/* ==========================================================================
   AI Storyboard & Prompt Studio - CSS Stylesheet
   ========================================================================== */

/* Design System & Variables */
:root {
    --bg-app: #090b11;
    --bg-header: rgba(16, 20, 35, 0.85);
    --bg-card: #131726;
    --bg-card-hover: #1b2035;
    --border-color: rgba(99, 102, 241, 0.15);
    --border-color-focus: rgba(99, 102, 241, 0.5);
    
    /* Brand Colors */
    --primary: #6366f1;         /* Indigo */
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.12);
    
    --secondary: #a855f7;       /* Purple/Violet */
    --secondary-hover: #9333ea;
    
    --success: #10b981;         /* Emerald */
    --success-light: rgba(16, 185, 129, 0.15);
    
    --danger: #f43f5e;          /* Rose */
    --danger-hover: #e11d48;
    --danger-light: rgba(244, 63, 94, 0.1);
    
    --warning: #f59e0b;         /* Amber */
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --grad-primary-hover: linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
    --grad-dark: linear-gradient(180deg, #111422 0%, #090b11 100%);
    --grad-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    /* Shadows & Blurs */
    --glow-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --glass-blur: blur(12px);
    
    /* Animation Timings */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Outfit', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-app);
    background-image: 
        radial-gradient(at 0% 0%, rgba(var(--primary-rgb), 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(var(--primary-rgb), 0.08) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #090b11;
}

::-webkit-scrollbar-thumb {
    background: #252b44;
    border-radius: 4px;
}

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

/* App Container Layout */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header Area styling */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2rem;
    margin-top: 1rem;
    background: var(--bg-header);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    z-index: 100;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.75rem;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 8px rgba(var(--primary-rgb), 0.4));
    animation: float 4s ease-in-out infinite;
}

.logo-text h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #cfd5e2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Navigation Tabs */
.tab-nav {
    display: flex;
    background: rgba(9, 11, 17, 0.6);
    padding: 0.35rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.6rem 0.95rem;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 9px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-fast);
    white-space: nowrap !important;
}

.nav-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.nav-btn.active {
    color: var(--text-primary);
    background: var(--primary);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

/* Header Buttons */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-wrap: nowrap !important;
}

.action-btn {
    border: none;
    border-radius: 10px;
    padding: 0.6rem 0.85rem;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-smooth);
    white-space: nowrap !important;
}

.action-btn.primary {
    background: var(--grad-primary);
    color: var(--text-primary);
    box-shadow: var(--glow-shadow);
}

.action-btn.primary:hover {
    background: var(--grad-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(var(--primary-rgb), 0.4);
}

.action-btn.secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.action-btn.secondary.active {
    background: rgba(var(--primary-rgb), 0.18) !important;
    color: #fff !important;
    border-color: var(--secondary) !important;
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.3) !important;
}

/* Stats Banner */
.stats-banner {
    display: flex;
    gap: 1.5rem;
    margin: 1.25rem 0;
    padding: 1.2rem 2rem;
    background: rgba(26, 29, 45, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    align-items: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-grow: 1;
}

.stat-item.mini {
    flex-grow: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    padding-left: 1.5rem;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    min-width: 100px;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.progress-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--grad-primary);
    border-radius: 4px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-value {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.stat-item.mini .stat-value {
    font-size: 1.35rem;
    color: var(--primary);
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Main Content Wrapper */
.main-content {
    flex-grow: 1;
    margin-bottom: 2rem;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
    display: block;
}

/* Setup Panel Styles (Characters & Scenes) */
.setup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .setup-grid {
        grid-template-columns: 1fr;
    }
}

.setup-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--card-shadow);
}

.setup-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.85rem;
}

.setup-card-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.setup-card-header h3 i {
    color: var(--primary);
}

.help-tooltip {
    color: var(--text-muted);
    cursor: help;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.help-tooltip:hover {
    color: var(--text-secondary);
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-group input {
    flex-grow: 1;
    background: rgba(9, 11, 17, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem 0.85rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.15);
}

.add-btn {
    background: var(--primary-light);
    border: 1px solid var(--border-color);
    color: var(--primary);
    width: 38px;
    height: 38px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.add-btn:hover {
    background: var(--primary);
    color: var(--text-primary);
    border-color: var(--primary);
    transform: scale(1.05);
}

/* Chip Container */
.chip-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-height: 28px;
}

.chip {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 30px;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-fast);
    animation: scaleIn 0.2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.chip:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.chip .delete-chip {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

.chip .delete-chip:hover {
    color: var(--danger);
}

/* Matrix Table Layout styling */
.matrix-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0 0 1.5rem 0; /* 상단 패딩 제거하여 스크롤 시 이미지 삐침 현상 차단 */
    overflow-x: auto;
    overflow-y: auto; /* 세로 스크롤도 wrapper가 함께 전담 */
    max-height: calc(100vh - 200px); /* 화면 높이에 맞춰 반응형 높이 제안 */
    box-shadow: var(--card-shadow);
}

.matrix-container {
    min-width: 100%;
}

.empty-matrix-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 3rem;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.25rem;
    opacity: 0.65;
}

.empty-matrix-state h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-matrix-state p {
    font-size: 0.85rem;
    color: var(--text-muted);
    max-width: 420px;
}

/* Matrix Table UI */
.matrix-table {
    width: max-content;
    border-collapse: separate;
    border-spacing: 0.75rem;
    background: var(--bg-card);
    /* Keep cell images inside the scroll viewport. The old negative margin
       let the first row/column peek out above and left of the sticky headers. */
    margin: 0;
}

.matrix-table th {
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.75rem;
    text-align: center;
    border-radius: 8px;
    color: var(--text-secondary);
}

/* Keep the sticky header gutters opaque while the matrix scrolls. */
.matrix-table thead,
.matrix-table thead tr,
.matrix-table tbody tr {
    background-color: var(--bg-card);
}
.matrix-table thead {
    position: sticky;
    top: 0;
    z-index: 20;
}

.matrix-table th.corner-cell {
    width: 160px;
    min-width: 160px;
    text-align: left;
    color: var(--text-muted);
    font-size: 0.8rem;
    position: sticky;
    left: 0;
    top: 0;
    z-index: 15;
    background: var(--bg-card) !important;
    border-bottom: 2px solid var(--border-color);
    padding-left: 1.5rem !important; /* 좌측 스크롤 여백 보정 */
}

.matrix-table th.character-header {
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    color: var(--text-primary);
    min-width: 200px;
    width: 200px;
    max-width: 200px;
    position: sticky;
    top: 0;
    z-index: 9;
    background: var(--bg-card) !important;
}

.matrix-table td.scene-header {
    background: var(--bg-card) !important;
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    vertical-align: middle;
    width: 160px;
    min-width: 160px;
    max-width: 160px;
    border-radius: 8px;
    padding: 1rem 0.5rem;
    padding-left: 1.5rem !important; /* 좌측 스크롤 여백 보정 */
    line-height: 1.3;
    word-break: break-all;
    overflow-wrap: break-word;
    white-space: normal;
    position: sticky;
    left: 0;
    z-index: 10;
    box-shadow: inset 0 0 0 1000px rgba(var(--primary-rgb), 0.08);
}

