/* ========================================
   HiddenMP4 - Dark Mode Video Upload App
   Modern, Responsive, Mobile-Friendly CSS
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --bg-hover: #333333;
    
    /* New Modern Variables */
    --bg: #0d1117;
    --card-bg: #161b22;
    --border: #30363d;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666666;
    --text: #e6edf3;
    
    /* Accent Colors */
    --accent-primary: #0066ff;
    --accent-hover: #0052cc;
    --accent-light: #3384ff;
    
    /* Primary Brand Colors - Modern Vibrant */
    --primary: #06b6d4;
    --primary-hover: #0891b2;
    --primary-light: #22d3ee;
    --secondary: #8b5cf6;
    --secondary-hover: #7c3aed;
    
    /* Status Colors */
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    
    /* Border & Shadow */
    --border-color: #333333;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-light);
}

/* ========== Header ========== */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo:hover {
    color: var(--accent-primary);
}

.nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav a:hover,
.nav a.active {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.search-box {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem;
    padding-right: 3rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.search-box button {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* ========== Container ========== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    flex: 1;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.btn span,
.btn svg {
    position: relative;
    z-index: 2;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #ffffff !important;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    color: #ffffff !important;
}

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

.btn-secondary:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary) !important;
}

.btn-accent {
    background: linear-gradient(135deg, var(--success), #00aa55);
    color: #ffffff !important;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 204, 102, 0.3);
}

.btn-accent:hover {
    background: linear-gradient(135deg, #00aa55, var(--success));
    box-shadow: 0 6px 16px rgba(0, 204, 102, 0.4);
    color: #ffffff !important;
}

.btn-danger {
    background: linear-gradient(135deg, var(--error), #cc0000);
    color: #ffffff !important;
    border: none;
    box-shadow: 0 4px 12px rgba(255, 51, 51, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #cc0000, var(--error));
    box-shadow: 0 6px 16px rgba(255, 51, 51, 0.4);
    color: #ffffff !important;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* ========== Hero Section ========== */
.hero {
    text-align: center;
    padding: var(--spacing-lg) 0;
    max-width: 900px;
    margin: 0 auto;
}

.hero-icon {
    display: none;
}

.hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-light), #00ccff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    font-weight: 800;
}

.hero-subtitle {
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.4;
}

.hero-stats {
    display: none;
}

/* ========== Features ========== */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.feature-card {
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-primary);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* ========== Drop Zone ========== */
.drop-zone {
    background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
    border: 2px solid transparent;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    margin: var(--spacing-sm) 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.drop-zone::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-light), var(--accent-primary));
    background-size: 200% 200%;
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.drop-zone::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 102, 255, 0.15), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.drop-zone:hover::before,
.drop-zone.drag-over::before {
    opacity: 1;
}

.drop-zone:hover::after,
.drop-zone.drag-over::after {
    opacity: 1;
}

.drop-zone:hover,
.drop-zone.drag-over {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 102, 255, 0.25);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    z-index: 1;
}

.upload-icon-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, transparent 70%);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.drop-zone-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.drop-zone-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

.btn-browse {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0.5rem;
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
    transition: all 0.3s ease;
}

.btn-browse:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(6, 182, 212, 0.4);
}

.btn-browse svg {
    transition: transform 0.3s ease;
}

.btn-browse:hover svg {
    transform: translateY(-2px);
}

.file-info {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.file-info svg {
    flex-shrink: 0;
    color: var(--primary);
}
    position: relative;
    z-index: 1;
}

.drop-zone-content h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.drop-zone-content > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

.upload-icon {
    width: 64px;
    height: 64px;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
    animation: floatUpDown 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 12px rgba(0, 102, 255, 0.3));
}

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(-2deg); }
    50% { transform: translateY(0px) rotate(0deg); }
    75% { transform: translateY(-8px) rotate(2deg); }
}

.file-info {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 1rem;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 102, 255, 0.08);
    border-radius: 12px;
    border: 1px solid rgba(0, 102, 255, 0.15);
    backdrop-filter: blur(10px);
    display: inline-block;
}

/* ========== File List ========== */
.file-list {
    margin: 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.file-item {
    background: linear-gradient(135deg, var(--bg-secondary), #1a1f2e);
    padding: 1rem 1.25rem;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.file-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-light));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.file-item:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.file-item:hover::before {
    opacity: 1;
}

.file-item-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-primary);
    flex-shrink: 0;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
}

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

.file-item-name {
    font-weight: 600;
    margin-bottom: 0.35rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.file-item-size {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-family: 'Courier New', monospace;
}

.file-item-privacy {
    margin-top: 0.5rem;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 6px;
    display: inline-block;
    font-size: 0.75rem;
    color: var(--accent-primary);
}

.file-item-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.file-item-settings,
.file-item-remove {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.file-item-settings {
    color: var(--accent-primary);
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.15);
}

.file-item-settings:hover {
    background-color: rgba(0, 102, 255, 0.15);
    transform: rotate(90deg);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.file-item-remove {
    color: var(--error);
    background: rgba(255, 51, 51, 0.05);
    border: 1px solid rgba(255, 51, 51, 0.15);
}

