/* ==========================================================================
   생성형 AI로 달라진 CEO의 하루 - 좌측 사이드바 & 프리미엄 시네마틱 스타일
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;700;900&family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap');

:root {
  /* 색상 토큰 (Cinematic Luxury Dark Theme) */
  --bg-primary: #0a0d14;
  --bg-secondary: #101522;
  --bg-tertiary: #161d2f;
  --bg-sidebar: rgba(12, 16, 26, 0.95);
  --bg-card: rgba(22, 29, 47, 0.7);
  --bg-card-hover: rgba(30, 41, 67, 0.85);

  --accent-gold: #e5b958;
  --accent-gold-glow: rgba(229, 185, 88, 0.25);
  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.2);
  --accent-purple: #a855f7;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-gold: #fcd34d;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(229, 185, 88, 0.35);
  --border-cyan: rgba(56, 189, 248, 0.35);

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.7);
  --shadow-gold: 0 0 25px var(--accent-gold-glow);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --sidebar-width: 280px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   라이트 테마 토큰 (Cinematic Luxury Light Theme)
   ========================================================================== */
[data-theme="light"], body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #edf2f7;
  --bg-tertiary: #e2e8f0;
  --bg-sidebar: rgba(255, 255, 255, 0.96);
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;

  --accent-gold: #b48318;
  --accent-gold-glow: rgba(180, 131, 24, 0.2);
  --accent-cyan: #0284c7;
  --accent-cyan-glow: rgba(2, 132, 199, 0.2);
  --accent-purple: #7e22ce;

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-gold: #92400e;

  --border-subtle: rgba(15, 23, 42, 0.1);
  --border-highlight: rgba(180, 131, 24, 0.45);
  --border-cyan: rgba(2, 132, 199, 0.35);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 6px 16px -2px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 30px -4px rgba(0, 0, 0, 0.12);
  --shadow-gold: 0 0 20px rgba(180, 131, 24, 0.15);
}

body.light-theme {
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(2, 132, 199, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(180, 131, 24, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(126, 34, 206, 0.04) 0%, transparent 50%);
  color: #0f172a;
}

/* 1. 사이드바 라이트 모드 스타일 */
body.light-theme .sidebar {
  background: var(--bg-sidebar);
  border-right-color: var(--border-subtle);
}

body.light-theme .brand-title {
  background: linear-gradient(to right, #0f172a, #334155);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.light-theme .sidebar-project-box {
  background: #f1f5f9;
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: var(--shadow-sm);
}

body.light-theme .sidebar-project-title {
  color: #0f172a;
  background: linear-gradient(135deg, #0f172a 40%, var(--accent-gold) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.light-theme .sidebar-project-desc {
  color: #475569;
}

body.light-theme .sidebar-badge {
  background: rgba(180, 131, 24, 0.12);
  border-color: rgba(180, 131, 24, 0.35);
  color: #92400e;
}

body.light-theme .mini-stat-item {
  background: #e2e8f0;
  color: #334155;
}

body.light-theme .mini-stat-item strong {
  color: #92400e;
}

body.light-theme .sidebar-menu-title {
  color: #64748b;
}

body.light-theme .sidebar-link {
  color: #334155;
}

body.light-theme .sidebar-link:hover {
  background: #f1f5f9;
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .sidebar-link .step-num {
  background: #e2e8f0;
  color: #475569;
}

body.light-theme .sidebar-link.active {
  background: rgba(180, 131, 24, 0.14);
  color: #92400e;
  border-color: rgba(180, 131, 24, 0.45);
  box-shadow: 0 0 12px rgba(180, 131, 24, 0.12);
}

body.light-theme .sidebar-link.active .step-num {
  background: var(--accent-gold);
  color: #ffffff;
}

body.light-theme .sidebar-footer {
  border-top-color: var(--border-subtle);
  color: #64748b;
}

body.light-theme .sidebar-footer .status-indicator {
  color: #0284c7;
}

body.light-theme .theme-toggle-btn {
  background: #f1f5f9;
  border-color: rgba(15, 23, 42, 0.1);
  color: #1e293b;
}

body.light-theme .theme-toggle-btn:hover {
  background: #ffffff;
  border-color: var(--accent-gold);
  color: #92400e;
}

/* 2. 섹션 헤더 & 필터 바 */
body.light-theme .section-title {
  color: #0f172a;
}

body.light-theme .section-desc {
  color: #475569;
}

body.light-theme .section-number-badge {
  color: #92400e;
  background: rgba(180, 131, 24, 0.1);
  border-color: rgba(180, 131, 24, 0.35);
}

body.light-theme .filter-chip {
  background: #ffffff;
  color: #334155;
  border-color: rgba(15, 23, 42, 0.12);
}

body.light-theme .filter-chip:hover,
body.light-theme .filter-chip.active {
  background: #ffffff;
  color: #92400e;
  border-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(180, 131, 24, 0.18);
}

body.light-theme .toggle-view-btn {
  background: #ffffff;
  color: #92400e;
  border-color: rgba(180, 131, 24, 0.4);
}

body.light-theme .toggle-view-btn:hover {
  background: #f8fafc;
  box-shadow: 0 2px 8px rgba(180, 131, 24, 0.2);
}

body.light-theme .toggle-view-btn.active {
  background: var(--accent-gold);
  color: #ffffff;
}

/* 3. 시나리오 기획안 라이트 모드 스타일 */
body.light-theme .scenario-card {
  background: var(--bg-card);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

body.light-theme .scenario-card:hover {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md);
}

body.light-theme .scenario-card.full-span {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-color: var(--border-highlight);
}

body.light-theme .scenario-title {
  color: #0f172a;
}

body.light-theme .scenario-badge {
  background: var(--accent-gold);
  color: #ffffff;
}

body.light-theme .scenario-badge.final {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-cyan));
  color: #ffffff;
}

body.light-theme .scenario-time-tag {
  color: #0369a1;
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.3);
}

body.light-theme .scenario-body {
  color: #1e293b;
}

body.light-theme .scenario-body p {
  color: #1e293b;
}

body.light-theme .scenario-spec-box {
  background: #f1f5f9;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .scenario-spec-label {
  color: #0369a1;
}

body.light-theme .scenario-spec-value {
  color: #1e293b;
}

body.light-theme .concept-item {
  background: #f1f5f9;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .concept-item strong {
  color: #92400e;
}

body.light-theme .concept-item span {
  color: #1e293b;
}

body.light-theme .scenario-ending-box {
  background: linear-gradient(135deg, rgba(180, 131, 24, 0.12), rgba(2, 132, 199, 0.08));
  border-color: rgba(180, 131, 24, 0.4);
}

body.light-theme .ending-copy-main {
  color: #78350f;
}

body.light-theme .ending-copy-sub {
  color: #0f172a;
}

/* 4. 에셋 라이브러리 라이트 모드 스타일 */
body.light-theme .asset-category-group {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

body.light-theme .asset-category-title {
  color: #0f172a;
}

body.light-theme .asset-category-count {
  color: #475569;
  background: #e2e8f0;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .asset-category-badge.character {
  background: var(--accent-gold);
  color: #ffffff;
}

body.light-theme .asset-category-badge.location {
  background: var(--accent-cyan);
  color: #ffffff;
}

body.light-theme .asset-category-badge.prop {
  background: var(--accent-purple);
  color: #ffffff;
}

body.light-theme .asset-card {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

body.light-theme .asset-badge {
  background: rgba(255, 255, 255, 0.94);
  color: #0284c7;
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body.light-theme .asset-name {
  color: #0f172a;
}

body.light-theme .asset-desc {
  color: #334155;
}

/* 5. 스토리보드 콘티 라이트 모드 스타일 */
body.light-theme .scene-group {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

body.light-theme .scene-group-badge {
  background: var(--accent-gold);
  color: #ffffff;
}

body.light-theme .scene-group-title {
  color: #0f172a;
}

body.light-theme .scene-clip-badge {
  color: #0369a1;
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.3);
}

body.light-theme .scene-shot-count {
  color: #475569;
  background: #e2e8f0;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .shot-card {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

body.light-theme .shot-card:hover {
  background: #ffffff;
  border-color: var(--accent-gold);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.12);
}

body.light-theme .shot-overlay-badge {
  background: rgba(255, 255, 255, 0.94);
  color: #92400e;
  border-color: rgba(180, 131, 24, 0.4);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body.light-theme .shot-title {
  color: #0f172a;
}

body.light-theme .shot-desc {
  color: #334155;
}

body.light-theme .asset-tag {
  background: rgba(2, 132, 199, 0.08);
  color: #0369a1;
  border-color: rgba(2, 132, 199, 0.25);
}

body.light-theme .asset-tag.character {
  background: rgba(180, 131, 24, 0.1);
  color: #92400e;
  border-color: rgba(180, 131, 24, 0.3);
}

body.light-theme .asset-tag.prop {
  background: rgba(126, 34, 206, 0.08);
  color: #7e22ce;
  border-color: rgba(126, 34, 206, 0.25);
}

body.light-theme .shot-meta-rows {
  border-top-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .meta-row {
  color: #64748b;
}

body.light-theme .meta-icon {
  color: #0284c7;
}

body.light-theme .meta-text {
  color: #334155;
}

/* 6. 모달 팝업 라이트 모드 스타일 */
body.light-theme .modal-overlay {
  background: rgba(15, 23, 42, 0.65);
}

body.light-theme .modal-card {
  background: #ffffff;
  border-color: rgba(180, 131, 24, 0.4);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.15);
}

body.light-theme .modal-close-btn {
  background: #f1f5f9;
  color: #475569;
  border-color: rgba(15, 23, 42, 0.1);
}

body.light-theme .modal-close-btn:hover {
  background: var(--accent-gold);
  color: #ffffff;
}

body.light-theme .modal-img-wrap {
  background: #e2e8f0;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .modal-linked-assets-box {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .modal-linked-assets-title {
  color: #92400e;
}

body.light-theme .modal-asset-item {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

body.light-theme .modal-asset-name {
  color: #0f172a;
}

body.light-theme .modal-asset-type {
  color: #64748b;
}

body.light-theme .modal-badge {
  background: rgba(180, 131, 24, 0.12);
  color: #92400e;
  border-color: rgba(180, 131, 24, 0.35);
}

body.light-theme .modal-title {
  color: #0f172a;
}

body.light-theme .modal-section-box {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .modal-box-title {
  color: #0369a1;
}

body.light-theme .modal-box-content {
  color: #1e293b;
}

body.light-theme .copy-btn {
  background: #ffffff;
  color: #475569;
  border-color: rgba(15, 23, 42, 0.15);
}

body.light-theme .copy-btn:hover {
  color: #92400e;
  border-color: var(--accent-gold);
}