/* 접힌 열(캐릭터) */
.matrix-table th.character-header.collapsed {
    min-width: 70px !important;
    width: 70px !important;
    padding: 0.5rem 0.25rem !important;
    background: rgba(var(--primary-rgb), 0.03) !important;
    border-color: rgba(var(--primary-rgb), 0.1) !important;
}
.matrix-table th.character-header.collapsed .header-memo {
    display: none !important;
}
.matrix-table td.collapsed-column {
    min-width: 70px !important;
    width: 70px !important;
    max-width: 70px !important;
    padding: 0.25rem !important;
}
.matrix-table td.collapsed-column .matrix-cell-card {
    display: none !important; /* 접힌 열의 스토리보드 카드만 가림 */
}

/* 접힌 행(장면/감정) */
.matrix-table tr.collapsed td {
    padding: 0.25rem !important;
}
.matrix-table tr.collapsed td .matrix-cell-card {
    display: none !important; /* 접힌 행의 셀 카드들 숨김 */
}
.matrix-table tr.collapsed td.scene-header {
    padding: 0.35rem 0.5rem !important;
    background: rgba(var(--primary-rgb), 0.03) !important;
    border-color: rgba(var(--primary-rgb), 0.1) !important;
}
.matrix-table tr.collapsed td.scene-header .header-memo {
    display: none !important;
}

/* 접기/펼치기 조절용 버튼 스타일 */
.fold-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-left: 0.35rem;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.fold-btn:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}


/* Grid Storyboard Cells */
.matrix-cell-card {
    width: 160px;
    height: 160px; /* Fixed 1:1 square ratio */
    background: rgba(9, 11, 17, 0.4);
    border: 2px dashed rgba(255, 255, 255, 0.07);
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0.75rem;
    text-align: center;
    transition: var(--transition-smooth);
    margin: 0 auto;
}

.matrix-table td {
    text-align: center;
    vertical-align: middle;
    padding: 0.25rem;
    width: 200px;
    min-width: 200px;
    max-width: 200px;
}

.matrix-cell-card:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.04);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -8px rgba(var(--primary-rgb), 0.3);
}

.cell-empty-icon {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    transition: var(--transition-fast);
}

.matrix-cell-card:hover .cell-empty-icon {
    color: var(--primary);
    transform: scale(1.1);
}

.cell-empty-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.cell-prompt-preview {
    margin-top: 0.5rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    max-width: 90%;
    line-height: 1.3;
}

/* Cell with Prompt but no Image */
.matrix-cell-card.has-prompt {
    border-color: rgba(var(--primary-rgb), 0.3);
    border-style: solid;
    background: rgba(var(--primary-rgb), 0.02);
}

.matrix-cell-card.has-prompt .cell-empty-icon {
    color: var(--secondary);
}

.matrix-cell-card.has-prompt .cell-empty-label {
    color: var(--text-primary);
}

/* Completed Cell with Image */
.matrix-cell-card.completed {
    border-style: solid;
    border-color: rgba(255, 255, 255, 0.08);
    padding: 0;
}

.matrix-cell-card.completed:hover {
    border-color: var(--success);
    box-shadow: 0 8px 20px -8px rgba(16, 185, 129, 0.4);
}

.cell-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.matrix-cell-card.completed:hover .cell-image {
    transform: scale(1.05);
}

/* Completed Hover Overlay */
.cell-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(9, 11, 17, 0.85);
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0.85rem;
    transition: var(--transition-fast);
    backdrop-filter: blur(2px);
}

.matrix-cell-card.completed:hover .cell-overlay {
    opacity: 1;
}

.overlay-badge {
    align-self: flex-start;
    background: var(--grad-success);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.overlay-details {
    text-align: left;
}

.overlay-composition {
    font-family: 'Outfit', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.2rem;
}

.overlay-prompt {
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.overlay-edit-indicator {
    align-self: flex-end;
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Tab 2: Prompt Workspace Styles */
.workspace-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 0.5rem 0;
}

.workspace-title-desc h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.workspace-title-desc h2 i {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.workspace-title-desc p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.prompts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 480px) {
    .prompts-grid {
        grid-template-columns: 1fr;
    }
}

.prompt-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: var(--transition-smooth);
    animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.prompt-card:hover {
    border-color: rgba(var(--primary-rgb), 0.35);
    box-shadow: 0 10px 25px -5px rgba(var(--primary-rgb), 0.1);
}

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

.prompt-card-title-input {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    width: 100%;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    outline: none;
    transition: var(--transition-fast);
}

.prompt-card-title-input:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

.prompt-card-title-input:focus {
    background: rgba(9, 11, 17, 0.5);
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(var(--primary-rgb), 0.1);
}

.prompt-card-body {
    flex-grow: 1;
}

.prompt-card-textarea {
    width: 100%;
    height: 180px;
    background: rgba(9, 11, 17, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.85rem;
    color: var(--text-primary);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.9rem;
    line-height: 1.45;
    resize: none;
    outline: none;
    transition: var(--transition-smooth);
}

.prompt-card-textarea:focus {
    border-color: var(--primary);
    background: rgba(9, 11, 17, 0.6);
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.15);
}

.prompt-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.char-counter {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.char-counter strong {
    color: var(--text-secondary);
}

.prompt-card-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-card-icon {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

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

.btn-card-icon.copy-btn:hover {
    color: var(--success);
    border-color: var(--success);
    background: var(--success-light);
}

.btn-card-icon.delete-btn:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: var(--danger-light);
}

/* Modal Window Structure */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 5, 9, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-card);
    background-image: var(--grad-dark);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    width: 90%;
    max-width: 1350px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), var(--glow-shadow);
    overflow: hidden;
    transform: translateY(30px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.modal-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.close-modal-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: 2rem;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 2rem;
    max-height: 80vh;
    overflow-y: auto;
}

@media (max-width: 680px) {
    .modal-body {
        grid-template-columns: 1fr;
    }
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.form-group label i {
    color: var(--primary);
}

.form-group textarea {
    background: rgba(9, 11, 17, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.75rem 0.85rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.88rem;
    line-height: 1.45;
    resize: none;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.2);
}

.form-group input {
    background: rgba(9, 11, 17, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.65rem 0.85rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.2);
}

/* Image Upload Dropzone */
.modal-uploader {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.modal-uploader label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.modal-uploader label i {
    color: var(--secondary);
}

.dropzone {
    flex-grow: 1;
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    background: rgba(9, 11, 17, 0.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
    text-align: center;
    position: relative;
    cursor: pointer;
    min-height: 220px;
    transition: var(--transition-smooth);
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.04);
}

.cloud-icon {
    font-size: 2.25rem;
    color: var(--text-muted);
    margin-bottom: 0.85rem;
    transition: var(--transition-smooth);
}

