@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');
@import url('https://fonts.cdnfonts.com/css/tetris');

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            padding: 20px;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            box-shadow: var(--md-sys-elevation-level1);
            overflow: hidden;
        }

        .header {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            padding: 30px;
            text-align: center;
            border-radius: 16px 16px 0 0;
            position: relative;
        }

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.title-8bit {
    --logo-fg: #ffffff;
    --logo-shadow-left: rgba(0, 0, 0, 0.85);
    --logo-shadow-right: rgba(200, 200, 200, 0.9);
    --logo-slice-top: rgba(255, 255, 255, 0.85);
    --logo-slice-bottom: rgba(160, 160, 160, 0.7);
    display: inline-block;
    position: relative;
    padding: 0.4rem 0.6rem;
    font-family: 'Press Start 2P', 'Tetris', 'Lucida Console', 'Monaco', monospace;
    font-size: clamp(1.3rem, 4.2vw, 2.8rem);
    line-height: 1.05;
    letter-spacing: 0.38rem;
    text-transform: uppercase;
    color: var(--logo-fg);
    background: transparent;
    text-shadow:
        0 0 0 #04070a,
        4px 0 var(--logo-shadow-right),
        -4px 0 var(--logo-shadow-left),
        0 4px rgba(0, 0, 0, 0.7);
    image-rendering: pixelated;
    animation: title8bitBlink 5s steps(1) infinite;
}

.title-8bit::before,
.title-8bit::after {
    content: attr(data-title);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    font-family: inherit;
    letter-spacing: inherit;
    pointer-events: none;
}

.title-8bit::before {
    color: var(--logo-slice-top);
    transform: translate(-4px, 0);
    opacity: 0.6;
    clip-path: inset(0 0 60% 0);
    animation: title8bitSliceA 3.4s steps(3) infinite;
}

.title-8bit::after {
    color: var(--logo-slice-bottom);
    transform: translate(3px, 2px);
    opacity: 0.45;
    clip-path: inset(45% 0 0 0);
    animation: title8bitSliceB 4.1s steps(4) infinite;
}

@keyframes title8bitBlink {
    0%, 88%, 100% {
        opacity: 1;
        filter: contrast(105%);
        transform: translateX(0);
    }
    89% {
        opacity: 0.85;
        filter: contrast(120%);
        transform: translateX(-2px);
    }
    90% {
        opacity: 1;
        filter: contrast(130%);
        transform: translateX(2px);
    }
    91% {
        transform: translateX(0);
        filter: contrast(105%);
    }
}

@keyframes title8bitSliceA {
    0%, 20%, 100% {
        transform: translate(-4px, 0);
        opacity: 0.6;
    }
    8% {
        transform: translate(-6px, -2px);
        opacity: 0.4;
    }
    50% {
        transform: translate(-3px, -4px);
        opacity: 0.55;
    }
    64% {
        transform: translate(-5px, -1px);
        opacity: 0.35;
    }
}

@keyframes title8bitSliceB {
    0%, 30%, 100% {
        transform: translate(3px, 2px);
        opacity: 0.45;
    }
    15% {
        transform: translate(4px, 4px);
        opacity: 0.25;
    }
    47% {
        transform: translate(1px, 6px);
        opacity: 0.4;
    }
    70% {
        transform: translate(5px, 3px);
        opacity: 0.3;
    }
}

@media (prefers-reduced-motion: reduce) {
    .title-8bit,
    .title-8bit::before,
    .title-8bit::after {
        animation: none !important;
        transform: none !important;
    }
}

        .header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .main-content {
            padding: 30px;
            background: var(--bg-tertiary);
        }

        .format-info {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 8px 12px;
            margin-bottom: 10px;
            font-size: 0.8rem;
            color: var(--text-primary);
        }

        .format-info h4 {
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .xlsx-upload-area {
            border: 3px dashed var(--border-color);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            margin-bottom: 10px;
            transition: all 0.3s ease;
            cursor: pointer;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
        }

        .xlsx-upload-area:hover {
            border-color: var(--button-bg);
            background: var(--bg-tertiary);
        }

        .xlsx-upload-area.dragover {
            border-color: var(--button-bg);
            background: var(--bg-tertiary);
            transform: scale(1.02);
        }

        .upload-icon {
            font-size: 2rem;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .upload-text {
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .btn-secondary {
            display: inline-block;
            padding: 10px 20px;
            font-weight: 600;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            overflow: hidden;
            font-size: 0.9rem;
            /* Адаптивный градиент как в референсе */
            color: var(--text-primary);
            background: var(--bg-tertiary);
            background-size: 300% 100%;
            background-position: 0% 0%;
            transition: all 0.4s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            background-position: 100% 0%;
            color: var(--button-text-hover);
        }

        .file-input {
            display: none;
        }

        /* === CONTAINER === */
        .container {
            max-width: 1800px; /* Увеличенная ширина для крупного масштаба 3x4 */
            margin: 0 auto;
            padding: 32px; /* Увеличенный padding */
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 20px; /* Увеличенный радиус */
            box-shadow: 0 4px 12px var(--shadow-color);
        }
        
        .header {
            text-align: center;
            margin-bottom: 32px; /* Увеличенный отступ */
        }

        .sheet-selector {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px var(--shadow-color);
        }

        .section-title {
            font-size: 1.3rem;
            font-weight: bold;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* === РЕФЕРЕНСНАЯ СИСТЕМА ПЕРЕМЕННЫХ === */
        :root {
            /* СТРОГО ЧЕРНО-БЕЛАЯ ТЕМА (по умолчанию) */
            --bg-primary: #000000; /* Figma Black */
            --bg-secondary: #0F0F0F; /* Figma Black 95 */
            --bg-tertiary: #1A1A1A; /* Figma Black 90 */
            --text-primary: #FFFFFF;
            --text-secondary: #A3A3A3; /* Figma Neutral 400 */
            --text-contrast: #FFFFFF;
            --text-dark: #000000;
            --border-color: #262626; /* Figma Neutral 800 */
            --border-hover: #999999;
            --button-bg-start: #FFFFFF;
            --button-bg-mid: #CCCCCC;
            --button-bg-end: #666666;
            --button-text: #000000;
            --button-text-hover: #FFFFFF;
            --shadow-color: rgba(0, 0, 0, 0.25);
            --accent-color: #000000; /* Minimalist black accent */
            --success-bg: #FFFFFF;
            --error-bg: #FFFFFF;
            --warning-bg: #FFFFFF;
            --info-bg: #FFFFFF;
            
