/* 
 * MediaLoader - Modern Dark Theme
 * Cyberpunk-inspired design with neon accents
 */

:root {
    /* Color Palette */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-card: #16161f;
    --bg-hover: #1e1e2a;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #a855f7;
    --accent-glow: rgba(99, 102, 241, 0.4);
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Platform Colors */
    --youtube: #ff0000;
    --tiktok: #00f2ea;
    --instagram: #e4405f;
    --twitter: #1da1f2;
    --facebook: #1877f2;
    --spotify: #1db954;
    --telegram: #0088cc;
    --vk: #4a76a8;
    --twitch: #9146ff;
    --reddit: #ff4500;
    --soundcloud: #ff5500;
    --pinterest: #e60023;
    --tumblr: #35465c;
    --vimeo: #1ab7ea;
    --dailymotion: #0066dc;
    
    /* Sizing */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --header-height: 70px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

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

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-tertiary));
    bottom: -150px;
    left: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--accent-tertiary), var(--accent-primary));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(-50px, -30px) scale(1.05); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition-normal), transform var(--transition-normal);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-item span:not(.material-icons-round):not(.platform-icon),
.sidebar.collapsed .nav-section-title {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    color: var(--accent-primary);
    text-shadow: 0 0 20px var(--accent-glow);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
    transition: var(--transition-normal);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

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

.sidebar-nav {
    flex: 1;
    padding: 20px 12px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 0 12px;
    margin-bottom: 8px;
    white-space: nowrap;
    transition: var(--transition-normal);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    margin-bottom: 4px;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: var(--shadow-glow);
}

.nav-item .material-icons-round {
    font-size: 20px;
    flex-shrink: 0;
}

.nav-item span:not(.material-icons-round):not(.platform-icon) {
    white-space: nowrap;
    transition: var(--transition-normal);
}

/* Platform Icons */
.platform-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    flex-shrink: 0;
}

.platform-icon.youtube { background: var(--youtube); }
.platform-icon.tiktok { background: linear-gradient(135deg, #00f2ea, #ff0050); }
.platform-icon.instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.platform-icon.twitter { background: var(--twitter); }
.platform-icon.facebook { background: var(--facebook); }
.platform-icon.spotify { background: var(--spotify); }
.platform-icon.telegram { background: var(--telegram); }
.platform-icon.vk { background: var(--vk); }
.platform-icon.twitch { background: var(--twitch); }
.platform-icon.reddit { background: var(--reddit); }
.platform-icon.soundcloud { background: var(--soundcloud); }
.platform-icon.pinterest { background: var(--pinterest); }
.platform-icon.tumblr { background: var(--tumblr); }
.platform-icon.vimeo { background: var(--vimeo); }
.platform-icon.dailymotion { background: var(--dailymotion); }
.platform-icon.bandcamp { background: #629aa9; }
.platform-icon.mixcloud { background: #5000ff; }
.platform-icon.bilibili { background: #00a1d6; }
.platform-icon.rutube { background: #14191f; }
.platform-icon.ok { background: #ee8208; }
.platform-icon.coub { background: #2e8fff; }
.platform-icon.likee { background: linear-gradient(135deg, #ff4d4d, #ff0099); }
.platform-icon.trovo { background: #19a974; }
.platform-icon.kick { background: #53fc18; }

.platform-icon-large {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.platform-icon-large.youtube { background: var(--youtube); }
.platform-icon-large.tiktok { background: linear-gradient(135deg, #00f2ea, #ff0050); }
.platform-icon-large.instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.platform-icon-large.twitter { background: var(--twitter); }
.platform-icon-large.facebook { background: var(--facebook); }
.platform-icon-large.spotify { background: var(--spotify); }
.platform-icon-large.telegram { background: var(--telegram); }
.platform-icon-large.vk { background: var(--vk); }
.platform-icon-large.twitch { background: var(--twitch); }

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.version {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-normal);
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed);
}

/* Header */
.main-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background: rgba(18, 18, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
}

.page-title {
    font-size: 24px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.active-downloads {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    font-size: 14px;
    color: var(--text-secondary);
}

.active-downloads .count {
    color: var(--accent-primary);
    font-weight: 600;
}

.spinning {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-hover);
    color: var(--accent-primary);
}

/* Page Content */
.page-content {
    padding: 32px;
    min-height: calc(100vh - var(--header-height));
}

.page {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Download Hero Section */
.download-hero {
    text-align: center;
    padding: 40px 0;
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* URL Input */
.url-input-container {
    display: flex;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}

.url-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 4px;
    transition: var(--transition-fast);
}

.url-input-wrapper:focus-within {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.input-icon {
    padding: 0 16px;
    color: var(--text-muted);
}