.dropzone:hover .cloud-icon, .dropzone.dragover .cloud-icon {
    color: var(--primary);
    transform: translateY(-4px);
}

.dropzone-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

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

.dropzone-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    max-width: 90%;
    margin-top: 0.25rem;
    display: block;
}

.dropzone-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.6rem;
    width: 100%;
}

.dropzone-preview-state {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.dropzone-preview-state img {
    max-width: 100%;
    max-height: 550px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: var(--transition-smooth);
}

.btn-danger-sm {
    background: var(--danger-light);
    border: 1px solid rgba(244, 63, 94, 0.2);
    color: var(--danger);
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition-smooth);
}

.btn-danger-sm:hover {
    background: var(--danger);
    color: var(--text-primary);
    border-color: var(--danger);
}

.modal-footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: flex-end;
}

/* Toast System */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 9999;
}

.toast {
    background: rgba(26, 29, 45, 0.9);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 600;
    min-width: 260px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    animation: slideInLeft 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.toast.success {
    border-left-color: var(--success);
}

.toast.danger {
    border-left-color: var(--danger);
}

.toast.warning {
    border-left-color: var(--warning);
}

.toast-icon {
    font-size: 1.1rem;
}

.toast.success .toast-icon { color: var(--success); }
.toast.danger .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }

/* Footer styling */
.app-footer {
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left, .footer-center, .footer-right {
    display: flex;
    align-items: center;
}

.footer-center {
    justify-content: center;
}

.footer-right {
    justify-content: flex-end;
}

.footer-manual-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    transition: var(--transition-fast);
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.02);
}

.footer-manual-link:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.15);
}

.footer-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    padding: 0.25rem 0.55rem;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    margin-left: 0.6rem;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    outline: none;
}

.footer-btn:hover {
    color: var(--secondary);
    border-color: var(--secondary);
    background: rgba(var(--primary-rgb), 0.05);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.15);
}

/* Save Status Indicator Styling */
#save-status-indicator {
    font-size: 0.78rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.9rem;
    border-radius: 30px;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

#save-status-indicator.save-status-idle {
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.04);
}

#save-status-indicator.save-status-saving {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.15);
    animation: pulseSaveStatus 1.5s infinite ease-in-out;
}

#save-status-indicator.save-status-success {
    color: var(--success);
    background: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.15);
}

#save-status-indicator.save-status-error {
    color: var(--danger);
    background: rgba(244, 63, 94, 0.08);
    border-color: rgba(244, 63, 94, 0.2);
    animation: blinkSaveStatus 1s infinite alternate;
}

#save-status-indicator.save-status-off {
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.01);
    border-color: rgba(255, 255, 255, 0.02);
}

@keyframes pulseSaveStatus {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes blinkSaveStatus {
    from { box-shadow: 0 0 4px rgba(244, 63, 94, 0.1); }
    to { box-shadow: 0 0 12px rgba(244, 63, 94, 0.4); border-color: var(--danger); }
}

/* Header Auto Save Toggle Switch */
.toggle-wrapper {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0 0.65rem;
    height: 38px;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap !important;
}

.toggle-wrapper:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
}

.toggle-wrapper input[type="checkbox"] {
    display: none;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.toggle-wrapper input[type="checkbox"]:checked + .toggle-label {
    color: var(--success);
}

.toggle-wrapper input[type="checkbox"]:not(:checked) + .toggle-label {
    color: var(--text-muted);
}

/* ZIP Option Card Custom Radio Styles */
.zip-option-card {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
}

.zip-option-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary);
}

.zip-option-card input[type="radio"] {
    margin-top: 0.25rem;
    accent-color: var(--primary);
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.option-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.option-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: #fff;
}

.option-example {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.text-vibrant {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: var(--glow-shadow); }
    50% { transform: scale(1.02); box-shadow: 0 0 30px rgba(var(--primary-rgb), 0.45); }
}

.animate-pulse {
    animation: pulse 3s infinite ease-in-out;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideOutRight {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(50px); }
}

.toast.toast-leave {
    animation: slideOutRight 0.3s ease forwards;
}

/* ==========================================================================
   Bulk Image Pool & Drag and Drop Styles
   ========================================================================== */

.image-pool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--card-shadow);
}

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

.pool-title h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.2rem;
}

.pool-title h3 i {
    color: var(--secondary);
}

.pool-title span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.pool-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.pool-dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    background: rgba(9, 11, 17, 0.3);
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.pool-dropzone.dragover {
    border-color: var(--secondary);
    background: rgba(var(--primary-rgb), 0.03);
}

.pool-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    gap: 0.4rem;
    padding: 1.5rem;
    text-align: center;
}

.pool-empty-state i {
    font-size: 1.75rem;
    margin-bottom: 0.2rem;
}

.pool-tray {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.85rem;
    padding: 0.75rem;
    overflow: auto;
    align-items: start;
    max-height: min(34vh, 360px);
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
}

.pool-img-card {
    width: 80px;
    height: 80px; /* Fixed 1:1 square ratio */
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    cursor: grab;
    border: 2px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
    transition: var(--transition-smooth);
    content-visibility: auto;
    contain-intrinsic-size: 80px 80px;
}

.pool-img-card:hover {
    border-color: var(--secondary);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

.pool-img-card:active {
    cursor: grabbing;
}

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

.pool-img-omitted {
    height: 100%;
    display: grid;
    place-content: center;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.65rem;
    background: rgba(255,255,255,0.03);
    line-height: 1.3;
}

.pool-img-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    background: rgba(0,0,0,0.7);
    color: var(--text-secondary);
    border: none;
    width: 18px;
    height: 18px;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.pool-img-card:hover .pool-img-remove {
    opacity: 1;
}

.pool-img-remove:hover {
    color: var(--danger);
    background: #000;
}

/* Drag and Drop Visual Feedback */
.chip[draggable="true"] {
    cursor: grab;
}

.chip.dragging {
    opacity: 0.4;
    border-style: dashed;
    background: rgba(var(--primary-rgb), 0.1);
}

.chip.drag-over {
    border-color: var(--primary) !important;
    background: rgba(var(--primary-rgb), 0.15) !important;
    transform: scale(1.05);
}

.matrix-cell-card.drag-over {
    border-color: var(--secondary) !important;
    background: rgba(var(--primary-rgb), 0.08) !important;
    box-shadow: 0 0 15px rgba(var(--primary-rgb), 0.4);
}

/* New Project Action Button style */
.action-btn.secondary.text-danger:hover {
    color: var(--danger);
    border-color: rgba(244, 63, 94, 0.3) !important;
    background: var(--danger-light) !important;
}

/* Drag and Drop Response Optimization: Disables mouse events on inner elements during dragging */
.matrix-cell-card img,
.matrix-cell-card div,
.matrix-cell-card span,
.matrix-cell-card i,
.matrix-cell-card p {
    pointer-events: none;
}