            /* Языковые цвета для темной темы */
            
            /* Новые языковые семейства */
            
            /* Языковые цвета с низкой прозрачностью для выделения */
            
            /* Новые selection backgrounds */
            
            /* 🔥 NEW: MD3 Design Tokens (from reference simple-cards.html) */
            /* Primary Palette */
            
            /* Neutral Palette */
            
            /* State Layers */
            
            /* Motion Tokens */
            
            /* Typography Scale */
        }

        /* СТРОГО ЧЕРНО-БЕЛАЯ СВЕТЛАЯ ТЕМА */
[data-theme="light"] {
    /* FIGMA WHITE THEME - Minimalist Design */
    --bg-primary: #FFFFFF; /* Figma White */
            --bg-secondary: #F9F9F9; /* Figma Neutral 50 */
            --bg-tertiary: #F3F4F6; /* Figma Neutral 100 */
            --text-primary: #000000;
            --text-secondary: #6B7280; /* Figma Neutral 500 */
            --text-contrast: #000000;
            --text-dark: #FFFFFF;
            --border-color: #E5E7EB; /* Figma Neutral 200 */
            --border-hover: #999999;
            --button-bg-start: #000000;
            --button-bg-mid: #666666;
            --button-bg-end: #CCCCCC;
            --button-text: #FFFFFF;
            --button-text-hover: #000000;
            --shadow-color: rgba(0, 0, 0, 0.1);
            --accent-color: #000000; /* Minimalist black accent */
            --success-bg: #000000;
            --error-bg: #000000;
            --warning-bg: #000000;
            --info-bg: #000000;
            
            /* Языковые цвета для светлой темы */
            
            /* Новые языковые семейства для светлой темы */
            
            /* Языковые цвета с низкой прозрачностью для выделения */
            
            /* Новые selection backgrounds для светлой темы */
}

[data-theme="light"] .title-8bit {
    --logo-fg: #000000;
    --logo-shadow-left: rgba(255, 255, 255, 0.9);
    --logo-shadow-right: rgba(60, 60, 60, 0.85);
    --logo-slice-top: rgba(0, 0, 0, 0.8);
    --logo-slice-bottom: rgba(130, 130, 130, 0.65);
}
        
        /* === ТЕМНЫЙ СКРОЛЛ ДЛЯ ЧЕРНОЙ ТЕМЫ === */
        :root {
            scrollbar-width: thin;
            scrollbar-color: #404040 #1A1A1A;
        }

        ::-webkit-scrollbar {
            width: 12px;
            height: 12px;
        }

        ::-webkit-scrollbar-track {
            background: #1A1A1A;
        }

        ::-webkit-scrollbar-thumb {
            background: #404040;
            border-radius: 6px;
            border: 2px solid #1A1A1A;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #505050;
        }

        ::-webkit-scrollbar-corner {
            background: #1A1A1A;
        }

        /* Светлая тема - светлый скролл */
        [data-theme="light"] {
            scrollbar-color: #D1D5DB #F3F4F6;
        }

        [data-theme="light"] ::-webkit-scrollbar-track {
            background: #F3F4F6;
        }

        [data-theme="light"] ::-webkit-scrollbar-thumb {
            background: #D1D5DB;
            border: 2px solid #F3F4F6;
        }

        [data-theme="light"] ::-webkit-scrollbar-thumb:hover {
            background: #9CA3AF;
        }

        [data-theme="light"] ::-webkit-scrollbar-corner {
            background: #F3F4F6;
        }

        /* === СТРОГО ЧЕРНО-БЕЛОЕ МОДАЛЬНОЕ ОКНО ЭКСПОРТА/ИМПОРТА === */
        #translationExportDialog {
            background: rgba(0, 0, 0, 0.8) !important;
        }

        #translationExportDialog > div {
            background: #000000 !important;
            border: 2px solid #FFFFFF !important;
            box-shadow: 0 0 50px rgba(255, 255, 255, 0.1) !important;
        }

        #translationExportDialog .gradient-header {
            background: #000000 !important;
            background-image: none !important;
            border-bottom: 2px solid #FFFFFF !important;
        }

        #translationExportDialog h3 {
            color: #FFFFFF !important;
        }

        #translationExportDialog p {
            color: #CCCCCC !important;
        }

        #translationExportDialog .info-section {
            background: #111111 !important;
            border: 1px solid #333333 !important;
        }

        #translationExportDialog strong {
            color: #FFFFFF !important;
        }

        #translationExportDialog code {
            background: #222222 !important;
            color: #FFFFFF !important;
            border: 1px solid #444444 !important;
        }

        #translationExportDialog textarea {
            background: #000000 !important;
            color: #FFFFFF !important;
            border: 2px solid #333333 !important;
        }

        #translationExportDialog textarea:focus {
            border-color: #FFFFFF !important;
            outline: none !important;
            box-shadow: 0 0 0 1px #FFFFFF !important;
        }

        /* Скролл внутри textarea в модальном окне */
        #translationExportDialog textarea::-webkit-scrollbar {
            width: 8px;
        }

        #translationExportDialog textarea::-webkit-scrollbar-track {
            background: #111111;
        }

        #translationExportDialog textarea::-webkit-scrollbar-thumb {
            background: #444444;
            border-radius: 4px;
        }

        #translationExportDialog textarea::-webkit-scrollbar-thumb:hover {
            background: #555555;
        }

        #translationExportDialog button {
            background: #FFFFFF !important;
            color: #000000 !important;
            border: 1px solid #FFFFFF !important;
        }

        #translationExportDialog button:hover {
            background: #CCCCCC !important;
            color: #000000 !important;
        }

        #translationExportDialog .accent-button {
            background: #FFFFFF !important;
            color: #000000 !important;
            font-weight: bold !important;
        }

        #translationExportDialog .close-button {
            background: #000000 !important;
            color: #FFFFFF !important;
            border: 1px solid #FFFFFF !important;
        }

        #translationExportDialog .close-button:hover {
            background: #333333 !important;
        }

        /* Светлая тема для модального окна */
        [data-theme="light"] #translationExportDialog {
            background: rgba(255, 255, 255, 0.8) !important;
        }