/* 7. 영상제작 프롬프트 라이트 모드 스타일 */
body.light-theme .prompt-global-lang-toggle {
  background: #ffffff;
  border-color: rgba(180, 131, 24, 0.4);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

body.light-theme .global-lang-btn {
  color: #475569;
}

body.light-theme .global-lang-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
}

body.light-theme .global-lang-btn.active {
  background: var(--accent-gold);
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(180, 131, 24, 0.25);
}

body.light-theme .google-flow-link-btn {
  background: #ffffff;
  color: #0369a1;
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

body.light-theme .google-flow-link-btn:hover {
  background: #0284c7;
  color: #ffffff;
}

body.light-theme .toggle-view-btn.troubleshoot-btn {
  background: #ffffff;
  color: #0369a1;
  border-color: rgba(2, 132, 199, 0.35);
}

body.light-theme .toggle-view-btn.troubleshoot-btn:hover {
  background: #0284c7;
  color: #ffffff;
}

body.light-theme .prompt-scene-group {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

body.light-theme .prompt-scene-group:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.1);
}

body.light-theme .prompt-scene-group-header {
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .prompt-scene-group-badge {
  background: var(--accent-gold);
  color: #ffffff;
}

body.light-theme .prompt-scene-group-title {
  color: #0f172a;
}

body.light-theme .prompt-scene-group-meta {
  color: #475569;
  background: #e2e8f0;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

body.light-theme .prompt-clip-card {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
}

body.light-theme .prompt-clip-card:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.1);
}

body.light-theme .prompt-card-header {
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .prompt-clip-badge {
  background: var(--accent-gold);
  color: #ffffff;
}

body.light-theme .prompt-scene-tag {
  color: #0369a1;
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.25);
}

body.light-theme .prompt-card-title {
  color: #0f172a;
}

body.light-theme .prompt-spec-pill {
  color: #475569;
  background: #f1f5f9;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .google-flow-link-btn {
  background: rgba(2, 132, 199, 0.1);
  color: #0284c7;
  border-color: rgba(2, 132, 199, 0.35);
}

body.light-theme .google-flow-link-btn:hover {
  background: #0284c7;
  color: #ffffff;
}

body.light-theme .clip-copy-btn {
  background: #f1f5f9;
  color: #92400e;
  border-color: rgba(180, 131, 24, 0.4);
}

body.light-theme .clip-copy-btn:hover {
  background: var(--accent-gold);
  color: #ffffff;
}

body.light-theme .clip-copy-btn.copied {
  background: #16a34a;
  color: #ffffff;
  border-color: #16a34a;
}

body.light-theme .clip-direct-copy-btn {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

body.light-theme .clip-direct-copy-btn:hover {
  background: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
  box-shadow: 0 4px 14px rgba(109, 40, 217, 0.4);
}

body.light-theme .clip-direct-copy-btn.copied {
  background: #16a34a !important;
  color: #ffffff !important;
  border-color: #16a34a !important;
}

body.light-theme .direct-copy-all-btn {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

body.light-theme .direct-copy-all-btn:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #6d28d9 100%);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
}

body.light-theme .direct-copy-all-btn.copied {
  background: #16a34a !important;
  color: #ffffff !important;
  border-color: #16a34a !important;
}

body.light-theme .flow-generate-btn {
  background: rgba(2, 132, 199, 0.1);
  color: #0369a1;
  border-color: rgba(2, 132, 199, 0.3);
}

body.light-theme .flow-generate-btn:hover {
  background: #0284c7;
  color: #ffffff;
}

body.light-theme .flow-generate-btn.copied {
  background: #16a34a;
  color: #ffffff;
  border-color: #16a34a;
}

body.light-theme .toast-notification {
  background: #ffffff;
  color: #0f172a;
  border-color: rgba(180, 131, 24, 0.45);
  box-shadow: 0 10px 30px -4px rgba(0, 0, 0, 0.15);
}

body.light-theme .toast-notification.success {
  border-color: #16a34a;
}

body.light-theme .prompt-model-indicator {
  background: rgba(255, 255, 255, 0.94);
  color: #92400e;
  border-color: rgba(180, 131, 24, 0.4);
}

body.light-theme .prompt-meta-box {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .prompt-meta-item strong {
  color: #0369a1;
}

body.light-theme .prompt-meta-item span {
  color: #334155;
}

body.light-theme .prompt-code-header {
  background: #f1f5f9;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .prompt-code-title {
  color: #0f172a;
}

body.light-theme .prompt-char-count {
  color: #64748b;
  background: #e2e8f0;
}

body.light-theme .prompt-code-box {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .prompt-text-display {
  color: #1e293b;
}

body.light-theme .footer {
  border-top-color: rgba(15, 23, 42, 0.08);
  color: #64748b;
}

/* 기본 리셋 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', 'Noto Sans KR', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(56, 189, 248, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(229, 185, 88, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(168, 85, 247, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
  display: flex;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* 스크롤바 (초슬림 & 미니멀) */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* ==========================================================================
   좌측 고정 사이드바 (Left Navigation Sidebar)
   ========================================================================== */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--bg-sidebar);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  padding: 1.25rem 1.1rem;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  box-sizing: border-box;
  padding: 0.4rem 0.1rem;
  margin-bottom: 0.95rem;
}

.brand-icon {
  font-size: 1.65rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-cyan));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(229, 185, 88, 0.4));
  flex-shrink: 0;
}

.brand-title {
  font-family: 'Cinzel', serif;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-align: center;
  flex: 1;
  margin: 0 0.4rem;
  white-space: nowrap;
  background: linear-gradient(to right, #ffffff, #e2e8f0, var(--text-secondary));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 사이드바 프로젝트 헤더 (메뉴 상단 공통 정보) */
.sidebar-project-box {
  background: rgba(22, 29, 47, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.8rem;
  margin-bottom: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.sidebar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.5rem;
  background: rgba(229, 185, 88, 0.12);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-full);
  color: var(--accent-gold);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  width: fit-content;
}

.sidebar-project-title {
  font-family: 'Cinzel', 'Noto Sans KR', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.3px;
  color: #ffffff;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-gold) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0.2rem 0 0.1rem;
}

.sidebar-project-desc {
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.sidebar-mini-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem;
  margin-top: 0.2rem;
  padding-top: 0.45rem;
  border-top: 1px solid var(--border-subtle);
}

.mini-stat-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-tertiary);
  padding: 0.25rem 0.45rem;
  border-radius: 4px;
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.mini-stat-item strong {
  color: var(--accent-gold);
  font-family: 'Cinzel', sans-serif;
  font-size: 0.78rem;
}

/* 메뉴 리스트 */
.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sidebar-menu-title {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
  padding-left: 0.3rem;
  font-weight: 700;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: var(--transition-fast);
  width: 100%;
  text-align: left;
}

.sidebar-link .step-num {
  font-family: 'Cinzel', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-link:hover {
  color: var(--text-primary);
  background: var(--bg-card);
  border-color: rgba(255, 255, 255, 0.1);
}

.sidebar-link.active {
  color: var(--accent-gold);
  background: rgba(229, 185, 88, 0.12);
  border-color: var(--border-highlight);
  box-shadow: 0 0 15px rgba(229, 185, 88, 0.15);
}

.sidebar-link.active .step-num {
  background: var(--accent-gold);
  color: #000;
}

/* 사이드바 하단 정보 */
.sidebar-footer {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.68rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

/* 프레임 최하단 테마 토글 버튼 (라이트 / 다크 모드) */
.theme-toggle-wrap {
  margin-top: 0.6rem;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.45rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  color: var(--accent-gold);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.theme-icon {
  font-size: 0.95rem;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-toggle-btn:hover .theme-icon {
  transform: rotate(20deg) scale(1.15);
}

.sidebar-footer .status-indicator {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* ==========================================================================
   우측 메인 레이아웃 (Main Content Area)
   ========================================================================== */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
  padding: 1.25rem 1.85rem 2rem;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
}

/* 페이지 단위 뷰 스타일 */
.page-view {
  display: none;
  padding-top: 0;
  margin-bottom: 0.5rem;
}

.page-view.active-page {
  display: block;
  animation: pageFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-header {
  margin-bottom: 0.75rem;
}

.section-number-badge {
  display: inline-block;
  font-family: 'Cinzel', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent-gold);
  background: rgba(229, 185, 88, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-highlight);
  margin-bottom: 0.25rem;
}

.section-title {
  font-size: 1.35rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.82rem;
  margin-top: 0.2rem;
}

/* ==========================================================================
   1. 전체 시나리오 기획안 (2열 카드 그리드 & 고가독성 타이포그래피)
   ========================================================================== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.scenario-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: var(--transition-normal);
}

.scenario-card:hover {
  border-color: rgba(229, 185, 88, 0.3);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  transform: translateY(-2px);
}

/* 기획 콘셉트 카드 (전체 너비 2열 스팬 or 강조 카드) */
.scenario-card.full-span {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(22, 29, 47, 0.85), rgba(16, 21, 34, 0.75));
  border-color: var(--border-highlight);
}

.scenario-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.4rem;
}

.scenario-header-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.scenario-badge {
  font-family: 'Cinzel', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: #000;
  background: var(--accent-gold);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.scenario-badge.final {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-cyan));
}

.scenario-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.scenario-time-tag {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--border-cyan);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

.scenario-body {
  font-size: 0.84rem;
  line-height: 1.48;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.scenario-body p {
  margin: 0;
}

/* 연출 디렉션 박스 (카메라, 분위기, 사운드) */
.scenario-spec-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0.25rem;
}

.scenario-spec-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.scenario-spec-value {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  white-space: pre-line;
}

/* 엔딩 카피 강조 박스 */
.scenario-ending-box {
  background: linear-gradient(135deg, rgba(229, 185, 88, 0.15), rgba(56, 189, 248, 0.1));
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.85rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 0.25rem;
}

.ending-copy-main {
  font-family: 'Cinzel', 'Noto Sans KR', serif;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-gold);
  line-height: 1.4;
}

.ending-copy-sub {
  font-size: 0.82rem;
  color: var(--text-primary);
  line-height: 1.4;
}

/* 기획 콘셉트 스펙 리스트 */
.concept-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.4rem;
  margin-top: 0.25rem;
}

/* 6개 항목 3열 2줄 레이아웃 (3 Columns × 2 Rows) */
.concept-spec-grid.grid-3col {
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}

@media (max-width: 992px) {
  .concept-spec-grid.grid-3col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .concept-spec-grid.grid-3col {
    grid-template-columns: 1fr;
  }
}

.concept-item {
  background: var(--bg-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.concept-item strong {
  color: var(--accent-gold);
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
}

.concept-item span {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.8rem;
}

/* 필터 바 */
.filter-bar {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding: 0 0 0.3rem;
  margin-bottom: 0;
}

.filter-chip {
  white-space: nowrap;
  padding: 0.35rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.filter-chip:hover, .filter-chip.active {
  background: var(--bg-tertiary);
  color: var(--accent-gold);
  border-color: var(--border-highlight);
  box-shadow: 0 0 12px rgba(229, 185, 88, 0.15);
}

/* ==========================================================================
   2. 에셋 라이브러리 (Characters, Locations, Props 카테고리별 그룹핑)
   ========================================================================== */
.asset-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.asset-category-group {
  background: rgba(16, 21, 34, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  backdrop-filter: blur(8px);
  transition: var(--transition-normal);
}

.asset-category-group:hover {
  border-color: rgba(56, 189, 248, 0.25);
  box-shadow: 0 6px 20px -6px rgba(0, 0, 0, 0.5);
}

.asset-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.asset-category-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.asset-category-badge {
  font-family: 'Cinzel', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  color: #000;
  background: var(--accent-cyan);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.asset-category-badge.character {
  background: var(--accent-gold);
}