.pool-img-card img {
    pointer-events: none;
}

.pool-img-card * {
    pointer-events: none;
}

.pool-img-card .pool-img-remove,
.pool-img-card .pool-img-remove i {
    pointer-events: auto;
}

/* Prompt Workspace Actions & Drag and Drop styling */
.workspace-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.prompt-card {
    cursor: grab;
}

.prompt-card:active {
    cursor: grabbing;
}

.prompt-card.dragging {
    opacity: 0.4;
    border-style: dashed;
    background: rgba(var(--primary-rgb), 0.05);
}

.prompt-card.drag-over {
    border-color: var(--primary) !important;
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.2) !important;
    transform: scale(1.02);
}

.prompt-card-index {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    font-size: 0.78rem;
    flex-shrink: 0;
}

/* Prompt Modal specific styles */
.prompt-modal-content {
    max-width: 700px;
}

.modal-body.single-column {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.5rem 2rem;
}

.modal-char-counter {
    background: rgba(9, 11, 17, 0.4);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.modal-char-counter strong {
    color: var(--primary);
}

.btn-card-icon.edit-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}

/* Lightbox Fullscreen Image Inspection Styles */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 5, 8, 0.94);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.lightbox-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9);
    transform: scale(0.93);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lightbox-overlay.active .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 25px;
    right: 35px;
    color: #fff;
    font-size: 2.2rem;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    opacity: 1;
    transform: scale(1.15);
}

.lightbox-caption {
    margin-top: 18px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
}

/* Table Header Drag and Drop Visual States */
.character-header.drag-over, .scene-header.drag-over {
    background: rgba(var(--primary-rgb), 0.25) !important;
    color: var(--primary) !important;
}

.character-header.dragging, .scene-header.dragging {
    opacity: 0.3;
}

/* Header Undo/Redo Divider and Icon Styles */
.header-divider {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.15);
    margin: 0 0.25rem;
}

.action-btn.icon-only {
    padding: 0;
    width: 36px;
    height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

/* ==========================================================================
   Mobile Responsive Adaptations (Strict Mobile Compatibility)
   ========================================================================== */
@media (max-width: 768px) {
    /* Hide button text to prevent double-line wraps and allow grid alignment */
    .btn-text {
        display: none !important;
    }
    
    .app-container {
        padding: 0 0.5rem;
    }
    
    /* App Header stacking and optimization */
    .app-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 1rem;
        margin-top: 0.5rem;
    }
    
    .logo-area {
        justify-content: center;
    }
    
    .tab-nav {
        justify-content: center;
        width: 100%;
    }
    
    .nav-btn {
        flex-grow: 1;
        justify-content: center;
        padding: 0.6rem;
        font-size: 0.85rem;
        gap: 0.3rem;
    }
    
    .header-actions {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.4rem;
        width: 100%;
    }
    
    .header-actions .action-btn {
        padding: 0.6rem;
        min-width: 38px;
        height: 38px;
        justify-content: center;
        gap: 0;
    }
    
    .header-divider {
        display: none;
    }
    
    /* Stats banner stacking */
    .stats-banner {
        flex-direction: column;
        align-items: stretch;
        padding: 0.85rem;
        gap: 0.75rem;
    }
    
    .stat-item {
        width: 100%;
    }
    
    .stat-item.mini {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-left: 0;
        padding-top: 0.6rem;
        min-width: 0;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    /* Matrix Table responsive wrapper touch-scroll physics */
    .matrix-wrapper {
        padding: 0.85rem;
        border-radius: 14px;
        -webkit-overflow-scrolling: touch; /* Kinetic bounce scroll */
    }
    
    .matrix-table {
        border-spacing: 0.5rem;
    }
    
    /* Prompts layout */
    .prompts-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    .prompt-card {
        padding: 1rem;
    }
    
    .prompt-card-textarea {
        height: 140px;
    }
    
    .workspace-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        text-align: center;
    }
    
    .workspace-actions {
        justify-content: center;
    }
    
    /* Modals optimizations */
    .modal-content {
        width: 95%;
        border-radius: 16px;
    }
    
    .modal-body {
        padding: 1rem;
        gap: 1rem;
        max-height: 75vh;
    }
    
    .modal-footer {
        padding: 1rem;
    }
    
    .dropzone-preview-state img {
        max-height: 240px; /* Constrain image height on mobile so modal stays within viewport and scrolls easily */
    }
    
    .dropzone {
        min-height: 160px;
        padding: 1rem;
    }
    
    /* Central toast position on mobile */
    .toast-container {
        left: 50%;
        transform: translateX(-50%);
        right: auto;
        bottom: 1rem;
        width: calc(100% - 2rem);
        max-width: 360px;
        align-items: center;
    }
    
    .toast {
        width: 100%;
        justify-content: center;
    }
    
    /* Footer stacking on mobile */
    .app-footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1.5rem 0;
    }
    
    .footer-left, .footer-center, .footer-right {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
}

.storage-summary {
    color: var(--text-muted);
    font-size: 0.72rem;
    white-space: nowrap;
    padding: 0.25rem 0.45rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.zip-export-options {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255,255,255,0.025);
    font-size: 0.8rem;
}

.zip-export-options select {
    width: 100%;
    padding: 0.55rem;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.zip-metadata-toggle { display: flex; align-items: center; gap: 0.4rem; }
.zip-export-options small { color: var(--text-muted); line-height: 1.45; }

@media (max-width: 640px) {
    .storage-summary { white-space: normal; overflow-wrap: anywhere; }
}

.btn-tag-action {
    font-size: 0.72rem !important;
    padding: 0.15rem 0.45rem !important;
    background: rgba(var(--primary-rgb), 0.15) !important;
    color: var(--primary) !important;
    border: 1px solid rgba(var(--primary-rgb), 0.3) !important;
    border-radius: 4px !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.2rem !important;
    white-space: nowrap !important;
    height: auto !important;
    width: auto !important;
    box-sizing: border-box !important;
    transition: var(--transition-fast) !important;
}

.btn-tag-action:hover {
    background: rgba(var(--primary-rgb), 0.25) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}