        [data-theme="light"] #translationExportDialog > div {
            background: #FFFFFF !important;
            border: 2px solid #000000 !important;
            box-shadow: 0 0 50px rgba(0, 0, 0, 0.1) !important;
        }

        [data-theme="light"] #translationExportDialog .gradient-header {
            background: #FFFFFF !important;
            border-bottom: 2px solid #000000 !important;
        }

        [data-theme="light"] #translationExportDialog h3 {
            color: #000000 !important;
        }

        [data-theme="light"] #translationExportDialog p {
            color: #666666 !important;
        }

        [data-theme="light"] #translationExportDialog .info-section {
            background: #F9F9F9 !important;
            border: 1px solid #CCCCCC !important;
        }

        [data-theme="light"] #translationExportDialog strong {
            color: #000000 !important;
        }

        [data-theme="light"] #translationExportDialog code {
            background: #F3F4F6 !important;
            color: #000000 !important;
            border: 1px solid #CCCCCC !important;
        }

        [data-theme="light"] #translationExportDialog textarea {
            background: #FFFFFF !important;
            color: #000000 !important;
            border: 2px solid #CCCCCC !important;
        }

        [data-theme="light"] #translationExportDialog textarea:focus {
            border-color: #000000 !important;
            box-shadow: 0 0 0 1px #000000 !important;
        }

        /* Скролл внутри textarea в светлой теме */
        [data-theme="light"] #translationExportDialog textarea::-webkit-scrollbar {
            width: 8px;
        }

        [data-theme="light"] #translationExportDialog textarea::-webkit-scrollbar-track {
            background: #F9F9F9;
        }

        [data-theme="light"] #translationExportDialog textarea::-webkit-scrollbar-thumb {
            background: #CCCCCC;
            border-radius: 4px;
        }

        [data-theme="light"] #translationExportDialog textarea::-webkit-scrollbar-thumb:hover {
            background: #999999;
        }

        [data-theme="light"] #translationExportDialog button {
            background: #000000 !important;
            color: #FFFFFF !important;
            border: 1px solid #000000 !important;
        }

        [data-theme="light"] #translationExportDialog button:hover {
            background: #333333 !important;
        }

        [data-theme="light"] #translationExportDialog .close-button {
            background: #FFFFFF !important;
            color: #000000 !important;
            border: 1px solid #000000 !important;
        }

        [data-theme="light"] #translationExportDialog .close-button:hover {
            background: #F3F4F6 !important;
        }

        /* === THEME SWITCHER === */
        .theme-toggle {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1000;
            background: var(--bg-tertiary);
            border: 2px solid var(--text-secondary);
            border-radius: 25px;
            padding: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 15px var(--shadow-color);
        }

        .theme-toggle:hover {
            border-color: var(--text-primary);
            box-shadow: 0 6px 20px var(--shadow-color);
        }

        .theme-toggle:hover .theme-icon {
            transform: scale(1.1);
        }

        .theme-icon {
            width: 24px;
            height: 24px;
            color: var(--text-primary);
            transition: transform 0.3s ease;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .sheet-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-template-rows: repeat(3, 1fr);
            gap: 24px;
            margin-top: 20px;
            max-width: 1600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Coordinator card spans first position */
        .coordinator-card {
            grid-column: 1;
            grid-row: 1;
        }
        
        /* Responsive adjustments for smaller screens */
        @media (max-width: 1200px) {
            .sheet-grid {
                gap: 16px;
                max-width: 900px;
            }
        }
        
        @media (max-width: 768px) {
            .sheet-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: repeat(6, 1fr);
                gap: 12px;
            }
        }

        /* ✨ LANGUAGE TABS SYSTEM STYLES ✨ */
        .language-tabs-container {
            margin-top: 20px;
        }

        .language-tabs {
            display: flex;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 4px;
            margin-bottom: 20px;
            border: 1px solid var(--border-color);
        }

        .tab-button {
            flex: 1;
            padding: 12px 20px;
            background: transparent;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .tab-button:hover {
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .tab-button.active {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .tab-content {
            position: relative;
        }

        .tab-pane {
            display: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .tab-pane.active {
            display: block;
            opacity: 1;
        }

        /* === РЕФЕРЕНСНЫЕ КАРТОЧКИ === */
        .sheet-card,
        .md3-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            min-height: 180px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            overflow: hidden;
            box-shadow: 0 4px 12px var(--shadow-color);
        }
        
        /* Progress Background Fill */
        .sheet-card::after,
        .md3-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            transition: all 0.1s ease-out;
            z-index: 1;
            /* Use clip-path without rounded corners to avoid white edges */
            clip-path: inset(0 calc(100% - var(--card-progress, 0%)) 0 0);
        }
        
        /* Card Content Above Progress */
        .sheet-card > *,
        .md3-card > * {
            position: relative;
            z-index: 2;
        }
        
        /* 🔥 ENHANCED Hover эффект (from reference simple-cards.html) */
        .sheet-card:hover,
        .md3-card:hover {
            border-color: var(--border-hover);
            box-shadow: 0 6px 20px var(--shadow-color);
            /* Additional smooth transform for enhanced card feel */
            transform: translateY(-2px);
        }
        
        /* 🔥 NEW: MD3 Card State Layer System (from reference) */
        .sheet-card::before,
        .md3-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--md-sys-color-on-surface);
            opacity: 0;
            transition: opacity var(--md-sys-motion-duration-short4) ease;
            pointer-events: none;
            border-radius: inherit;
            z-index: 1;
        }
        
        .sheet-card:hover::before,
        .md3-card:hover::before {
            opacity: var(--md-sys-state-hover-opacity);
        }
        
        /* 🔥 NEW: Smooth transitions for all card interactions */
        .sheet-card,
        .md3-card {
            transition: all 300ms var(--md-sys-motion-easing-standard);
        }
        
        /* 🔥 NEW: Enhanced active/pressed state for cards */
        .sheet-card:active,
        .md3-card:active {
            transform: translateY(0px);
            box-shadow: 0 2px 8px var(--shadow-color);
        }
        