.asset-category-badge.prop {
  background: var(--accent-purple);
  color: #fff;
}

.asset-category-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.asset-category-count {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.asset-category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.6rem;
}

.asset-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.asset-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
}

.asset-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--bg-primary);
  overflow: hidden;
  position: relative;
}

.asset-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.asset-card:hover .asset-img {
  transform: scale(1.05);
}

.asset-badge {
  position: absolute;
  top: 0.4rem;
  left: 0.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  min-height: 20px;
  max-height: 20px;
  line-height: 1;
  box-sizing: border-box;
  padding: 0 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(10, 13, 20, 0.85);
  color: var(--accent-cyan);
  border: 1px solid var(--border-cyan);
  backdrop-filter: blur(4px);
  white-space: nowrap;
  flex-shrink: 0;
}

.asset-body {
  padding: 0.45rem 0.6rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  transition: var(--transition-normal);
}

.asset-name {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  transition: var(--transition-fast);
}

/* ==========================================================================
   에셋 라이브러리 [기본 보기 상태] vs [자세히 보기 상태] 토글 제어
   ========================================================================== */
/* 기본 보기 (Compact View): 설명 숨김 및 이미지 중심 컴팩트 뷰 */
.asset-container:not(.detail-mode) .asset-desc {
  display: none !important;
}

.asset-container:not(.detail-mode) .asset-body {
  padding: 0.4rem 0.5rem;
}

.asset-container:not(.detail-mode) .asset-name {
  margin-bottom: 0;
  font-size: 0.82rem;
  text-align: center;
}

/* 자세히 보기 (Detail View): 세부 설명 표시 및 카드 확장 */
.asset-container.detail-mode .asset-body {
  padding: 0.75rem 0.85rem;
}

.asset-container.detail-mode .asset-name {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  text-align: left;
}

.asset-container.detail-mode .asset-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   3. 스토리보드 콘티 (씬별 그룹핑 & 에셋 반영)
   ========================================================================== */
.storyboard-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.scene-group {
  background: rgba(16, 21, 34, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  backdrop-filter: blur(8px);
  transition: var(--transition-normal);
}

.scene-group:hover {
  border-color: rgba(229, 185, 88, 0.25);
  box-shadow: 0 6px 20px -6px rgba(0, 0, 0, 0.5);
}

.scene-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.scene-group-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.scene-group-badge {
  font-family: 'Cinzel', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  color: #000;
  background: var(--accent-gold);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.scene-group-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.scene-group-meta-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.scene-clip-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--border-cyan);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.scene-shot-count {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.scene-shots-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
}

/* 스토리보드 뷰 모드 토글 버튼 */
.view-control-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.65rem;
}

.toggle-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-full);
  color: var(--accent-gold);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 0 12px rgba(229, 185, 88, 0.1);
}

.toggle-view-btn:hover {
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
}

.toggle-view-btn.active {
  background: var(--accent-gold);
  color: #000;
}

.toggle-view-btn.active .btn-icon {
  filter: brightness(0);
}

/* 샷 카드 */
.shot-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  position: relative;
  cursor: pointer;
}

.shot-card:hover {
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
}

.shot-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-primary);
  overflow: hidden;
}

.shot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.shot-card:hover .shot-img {
  transform: scale(1.05);
}

.shot-overlay-badge {
  position: absolute;
  top: 0.4rem;
  left: 0.4rem;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.5px;
}

.shot-body {
  padding: 0.45rem 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.shot-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

/* ==========================================================================
   [기본 보기 상태] vs [자세히 보기 상태] 토글 제어
   ========================================================================== */
/* 기본 보기 (Compact View): 설명, 에셋 태그, 메타데이터 숨김 */
.storyboard-container:not(.detail-mode) .shot-desc,
.storyboard-container:not(.detail-mode) .shot-asset-tags,
.storyboard-container:not(.detail-mode) .shot-meta-rows {
  display: none !important;
}

/* 자세히 보기 (Detail View): 세부 내용 모두 표시 */
.storyboard-container.detail-mode .shot-body {
  padding: 0.85rem 0.95rem;
  gap: 0.5rem;
}

.storyboard-container.detail-mode .shot-title {
  font-size: 0.98rem;
}

.storyboard-container.detail-mode .shot-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 샷 카드 내 연결된 에셋 태그 (캐릭터 & 소품) */
.shot-asset-tags {
  display: flex;
  flex-wrap: wrap;
  row-gap: 0.25rem;
  column-gap: 0.35rem;
  margin-top: 0.2rem;
  align-items: center;
  align-content: flex-start;
  line-height: 1;
}

.asset-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  min-height: 22px;
  max-height: 22px;
  line-height: 1;
  box-sizing: border-box;
  gap: 0.25rem;
  font-size: 0.68rem;
  padding: 0 0.45rem;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  border: 1px solid var(--border-cyan);
  white-space: nowrap;
  flex-shrink: 0;
  vertical-align: middle;
  margin: 0;
}

.asset-tag.character {
  background: rgba(229, 185, 88, 0.1);
  color: var(--accent-gold);
  border-color: var(--border-highlight);
}

.asset-tag.prop {
  background: rgba(168, 85, 247, 0.1);
  color: var(--accent-purple);
  border-color: rgba(168, 85, 247, 0.3);
}

.shot-meta-rows {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
}

.meta-icon {
  color: var(--accent-cyan);
  font-size: 0.85rem;
}

.meta-text {
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   샷 상세 모달 팝업 & 에셋 쇼케이스
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  max-width: 1050px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  padding: 2.2rem;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
  z-index: 10;
}

.modal-close-btn:hover {
  background: var(--accent-gold);
  color: #000;
}

.modal-image-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border-subtle);
}

.modal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 모달 내 사용된 에셋 리스트 */
.modal-linked-assets-box {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 1rem;
  border: 1px solid var(--border-subtle);
}

.modal-linked-assets-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.modal-linked-assets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.75rem;
}

.modal-asset-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-secondary);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.modal-asset-thumb {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  object-fit: cover;
  background: #000;
}

.modal-asset-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-asset-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-asset-type {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.modal-info-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  background: rgba(229, 185, 88, 0.15);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-sm);
  color: var(--accent-gold);
  font-size: 0.8rem;
  font-weight: 600;
  width: fit-content;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0.3rem;
}

.modal-section-box {
  background: var(--bg-tertiary);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.modal-box-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.copy-btn {
  font-size: 0.7rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
}

.copy-btn:hover {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

.modal-box-content {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   4. 클립별 영상제작 프롬프트 (10 Clips) - Seedance 2.0 & Omni Flash
   ========================================================================== */
.prompt-control-panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 0.85rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pill-group {
  display: inline-flex;
  background: var(--bg-tertiary);
  padding: 0.2rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  gap: 0.2rem;
}

.pill-btn {
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.pill-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.pill-btn.active {
  background: var(--accent-gold);
  color: #000000;
  border-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(229, 185, 88, 0.3);
}

.prompt-action-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  flex-wrap: wrap;
}

/* 글로벌 프롬프트 언어 전환 세그먼트 버튼 */
.prompt-global-lang-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-full);
  padding: 2px;
  box-shadow: 0 0 10px rgba(229, 185, 88, 0.08);
}

.global-lang-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.global-lang-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.global-lang-btn.active {
  background: var(--accent-gold);
  color: #000000;
  font-weight: 700;
  box-shadow: 0 0 10px rgba(229, 185, 88, 0.35);
}

/* 영상 오류 해결 버튼 특화 */
.toggle-view-btn.troubleshoot-btn {
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.1);
}

.toggle-view-btn.troubleshoot-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

/* Google Flow 바로가기 링크 버튼 */
.google-flow-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.1);
}

.google-flow-link-btn:hover {
  background: var(--accent-cyan);
  color: #000000;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  transform: translateY(-1px);
}

.copy-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-full);
  color: var(--accent-gold);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.copy-all-btn:hover {
  background: var(--accent-gold);
  color: #000;
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
}

.copy-all-btn.copied {
  background: #22c55e !important;
  color: #fff !important;
  border-color: #22c55e !important;
}

.prompt-filter-bar {
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
  padding-bottom: 0.1rem;
}

/* 클립 프롬프트 그리드 & 씬별 2열 그룹 */
.prompt-clips-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.prompt-scene-group {
  background: rgba(16, 21, 34, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.05rem 1.25rem;
  backdrop-filter: blur(8px);
  transition: var(--transition-normal);
}

.prompt-scene-group:hover {
  border-color: rgba(56, 189, 248, 0.25);
  box-shadow: 0 6px 20px -6px rgba(0, 0, 0, 0.5);
}

.prompt-scene-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.95rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.prompt-scene-group-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.prompt-scene-group-badge {
  font-family: 'Cinzel', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  color: #000;
  background: var(--accent-cyan);
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.prompt-scene-group-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.prompt-scene-group-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* 씬별 2열 카드 그리드 */
.prompt-scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
}

.prompt-clip-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.95rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  min-width: 0;
}

.prompt-clip-card:hover {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
}

.prompt-clip-card.single-clip {
  grid-column: 1 / -1;
}

.prompt-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
}

.prompt-card-header-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.prompt-clip-badge {
  font-family: 'Cinzel', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  color: #000;
  background: var(--accent-gold);
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.prompt-scene-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--border-cyan);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

.prompt-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.prompt-card-header-right {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-left: auto;
}

.prompt-spec-pill {
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.clip-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-sm);
  color: var(--accent-gold);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.clip-copy-btn:hover {
  background: var(--accent-gold);
  color: #000000;
  box-shadow: 0 0 10px rgba(229, 185, 88, 0.3);
}

.clip-copy-btn.copied {
  background: #22c55e !important;
  color: #ffffff !important;
  border-color: #22c55e !important;
}

/* AI 생성기 전용 다이렉트 복사 버튼 (개별 카드) */
.clip-direct-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.35);
  transition: var(--transition-fast);
}

.clip-direct-copy-btn:hover {
  background: linear-gradient(135deg, #4338ca 0%, #6d28d9 50%, #9333ea 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(168, 85, 247, 0.55);
}

.clip-direct-copy-btn.copied {
  background: #22c55e !important;
  color: #ffffff !important;
  border-color: #22c55e !important;
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.4) !important;
}

/* 상단 툴바 전체 AI 다이렉트 복사 버튼 */
.direct-copy-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35);
  transition: var(--transition-fast);
}

.direct-copy-all-btn:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #6d28d9 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.5);
}

.direct-copy-all-btn.copied {
  background: #22c55e !important;
  color: #ffffff !important;
  border-color: #22c55e !important;
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.4) !important;
}

/* 한국어 수정사항 영문 자동 동기화 뱃지 */
.prompt-synced-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.5rem;
  background: rgba(59, 130, 246, 0.18);
  border: 1px solid rgba(96, 165, 250, 0.45);
  border-radius: var(--radius-sm);
  color: #60a5fa;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  animation: pulseSync 2s infinite ease-in-out;
}

@keyframes pulseSync {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 1; border-color: rgba(96, 165, 250, 0.8); }
}

body.light-theme .prompt-synced-badge {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.3);
  color: #1d4ed8;
}

.flow-generate-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.25), rgba(56, 189, 248, 0.15));
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.flow-generate-btn:hover {
  background: var(--accent-cyan);
  color: #000000;
  box-shadow: 0 0 12px var(--accent-cyan-glow);
  transform: translateY(-1px);
}