/* Custom Scrollbar for Dropdown Menu */
.custom-dropdown-menu {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}
.custom-dropdown-menu::-webkit-scrollbar {
    width: 6px;
}
.custom-dropdown-menu::-webkit-scrollbar-track {
    background: transparent;
}
.custom-dropdown-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}
.custom-dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Theme Overrides */
body.theme-cyan {
    --primary: #06b6d4;         /* Cyan */
    --primary-hover: #0891b2;
    --primary-light: rgba(6, 182, 212, 0.12);
    --secondary: #3b82f6;       /* Blue */
    --secondary-hover: #2563eb;
    --border-color: rgba(6, 182, 212, 0.2);
    --border-color-focus: rgba(6, 182, 212, 0.55);
    --grad-primary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --grad-primary-hover: linear-gradient(135deg, #0891b2 0%, #2563eb 100%);
    --glow-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
}

body.theme-emerald {
    --primary: #10b981;         /* Emerald */
    --primary-hover: #059669;
    --primary-light: rgba(16, 185, 129, 0.12);
    --secondary: #14b8a6;       /* Teal */
    --secondary-hover: #0d9488;
    --border-color: rgba(16, 185, 129, 0.2);
    --border-color-focus: rgba(16, 185, 129, 0.55);
    --grad-primary: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);
    --grad-primary-hover: linear-gradient(135deg, #059669 0%, #0d9488 100%);
    --glow-shadow: 0 0 20px rgba(16, 185, 129, 0.25);
}

body.theme-coral {
    --primary: #f43f5e;         /* Coral Rose */
    --primary-hover: #e11d48;
    --primary-light: rgba(244, 63, 94, 0.12);
    --secondary: #f97316;       /* Orange */
    --secondary-hover: #ea580c;
    --border-color: rgba(244, 63, 94, 0.2);
    --border-color-focus: rgba(244, 63, 94, 0.55);
    --grad-primary: linear-gradient(135deg, #f43f5e 0%, #f97316 100%);
    --grad-primary-hover: linear-gradient(135deg, #e11d48 0%, #ea580c 100%);
    --glow-shadow: 0 0 20px rgba(244, 63, 94, 0.25);
}

body.theme-sakura {
    --primary: #ff79c6;         /* Pink */
    --primary-hover: #ff55bb;
    --primary-light: rgba(255, 121, 198, 0.12);
    --secondary: #bd93f9;       /* Purple */
    --secondary-hover: #a876fa;
    --border-color: rgba(255, 121, 198, 0.2);
    --border-color-focus: rgba(255, 121, 198, 0.55);
    --grad-primary: linear-gradient(135deg, #ff79c6 0%, #bd93f9 100%);
    --grad-primary-hover: linear-gradient(135deg, #ff55bb 0%, #a876fa 100%);
    --glow-shadow: 0 0 20px rgba(255, 121, 198, 0.25);
}

body.theme-sunset {
    --primary: #ffb86c;         /* Orange-Yellow */
    --primary-hover: #ff9950;
    --primary-light: rgba(255, 184, 108, 0.12);
    --secondary: #ff5555;       /* Red */
    --secondary-hover: #ff3333;
    --border-color: rgba(255, 184, 108, 0.2);
    --border-color-focus: rgba(255, 184, 108, 0.55);
    --grad-primary: linear-gradient(135deg, #ffb86c 0%, #ff5555 100%);
    --grad-primary-hover: linear-gradient(135deg, #ff9950 0%, #ff3333 100%);
    --glow-shadow: 0 0 20px rgba(255, 184, 108, 0.25);
}

body.theme-lime {
    --primary: #a3e635;         /* Lime Green */
    --primary-hover: #84cc16;
    --primary-light: rgba(163, 230, 53, 0.12);
    --secondary: #06b6d4;       /* Cyan */
    --secondary-hover: #0891b2;
    --border-color: rgba(163, 230, 53, 0.2);
    --border-color-focus: rgba(163, 230, 53, 0.55);
    --grad-primary: linear-gradient(135deg, #a3e635 0%, #06b6d4 100%);
    --grad-primary-hover: linear-gradient(135deg, #84cc16 0%, #0891b2 100%);
    --glow-shadow: 0 0 20px rgba(163, 230, 53, 0.25);
}

body.theme-plum {
    --primary: #e879f9;         /* Orchid/Plum */
    --primary-hover: #d946ef;
    --primary-light: rgba(232, 121, 249, 0.12);
    --secondary: #6366f1;       /* Indigo */
    --secondary-hover: #4f46e5;
    --border-color: rgba(232, 121, 249, 0.2);
    --border-color-focus: rgba(232, 121, 249, 0.55);
    --grad-primary: linear-gradient(135deg, #e879f9 0%, #6366f1 100%);
    --grad-primary-hover: linear-gradient(135deg, #d946ef 0%, #4f46e5 100%);
    --glow-shadow: 0 0 20px rgba(232, 121, 249, 0.25);
}

/* Settings Page Card Styling */
.setting-radio-option {
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    transition: var(--transition-fast);
}
.setting-radio-option.active {
    background: rgba(99, 102, 241, 0.15) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}

.theme-select-card {
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    transition: var(--transition-fast);
}
.theme-select-card.active {
    background: rgba(255, 255, 255, 0.04) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}

/* Dropdown menu items hover states */
.dropdown-item-btn:hover {
    background: rgba(255, 255, 255, 0.05) !important;
}
.dropdown-item-btn.text-danger:hover {
    background: rgba(244, 63, 94, 0.1) !important;
}