        /* 🚨 REMOVED: All selection border and overlay conflicts */
        
        /* === MD3 BUTTON ENHANCED SYSTEM (from reference simple-cards.html) === */
        .card-button {
            /* MD3 Button Foundation - Enhanced with Advanced Hover Logic */
            width: 100%;
            max-width: 100%; /* Prevent expansion beyond container */
            height: 56px; /* Увеличенная высота кнопки для крупного масштаба */
            padding: 0 32px; /* Увеличенный горизонтальный padding */
            font-size: var(--md-sys-typescale-title-medium); /* Увеличенный размер шрифта */
            font-weight: 400; /* MD3 medium weight for better readability */
            letter-spacing: 0.15px; /* Увеличенный letter-spacing */
            line-height: 1; /* Precise line height for perfect centering */
            position: relative;
            overflow: hidden;
            border: none;
            border-radius: 24px; /* Увеличенный радиус для крупного масштаба */
            cursor: pointer;
            transition: all 200ms var(--md-sys-motion-easing-standard);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px; /* Увеличенный gap для крупного масштаба */
            /* Ensure proper touch target and text alignment */
            touch-action: manipulation;
            text-align: center;
            white-space: nowrap; /* Prevent text wrapping */
            box-sizing: border-box;
            background-color: transparent;
            color: var(--md-sys-color-primary);
        }
        
        /* 🔥 ENHANCED MD3 State Layer System for Base Button (from reference) */
        .card-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--md-sys-color-primary);
            opacity: 0;
            transition: opacity 150ms var(--md-sys-motion-easing-standard);
            pointer-events: none;
            z-index: 1;
            border-radius: inherit;
        }
        
        /* 🔥 ENHANCED MD3 Ripple Effect (from reference) */
        .card-button::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 4px;
            background-color: currentColor;
            opacity: 0;
            transform: translate(-50%, -50%);
            transition: all 300ms var(--md-sys-motion-easing-standard);
            pointer-events: none;
            z-index: 2;
        }
        
        /* 🔥 ENHANCED Hover States (from reference) */
        .card-button:hover::before {
            opacity: 0.08; /* MD3 hover state opacity */
        }
        
        .card-button:focus-visible::before {
            opacity: 0.12; /* MD3 focus state opacity */
        }
        
        .card-button:active::before {
            opacity: 0.12; /* MD3 pressed state opacity */
        }
        
        /* 🔥 ENHANCED Ripple animation on click (from reference) */
        .card-button:active::after {
            width: 100px;
            height: 100px;
            opacity: 0.2;
        }
        
        /* 🔥 ENHANCED MD3 Elevation System for Base Button (from reference) */
        .card-button:hover {
            box-shadow: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
            /* Additional smooth transform for enhanced feel */
            transform: translateY(-1px);
        }
        
        .card-button:active {
            box-shadow: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
            /* Pressed state transformation */
            transform: translateY(0px);
        }
        
        /* 🔥 NEW: Enhanced disabled state for better UX */
        .card-button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }
        
        .card-button:disabled::before,
        .card-button:disabled::after {
            display: none;
        }
        
        /* ✅ NEW: MD3 Button Transparent Variant (из референса) */
        .md3-button.transparent {
            background-color: transparent;
            color: var(--md-sys-color-primary);
            border: none;
            box-shadow: none;
        }
        
        .md3-button.transparent::before {
            background-color: var(--md-sys-color-primary);
        }
        
        /* Enhanced focus states for accessibility */
        .card-button:focus-visible,
        .md3-button:focus-visible {
            outline: 2px solid var(--md-sys-color-primary);
            outline-offset: 2px;
        }
        
        /* Features List */
        .features {
            margin-top: 24px;
            padding-top: 16px;
            border-top: 1px solid var(--md-sys-color-outline-variant);
        }
        
        .features ul {
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: var(--md-sys-typescale-label-medium);
            color: var(--md-sys-color-on-surface-variant);
        }
        
        .features li {
            padding: 4px 0;
        }
        
        .features li::before {
            content: '•';
            color: var(--md-sys-color-primary);
            margin-right: 8px;
        }
        
        /* ✅ REMOVED: Status-based border colors - using MD3 language family colors only */
        
        /* ✅ ЯЗЫКОВЫЕ ГРАНИЦЫ И ВЫДЕЛЕНИЕ */
        /* Base card border setup */
        .sheet-card,
        .md3-card {
            --current-border-color: var(--border-color); /* Default fallback */
            --current-selection-color: var(--border-color); /* Default selection */
            border-left: 4px solid var(--current-border-color);
            transition: border-color 200ms ease;
        }
        
        /* Language Family Colors */
        .lang-austronesian {
            --current-border-color: var(--lang-austronesian);
            --current-selection-color: var(--lang-austronesian-selection);
        }
        
        .lang-slavic {
            --current-border-color: var(--lang-slavic);
            --current-selection-color: var(--lang-slavic-selection);
        }
        
        .lang-indo-european {
            --current-border-color: var(--lang-indo-european);
            --current-selection-color: var(--lang-indo-european-selection);
        }
        
        .lang-finno-ugric {
            --current-border-color: var(--lang-finno-ugric);
            --current-selection-color: var(--lang-finno-ugric-selection);
        }
        
        .lang-dravidian {
            --current-border-color: var(--lang-dravidian);
            --current-selection-color: var(--lang-dravidian-selection);
        }
        
        .lang-internet {
            --current-border-color: var(--lang-internet);
            --current-selection-color: var(--lang-internet-selection);
        }
        
        .lang-coordinator {
            --current-border-color: var(--lang-coordinator);
            --current-selection-color: var(--lang-coordinator-selection);
        }
        
        /* ✅ ВЫДЕЛЕНИЕ С ЯЗЫКОВЫМИ ЦВЕТАМИ: Используем цвет языка с низкой прозрачностью */
        
        /* ACTION BUTTON - Inspired by 21st.dev action-button */
        .unified-translate-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 8px;
            font-size: 0.7rem;
            font-weight: 500;
            line-height: 1;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background: var(--bg-tertiary);
            color: var(--text-primary);
            cursor: pointer;
            transition: all 0.15s ease;
            min-width: 60px;
            height: 24px;
        }

        .unified-translate-btn:hover {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            color: var(--text-primary);
            border-color: var(--text-primary);
            transform: translateY(-1px);
            box-shadow: 0 2px 4px var(--shadow-color);
        }

        .unified-translate-btn:active {
            transform: translateY(0);
            box-shadow: 0 1px 2px var(--shadow-color);
        }