.url-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    padding: 16px 0;
    outline: none;
}

.url-input::placeholder {
    color: var(--text-muted);
}

.paste-btn, .clear-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.paste-btn:hover, .clear-btn:hover {
    background: var(--bg-hover);
    color: var(--accent-primary);
}

.analyze-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 32px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: var(--border-radius-lg);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-glow);
}

.analyze-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--accent-glow);
}

.analyze-btn:active {
    transform: translateY(0);
}

/* Platform Detected */
.platform-detected {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.content-type {
    color: var(--text-muted);
    font-size: 14px;
}

/* Video Info Card */
.video-info-card {
    display: flex;
    gap: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    margin: 32px auto;
    max-width: 800px;
    border: 1px solid var(--border-color);
}

.video-thumbnail {
    position: relative;
    width: 320px;
    flex-shrink: 0;
}

.video-thumbnail img {
    width: 100%;
    border-radius: var(--border-radius);
    aspect-ratio: 16/9;
    object-fit: cover;
}

.video-thumbnail .duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
}

.video-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.video-title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.separator {
    color: var(--text-muted);
}

/* Download Options */
.download-options {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
}

.section-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.options-grid {
    display: grid;
    gap: 24px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Quality Buttons */
.quality-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.quality-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 24px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
}

.quality-btn:hover {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
}

.quality-btn.active {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    box-shadow: var(--shadow-glow);
}

.quality-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.quality-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Format Select */
.styled-select {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23a0a0b0' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.styled-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.styled-select.small {
    padding: 8px 12px;
    font-size: 13px;
}

/* Text/number inputs */
.styled-input {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition-fast);
}

.styled-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.telegram-range {
    margin-top: 14px;
}

.telegram-range-inputs {
    display: flex;
    gap: 10px;
}

.telegram-range-inputs .styled-input {
    flex: 1;
    min-width: 0;
}

.telegram-note {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Checkbox */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.checkbox-item input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.checkbox-item input:checked + .checkmark {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.checkbox-item input:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
}

/* Download Button */
.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 18px;
    margin-top: 24px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: var(--border-radius);
    color: white;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-glow);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px var(--accent-glow);
}

.download-btn:active {
    transform: translateY(0);
}

.download-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Active Downloads Section */
.active-downloads-section {
    max-width: 800px;
    margin: 32px auto;
}

.downloads-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.download-item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
}

.download-item-info {
    flex: 1;
    min-width: 0;
}

.download-item-title {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.download-item-status {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.download-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Telegram Info Card */
.telegram-info-card {
    max-width: 900px;
    margin: 24px auto;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.telegram-info-header {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
}

.telegram-info-header h3 {
    margin: 0;
    font-size: 18px;
}

.telegram-info-header p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.telegram-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.telegram-info-item {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    padding: 12px;
}

.telegram-info-item .label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.telegram-info-item .value {
    font-size: 16px;
    font-weight: 600;
}

.telegram-info-note {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.download-progress {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}

.download-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.download-item-actions {
    display: flex;
    gap: 8px;
}

/* Quick Platforms */
.quick-platforms {
    margin-top: 64px;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.platform-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.platform-name {
    font-size: 16px;
    font-weight: 600;
}

.platform-features {
    font-size: 12px;
    color: var(--text-muted);
}

/* Batch Download */
.batch-container {
    max-width: 800px;
    margin: 0 auto;
}

.batch-textarea {
    width: 100%;
    min-height: 200px;
    padding: 16px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    resize: vertical;
    transition: var(--transition-fast);
}

.batch-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.batch-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
}

.url-count {
    color: var(--text-secondary);
    font-size: 14px;
}

.clear-batch-btn {
    background: none;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    font-size: 14px;
}

.batch-options {
    margin: 24px 0;
}

.batch-download-btn {
    max-width: 300px;
    margin: 24px auto 0;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.tool-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.tool-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--border-radius);
    margin-bottom: 16px;
}

.tool-icon .material-icons-round {
    font-size: 28px;
    color: white;
}

.tool-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tool-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Tool Modal */
.tool-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 20px;
}

.tool-modal-content {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.tool-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.tool-modal-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
}

.close-modal:hover {
    background: var(--bg-hover);
}

.tool-modal-body {
    padding: 24px;
    overflow-y: auto;
}

/* All Platforms Page */
.platforms-categories {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.platform-category {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    border: 1px solid var(--border-color);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.category-title .material-icons-round {
    color: var(--accent-primary);
}

.category-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.platform-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.platform-item:hover {
    background: var(--bg-hover);
    transform: translateX(4px);
}

/* History */
.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.history-actions {
    display: flex;
    gap: 12px;
}