/* StoryMaker V3: rebuilt two-column studio layout */
:root {
    --bg-app: #0b1018;
    --bg-header: #101925;
    --bg-card: #141f2d;
    --bg-card-hover: #1a2a3a;
    --border-color: rgba(151, 170, 191, .16);
    --border-color-focus: rgba(48, 190, 174, .58);
    --primary: #35bea9;
    --primary-hover: #22a992;
    --primary-light: rgba(53, 190, 169, .12);
    --secondary: #85a9f6;
    --grad-primary: linear-gradient(135deg, #31bda7 0%, #428cae 100%);
    --grad-primary-hover: linear-gradient(135deg, #25a994 0%, #367b9b 100%);
    --glow-shadow: 0 8px 22px rgba(36, 170, 152, .17);
    --card-shadow: 0 10px 28px rgba(0,0,0,.22);
    --text-primary: #edf4f8;
    --text-secondary: #9eafbd;
    --text-muted: #718391;
}
body {
    background: var(--bg-app);
    background-image: radial-gradient(ellipse at 80% -20%, rgba(var(--primary-rgb),.08), transparent 45%);
}
.app-container {
    display: grid; grid-template-columns: 236px minmax(0,1fr); gap: 0;
    width: 100%; max-width: none; min-height: 100vh; margin: 0; padding: 0;
}
.app-sidebar {
    height: 100vh; position: sticky; top: 0; align-self: start; z-index: 80;
    display: flex; flex-direction: column; padding: 1.35rem 1rem 1rem;
    background: #101822; border-right: 1px solid rgba(151,170,191,.13);
}
.sidebar-brand { padding: .2rem .55rem 1.8rem; }
.sidebar-brand .logo-area { gap: .65rem; }
.sidebar-brand .logo-icon { font-size: 1.55rem; filter: none; }
.sidebar-brand .logo-text h1 { font-size: 1.05rem; letter-spacing: -.045em; }
.brand-caption { display: block; margin: .3rem 0 0 2.3rem; color: #718391; font-size: .58rem; font-weight: 800; letter-spacing: .13em; }
.sidebar-label { padding: 0 .65rem .55rem; color: #738595; font-size: .64rem; letter-spacing: .12em; font-weight: 800; text-transform: uppercase; }
.tab-nav { display: flex; flex-direction: column; align-items: stretch; gap: .28rem; padding: 0; background: none; border-radius: 0; }
.nav-btn {
    display: flex; align-items: center; justify-content: flex-start; gap: .75rem;
    min-height: 44px; padding: .72rem .8rem; border: 1px solid transparent; border-radius: 9px;
    color: #9eafbd; font-size: .79rem; font-weight: 600; text-align: left; transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.nav-btn i { width: 18px; color: #7f93a3; text-align: center; font-size: .92rem; }
.nav-btn:hover:not(.active) { color: #eaf4f6; background: rgba(255,255,255,.045); }
.nav-btn.active { color: #d9fbf4; background: rgba(var(--primary-rgb),.12); border-color: rgba(var(--primary-rgb),.2); box-shadow: none; }
.nav-btn.active i { color: var(--primary); }
.sidebar-bottom { display: flex; flex-direction: column; gap: .8rem; margin-top: auto; padding: .85rem .35rem .2rem; border-top: 1px solid rgba(151,170,191,.13); }
.sidebar-bottom .toggle-wrapper { justify-content: flex-start; width: 100%; height: auto; min-height: 42px; padding: .45rem .6rem; background: rgba(255,255,255,.035); border: 1px solid rgba(151,170,191,.12); border-radius: 9px; }
.sidebar-bottom .toggle-label { font-size: .72rem; }
.sidebar-manual { display: flex; align-items: center; gap: .55rem; padding: .4rem .55rem; color: #94a5b3; text-decoration: none; font-size: .74rem; }
.sidebar-manual:hover { color: #d9fbf4; }
.sidebar-version { padding: .2rem .55rem; color: #647584; font-size: .57rem; font-weight: 800; letter-spacing: .1em; }
.app-workspace { display: flex; flex-direction: column; min-width: 0; min-height: 100vh; padding: 0 clamp(1rem,2.4vw,2.25rem); }
.workspace-topbar {
    position: sticky; top: 0; z-index: 70; display: flex; align-items: center; justify-content: space-between;
    min-height: 68px; margin: 0 calc(clamp(1rem,2.4vw,2.25rem) * -1); padding: .65rem clamp(1rem,2.4vw,2.25rem);
    background: rgba(11,16,24,.94); border-bottom: 1px solid rgba(151,170,191,.12); backdrop-filter: blur(14px);
}
.topbar-context { display: flex; flex-direction: column; gap: .08rem; }
.topbar-kicker { color: #718391; font-size: .55rem; font-weight: 800; letter-spacing: .14em; }
.topbar-context strong { color: #e3edf1; font-size: .87rem; font-weight: 700; }
.header-actions { display: flex; align-items: center; gap: .45rem; }
.header-actions .action-btn { min-height: 36px; padding: .5rem .8rem; border-radius: 8px; font-size: .73rem; }
.header-actions .icon-only { width: 36px; padding: 0; justify-content: center; }
.topbar-divider { width: 1px; height: 25px; margin: 0 .35rem; background: rgba(151,170,191,.2); }
#btn-download-zip { box-shadow: none; }
#btn-download-zip.animate-pulse { animation: none; }
#project-menu-dropdown { background: #17232f !important; border-color: rgba(151,170,191,.18) !important; }
.stats-banner {
    display: grid; grid-template-columns: minmax(250px,2fr) 1fr 1fr; gap: .8rem;
    margin: 1.15rem 0 1.3rem; padding: .9rem 1rem; background: #111b26;
    border: 1px solid rgba(151,170,191,.13); border-radius: 11px; box-shadow: none;
}
.stat-item { display: flex; align-items: center; gap: .65rem; min-width: 0; padding: .15rem .45rem; }
.stat-item + .stat-item { border-left: 1px solid rgba(151,170,191,.13); padding-left: 1rem; }
.stat-label { color: #8293a0; font-size: .64rem; letter-spacing: .04em; }
.stat-value { color: #e3edf1; font-size: .78rem; font-weight: 700; }
.progress-container { height: 6px; background: #263440; border-radius: 8px; }
.progress-bar { background: linear-gradient(90deg,#36c3ad,#69a8c7); border-radius: 8px; }
.main-content { width: 100%; max-width: 1720px; margin: 0 auto; padding: 0; }
.workflow-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin: .25rem 0 1.15rem; padding: .2rem 0 .75rem; }
.workflow-intro .eyebrow { color: var(--primary); font-size: .61rem; font-weight: 800; letter-spacing: .13em; }
.workflow-intro h1 { margin: .28rem 0 .3rem; color: #f0f5f7; font-size: clamp(1.35rem,2vw,1.8rem); line-height: 1.2; letter-spacing: -.045em; }
.workflow-intro p { color: #91a1ad; font-size: .78rem; }
.workflow-steps { display: flex; align-items: center; gap: .55rem; padding-bottom: .18rem; color: #91a1ad; font-size: .65rem; white-space: nowrap; }
.workflow-steps b { margin-right: .25rem; color: #54cbb7; font-size: .63rem; }
.workflow-steps > i { color: #586b79; font-size: .58rem; }
.setup-grid { gap: .8rem; margin-bottom: .85rem; }
.setup-card, .image-pool-card, .prompt-card, .matrix-wrapper {
    background: #121c27; border: 1px solid rgba(151,170,191,.14); border-radius: 11px; box-shadow: none;
}
.setup-card { padding: .9rem 1rem; }
.setup-card-header h3 { display: flex; align-items: center; gap: .5rem; color: #e2edf0; font-size: .82rem; }
.setup-card-header h3 i { color: var(--primary); }
.step-number { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 6px; background: rgba(var(--primary-rgb),.12); color: var(--primary); font-size: .57rem; font-weight: 800; }
.input-group { margin: .7rem 0 .6rem; }
.input-group input, .input-group select { min-height: 38px; border: 1px solid rgba(151,170,191,.16); border-radius: 7px; background: #0c141d; }
.add-btn { min-width: 38px; min-height: 38px; border-radius: 7px; }
.bulk-add-btn { display: inline-flex; align-items: center; gap: .42rem; padding: .38rem .55rem; border: 1px solid rgba(151,170,191,.14); border-radius: 7px; color: #9aabb7; background: rgba(255,255,255,.025); font-family: inherit; font-size: .66rem; font-weight: 600; cursor: pointer; transition: .15s ease; }
.bulk-add-btn:hover { color: #d9fbf4; border-color: rgba(var(--primary-rgb),.35); background: rgba(var(--primary-rgb),.07); }
.bulk-add-btn i { color: var(--primary); }
.chip-container { gap: .35rem; }
.chip { padding: .3rem .58rem; border-radius: 7px; background: rgba(255,255,255,.035); font-size: .71rem; }
.image-pool-card { margin-bottom: .85rem; padding: .9rem 1rem; }
.pool-collapse-btn { min-height: 34px !important; padding: .42rem .62rem !important; font-size: .67rem !important; }
.image-pool-card.is-collapsed { padding-bottom: .75rem; }
.image-pool-card.is-collapsed #pool-dropzone { display: none; }
.pool-header { align-items: center; margin-bottom: .7rem; }
.pool-title { gap: .25rem; }
.pool-title h3 { display: flex; align-items: center; gap: .5rem; color: #e2edf0; font-size: .84rem; }
.pool-title > span { color: #8495a2; font-size: .69rem; }
.pool-dropzone { min-height: 82px; border: 1px dashed rgba(74,184,169,.28); border-radius: 8px; background: rgba(var(--primary-rgb),.025); }
.pool-empty-state { padding: .8rem 1rem; }
.pool-empty-state > i { color: #5ac7b3; font-size: 1.15rem; }
.pool-empty-state p { font-size: .72rem; }
.matrix-wrapper { max-height: calc(100vh - 320px); min-height: 260px; padding: 0 0 1.5rem !important; }
.matrix-table { border-spacing: .4rem; }
.matrix-table th.character-header { border-radius: 8px; }
.workspace-header { padding: .35rem 0 1rem; }
.workspace-title-desc h2 { color: #eaf1f4; font-size: 1.22rem; letter-spacing: -.03em; }
.workspace-title-desc p { color: #91a1ad; font-size: .77rem; }
.prompt-card { padding: .9rem; }
.settings-grid { grid-template-columns: minmax(0,1.25fr) minmax(280px,1fr) !important; gap: .9rem !important; margin-top: .8rem !important; }
.settings-card { padding: 1.15rem !important; border-color: rgba(151,170,191,.14) !important; border-radius: 11px !important; background: #121c27 !important; }
.settings-card h3 { font-size: .92rem !important; }
.app-footer { margin-top: auto; padding: .8rem .2rem; border-top: 1px solid rgba(151,170,191,.12); gap: .8rem; }
.footer-left, .footer-center, .footer-right { gap: .45rem; }
.storage-summary { color: #b4c3cc; border-color: rgba(151,170,191,.15); background: #111b26; }
#save-status-indicator { padding: .35rem .65rem; }