        .unified-translate-btn.loading,
        .btn-translate.loading,
        .btn-secondary.loading,
        button.loading,
        .card-button.loading,
        .coordinator-button.loading {
            background: var(--bg-primary);
            color: var(--text-primary);
            cursor: not-allowed;
            /* Минималистичная черно-белая анимация */
            border: 1px solid var(--text-primary) !important;
            opacity: 0.7;
            animation: minimalPulse 2s ease-in-out infinite;
        }

        .unified-translate-btn.regenerate {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }

        .unified-translate-btn.regenerate:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: var(--text-primary);
        }
        
        .unified-translate-btn.regenerating,
        .btn-translate.regenerating,
        .btn-secondary.regenerating,
        button.regenerating {
            background: var(--bg-tertiary) !important;
            border: 1px solid var(--text-primary) !important;
            color: var(--text-primary) !important;
            cursor: not-allowed !important;
            opacity: 0.7;
            animation: minimalPulse 2s ease-in-out infinite;
        }
        
        .unified-translate-btn.regenerating .btn-text,
        .btn-translate.regenerating .btn-text,
        .btn-secondary.regenerating .btn-text,
        button.regenerating .btn-text {
            opacity: 0;
            visibility: hidden;
        }
        
        .unified-translate-btn.regenerating .btn-spinner,
        .btn-translate.regenerating .btn-spinner,
        .btn-secondary.regenerating .btn-spinner,
        button.regenerating .btn-spinner {
            opacity: 1;
            visibility: visible;
            color: var(--text-primary);
        }
        
        .unified-translate-btn .btn-text,
        .btn-translate .btn-text,
        .btn-secondary .btn-text,
        button .btn-text,
        .card-button .btn-text,
        .coordinator-button .btn-text {
            transition: opacity 0.2s ease;
        }
        
        .unified-translate-btn .btn-spinner,
        .btn-translate .btn-spinner,
        .btn-secondary .btn-spinner,
        button .btn-spinner,
        .card-button .btn-spinner,
        .coordinator-button .btn-spinner {
            position: absolute;
            opacity: 0;
            animation: spin 1s linear infinite;
            transition: opacity 0.2s ease;
            font-size: 1.2rem;
            left: 50%;
            transform: translateX(-50%);
            color: var(--text-primary);
            display: none;
        }
        
        .unified-translate-btn.loading .btn-text,
        .btn-translate.loading .btn-text,
        .btn-secondary.loading .btn-text,
        button.loading .btn-text,
        .card-button.loading .btn-text,
        .coordinator-button.loading .btn-text {
            opacity: 0;
            visibility: hidden;
        }
        
        .unified-translate-btn.loading .btn-spinner,
        .btn-translate.loading .btn-spinner,
        .btn-secondary.loading .btn-spinner,
        button.loading .btn-spinner,
        .card-button.loading .btn-spinner,
        .coordinator-button.loading .btn-spinner {
            opacity: 1;
            visibility: visible;
        }
        
        .unified-translate-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }
        
        /* ✅ REMOVED: Success indicator styles (по просьбе пользователя) */
        
        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        @keyframes minimalPulse {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 0.9; }
        }

        /* 🎬 SRT TEXT INPUT AREA STYLES */
        .srt-text-section {
            margin-top: 15px;
            margin-bottom: 20px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: var(--bg-secondary);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .srt-text-toggle {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            cursor: pointer;
            background: var(--bg-tertiary);
            border-radius: 12px 12px 0 0;
            transition: all 0.3s ease;
            user-select: none;
        }

        .srt-text-toggle:hover {
            background: var(--bg-primary);
        }

        .toggle-icon {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

        .toggle-text {
            flex: 1;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .toggle-arrow {
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: transform 0.3s ease;
        }

        .srt-text-toggle.expanded .toggle-arrow {
            transform: rotate(180deg);
        }

        .srt-text-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .srt-text-content.collapsed {
            max-height: 0;
            padding: 0;
        }

        .srt-text-content.expanded {
            max-height: 400px;
            padding: 20px;
        }

        .srt-text-inner {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        #srtTextInput {
            width: 100%;
            min-height: 200px;
            max-height: 300px;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
            font-size: 0.85rem;
            line-height: 1.4;
            resize: vertical;
            transition: all 0.3s ease;
        }

        #srtTextInput:focus {
            border-color: var(--border-hover);
            outline: none;
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
        }

        .srt-text-controls {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .srt-text-help {
            color: var(--text-secondary);
            font-style: italic;
            margin-left: auto;
        }

        /* 🎬 SRT PROCESSING ANIMATION */
        .srt-text-section.processing {
            border-color: var(--text-primary);
            animation: minimalPulse 2s infinite;
        }

        .srt-text-section.processing .toggle-icon {
            animation: spin 1s linear infinite;
        }

        @media (max-width: 768px) {
            .srt-text-controls {
                flex-direction: column;
                align-items: stretch;
            }

            .srt-text-help {
                margin-left: 0;
                text-align: center;
                margin-top: 5px;
            }

            #srtTextInput {
                min-height: 150px;
            }

            .srt-text-content.expanded {
                max-height: 300px;
                padding: 15px;
            }
        }
        .sheet-card.selected,
        .md3-card.selected {
            background-color: var(--current-selection-color);
            box-shadow: 0 6px 20px var(--shadow-color);
            border-color: var(--current-border-color); /* Сохраняем оригинальный цвет границы */
        }

/* Row selection removed */
        
        /* Progress Colors by Language Family */
        .lang-austronesian::after {
            background-color: var(--lang-austronesian);
        }
        
        .lang-slavic::after {
            background-color: var(--lang-slavic);
        }
        
        .lang-indo-european::after {
            background-color: var(--lang-indo-european);
        }
        
        .lang-finno-ugric::after {
            background-color: var(--lang-finno-ugric);
        }
        
        .lang-dravidian::after {
            background-color: var(--lang-dravidian);
        }
        
        .lang-internet::after {
            background-color: var(--lang-internet);
        }
        
        .lang-coordinator::after {
            background-color: var(--lang-coordinator);
        }
        
        /* Complete cards get full background color */
        .lang-austronesian.complete {
            background-color: var(--lang-austronesian);
        }
        
        .lang-slavic.complete {
            background-color: var(--lang-slavic);
        }
        
        .lang-indo-european.complete {
            background-color: var(--lang-indo-european);
        }
        
        .lang-finno-ugric.complete {
            background-color: var(--lang-finno-ugric);
        }
        