.flow-generate-btn.copied {
  background: #22c55e !important;
  color: #ffffff !important;
  border-color: #22c55e !important;
}

/* 토스트 알림 메시지 */
.toast-notification {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: rgba(16, 21, 34, 0.95);
  backdrop-filter: blur(16px);
  color: var(--text-primary);
  border: 1px solid var(--border-highlight);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 3000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast-notification.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.toast-notification.success {
  border-color: #22c55e;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.25);
}

/* 카드 바디 (2열 구성: 2열 그리드 내 상하 분할 / 단일 전폭일 때 좌우 2열) */
.prompt-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.prompt-clip-card.single-clip .prompt-card-body {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.1rem;
}

.prompt-preview-col {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.75rem;
  align-items: start;
}

.prompt-clip-card.single-clip .prompt-preview-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.prompt-thumb-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
}

.prompt-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prompt-model-indicator {
  position: absolute;
  bottom: 0.35rem;
  left: 0.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  min-height: 20px;
  max-height: 20px;
  line-height: 1;
  box-sizing: border-box;
  padding: 0 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(10, 13, 20, 0.88);
  backdrop-filter: blur(4px);
  color: var(--accent-gold);
  border: 1px solid var(--border-highlight);
  white-space: nowrap;
}

.prompt-shot-indicator {
  position: absolute;
  top: 0.35rem;
  left: 0.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  line-height: 1;
  box-sizing: border-box;
  padding: 0 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  font-weight: 800;
  background: rgba(225, 29, 72, 0.9);
  backdrop-filter: blur(4px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.45);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.prompt-asset-tags {
  display: flex;
  flex-wrap: wrap;
  row-gap: 0.35rem;
  column-gap: 0.35rem;
  align-items: flex-start;
  align-content: flex-start;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.prompt-asset-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  box-sizing: border-box;
  max-width: 100%;
  word-break: keep-all;
  overflow-wrap: break-word;
  white-space: normal;
  line-height: 1.35;
  transition: all 0.2s ease;
}

/* 1. 콘티 샷 (Conti Shot) - 배지 스타일 제거, 이모지 유지 및 일반 본문 텍스트 스타일 */
.prompt-asset-tag.conti {
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-break: keep-all;
  overflow-wrap: break-word;
  line-height: 1.5;
  padding: 0.2rem 0;
  border-radius: 0;
  margin-bottom: 0.35rem;
  background: transparent !important;
  color: var(--text-primary) !important;
  border: none !important;
  font-size: 0.8rem;
  font-weight: 500;
}

/* 2. 캐릭터 (Character) - 시안 블루 톤 */
.prompt-asset-tag.character {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.25);
  background: rgba(56, 189, 248, 0.08);
}

/* 3. 장소 (Location) 및 소품 (Prop) - 기본 에셋 스타일 */
.prompt-asset-tag.location,
.prompt-asset-tag.prop {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* 라이트 모드 배지 색상 */
body.light-theme .prompt-asset-tag {
  background: #f1f5f9;
  border-color: rgba(15, 23, 42, 0.1);
  color: #475569;
}

body.light-theme .prompt-asset-tag.conti {
  background: transparent !important;
  color: var(--text-primary) !important;
  border: none !important;
}

body.light-theme .prompt-asset-tag.character {
  background: #e0f2fe;
  color: #0284c7;
  border-color: rgba(2, 132, 199, 0.3);
}

body.light-theme .prompt-asset-tag.location,
body.light-theme .prompt-asset-tag.prop {
  background: #f1f5f9;
  color: #475569;
  border-color: rgba(15, 23, 42, 0.1);
}

.toggle-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.85rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-full);
  color: var(--accent-gold);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.toggle-view-btn:hover,
.toggle-view-btn.active {
  background: var(--accent-gold);
  color: #000000;
  box-shadow: 0 0 12px rgba(229, 185, 88, 0.3);
}

/* 기본 상태: 카메라 & 사운드 메타 박스 숨김 */
.prompt-meta-box {
  display: none;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.74rem;
  animation: fadeIn 0.25s ease;
}

/* 자세히 보기 모드 활성화 시 표시 */
.prompt-clips-grid.detail-mode .prompt-meta-box {
  display: flex;
}

.prompt-meta-item strong {
  color: var(--accent-cyan);
  font-weight: 600;
}

.prompt-meta-item span {
  color: var(--text-secondary);
}

/* 기본 보기 상태: 썸네일과 에셋 태그만 가로로 콤팩트 배치 */
.prompt-preview-col {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.prompt-preview-col .prompt-thumb-wrap {
  width: 140px;
  min-width: 140px;
  max-width: 140px;
  flex-shrink: 0;
}

.prompt-preview-col .prompt-asset-tags {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  align-self: flex-start;
  box-sizing: border-box;
}

/* 자세히 보기 모드일 때: 썸네일 + 메타 정보 2단 그리드 */
.prompt-clips-grid.detail-mode .prompt-preview-col {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.75rem;
  align-items: start;
}

.prompt-clips-grid.detail-mode .prompt-preview-col .prompt-thumb-wrap {
  width: 100%;
  min-width: 0;
}

/* 단일 전폭 카드 (single-clip) */
.prompt-clip-card.single-clip .prompt-preview-col {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
}

.prompt-clip-card.single-clip .prompt-preview-col .prompt-thumb-wrap {
  width: 100%;
  min-width: 0;
}

.prompt-clips-grid.detail-mode .prompt-clip-card.single-clip .prompt-preview-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 프롬프트 코드 박스 영역 */
.prompt-code-col {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.prompt-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0.65rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border: 1px solid var(--border-subtle);
  border-bottom: none;
}

.prompt-code-title {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.prompt-char-count {
  font-size: 0.68rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.25);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.prompt-code-box {
  position: relative;
  background: rgba(10, 13, 20, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 0.85rem 1rem;
  overflow-x: auto;
  flex: 1;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.prompt-code-box.collapsed {
  max-height: 140px;
  overflow: hidden;
}

.prompt-code-box.expanded {
  max-height: 2500px;
  overflow: visible;
}

.prompt-fade-overlay {
  display: none;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(10, 13, 20, 0.95));
  pointer-events: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.prompt-code-box.collapsed .prompt-fade-overlay {
  display: block;
}

body.light-theme .prompt-fade-overlay {
  background: linear-gradient(to bottom, transparent, rgba(248, 250, 252, 0.95));
}

.prompt-text-display {
  font-family: 'Outfit', 'Noto Sans KR', monospace, sans-serif;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  user-select: all;
}



/* 프롬프트 수정(편집) 컨트롤 & 텍스트에어리어 스타일 */
.clip-lang-toggle-group {
  display: inline-flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 1px;
  gap: 2px;
  margin-right: 0.35rem;
}

.clip-lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.2;
}

.clip-lang-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.clip-lang-btn.active {
  background: var(--accent-gold);
  color: #0b111e;
  font-weight: 700;
}

body.light-theme .clip-lang-toggle-group {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

body.light-theme .clip-lang-btn {
  color: #64748b;
}

body.light-theme .clip-lang-btn:hover {
  color: #1e293b;
  background: rgba(0, 0, 0, 0.05);
}

body.light-theme .clip-lang-btn.active {
  background: var(--accent-gold);
  color: #0b111e;
}

.prompt-code-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.prompt-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  height: 22px;
  padding: 0 0.45rem;
  font-size: 0.68rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
  line-height: 1;
}

.prompt-action-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.prompt-edit-btn {
  color: var(--accent-gold);
  border-color: rgba(229, 185, 88, 0.35);
}

.prompt-edit-btn:hover {
  background: rgba(229, 185, 88, 0.15);
  color: #ffffff;
  border-color: var(--accent-gold);
}

.prompt-save-btn {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}

.prompt-save-btn:hover {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
}

.prompt-cancel-btn {
  color: #94a3b8;
  border-color: rgba(148, 163, 184, 0.3);
}

.prompt-cancel-btn:hover {
  background: rgba(148, 163, 184, 0.15);
  color: #f1f5f9;
}

.prompt-reset-btn {
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.3);
}

.prompt-reset-btn:hover {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.prompt-edited-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 0.35rem;
  font-size: 0.62rem;
  font-weight: 700;
  border-radius: 3px;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  letter-spacing: 0.2px;
}

.prompt-edit-textarea {
  width: 100%;
  min-height: 220px;
  box-sizing: border-box;
  font-family: 'Outfit', 'Noto Sans KR', monospace, sans-serif;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--accent-gold);
  border-radius: 4px;
  padding: 0.65rem 0.75rem;
  resize: vertical;
  outline: none;
  box-shadow: 0 0 0 2px rgba(229, 185, 88, 0.2);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.prompt-edit-textarea:focus {
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
}

/* 라이트 테마 프롬프트 수정 스타일 */
body.light-theme .prompt-action-btn {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.15);
  color: #475569;
}

body.light-theme .prompt-action-btn:hover {
  background: #f8fafc;
  color: #0f172a;
}

body.light-theme .prompt-edit-btn {
  color: #b45309;
  border-color: rgba(180, 83, 9, 0.4);
}

body.light-theme .prompt-edit-btn:hover {
  background: #fef3c7;
  color: #92400e;
}

body.light-theme .prompt-save-btn {
  background: #dcfce7;
  color: #059669;
  border-color: rgba(5, 150, 105, 0.4);
}

body.light-theme .prompt-save-btn:hover {
  background: #10b981;
  color: #ffffff;
}

body.light-theme .prompt-edited-badge {
  background: #dcfce7;
  color: #059669;
  border-color: rgba(5, 150, 105, 0.3);
}

body.light-theme .prompt-edit-textarea {
  background: #ffffff;
  color: #0f172a;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px rgba(180, 131, 24, 0.15);
}

/* 프롬프트 데이터 백업 및 원본 파일 저장 툴바 */
.prompt-backup-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding: 0.8rem 1.15rem;
  background: rgba(30, 41, 59, 0.45);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.prompt-backup-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.prompt-backup-info .backup-icon {
  font-size: 1.05rem;
}

.prompt-backup-info strong {
  color: var(--accent-gold);
}

.prompt-backup-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.prompt-backup-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.42rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
  user-select: none;
}

.prompt-backup-btn.primary {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000000;
  border-color: #fbbf24;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.prompt-backup-btn.primary:hover {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.45);
  transform: translateY(-1px);
}

.prompt-backup-btn.secondary {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  border-color: rgba(56, 189, 248, 0.35);
}

.prompt-backup-btn.secondary:hover {
  background: rgba(56, 189, 248, 0.25);
  border-color: var(--accent-cyan);
  color: #ffffff;
  transform: translateY(-1px);
}

.prompt-backup-btn.subtle {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}

.prompt-backup-btn.subtle:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-highlight);
}

.prompt-backup-btn.reset {
  background: rgba(244, 63, 94, 0.08);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.25);
}

.prompt-backup-btn.reset:hover {
  background: rgba(244, 63, 94, 0.2);
  color: #f43f5e;
  border-color: #f43f5e;
}