@media (max-width: 1100px) {
    .app-container { grid-template-columns: 205px minmax(0,1fr); }
    .app-workspace { padding: 0 1rem; }
    .workspace-topbar { margin: 0 -1rem; padding: .65rem 1rem; }
    .workflow-steps { gap: .35rem; }
    .workflow-steps span { font-size: .6rem; }
}
@media (max-width: 760px) {
    .app-container { display: flex; flex-direction: column; }
    .app-sidebar { position: sticky; top: 0; width: 100%; height: auto; padding: .55rem .7rem; border-right: 0; border-bottom: 1px solid rgba(151,170,191,.13); }
    .sidebar-brand { display: none; }
    .sidebar-label, .sidebar-bottom { display: none; }
    .tab-nav { flex-direction: row; justify-content: center; gap: .3rem; }
    .nav-btn { flex: 1 1 0; justify-content: center; min-height: 38px; padding: .45rem .4rem; font-size: .68rem; }
    .nav-btn i { width: auto; }
    .app-workspace { min-height: calc(100vh - 50px); padding: 0 .75rem; }
    .workspace-topbar { min-height: 56px; margin: 0 -.75rem; padding: .55rem .75rem; }
    .topbar-context { display: none; }
    .header-actions { width: 100%; justify-content: flex-end; }
    .header-actions .action-btn { padding: .45rem .6rem; }
    .header-actions .icon-only { width: 34px; }
    .stats-banner { grid-template-columns: 1fr 1fr; margin: .7rem 0 .9rem; padding: .6rem; }
    .stat-item:first-child { grid-column: 1 / -1; }
    .stat-item + .stat-item { border-left: 0; padding-left: .45rem; }
    .workflow-intro { display: block; margin-bottom: .8rem; }
    .workflow-steps { margin-top: .8rem; justify-content: flex-start; }
    .setup-grid { grid-template-columns: 1fr !important; }
    .settings-grid { grid-template-columns: 1fr !important; }
    .pool-header { align-items: flex-start; flex-direction: column; gap: .6rem; }
    .matrix-wrapper { max-height: 65vh; }
    .app-footer { flex-direction: column; text-align: center; }
    .footer-left, .footer-center, .footer-right { width: 100%; justify-content: center; flex-wrap: wrap; }
}
@media (max-width: 460px) {
    .nav-btn { font-size: 0; gap: 0; }
    .nav-btn i { font-size: .95rem; }
    .workflow-steps { flex-wrap: wrap; }
    .header-actions .action-btn:not(.icon-only) .btn-text { display: none; }
    .topbar-divider { margin: 0 .1rem; }
}

.storage-summary { color: #b8c6d9; border-color: rgba(56,189,248,.2); background: rgba(56,189,248,.055); }
#save-status-indicator { padding: .35rem .65rem; }