        .lang-dravidian.complete {
            background-color: var(--lang-dravidian);
        }
        
        .lang-internet.complete {
            background-color: var(--lang-internet);
        }
        
        .lang-coordinator.complete {
            background-color: var(--lang-coordinator);
        }
        
        /* Hide progress overlay for complete cards */
        .sheet-card.complete::after,
        .md3-card.complete::after {
            display: none;
        }
        
        /* Initial Progress */
        .sheet-card,
        .md3-card {
            --card-progress: 0%;
        }

        /* ✅ REMOVED: Non-MD3 hover effects - using proper MD3 state layers instead */

        /* Card Content */
        .card-title {
            font-size: var(--md-sys-typescale-headline-small);
            font-weight: 500;
            margin-bottom: 16px;
            color: var(--md-sys-color-on-surface);
        }
        
        .card-status {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        
        .status-indicator {
            width: 10px;
            height: 10px;
            border-radius: 4px;
        }
        
        .status-indicator.complete {
            background-color: var(--text-primary);
        }
        
        .status-indicator.partial {
            background-color: var(--text-primary);
        }
        
        .status-indicator.empty {
            background-color: var(--md-sys-color-outline);
        }
        
        .status-text {
            font-size: var(--md-sys-typescale-label-large);
            color: var(--md-sys-color-on-surface-variant);
        }
        
        /* ✅ REMOVED: Non-MD3 sheet-name hover effect */

        .sheet-info {
            font-size: 0.7rem;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .xlsx-preview {
            background: var(--bg-tertiary);
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 20px;
            max-height: 400px;
            overflow: auto;
        }

        .preview-toggle {
            display: flex;
            margin-bottom: 10px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .toggle-button {
            flex: 1;
            padding: 10px 15px;
            background: var(--bg-secondary);
            border: none;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            color: #6b7280;
            transition: all 0.3s ease;
        }

        .toggle-button.active {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            color: var(--text-primary);
        }

        .toggle-button:hover:not(.active) {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
        }

        .preview-content {
            display: none;
        }

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

        .preview-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.8rem;
            background: var(--bg-tertiary);
        }

        .preview-table th,
        .preview-table td {
            border: 1px solid var(--border-color);
            padding: 8px;
            text-align: left;
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .preview-table th {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            font-weight: bold;
        }

        .translate-section {
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid #f59e0b;
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 20px;
        }

        .translate-section h4 {
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .translate-options {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }

        .translate-option {
            background: var(--bg-tertiary);
            border-radius: 8px;
            padding: 15px;
            border: 1px solid var(--border-color);
        }

        .translate-option label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
            cursor: pointer;
        }

        .translate-option input[type="radio"] {
            accent-color: var(--text-primary);
        }

        .language-selector {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 10px;
        }

        .language-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 15px;
            align-items: center;
            margin-top: 10px;
        }

        .language-select {
            padding: 8px 12px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.9rem;
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .language-arrow {
            font-size: 1.5rem;
            color: var(--text-primary);
        }

        .editable-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.8rem;
            margin-top: 10px;
        }

        .editable-table th,
        .editable-table td {
            border: 1px solid var(--border-color);
            padding: 8px;
            text-align: left;
            vertical-align: top;
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .editable-table th {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            font-weight: bold;
            position: sticky;
            top: 0;
        }

        /* Base input styles for all input elements */
        input[type="text"], 
        input[type="password"], 
        input[type="number"], 
        textarea {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 8px;
            transition: all 0.3s ease;
        }

        input[type="text"]:focus, 
        input[type="password"]:focus, 
        input[type="number"]:focus, 
        textarea:focus {
            outline: none;
            border-color: var(--text-primary);
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
        }

        /* API Key input field fix for dark theme */
        #apiKey {
            background: var(--bg-tertiary) !important;
            color: var(--text-primary) !important;
            border: 1px solid var(--border-color) !important;
        }

        #apiKey:focus {
            border-color: var(--text-primary) !important;
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1) !important;
        }

        .translation-input {
            width: 100%;
            padding: 4px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 0.8rem;
            min-height: 60px;
            resize: vertical;
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .translation-input:focus {
            outline: none;
            border-color: var(--text-primary);
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
        }

        /* 🔥 ENHANCED btn-translate (with MD3 logic from reference) */
        .btn-translate {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border: none;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 300ms var(--md-sys-motion-easing-standard);
            position: relative;
            overflow: hidden;
            /* Enhanced touch target */
            touch-action: manipulation;
        }
        
        /* 🔥 NEW: MD3 State Layer for btn-translate */
        .btn-translate::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(255, 255, 255, 0.1);
            opacity: 0;
            transition: opacity 150ms var(--md-sys-motion-easing-standard);
            pointer-events: none;
            border-radius: inherit;
        }
        
        /* 🔥 NEW: MD3 Ripple Effect for btn-translate */
        .btn-translate::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 4px;
            background-color: rgba(255, 255, 255, 0.3);
            opacity: 0;
            transform: translate(-50%, -50%);
            transition: all 300ms var(--md-sys-motion-easing-standard);
            pointer-events: none;
        }

        .btn-translate:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px var(--shadow-color);
        }
        
        .btn-translate:hover::before {
            opacity: 1;
        }
        
        .btn-translate:active {
            transform: translateY(-1px);
        }
        
        .btn-translate:active::after {
            width: 80px;
            height: 80px;
            opacity: 1;
        }

        .export-section {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 20px;
            text-align: center;
        }

        .export-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 15px;
        }

        .generated-files {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 20px;
        }

        .file-item {
            background: var(--bg-tertiary);
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 10px;
            border-left: 4px solid #059669;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .file-item:last-child {
            margin-bottom: 0;
        }

        .file-details {
            flex: 1;
        }

        .file-title {
            font-weight: bold;
            color: var(--text-primary);
            margin-bottom: 5px;
        }

        .file-meta {
            font-size: 0.8rem;
            color: #6b7280;
        }

        .file-actions {
            display: flex;
            gap: 10px;
        }

        .btn-download {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            color: var(--text-primary);
            border: none;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-download:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
        }

        .progress-section {
            background: #eff6ff;
            border: 1px solid #bfdbfe;
            border-radius: 8px;
            padding: 15px;
            margin: 20px 0;
            text-align: center;
            color: #1e40af;
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            overflow: hidden;
            margin-top: 10px;
        }