/* 라이트 테마 대응 */
body.light-theme .prompt-backup-toolbar {
  background: #f8fafc;
  border-color: rgba(245, 158, 11, 0.35);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

body.light-theme .prompt-backup-btn.primary {
  background: linear-gradient(135deg, #d97706, #b45309);
  color: #ffffff;
  border-color: #b45309;
}

body.light-theme .prompt-backup-btn.secondary {
  background: rgba(2, 132, 199, 0.1);
  color: #0284c7;
  border-color: rgba(2, 132, 199, 0.3);
}

body.light-theme .prompt-backup-btn.subtle {
  background: #ffffff;
  color: #475569;
  border-color: rgba(15, 23, 42, 0.15);
}

body.light-theme .prompt-backup-btn.reset {
  background: #fff1f2;
  color: #e11d48;
  border-color: rgba(225, 29, 72, 0.3);
}

/* 푸터 */
.footer {
  text-align: center;
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* 반응형 */
@media (max-width: 1550px) {
  .asset-category-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1400px) {
  .scene-shots-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1200px) {
  .asset-category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .prompt-scene-grid {
    grid-template-columns: 1fr;
  }
  .prompt-clip-card.single-clip .prompt-card-body {
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 1100px) {
  .scene-shots-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .prompt-card-body {
    grid-template-columns: 1fr;
  }
  .prompt-preview-col {
    grid-template-columns: 1fr;
  }
  .sidebar {
    width: 220px;
    padding: 1.5rem 1rem;
  }
  .main-wrapper {
    margin-left: 220px;
    padding: 0 1.5rem 4rem;
  }
  .modal-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 850px) {
  .asset-category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    padding: 1rem 1.5rem;
  }
  .sidebar-menu {
    flex-direction: row;
    overflow-x: auto;
  }
  .main-wrapper {
    margin-left: 0;
    padding: 0 1rem 3rem;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-stats {
    gap: 1.5rem;
  }
  .scene-shots-grid,
  .asset-category-grid {
    grid-template-columns: 1fr;
  }
  .prompt-controls-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .copy-all-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   PAGE 05 - 클립 제작 결과 (YouTube 영상 쇼케이스 4열 그리드)
   ========================================================================== */
.video-results-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 1.25rem;
}

.video-results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md), 0 0 20px var(--accent-gold-glow);
}

.video-player-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.video-player-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-card-body {
  padding: 1rem 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.65rem;
}

.video-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.video-badge-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.video-scene-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--border-cyan);
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
}

.video-clip-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(229, 185, 88, 0.15);
  border: 1px solid var(--border-highlight);
  color: var(--accent-gold);
  letter-spacing: 0.5px;
}

.video-duration-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.video-card-title {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-primary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.7em;
}

.video-conti-tags,
.video-asset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.video-conti-tag {
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.45;
  padding: 0.15rem 0;
  border-radius: 0;
  background: transparent !important;
  border: none !important;
  color: var(--text-primary) !important;
  display: block;
  width: 100%;
  word-break: keep-all;
  overflow-wrap: break-word;
  white-space: normal;
}

.video-asset-tag {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.video-asset-tag.character {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.25);
  background: rgba(56, 189, 248, 0.08);
}



.video-scene-group {
  display: flex;
  flex-direction: column;
  background: rgba(16, 21, 34, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.15rem 1.15rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: var(--transition-normal);
  gap: 0.85rem;
}

.video-scene-group:hover {
  border-color: rgba(56, 189, 248, 0.25);
  box-shadow: 0 6px 20px -6px rgba(0, 0, 0, 0.5);
}

.video-scene-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.6rem;
}

.video-scene-group-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.video-scene-group-badge {
  font-family: 'Cinzel', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  color: #000;
  background: var(--accent-gold);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.video-scene-group-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.video-scene-group-meta-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

/* Light Theme overrides for Video Results */
body.light-theme .video-card {
  background: var(--bg-card);
  border-color: rgba(15, 23, 42, 0.1);
  box-shadow: var(--shadow-sm);
}
body.light-theme .video-card:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-md), 0 0 15px rgba(180, 131, 24, 0.15);
}
body.light-theme .video-card-title {
  color: #0f172a;
}
body.light-theme .video-duration-tag {
  background: #e2e8f0;
  color: #475569;
}
body.light-theme .video-asset-tag {
  background: #e2e8f0;
  color: #334155;
  border-color: rgba(15, 23, 42, 0.1);
}
body.light-theme .video-scene-group {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(15, 23, 42, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
body.light-theme .video-scene-group-header {
  border-bottom-color: rgba(15, 23, 42, 0.1);
}
body.light-theme .video-scene-group-title {
  color: #0f172a;
}

/* Responsive Grid for 4-Columns */
@media (max-width: 1440px) {
  .video-results-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 1080px) {
  .video-results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 680px) {
  .video-results-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   영상 오류 해결 버튼 & 팝업 모달 스타일 (Troubleshooting Modal)
   ========================================================================== */
.troubleshoot-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.12);
  color: #fcd34d;
  border: 1px solid rgba(245, 158, 11, 0.35);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.troubleshoot-btn:hover {
  background: rgba(245, 158, 11, 0.22);
  border-color: #fcd34d;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}

body.light-theme .troubleshoot-btn {
  background: #fef3c7;
  color: #b45309;
  border-color: #fcd34d;
}

body.light-theme .troubleshoot-btn:hover {
  background: #fde68a;
  color: #92400e;
  border-color: #f59e0b;
}

.troubleshoot-modal-card {
  display: flex !important;
  flex-direction: column;
  max-width: 1050px;
  width: 95%;
  max-height: 88vh;
  padding: 2.2rem;
  background: #0f1422;
  border: 1px solid rgba(245, 158, 11, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.85), 0 0 30px rgba(245, 158, 11, 0.15);
  overflow-y: auto;
  gap: 1.5rem;
}

body.light-theme .troubleshoot-modal-card {
  background: #ffffff;
  border-color: #fcd34d;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12), 0 0 20px rgba(245, 158, 11, 0.1);
}

.troubleshoot-header {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.troubleshoot-badge-wrap {
  display: flex;
  align-items: center;
}

.troubleshoot-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

body.light-theme .troubleshoot-badge {
  background: #fef3c7;
  color: #b45309;
  border-color: #fcd34d;
}

.troubleshoot-modal-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.troubleshoot-modal-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

.troubleshoot-modal-desc strong {
  color: #fcd34d;
}

body.light-theme .troubleshoot-modal-desc strong {
  color: #b45309;
}

.troubleshoot-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.troubleshoot-item-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: rgba(16, 21, 34, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.35rem;
  transition: var(--transition-fast);
}

.troubleshoot-item-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

body.light-theme .troubleshoot-item-card {
  background: #f8fafc;
  border-color: #e2e8f0;
}

body.light-theme .troubleshoot-item-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.troubleshoot-item-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.error-cat-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

body.light-theme .error-cat-badge {
  background: #e0f2fe;
  color: #0284c7;
  border-color: #bae6fd;
}

.troubleshoot-item-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.troubleshoot-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1.1rem;
}

@media (max-width: 860px) {
  .troubleshoot-grid-2col {
    grid-template-columns: 1fr;
  }
}

.troubleshoot-box {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  border-radius: var(--radius-sm);
  padding: 0.95rem 1.05rem;
}

.troubleshoot-box.problem-box {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

body.light-theme .troubleshoot-box.problem-box {
  background: #fff5f5;
  border-color: #fed7d7;
}

.troubleshoot-box.solution-box {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

body.light-theme .troubleshoot-box.solution-box {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.troubleshoot-box-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  padding-bottom: 0.35rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

body.light-theme .troubleshoot-box-header {
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

.troubleshoot-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.82rem;
  line-height: 1.48;
  color: var(--text-secondary);
}

.troubleshoot-list strong {
  color: var(--text-primary);
}

.troubleshoot-cause {
  margin-top: 0.25rem;
  padding: 0.35rem 0.55rem;
  background: rgba(0, 0, 0, 0.28);
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  color: #fca5a5;
  line-height: 1.4;
}

body.light-theme .troubleshoot-cause {
  background: #fee2e2;
  color: #b91c1c;
}

.solution-summary {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

.solution-summary code {
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: monospace;
}

body.light-theme .solution-summary code {
  background: #fef3c7;
  color: #b45309;
}

.code-snippet-wrap {
  display: flex;
  flex-direction: column;
  background: #080b12;
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: 0.3rem;
}

body.light-theme .code-snippet-wrap {
  background: #1e293b;
  border-color: #334155;
}

.code-snippet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0.65rem;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.72rem;
  color: #86efac;
  font-weight: 600;
}

.copy-snippet-btn {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #86efac;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-snippet-btn:hover {
  background: #10b981;
  color: #000000;
}

.code-snippet-content {
  margin: 0;
  padding: 0.65rem 0.8rem;
  font-size: 0.74rem;
  line-height: 1.48;
  color: #e2e8f0;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 180px;
  overflow-y: auto;
}

/* ==========================================================================
   [INTRO VIDEO] 풀스크린 인트로 비디오 오버레이 스타일 (원복 시 이 블록 삭제/주석 처리)
   ========================================================================== */
.intro-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background-color: #05070c;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.intro-overlay.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-video-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

.intro-video-container video,
.intro-video-container iframe,
.intro-youtube-player {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: none;
}

/* 상단 컨트롤 영역 */
.intro-controls {
  position: absolute;
  top: 2rem;
  right: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 20;
}

.intro-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: 'Outfit', 'Noto Sans KR', sans-serif;
  color: #f8fafc;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: all 0.25s ease;
}

.intro-btn:hover {
  background: rgba(229, 185, 88, 0.2);
  border-color: rgba(229, 185, 88, 0.6);
  color: #fcd34d;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(229, 185, 88, 0.25);
}

.intro-skip-btn {
  background: rgba(229, 185, 88, 0.25);
  border-color: rgba(229, 185, 88, 0.5);
  color: #fcd34d;
}

.intro-skip-btn:hover {
  background: rgba(229, 185, 88, 0.9);
  color: #000;
  border-color: #fcd34d;
}

/* 하단 캡션 바 */
.intro-caption-bar {
  position: absolute;
  bottom: 2.5rem;
  left: 2.5rem;
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  pointer-events: none;
}

.intro-tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.2rem 0.6rem;
  background: rgba(229, 185, 88, 0.2);
  border: 1px solid rgba(229, 185, 88, 0.5);
  color: #fcd34d;
  border-radius: 4px;
  text-transform: uppercase;
}

.intro-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   [STEP 06] 변화의 시작 인증 (참석자 인증 및 새로운 시작 다짐) 스타일
   ========================================================================== */

/* 1. 상단 액션 툴바 (초슬림 컴팩트) */
.cert-action-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.35rem;
}

.cert-reset-btn {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm, 6px);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition-fast, all 0.2s ease);
}

.cert-reset-btn:hover {
  background: rgba(239, 68, 68, 0.22);
  border-color: #ef4444;
  color: #ffffff;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

.cert-qr-btn {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--accent-cyan);
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
}

.cert-qr-btn:hover {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.cert-upload-trigger-btn {
  background: rgba(229, 185, 88, 0.15);
  border: 1px solid var(--border-highlight);
  color: var(--text-gold);
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
}