.btn-icon {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--error);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.history-empty .material-icons-round {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.history-item-actions {
    display: flex;
    gap: 8px;
}

.history-item:hover {
    border-color: var(--border-hover);
}

.history-item-info {
    flex: 1;
    min-width: 0;
}

.history-item-title {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.history-item-meta {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.history-item-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.history-item-status.completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.history-item-status.failed {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.history-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
}

.pagination-btn {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--accent-primary);
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Statistics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 50%;
}

.stat-icon .material-icons-round {
    font-size: 28px;
    color: var(--accent-primary);
}

.stat-icon.success .material-icons-round {
    color: var(--success);
}

.stat-icon.error .material-icons-round {
    color: var(--error);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.stats-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.chart-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    border: 1px solid var(--border-color);
}

.chart-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.platform-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.platform-stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.platform-stat-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.platform-stat-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.platform-stat-value {
    font-size: 14px;
    color: var(--text-secondary);
    min-width: 50px;
    text-align: right;
}

/* Settings */
.settings-sections {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 700px;
}

.settings-section {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    border: 1px solid var(--border-color);
}

.settings-section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.settings-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.setting-info {
    flex: 1;
}

.setting-name {
    font-weight: 500;
    display: block;
    margin-bottom: 4px;
}

.setting-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Toggle */
.toggle {
    position: relative;
    width: 48px;
    height: 26px;
    cursor: pointer;
}

.toggle input {
    display: none;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border-radius: 13px;
    transition: var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
    background: var(--accent-primary);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

/* Buttons */
.btn-primary {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: var(--border-radius-sm);
    color: white;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-hover);
}

.btn-danger {
    padding: 10px 20px;
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--error);
    border-radius: var(--border-radius-sm);
    color: var(--error);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-danger:hover {
    background: var(--error);
    color: white;
}

/* Platform Page */
.platform-page-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 40px;
}

.platform-info h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.platform-info p {
    color: var(--text-secondary);
    font-size: 16px;
}

.platform-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 40px;
}

.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.feature-card .material-icons-round {
    font-size: 32px;
    color: var(--accent-primary);
    margin-bottom: 12px;
}

.feature-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-secondary);
}

.feature-card.highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-color: var(--accent-primary);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 300;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--accent-primary);
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

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

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

.toast-icon {
    font-size: 24px;
}

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

.toast.error .toast-icon {
    color: var(--error);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.toast-message {
    font-size: 13px;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

/* Confirm Dialog */
.confirm-dialog {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 400;
}

.confirm-content {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    max-width: 400px;
    text-align: center;
}

.confirm-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.confirm-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.confirm-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-menu-btn {
        display: block;
    }
}

@media (max-width: 768px) {
    .page-content {
        padding: 20px;
    }

    .hero-title {
        font-size: 28px;
    }

    .url-input-container {
        flex-direction: column;
    }

    .analyze-btn {
        width: 100%;
        padding: 16px;
        justify-content: center;
    }

    .video-info-card {
        flex-direction: column;
    }

    .video-thumbnail {
        width: 100%;
    }

    .download-item,
    .history-item {
        flex-direction: column;
        align-items: stretch;
    }

    .download-item-progress {
        width: 100%;
    }

    .download-item-actions,
    .history-item-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .quality-buttons {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-charts {
        grid-template-columns: 1fr;
    }

    .settings-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .main-header {
        padding: 0 16px;
    }

    .page-title {
        font-size: 20px;
    }

    .quality-buttons {
        grid-template-columns: repeat(2, 1fr);
    }

    .platforms-grid {
        grid-template-columns: 1fr;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Light Theme */
body[data-theme="light"],
body.light-theme {
    --bg-primary: #f6f7fb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eef2f7;
    --bg-card: #ffffff;
    --bg-hover: #e7edf6;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --accent-primary: #2563eb;
    --accent-secondary: #0ea5e9;
    --accent-tertiary: #14b8a6;
    --accent-glow: rgba(37, 99, 235, 0.25);

    --success: #16a34a;
    --warning: #d97706;
    --error: #dc2626;
    --info: #0284c7;

    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(15, 23, 42, 0.16);

    --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.16);
    --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.25);
}

body[data-theme="light"] .bg-animation,
body.light-theme .bg-animation {
    opacity: 0.6;
}

body[data-theme="light"] .gradient-orb,
body.light-theme .gradient-orb {
    opacity: 0.35;
    filter: blur(120px);
}

body[data-theme="light"] .grid-overlay,
body.light-theme .grid-overlay {
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

body[data-theme="light"] .main-header,
body.light-theme .main-header {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}

body[data-theme="light"] .sidebar,
body.light-theme .sidebar {
    box-shadow: 10px 0 30px rgba(15, 23, 42, 0.05);
}