        .progress-fill {
            height: 100%;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            transition: width 0.3s ease;
            width: 0%;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin: 20px 0;
        }

        .stat-card {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .stat-number {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--text-primary);
            margin-bottom: 5px;
        }

        .stat-label {
            color: var(--text-primary);
            font-size: 0.9rem;
        }

        .csv-preview-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.8rem;
            margin: 0;
            background: var(--bg-tertiary);
        }

        .csv-preview-table th {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            padding: 12px 8px;
            text-align: left;
            font-weight: bold;
            position: sticky;
            top: 0;
            z-index: 10;
        }

        .csv-preview-table td {
            padding: 8px;
            border-bottom: 1px solid var(--border-color);
            vertical-align: top;
            word-wrap: break-word;
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .csv-preview-table tr:hover {
            background-color: var(--bg-tertiary);
        }

        .csv-preview-table .row-number {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            font-weight: bold;
            text-align: center;
            width: 60px;
            color: var(--text-primary);
        }

        .csv-preview-table .character-name {
            font-weight: bold;
            color: var(--text-primary);
            text-align: left;
            width: 150px;
            font-size: 0.9rem;
        }

        .csv-preview-table .script-text {
            max-width: 400px;
            word-break: break-word;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.4;
        }

        .csv-preview-table .timestamp {
            font-family: 'Courier New', monospace;
            color: var(--text-primary);
            font-weight: bold;
            text-align: center;
            width: 120px;
        }

        .preview-summary {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            padding: 15px;
            margin: 0;
            border-top: 1px solid var(--border-color);
            text-align: center;
            color: var(--text-primary);
            font-size: 0.9rem;
        }

        /* Стили для пустых строк в файлах перевода */
        .csv-preview-table .empty-row {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .csv-preview-table .empty-row:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }

        .csv-preview-table .empty-script {
            color: var(--text-primary);
            font-style: italic;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px dashed var(--text-secondary);
            padding: 8px;
            text-align: center;
            max-width: 400px;
            word-break: break-word;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.4;
        }

        .csv-preview-table .missing-character {
            color: var(--text-primary);
            font-style: italic;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px dashed var(--text-secondary);
        }

        /* Settings Panel Styles */
        .settings-btn {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            padding: 8px;
            border-radius: 4px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s ease;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .settings-btn:hover {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border-color: var(--text-primary);
        }

        .settings-panel {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .settings-content {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            max-width: 500px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            box-shadow: 0 20px 60px var(--shadow-color);
        }
        
        /* Dark theme scrollbar for settings */
        .settings-content::-webkit-scrollbar {
            width: 8px;
        }
        
        .settings-content::-webkit-scrollbar-track {
            background: var(--bg-primary);
            border-radius: 4px;
        }
        
        .settings-content::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }
        
        .settings-content::-webkit-scrollbar-thumb:hover {
            background: var(--text-secondary);
        }        
        /* Dark theme scrollbar for unified translation interface */
        .unified-scroll-area::-webkit-scrollbar {
            width: 8px;
        }
        
        .unified-scroll-area::-webkit-scrollbar-track {
            background: var(--bg-primary);
            border-radius: 4px;
        }
        
        .unified-scroll-area::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }
        
        .unified-scroll-area::-webkit-scrollbar-thumb:hover {
            background: var(--text-secondary);
        }
        
        /* Model selection styling */
        .setting-group label:has(input[type="radio"]):hover {
            border-color: var(--accent-color) !important;
            background: var(--bg-tertiary) !important;
        }
        
        .setting-group label:has(input[type="radio"]:checked) {
            border-color: var(--accent-color) !important;
            background: var(--bg-tertiary) !important;
            box-shadow: 0 0 0 1px var(--accent-color);
        }

        .settings-content h3 {
            color: var(--text-primary);
            margin-bottom: 20px;
            text-align: center;
        }

        .setting-group {
            margin-bottom: 20px;
        }

        .setting-group label {
            display: block;
            font-weight: bold;
            color: var(--text-primary);
            margin-bottom: 5px;
        }

        .setting-group input[type="password"],
        .setting-group select {
            width: 100%;
            padding: 10px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.9rem;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
        }

        .setting-group small {
            color: var(--text-primary);
            font-size: 0.8rem;
        }

        .setting-group small a {
            color: var(--text-primary);
            text-decoration: none;
        }

        .model-filters {
            display: flex;
            gap: 15px;
            margin-top: 10px;
            flex-wrap: wrap;
        }

        .model-filters label {
            display: flex;
            align-items: center;
            gap: 5px;
            font-weight: normal;
            cursor: pointer;
        }

        .translate-sheet-btn {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border: none;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-left: 10px;
        }

        .translate-sheet-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px var(--shadow-color);
        }

        .translate-sheet-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }        
        .retranslate-sheet-btn {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border: none;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-left: 10px;
        }
        
        .retranslate-sheet-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px var(--shadow-color);
        }
        
        .retranslate-sheet-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        
        .stop-translation-btn {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border: none;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-left: 10px;
        }
        
        .stop-translation-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px var(--shadow-color);
        }
        
        .stop-translation-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .btn-translate {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border: none;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-translate:hover {
            transform: scale(1.1);
            box-shadow: 0 2px 8px var(--shadow-color);
        }

        .btn-translate:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .translating-single {
            background: #f59e0b !important;
            animation: pulse 1.5s infinite;
        }
        
        .regenerating {
            background: var(--bg-tertiary) !important;
            animation: regenerateAnimation 1.5s infinite;
        }
        
        @keyframes regenerateAnimation {
            0% { 
                background: var(--bg-tertiary) !important;
                transform: scale(1);
            }
            25% {
                background: #f59e0b !important;
                transform: scale(1.05);
            }
            50% {
                background: var(--bg-tertiary) !important;
                transform: scale(1);
            }
            75% {
                background: #f59e0b !important;
                transform: scale(1.05);
            }
            100% {
                background: var(--bg-tertiary) !important;
                transform: scale(1);
            }
        }

        .btn-retranslate {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            color: var(--text-primary);
            border: none;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.7rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-retranslate:hover {
            transform: scale(1.1);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
        }

        .btn-retranslate:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .control-btn-pause {
            background: var(--bg-tertiary) !important;
        }

        .control-btn-stop {
            background: var(--bg-tertiary) !important;
        }