.cert-upload-trigger-btn:hover {
  background: linear-gradient(135deg, #e5b958 0%, #d97706 100%);
  color: #0f172a;
  box-shadow: 0 0 20px var(--accent-gold-glow);
  transform: translateY(-2px);
}

.cert-fullscreen-btn {
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.4);
  color: #c084fc;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.cert-fullscreen-btn:hover,
.cert-fullscreen-btn.active {
  background: linear-gradient(135deg, #a855f7 0%, #7e22ce 100%);
  color: #ffffff;
  border-color: #a855f7;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
  transform: translateY(-2px);
}

.cert-capture-btn {
  background: linear-gradient(135deg, #7e22ce 0%, #4338ca 100%) !important;
  color: #ffffff !important;
  border: 1px solid rgba(168, 85, 247, 0.4) !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 15px rgba(126, 34, 206, 0.35) !important;
  cursor: pointer;
  padding: 0.3rem 0.85rem !important;
  font-size: 0.78rem !important;
}

.cert-capture-btn:hover {
  background: linear-gradient(135deg, #9333ea 0%, #4f46e5 100%) !important;
  box-shadow: 0 6px 25px rgba(168, 85, 247, 0.5) !important;
  transform: translateY(-2px);
}

/* ==========================================================================
   [전체화면(Fullscreen) 모드 전용 스타일] - 툴바 숨김 및 세로 중앙 정렬
   ========================================================================== */
.fullscreen-overlay-controls {
  display: none !important;
}

:fullscreen body,
:-webkit-full-screen body,
:-moz-full-screen body,
:-ms-fullscreen body,
body.is-fullscreen {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 100vh !important;
  height: 100vh !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}

:fullscreen .fullscreen-overlay-controls,
:-webkit-full-screen .fullscreen-overlay-controls,
:-moz-full-screen .fullscreen-overlay-controls,
:-ms-fullscreen .fullscreen-overlay-controls,
html.is-fullscreen .fullscreen-overlay-controls,
body.is-fullscreen .fullscreen-overlay-controls,
.is-fullscreen .fullscreen-overlay-controls {
  display: flex !important;
  flex-direction: column !important;
  position: fixed !important;
  bottom: 24px !important;
  right: 24px !important;
  gap: 12px !important;
  margin: 0 !important;
  padding: 0 !important;
  z-index: 2147483647 !important;
  pointer-events: none !important;
}

/* 캡처 시 오버레이 컨트롤 제외 */
.capturing-mode .fullscreen-overlay-controls,
.capturing-mode .fs-fab-btn {
  display: none !important;
}

.fs-fab-btn {
  pointer-events: auto;
  width: 50px;
  height: 50px;
  min-width: 50px;
  min-height: 50px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: var(--transition-fast);
}

.fs-fab-btn .fs-btn-icon {
  font-size: 1.35rem;
  line-height: 1;
}

/* 전체보기 해제 아이콘 단추 (다크 글래스 룩) */
.fs-exit-fab {
  background: rgba(15, 23, 42, 0.88);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  color: #f8fafc;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}

.fs-exit-fab:hover {
  transform: scale(1.12);
  background: rgba(220, 38, 38, 0.92);
  border-color: #ef4444;
  color: #ffffff;
  box-shadow: 0 6px 24px rgba(220, 38, 38, 0.6);
}

/* 화면 캡쳐 아이콘 단추 (퍼플 골드 룩) */
.fs-capture-fab {
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.95) 0%, rgba(67, 56, 202, 0.95) 100%);
  border: 1.5px solid rgba(250, 204, 21, 0.85);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45), 0 0 14px rgba(168, 85, 247, 0.45);
}

.fs-capture-fab:hover {
  transform: scale(1.12);
  background: linear-gradient(135deg, #a855f7 0%, #4f46e5 100%);
  border-color: #fef08a;
  box-shadow: 0 6px 26px rgba(168, 85, 247, 0.7), 0 0 18px rgba(250, 204, 21, 0.7);
}


:fullscreen .cert-action-toolbar,
:-webkit-full-screen .cert-action-toolbar,
:-moz-full-screen .cert-action-toolbar,
:-ms-fullscreen .cert-action-toolbar,
html.is-fullscreen .cert-action-toolbar,
body.is-fullscreen .cert-action-toolbar,
.is-fullscreen .cert-action-toolbar {
  display: none !important;
}

:fullscreen .auth-top-nav,
:-webkit-full-screen .auth-top-nav,
:-moz-full-screen .auth-top-nav,
:-ms-fullscreen .auth-top-nav,
html.is-fullscreen .auth-top-nav,
body.is-fullscreen .auth-top-nav,
.is-fullscreen .auth-top-nav {
  display: none !important;
}

:fullscreen .auth-page-wrapper,
:-webkit-full-screen .auth-page-wrapper,
:-moz-full-screen .auth-page-wrapper,
:-ms-fullscreen .auth-page-wrapper,
html.is-fullscreen .auth-page-wrapper,
body.is-fullscreen .auth-page-wrapper,
.is-fullscreen .auth-page-wrapper {
  width: 100% !important;
  max-width: 100vw !important;
  height: 100vh !important;
  max-height: 100vh !important;
  margin: 0 auto !important;
  padding: 0 1.2rem !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  box-sizing: border-box !important;
}

:fullscreen main,
:-webkit-full-screen main,
:-moz-full-screen main,
:-ms-fullscreen main,
.is-fullscreen main,
:fullscreen #page-cert,
:-webkit-full-screen #page-cert,
:-moz-full-screen #page-cert,
:-ms-fullscreen #page-cert,
.is-fullscreen #page-cert {
  width: 100% !important;
  height: auto !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  margin: 0 !important;
  padding: 0 !important;
}

:fullscreen .cert-capture-wrapper,
:-webkit-full-screen .cert-capture-wrapper,
:-moz-full-screen .cert-capture-wrapper,
:-ms-fullscreen .cert-capture-wrapper,
body.is-fullscreen .cert-capture-wrapper {
  margin: 0 auto !important;
  width: 100% !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4) !important;
}

/* 전체화면(Fullscreen) 모드 시 웅장하고 안정적인 좌석 및 사진 핏 */
.is-fullscreen .classroom-seat {
  height: 80px !important;
  max-width: 110px !important;
}

.is-fullscreen .seat-chair-back {
  width: 86px !important;
  height: 52px !important;
}

.is-fullscreen .seat-person-wrap {
  width: 94px !important;
  height: 78px !important;
  border-radius: 47px 47px 0 0 !important;
}

.is-fullscreen .desk-front-bar {
  height: 14px !important;
}

.is-fullscreen .classroom-desk-row.row-5 {
  margin-bottom: 6px !important;
}

.is-fullscreen .classroom-desk-row.row-4 {
  margin-bottom: 6px !important;
}

.is-fullscreen .classroom-desk-row.row-3 {
  margin-bottom: 5px !important;
}

.is-fullscreen .classroom-desk-row.row-2 {
  margin-bottom: 4px !important;
}

.is-fullscreen .classroom-desk-row.row-1 {
  margin-bottom: 0 !important;
}

/* ==========================================================================
   [ZOOM CLASSROOM IMMERSIVE VIEW] auth_result.jpg 스타일 가상 계단식 강의실
   ========================================================================== */

/* 2. 캡처 대상 래퍼 (가상 강의실 전체 무대 - 완벽한 100% 무스크롤 핏) */
.cert-capture-wrapper {
  background: linear-gradient(180deg, #ded7cc 0%, #d4ccbf 45%, #c4b8a6 100%);
  border: 2.5px solid #b48318;
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem 0.6rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
  min-height: auto;
  display: flex;
  flex-direction: column;
  width: 100%;
  box-sizing: border-box;
}

/* 강의실 상단 벽면 & 배경 룩 (상단 분리 배경 제거 -> 전체 일체형 그라데이션 적용) */
.classroom-wall-backdrop {
  display: none;
}

/* 3. 강의실 상단 전면 현수막 배너 (대형 타이틀 & 초슬림) */
.commemorative-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 60%, #172554 100%);
  border: 1.5px solid #fcd34d;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem 0.45rem;
  margin: 0 auto 12px;
  width: 100%;
  max-width: 100%;
  text-align: center;
  position: relative;
  z-index: 5;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.banner-main-title {
  font-family: 'Cinzel', 'Noto Sans KR', sans-serif;
  font-size: 2.15rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0.35rem 0 0.2rem 0;
  background: linear-gradient(135deg, #ffffff 0%, #fef08a 40%, #f59e0b 80%, #fbbf24 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.8));
}

.banner-sub-title {
  font-size: 1.02rem;
  font-weight: 600;
  color: #e2e8f0;
  margin: 0.15rem 0 0;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}

/* 4. [핵심] 계단식 가상 강의실 데스크 & 좌석 시스템 (5 Rows x 12 Seats = 총 60석 극밀착) */
.classroom-auditorium-stage {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  z-index: 3;
  margin-top: 4px;
  width: 100%;
}

/* 개별 가로형 데스크 줄 (Row) - 줄간격 및 원근감 균형 */
.classroom-desk-row {
  display: flex;
  flex-direction: column;
  position: relative;
  width: 100%;
}

/* 5열 (맨 뒷줄) */
.classroom-desk-row.row-5 {
  z-index: 10;
  transform: scale(0.92);
  transform-origin: center bottom;
  margin-bottom: 5px;
}

/* 4열 (4번째 줄) */
.classroom-desk-row.row-4 {
  z-index: 20;
  transform: scale(0.94);
  transform-origin: center bottom;
  margin-bottom: 5px;
}

/* 3열 (3번째 줄) */
.classroom-desk-row.row-3 {
  z-index: 30;
  transform: scale(0.96);
  transform-origin: center bottom;
  margin-bottom: 4px;
}

/* 2열 (2번째 줄) */
.classroom-desk-row.row-2 {
  z-index: 40;
  transform: scale(0.98);
  transform-origin: center bottom;
  margin-bottom: 3px;
}

/* 1열 (맨 앞줄) */
.classroom-desk-row.row-1 {
  z-index: 50;
  transform: scale(1);
  transform-origin: center bottom;
  margin-bottom: 0;
}

/* 좌석들이 나열되는 와이드 12열 컨테이너 */
.seats-line {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0.25rem;
  justify-items: center;
  align-items: flex-end;
  padding: 0 0.25rem;
  position: relative;
  z-index: 1;
}

/* 개별 좌석 단위 (자연스러운 비율과 높이) */
.classroom-seat {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  max-width: 104px;
  height: 72px;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.classroom-seat:hover {
  transform: translateY(-4px) scale(1.2);
  z-index: 60;
}

/* 민트/청록색 의자 등받이 */
.seat-chair-back {
  position: absolute;
  bottom: 0;
  width: 82px;
  height: 48px;
  background: linear-gradient(180deg, #14b8a6 0%, #0d9488 100%);
  border-radius: 8px 8px 3px 3px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2), inset 0 1px 2px rgba(255, 255, 255, 0.35);
  z-index: 1;
  border: 1.2px solid #0f766e;
}

/* 빈 좌석 표시 */
.classroom-seat.empty .seat-chair-back {
  opacity: 0.6;
  background: linear-gradient(180deg, #2dd4bf 0%, #0d9488 100%);
}

.classroom-seat.empty:hover .seat-chair-back {
  opacity: 0.95;
  border-color: #fcd34d;
}