/* Image replacement marks and review workspace */
.matrix-cell-card.needs-image-review {
    border: 4px solid #f05262 !important;
    box-shadow: 0 0 0 2px rgba(240,82,98,.2), 0 0 18px rgba(240,82,98,.22) !important;
}
.matrix-cell-card.needs-image-review::after {
    content: "확인 필요";
    position: absolute; top: 7px; right: 7px; z-index: 4;
    padding: .2rem .38rem; border-radius: 5px; background: #d83d50;
    color: #fff; font-size: .62rem; font-weight: 800; letter-spacing: -.02em;
}
.review-intro { display:flex; justify-content:space-between; align-items:flex-end; gap:1rem; margin:.4rem 0 1rem; }
.review-intro .eyebrow { color:var(--primary); font-size:.63rem; font-weight:800; letter-spacing:.13em; }
.review-intro h1 { margin:.25rem 0; color:#eff5f7; font-size:clamp(1.35rem,2vw,1.8rem); }
.review-intro p { color:#91a1ad; font-size:.8rem; }
.review-intro h1 i { color:var(--primary); font-size:.9em; }
.review-counts { display:flex; gap:.45rem; }
.review-counts span { padding:.42rem .62rem; border:1px solid rgba(151,170,191,.16); border-radius:7px; color:#b7c5ce; background:#111b26; font-size:.72rem; font-weight:700; white-space:nowrap; }
.review-counts span:first-child { color:#ff8590; border-color:rgba(240,82,98,.28); background:rgba(240,82,98,.07); }
.review-toolbar { display:flex; align-items:center; gap:.65rem; flex-wrap:wrap; margin-bottom:.8rem; padding:.75rem; border:1px solid rgba(151,170,191,.14); border-radius:10px; background:#111b26; }
.review-filter-label { color:#91a1ad; font-size:.74rem; }
.review-filter { min-height:36px; padding:.4rem .65rem; border:1px solid rgba(151,170,191,.2); border-radius:7px; color:#e3edf1; background:#0c141d; font:inherit; font-size:.74rem; }
.review-hint { margin-left:auto; color:#8596a2; font-size:.68rem; }
.review-hint i { color:var(--primary); }
.review-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(142px,1fr)); gap:.6rem; }
.review-card { min-width:0; overflow:hidden; padding:0; border:2px solid rgba(151,170,191,.14); border-radius:9px; color:#dfe8ec; background:#111b26; text-align:left; cursor:pointer; transition:border-color .14s,transform .14s,background .14s; }
.review-card:hover { transform:translateY(-2px); border-color:rgba(83,200,180,.55); }
.review-card.marked { border:4px solid #f05262; background:rgba(240,82,98,.07); }
.review-card-media { display:flex; min-height:116px; aspect-ratio:1.25; align-items:center; justify-content:center; flex-direction:column; gap:.35rem; overflow:hidden; color:#768894; background:#0b131b; }
.review-card-media img { width:100%; height:100%; object-fit:contain; }
.review-card-media > i { font-size:1.35rem; color:#687a86; }
.review-card-media small { font-size:.65rem; }
.review-card-label { display:block; overflow:hidden; padding:.5rem .5rem .2rem; color:#dce6ea; font-size:.68rem; font-weight:700; text-overflow:ellipsis; white-space:nowrap; }
.review-card-flag { display:block; padding:0 .5rem .5rem; color:#92a3ae; font-size:.62rem; }
.review-card.marked .review-card-flag { color:#ff8792; font-weight:800; }
.review-empty { grid-column:1/-1; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:.45rem; min-height:190px; border:1px dashed rgba(151,170,191,.2); border-radius:10px; color:#8899a5; text-align:center; }
.review-empty i { color:#ee6876; font-size:1.4rem; }
.review-empty strong { color:#dce6ea; font-size:.85rem; }
.review-empty span { font-size:.72rem; }
.review-pagination { display:flex; justify-content:center; align-items:center; gap:.7rem; margin:.9rem 0; color:#93a3ae; font-size:.72rem; }
.review-player { position:relative; margin:1rem 0; padding:1rem; border:1px solid rgba(83,200,180,.28); border-radius:12px; background:#101a24; }
.review-player[hidden] { display:none; }
.review-player-head { display:flex; align-items:center; justify-content:space-between; color:#aebdc6; font-size:.75rem; }
.review-player-stage { display:grid; place-items:center; min-height:clamp(260px,60vh,720px); margin:.65rem 0; border-radius:8px; background:#080e14; }
.review-player-stage img { display:block; max-width:100%; max-height:70vh; object-fit:contain; }
.review-player-empty { display:flex; flex-direction:column; align-items:center; gap:.7rem; color:#91a1ad; }
.review-player-empty i { color:#e96675; font-size:2rem; }
.review-player-caption { padding:.35rem 0 .75rem; color:#dce6ea; font-size:.8rem; text-align:center; }
.review-player-controls { display:flex; justify-content:center; gap:.5rem; }
#save-status-indicator.save-status-error { max-width:min(580px,90vw); white-space:normal; line-height:1.35; }

@media (max-width:760px) {
    .review-intro { align-items:flex-start; flex-direction:column; }
    .review-toolbar { align-items:flex-start; }
    .review-hint { width:100%; margin-left:0; }
    .review-grid { grid-template-columns:repeat(auto-fill,minmax(112px,1fr)); gap:.45rem; }
    .review-card-media { min-height:88px; }
}

@media (max-width: 1100px) {
    .app-header { position: relative; top: auto; }
    .app-header { justify-content: center; }
    .tab-nav { order: 3; width: 100%; justify-content: center; flex-wrap: wrap; }
    .header-actions { justify-content: center; flex-wrap: wrap; }
}
@media (max-width: 640px) {
    .app-container { padding: 0 .65rem; }
    .app-header { padding: .7rem; border-radius: 12px; }
    .tab-nav { justify-content: stretch; }
    .nav-btn { flex: 1 1 calc(50% - .35rem); justify-content: center; }
    .stats-banner { padding: .8rem; }
    .app-footer { padding: .8rem; }
}

/* Shared theme tokens for the complete V3 workspace. */
:root { --primary-rgb: 53, 190, 169; }
body {
    background-color: var(--bg-app) !important;
    background-image: radial-gradient(ellipse at 80% -20%, rgba(var(--primary-rgb), .08), transparent 45%) !important;
}
.app-sidebar, .workspace-topbar, .setup-card, .prompt-card, .matrix-wrapper,
.stats-banner, .review-toolbar, .review-player {
    background-color: var(--bg-card) !important;
}
.nav-btn.active {
    color: var(--text-primary) !important;
    background: rgba(var(--primary-rgb), .13) !important;
    border-color: rgba(var(--primary-rgb), .28) !important;
}
.nav-btn.active i, .setup-card-header h3 i, .step-number { color: var(--primary) !important; }
.step-number { background: rgba(var(--primary-rgb), .12) !important; }
.image-check-mode.image-check-on { color: var(--primary) !important; border-color: rgba(var(--primary-rgb), .5) !important; background: rgba(var(--primary-rgb), .16) !important; }
.auto-save-control {
    display: flex; flex-direction: column; gap: .35rem; width: 100%; padding: .55rem .6rem;
    color: var(--text-secondary); background: rgba(255,255,255,.035); border: 1px solid var(--border-color); border-radius: 9px;
    font-size: .68rem; font-weight: 700;
}
.auto-save-control > span { display: flex; align-items: center; gap: .4rem; }
.auto-save-control > span i { color: var(--primary); }
.auto-save-control select { width: 100%; min-height: 32px; padding: .35rem .45rem; color: var(--text-primary); background: var(--bg-app); border: 1px solid var(--border-color); border-radius: 6px; font: inherit; }
.setting-radio-option.active, .theme-select-card.active { background: rgba(var(--primary-rgb), .14) !important; border-color: var(--primary) !important; }
.theme-select-card input[type="radio"] { accent-color: var(--primary) !important; }
.matrix-table th.character-header { border-color: rgba(var(--primary-rgb), .22); }
.matrix-cell-card:hover { border-color: var(--primary); box-shadow: 0 8px 20px -8px rgba(var(--primary-rgb), .28); }
.review-card:hover { border-color: rgba(var(--primary-rgb), .62); }
.review-player { border-color: rgba(var(--primary-rgb), .32); }
.review-player-controls { flex-wrap: wrap; }
.storage-summary { max-width: 100%; white-space: normal; }

.zip-progress-panel {
    position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 10050; width: min(340px, calc(100vw - 2rem));
    padding: .85rem 1rem; border: 1px solid var(--border-color); border-radius: 12px;
    background: var(--bg-card); color: var(--text-primary); box-shadow: 0 12px 36px rgba(0,0,0,.35);
}
.zip-progress-panel[hidden] { display: none; }
.zip-progress-panel > div { display: flex; justify-content: space-between; align-items: center; gap: .75rem; margin-bottom: .55rem; font-size: .82rem; }
.zip-progress-panel progress { display: block; width: 100%; height: 10px; accent-color: var(--primary); }
.nai-data-grid > #nai-character-column { grid-column: 2; grid-row: 1; }
@media (max-width: 760px) {
    .nai-data-grid { grid-template-columns: minmax(0, 1fr) !important; }
    .nai-data-grid > #nai-character-column { grid-column: 1; grid-row: auto; }
}