        .control-btn-resume {
            background: var(--bg-tertiary) !important;
        }

        .control-btn-translate-all {
            background: var(--bg-tertiary) !important;
        }

        .control-btn-pause:hover,
        .control-btn-stop:hover,
        .control-btn-resume:hover,
        .control-btn-translate-all:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.5; }
            100% { opacity: 1; }
        }

        @keyframes syncScroll {
            0% { border-color: var(--border-color); }
            50% { border-color: #059669; }
            100% { border-color: var(--border-color); }
        }

        .scroll-synced {
            animation: syncScroll 0.3s ease;
        }

        /* Enhanced unified translation table styles */
        .unified-translation-container {
            background: var(--bg-tertiary);
            border-radius: 0;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        
        .translation-header {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .translation-header h4 {
            margin: 0;
            font-size: 1.1rem;
            font-weight: 600;
        }
        

        
        .dual-scroll-container {
            display: flex;
            height: 500px;
        }
        
        .scroll-pane {
            flex: 1;
            overflow-y: auto;
            position: relative;
        }
        
        .scroll-pane:first-child {
            
        }
        
        .pane-header {
            position: sticky;
            top: 0;
            z-index: 20;
            padding: 12px 15px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .original-header {
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }
        
        .translation-pane-header {
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }
        
        .unified-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
            font-size: 0.9rem;
            background: var(--bg-tertiary);
        }
        
        .unified-table td {
            padding: 12px 10px;
            vertical-align: top;
            word-wrap: break-word;
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }
        
        
        
        .unified-table tr:hover {
            background-color: var(--bg-tertiary);
            transition: background-color 0.2s ease;
        }
        
        .unified-table tr:hover td {
            background-color: var(--bg-tertiary);
        }
        
        .unified-row-number {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            font-weight: bold;
            text-align: center;
            width: 50px;
            color: var(--text-primary);
            font-size: 0.8rem;
            
        }
        
        .unified-character {
            font-weight: 600;
            color: var(--text-primary);
            width: 120px;
            font-size: 0.85rem;
            
        }
        
        .unified-text {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.5;
            font-size: 0.9rem;
            padding: 12px 15px;
            min-width: 250px;
            color: var(--text-primary);
        }
        
        .original-text {
            color: var(--text-primary);
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            width: 35%;
        }
        
        .translation-text {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.1);
            width: 35%;
        }
        
        .translation-text.empty {
            color: var(--text-primary);
            font-style: italic;
            background: rgba(255, 255, 255, 0.1);
            
            padding-left: 12px;
        }

        /* 🖊️ EDITABLE TRANSLATION STYLES */
        .editable-translation {
            cursor: text;
            transition: all 0.2s ease;
        }

        .editable-translation:hover {
            background: rgba(255, 255, 255, 0.15) !important;
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
        }

        /* Unified focus styles for editable cells */
        .editable-translation[contenteditable="true"]:focus,
        .original-text[contenteditable="true"]:focus,
        [contenteditable="true"]:focus {
            outline: none;
            background: rgba(255, 255, 255, 0.05) !important;
            box-shadow: inset 0 0 0 2px #000000;
            border-radius: 4px;
        }

        .editable-translation:focus::before {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            background: var(--accent-color);
            border-radius: 50%;
            opacity: 0.8;
        }
        
        
        /* Enhanced empty row styling for single table */
        .unified-table .empty-row {
            background: rgba(255, 255, 255, 0.1) !important;
        }
        
        .unified-table .empty-row td {
            background: rgba(255, 255, 255, 0.1) !important;
        }
        
        .unified-table .empty-row:hover {
            background: rgba(255, 255, 255, 0.2) !important;
        }
        
        .unified-table .empty-row:hover td {
            background: rgba(255, 255, 255, 0.2) !important;
        }
        
        /* Responsive adjustments for smaller screens */
        @media (max-width: 1200px) {
            .unified-text {
                min-width: 200px;
                font-size: 0.85rem;
            }
        }
        
        @media (max-width: 900px) {
            .unified-character {
                width: 100px;
                font-size: 0.8rem;
            }
            
            .unified-text {
                min-width: 150px;
                font-size: 0.8rem;
                padding: 10px 12px;
            }
        }
        
        .scroll-synced {
            box-shadow: inset 0 0 8px rgba(34, 197, 94, 0.3);
            transition: box-shadow 0.3s ease;
        }
        
        /* Improved scroll indicators */
        .scroll-indicator {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 40px;
            background: rgba(59, 130, 246, 0.3);
            border-radius: 2px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .scroll-pane:hover .scroll-indicator {
            opacity: 1;
        }
        
        /* Enhanced sync feedback */
        @keyframes syncPulse {
            0% { background: rgba(34, 197, 94, 0.1); }
            50% { background: rgba(34, 197, 94, 0.3); }
            100% { background: rgba(34, 197, 94, 0.1); }
        }
        
        .sync-feedback {
            animation: syncPulse 0.6s ease-in-out;
        }

        /* 📊 Batch Process Dialog Styles */
        #batchProcessDialog {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        #batchProcessDialog input[type="checkbox"] {
            accent-color: #7c3aed;
            cursor: pointer;
        }

        /* 🎬 SRT Character Mode Toggle Styles */
        #srtCharacterModeToggle {
            accent-color: var(--text-primary);
            cursor: pointer;
            width: 16px;
            height: 16px;
            border: 1px solid var(--border-color);
            border-radius: 3px;
            background: var(--bg-secondary);
            transition: all 0.2s ease;
        }

        #srtCharacterModeToggle:hover {
            border-color: var(--text-primary);
            background: var(--bg-primary);
        }

        #srtCharacterModeToggle:checked {
            background: var(--text-primary);
            border-color: var(--text-primary);
        }

        #batchProcessDialog input[type="number"] {
            transition: border-color 0.3s ease;
        }

        #batchProcessDialog input[type="number"]:focus {
            outline: none;
            border-color: #7c3aed;
            box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
        }

        #batchSheetSelector > div:hover {
            background: var(--bg-primary) !important;
            border-color: #7c3aed !important;
        }

        #batchSheetSelector label:hover {
            color: var(--text-primary);
        }

        #batchSheetSelector label:hover {
            background: var(--bg-tertiary);
        }

        /* Hide only cells explicitly marked as actions */
        .unified-action {
            display: none !important;
        }