.seat-empty-hint {
  position: absolute;
  top: 26%;
  font-size: 0.65rem;
  font-weight: 700;
  color: #ffffff;
  opacity: 0.85;
  z-index: 2;
}

/* 참석자 인물 상반신 사진 (가로폭 90px로 와이드하게 확장하여 홀쭉해짐/왜곡 완전 방지) */
.seat-person-wrap {
  position: relative;
  width: 90px;
  height: 70px;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  border-radius: 45px 45px 0 0;
}

.seat-person-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 10%;
  display: block;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.35));
  transition: transform var(--transition-fast);
}

.classroom-seat:hover .seat-person-img {
  transform: scale(1.08);
}

/* 가로형 화이트 데스크 바 (앞쪽을 덮는 책상 상판) */
.desk-front-bar {
  width: 100%;
  height: 11px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 60%, #e2e8f0 100%);
  border-top: 1px solid #cbd5e1;
  border-bottom: 1px solid #94a3b8;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 3;
  margin-top: -2px;
  border-radius: 1.5px;
}

/* 좌석 호버 시 나타나는 Zoom 대화 말풍선 & 명찰 팝업 */
.seat-hover-popover {
  position: absolute;
  bottom: 105%;
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(229, 185, 88, 0.5);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  width: max-content;
  min-width: 130px;
  max-width: 200px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 15px rgba(229, 185, 88, 0.2);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 100;
}

.seat-hover-popover::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid rgba(15, 23, 42, 0.95);
}

.classroom-seat:hover .seat-hover-popover {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.popover-name {
  font-size: 0.88rem;
  font-weight: 800;
  color: #ffffff;
  display: block;
  text-align: center;
  margin-bottom: 0.2rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.popover-company,
.popover-role {
  font-size: 0.74rem;
  font-weight: 600;
  color: #fcd34d;
  margin-bottom: 0.35rem;
  display: block;
  text-align: center;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.popover-quote {
  font-size: 0.72rem;
  color: #e2e8f0;
  line-height: 1.3;
  margin: 0;
  word-break: keep-all;
  font-style: italic;
}

.popover-actions {
  display: flex;
  gap: 0.25rem;
  justify-content: center;
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.popover-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.popover-btn:hover {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #0f172a;
}

/* 하단 강의실 단체 참여 인증 각인 (앞열 책상에 가려지지 않도록 z-index 100 적용) */
.classroom-footer-tag {
  margin-top: 0.65rem;
  margin-bottom: 0.25rem;
  text-align: center;
  position: relative;
  z-index: 100;
  display: block;
  visibility: visible;
  opacity: 1;
}

.classroom-footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 1.2rem;
  background: #0f172a;
  border: 1.5px solid #fcd34d;
  border-radius: var(--radius-full);
  color: #fcd34d;
  font-size: 0.78rem;
  font-weight: 800;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
  letter-spacing: 0.02em;
}

/* 정원 설정 모달용 프리셋 버튼 */
.preset-seat-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.5rem 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.preset-seat-btn:hover {
  border-color: var(--accent-gold);
  background: var(--bg-tertiary);
  color: var(--text-gold);
}

.preset-seat-btn.active {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #0f172a;
  box-shadow: 0 2px 8px rgba(229, 185, 88, 0.35);
}

/* 강의실 뷰(60석 대강당) 반응형 최적화 */
@media (max-width: 1600px) {
  .seats-line {
    gap: 0.4rem;
  }
  .classroom-seat {
    max-width: 105px;
    height: 122px;
  }
  .seat-chair-back {
    width: 82px;
    height: 70px;
  }
  .seat-person-wrap {
    width: 88px;
    height: 100px;
    border-radius: 44px 44px 0 0;
  }
  .desk-front-bar {
    height: 24px;
  }
}

@media (max-width: 1200px) {
  .cert-capture-wrapper {
    padding: 1.8rem 1.5rem 3rem;
  }
  .banner-main-title {
    font-size: 1.9rem;
  }
  .seats-line {
    gap: 0.25rem;
    padding: 0 0.25rem;
  }
  .classroom-seat {
    max-width: 82px;
    height: 100px;
  }
  .seat-chair-back {
    width: 66px;
    height: 56px;
    border-radius: 14px 14px 4px 4px;
  }
  .seat-person-wrap {
    width: 70px;
    height: 80px;
    border-radius: 35px 35px 0 0;
  }
  .desk-front-bar {
    height: 20px;
  }
}

@media (max-width: 992px) {
  .classroom-auditorium-stage {
    overflow-x: auto;
    padding-bottom: 1.2rem;
    -webkit-overflow-scrolling: touch;
  }
  .classroom-desk-row {
    min-width: 1080px;
  }
}

@media (max-width: 768px) {
  .intro-controls {
    top: 1.2rem;
    right: 1.2rem;
    gap: 0.5rem;
  }
  .intro-btn {
    padding: 0.5rem 0.9rem;
    font-size: 0.78rem;
  }
  .intro-caption-bar {
    bottom: 1.5rem;
    left: 1.5rem;
  }
  .intro-title {
    font-size: 1rem;
  }
}

.cert-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
}

.cert-empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.cert-empty-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.cert-empty-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* 5. 개별 참석자 인증 카드 */
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 20px rgba(229, 185, 88, 0.15);
  border-color: var(--border-highlight);
}

/* 카드 상단 헤더 */
.cert-card-header {
  padding: 1rem 1.2rem 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.cert-user-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cert-user-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cert-user-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.cert-stamp-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-weight: 800;
  color: #fcd34d;
  background: rgba(229, 185, 88, 0.15);
  border: 1px solid rgba(229, 185, 88, 0.4);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 카드 이미지 영역 */
.cert-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #0f172a;
  overflow: hidden;
}

.cert-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity var(--transition-fast), transform var(--transition-normal);
}

.cert-card:hover .cert-card-img {
  transform: scale(1.02);
}

.cert-toggle-view-pill {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  color: #f8fafc;
  cursor: pointer;
  z-index: 5;
  transition: var(--transition-fast);
}

.cert-toggle-view-pill:hover {
  background: var(--accent-gold);
  color: #0f172a;
  font-weight: 700;
}

.cert-preset-tag {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(229, 185, 88, 0.35);
  color: #fcd34d;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  z-index: 5;
}

/* 카드 본문 & 다짐 메시지 */
.cert-card-body {
  padding: 1.2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.cert-quote-box {
  background: rgba(229, 185, 88, 0.06);
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.85rem 1rem;
  position: relative;
}

.cert-quote-text {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-primary);
  font-style: italic;
  margin: 0;
  word-break: keep-all;
}

.cert-quote-icon {
  font-size: 1.1rem;
  color: var(--accent-gold);
  opacity: 0.6;
  margin-right: 0.3rem;
}

/* 카드 푸터 */
.cert-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.cert-date {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.cert-card-action-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.cert-card-action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

/* 6. 모달 공통 & 업로드 모달 (완벽한 좌우 대칭 5:5 골든 핏 & 중앙 정렬) */
.cert-modal-card {
  display: block !important;
  max-width: 680px !important;
  width: 92% !important;
  margin: 0 auto !important;
  padding: 0 !important;
  border-radius: 20px !important;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5) !important;
  border: 1px solid rgba(250, 204, 21, 0.35) !important;
  overflow: hidden !important;
  background: #0f172a !important;
}

.cert-modal-body {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  width: 100% !important;
  min-height: auto;
  align-items: stretch;
  box-sizing: border-box;
}

@media (max-width: 680px) {
  .cert-modal-card {
    max-height: 90vh !important;
    overflow-y: auto !important;
  }
  .cert-modal-body {
    grid-template-columns: 1fr !important;
    min-height: auto;
  }
  .cert-modal-media-col {
    padding: 1.2rem !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border-subtle);
  }
}

/* 좌측 미디어 컬럼 */
.cert-modal-media-col {
  background: rgba(10, 13, 20, 0.65);
  padding: 1.6rem 1.4rem;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.9rem;
}

.cert-media-mode-tabs {
  display: flex;
  background: var(--bg-tertiary);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  gap: 0.25rem;
}

.cert-tab-btn {
  flex: 1;
  padding: 0.5rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.cert-tab-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* 드롭존 */
.cert-upload-dropzone {
  border: 2px dashed var(--border-highlight);
  border-radius: var(--radius-md);
  padding: 1.2rem 1rem;
  text-align: center;
  cursor: pointer;
  background: rgba(229, 185, 88, 0.03);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
}

.cert-upload-dropzone:hover,
.cert-upload-dropzone.drag-over {
  border-color: var(--accent-gold);
  background: rgba(229, 185, 88, 0.08);
  transform: scale(1.01);
}

.dropzone-icon {
  font-size: 2.8rem;
  margin-bottom: 0.75rem;
}

.dropzone-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.dropzone-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* 웹캠 촬영 영역 */
.cert-camera-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

#certWebcamVideo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: #000;
  border: 1px solid var(--border-subtle);
}

.camera-controls {
  display: flex;
  gap: 0.75rem;
  width: 100%;
}

.camera-action-btn {
  flex: 1;
  padding: 0.7rem;
  background: var(--accent-gold);
  color: #0f172a;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
}

.camera-action-btn.secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.camera-action-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

/* 이미지 미리보기 및 AI 스캔 애니메이션 */
.cert-preview-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

.preview-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--accent-gold);
  box-shadow: 0 0 20px var(--accent-gold-glow);
}

#certPreviewImg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ai-scan-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(3px);
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
}

.ai-scan-overlay.active {
  display: flex;
}

.scan-laser-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #38bdf8, #e5b958, transparent);
  box-shadow: 0 0 15px #38bdf8;
  animation: scanLaserAnim 1.8s infinite ease-in-out;
}

@keyframes scanLaserAnim {
  0% { top: 0%; opacity: 0.4; }
  50% { top: 100%; opacity: 1; }
  100% { top: 0%; opacity: 0.4; }
}

.scan-status-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fcd34d;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
  animation: pulseText 1s infinite alternate;
}

@keyframes pulseText {
  from { opacity: 0.7; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1.02); }
}

.cert-reset-img-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.cert-reset-img-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

/* 우측 정보 입력 컬럼 */
.cert-modal-info-col {
  padding: 1.8rem 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.9rem;
  overflow-y: auto;
}

.cert-modal-header {
  margin-bottom: 0.4rem;
}

.cert-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fcd34d;
  background: rgba(229, 185, 88, 0.15);
  border: 1px solid rgba(229, 185, 88, 0.35);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 0.35rem;
}

.cert-modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0.2rem 0 0.3rem 0;
  letter-spacing: -0.02em;
}

.cert-modal-desc {
  font-size: 0.86rem;
  color: #94a3b8;
  line-height: 1.45;
  margin: 0;
}

/* 폼 컨트롤 */
.cert-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #f1f5f9;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.required-star {
  color: #ef4444;
  font-weight: 800;
}

.form-input,
.form-textarea {
  background: rgba(15, 23, 42, 0.6);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  transition: var(--transition-fast);
}

.form-input::placeholder {
  color: #64748b;
  font-weight: 400;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  background: rgba(15, 23, 42, 0.85);
  border-color: var(--accent-gold);
  box-shadow: 0 0 14px rgba(229, 185, 88, 0.3);
}

/* 세련된 안내 팁 박스 카드 */
.input-helper-card {
  background: rgba(229, 185, 88, 0.08);
  border: 1px solid rgba(229, 185, 88, 0.25);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  margin-top: 0.3rem;
}

.helper-card-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fcd34d;
  margin-bottom: 0.25rem;
}

.helper-card-text {
  font-size: 0.78rem;
  color: #cbd5e1;
  line-height: 1.5;
  word-break: keep-all;
}

.helper-card-text strong {
  color: #fef08a;
  font-weight: 700;
}

/* 프롬프트 프리셋 선택 그리드 */
.preset-selector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

@media (max-width: 540px) {
  .preset-selector-grid {
    grid-template-columns: 1fr;
  }
}

.preset-card {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.preset-card input[type="radio"] {
  margin-top: 0.2rem;
  accent-color: var(--accent-gold);
}

.preset-card:hover {
  border-color: rgba(229, 185, 88, 0.4);
  background: rgba(229, 185, 88, 0.05);
}

.preset-card.active {
  border-color: var(--accent-gold);
  background: rgba(229, 185, 88, 0.12);
}

.preset-title {
  display: block;
  font-size: 0.82rem;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.preset-desc {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* 프롬프트 실시간 프리뷰 박스 */
.preset-prompt-preview {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(229, 185, 88, 0.2);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  font-size: 0.78rem;
  line-height: 1.4;
  color: #cbd5e1;
}

.prompt-preview-tag {
  color: #fcd34d;
  font-weight: 700;
  margin-right: 0.35rem;
}

/* 제출 버튼 */
.cert-submit-btn {
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: linear-gradient(135deg, #e5b958 0%, #d97706 100%);
  color: #0f172a;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px var(--accent-gold-glow);
  transition: var(--transition-normal);
}

.cert-submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(229, 185, 88, 0.5);
  filter: brightness(1.05);
}

.cert-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 7. QR 모달 스타일 (완벽한 좌우 대칭 및 균형 정렬) */
.cert-qr-modal-card {
  max-width: 460px !important;
  width: 90% !important;
  box-sizing: border-box !important;
  margin: 0 auto !important;
  text-align: center;
  padding: 2.2rem 2rem !important;
  border-radius: 18px !important;
  position: relative;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
}

.cert-qr-modal-body {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 0 auto;
  padding: 0;
}

.qr-modal-icon {
  font-size: 2.8rem;
  margin-bottom: 0.4rem;
  line-height: 1;
}

.qr-modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
  text-align: center;
  width: 100%;
}

.qr-modal-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0 auto 1.2rem auto;
  text-align: center;
  word-break: keep-all;
  width: 100%;
  max-width: 380px;
}

.qr-code-display-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin: 0 auto 1.2rem auto;
  width: 100%;
}

.qr-box {
  background: #ffffff;
  padding: 12px;
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  box-sizing: border-box;
}

.qr-box canvas {
  display: none !important;
}

.qr-box img {
  display: block !important;
  margin: 0 auto !important;
  max-width: 100% !important;
  height: auto !important;
}

.qr-badge {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  text-align: center;
}

.qr-url-box {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  box-sizing: border-box;
  align-items: center;
  justify-content: center;
}

.qr-url-input {
  flex: 1;
  min-width: 0;
  box-sizing: border-box;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  color: var(--text-secondary);
  font-size: 0.82rem;
  text-align: left;
}

.qr-copy-btn {
  background: var(--accent-gold);
  color: #0f172a;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.qr-copy-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* 8. 캡처용 최적화 클래스 (html2canvas 실행 시 일시적 적용) */
.capturing-mode {
  box-shadow: none !important;
  border: 2.5px solid #b48318 !important;
  animation: none !important;
  transition: none !important;
  padding-bottom: 1rem !important;
}

.capturing-mode * {
  animation: none !important;
  transition: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

/* 캡처 시 현수막 메인 타이틀: 그라데이션 클립 대신 선명한 골드 컬러 적용 */
.capturing-mode .banner-main-title {
  background: none !important;
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
  -webkit-text-fill-color: #fef08a !important;
  color: #fef08a !important;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.9) !important;
}

/* 캡처 시 사진 높이 및 좌석 라인 대폭 확장 */
.capturing-mode .classroom-seat {
  height: 74px !important;
}

.capturing-mode .seat-chair-back {
  width: 82px !important;
  height: 48px !important;
}

.capturing-mode .seat-person-wrap {
  width: 90px !important;
  height: 70px !important;
  border-radius: 45px 45px 0 0 !important;
}

.capturing-mode .seat-person-img {
  object-fit: cover !important;
  object-position: center 10% !important;
  width: 100% !important;
  height: 100% !important;
  border-radius: 45px 45px 0 0 !important;
}

/* 캡처 시 하단 단체 기념 배지 선명하게 유지 */
.capturing-mode .classroom-footer-tag {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  margin-top: 0.6rem !important;
  margin-bottom: 0.2rem !important;
}

.capturing-mode .classroom-footer-badge {
  display: inline-flex !important;
  visibility: visible !important;
  opacity: 1 !important;
  background: #0f172a !important;
  border: 1px solid #fcd34d !important;
  color: #fcd34d !important;
  font-weight: 700 !important;
  padding: 0.2rem 1.1rem !important;
}

.capturing-mode .cert-card-action-btn,
.capturing-mode .cert-toggle-view-pill,
.capturing-mode .fullscreen-overlay-controls,
.capturing-mode .fs-fab-btn {
  display: none !important;
}

/* 8. 실시간 연동 상태 배지 스타일 */
.realtime-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.realtime-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #eab308;
  box-shadow: 0 0 6px rgba(234, 179, 8, 0.6);
  display: inline-block;
  transition: background 0.3s ease;
}

.realtime-pulse-dot.online {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-green 2s infinite;
}

.realtime-pulse-dot.connecting {
  background: #eab308;
  animation: pulse-yellow 1s infinite;
}

.realtime-pulse-dot.offline {
  background: #64748b;
  box-shadow: none;
}

@keyframes pulse-green {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.65; }
}

@keyframes pulse-yellow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.6; }
}

/* ==========================================================================
   [PAGE 06] 최종 클립연결 영상 (Final Combined Video) 쇼케이스 스타일
   ========================================================================== */
.final-video-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 1.75rem;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .final-video-showcase-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.final-video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.final-video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
  border-color: rgba(245, 158, 11, 0.4);
}

.final-video-card.featured-card {
  border-color: rgba(245, 158, 11, 0.5);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.04) 0%, var(--bg-card) 40%);
}

.final-video-card-header {
  padding: 1.35rem 1.5rem 1rem;
}

.final-card-badge-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.final-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.final-badge.master-badge {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.final-badge.clean-badge {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.final-tag {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.final-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.45rem;
  line-height: 1.4;
}

.final-card-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 0;
}

.final-video-player-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background: #000;
}

.final-video-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.final-video-footer {
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.15);
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.final-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.youtube-direct-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.youtube-direct-link:hover {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
}

/* ==========================================================================
   [PAGE 06] 6단계 시네마틱 스토리 아크 (Story Arc) 타임라인 그리드 스타일
   ========================================================================== */
.final-story-arc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .final-story-arc-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.arc-step-item {
  background: rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.arc-step-item:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: var(--shadow-sm);
}

.arc-step-item.highlight-step {
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.08) 0%, rgba(0, 0, 0, 0.14) 100%);
  border-color: rgba(245, 158, 11, 0.35);
}

.arc-step-badge {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent-gold);
  margin-bottom: 0.45rem;
  text-transform: uppercase;
}

.arc-step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.arc-step-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 0.85rem;
  flex-grow: 1;
}

.arc-step-footer {
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--border-subtle);
}

.arc-mood-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

.arc-mood-pill.gold-pill {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   [BGM GUIDE MODAL] 클립 배경음악 확장 생성 방법 (MusicGen) 모달 & 버튼 스타일
   ========================================================================== */
.bgm-guide-btn {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(56, 189, 248, 0.12) 100%) !important;
  border-color: rgba(16, 185, 129, 0.4) !important;
  color: #34d399 !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.15);
  transition: all var(--transition-fast) !important;
}

.bgm-guide-btn:hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.28) 0%, rgba(56, 189, 248, 0.22) 100%) !important;
  border-color: #34d399 !important;
  color: #6ee7b7 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

body.light-theme .bgm-guide-btn {
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%) !important;
  border-color: #059669 !important;
  color: #047857 !important;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.12);
}

body.light-theme .bgm-guide-btn:hover {
  background: linear-gradient(135deg, #d1fae5 0%, #dcfce7 100%) !important;
  border-color: #047857 !important;
  color: #065f46 !important;
}

/* BGM 모달 카드 레이아웃 */
.bgm-guide-modal-card {
  display: flex !important;
  flex-direction: column !important;
  grid-template-columns: none !important;
  max-width: 980px !important;
  width: 95% !important;
  max-height: 90vh !important;
  padding: 2.2rem 2.4rem !important;
  background: #0d121f !important;
  border: 1px solid rgba(56, 189, 248, 0.35) !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(16, 185, 129, 0.15) !important;
}

body.light-theme .bgm-guide-modal-card {
  background: #ffffff !important;
  border-color: rgba(16, 185, 129, 0.35) !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15) !important;
}

/* 모달 상단 헤더 */
.bgm-guide-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.bgm-guide-badge-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.bgm-guide-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

body.light-theme .bgm-guide-badge {
  background: #ecfdf5;
  color: #059669;
  border-color: #a7f3d0;
}

.colab-external-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.95rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0f172a;
  border: 1px solid #fbbf24;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
  transition: all var(--transition-fast);
}

.colab-external-link-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
}

.bgm-guide-modal-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
  line-height: 1.35;
}

.bgm-guide-modal-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* 모달 본문 (Step Cards List) */
.bgm-guide-body {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  overflow-y: auto;
  padding-right: 0.4rem;
}

.bgm-step-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: border-color var(--transition-fast);
}

.bgm-step-card:hover {
  border-color: rgba(56, 189, 248, 0.35);
}

body.light-theme .bgm-step-card {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.08);
}

body.light-theme .bgm-step-card:hover {
  border-color: rgba(16, 185, 129, 0.35);
}

.bgm-step-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.step-num-badge {
  font-family: 'Cinzel', monospace;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
  letter-spacing: 0.05em;
}

body.light-theme .step-num-badge {
  background: #e0f2fe;
  color: #0284c7;
  border-color: #bae6fd;
}

.bgm-step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.bgm-step-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* 코드 박스 래퍼 */
.code-box-wrap {
  margin-top: 0.35rem;
  background: #050811;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

body.light-theme .code-box-wrap {
  background: #0f172a;
  border-color: #1e293b;
}

.code-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-lang-tag {
  font-size: 0.74rem;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-weight: 600;
  color: #94a3b8;
}

.copy-code-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e2e8f0;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-code-btn:hover {
  background: var(--accent-gold);
  color: #000;
  border-color: var(--accent-gold);
}

.copy-code-btn.copied {
  background: #10b981 !important;
  color: #ffffff !important;
  border-color: #10b981 !important;
}

.code-content-pre {
  margin: 0;
  padding: 1rem 1.1rem;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #f1f5f9;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  max-height: 380px;
}