.file-item-remove:hover {
    background-color: rgba(255, 51, 51, 0.15);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(255, 51, 51, 0.3);
}

/* ========== Upload Form ========== */
.upload-form,
.upload-container {
    max-width: 900px;
    margin: 0 auto;
}

.upload-container h1 {
    text-align: center;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.video-form {
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
}

.video-form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

/* ========== Progress Bars ========== */
.upload-progress {
    margin: var(--spacing-lg) 0;
}

.upload-status-header {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(0, 153, 255, 0.04));
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 18px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.status-main {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 200px;
}

.status-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    animation: uploadPulse 2s ease-in-out infinite;
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.4);
}

@keyframes uploadPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 4px 16px rgba(0, 102, 255, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 6px 24px rgba(0, 102, 255, 0.6); }
}

.status-text {
    flex: 1;
}

.status-text h3 {
    font-size: 1.25rem;
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
    font-weight: 600;
}

.status-current {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
}

.status-current span {
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 1rem;
}

.status-badges {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.badge svg {
    flex-shrink: 0;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.badge-error {
    background: rgba(255, 51, 51, 0.15);
    border: 1px solid rgba(255, 51, 51, 0.3);
    color: #ff3333;
}

.badge span {
    font-size: 1rem;
    font-weight: 700;
}

.completed-section {
    margin-bottom: 2rem;
}

.completed-section:empty {
    display: none;
}

.completed-section .upload-status-header {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(5, 150, 105, 0.04));
    border-color: rgba(16, 185, 129, 0.3);
}

.completed-section .status-icon {
    background: linear-gradient(135deg, var(--success), #059669);
    animation: none;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}

.completed-section .status-current span {
    color: var(--success);
}

.uploading-section {
    opacity: 1;
}

.uploading-section .upload-status-header {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(0, 153, 255, 0.04));
    border-color: rgba(0, 102, 255, 0.2);
}

@media (max-width: 768px) {
    .upload-status-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.25rem;
    }
    
    .status-main {
        width: 100%;
    }
    
    .status-badges {
        width: 100%;
        justify-content: space-between;
    }
    
    .badge {
        flex: 1;
        justify-content: center;
    }
}

.progress-item {
    background: linear-gradient(135deg, var(--bg-secondary), #1a1f2e);
    border: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    border-radius: 16px;
    margin-bottom: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-light));
    transition: width 0.3s ease;
}

.progress-item:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transform: translateX(4px);
}

.progress-item:hover::before {
    width: 6px;
}

.completed-section .progress-item {
    opacity: 1;
    border-color: rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(5, 150, 105, 0.02));
}

.completed-section .progress-item::before {
    background: linear-gradient(180deg, var(--success), #059669);
}

.progress-item.error {
    border-color: rgba(255, 51, 51, 0.4);
    background: linear-gradient(135deg, rgba(255, 51, 51, 0.05), rgba(220, 38, 38, 0.02));
}

.progress-item.error::before {
    background: linear-gradient(180deg, var(--error), #dc2626);
}

.progress-item-content {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.progress-thumbnail {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    background: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.progress-thumbnail svg {
    width: 40px;
    height: 40px;
    color: var(--text-muted);
}

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

.progress-details {
    flex: 1;
    min-width: 0;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    gap: var(--spacing-sm);
}

.progress-header > span:first-child {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.875rem;
}

.copy-btn-progress {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    white-space: nowrap;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

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

.progress-status {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.progress-status.success {
    color: var(--success);
}

.progress-status.error {
    color: var(--error);
}

/* ========== Upload Results ========== */
.result-container {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.result-thumbnail {
    flex-shrink: 0;
    width: 160px;
    height: 90px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-tertiary);
}

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

.result-details {
    flex: 1;
    min-width: 0;
}

.result-meta {
    margin: var(--spacing-sm) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.result-meta strong {
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.result-links {
    margin: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.link-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.link-item label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.link-input-group {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.link-input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: 'Courier New', monospace;
    transition: var(--transition);
}

.link-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.link-input-group .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

.result-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.result-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.upload-summary {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(0, 153, 255, 0.02));
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 18px;
    padding: 2rem;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.summary-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 14px;
    background: var(--bg-secondary);
    border: 2px solid;
    min-width: 140px;
}

.stat-item svg {
    flex-shrink: 0;
}

.stat-item > div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-item strong {
    font-size: 2rem;
    line-height: 1;
    font-weight: 700;
}

.stat-item span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.success-stat svg {
    color: var(--success);
}

.success-stat strong {
    color: var(--success);
}

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

.error-stat svg {
    color: var(--error);
}

.error-stat strong {
    color: var(--error);
}

.summary-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.summary-actions .btn {
    flex: 0 1 auto;
}

.upload-summary p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

@media (max-width: 640px) {
    .result-container {
        flex-direction: column;
    }
    
    .result-thumbnail {
        width: 100%;
        height: 180px;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .result-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========== Video Grid ========== */
.browse-header {
    margin-bottom: 2.5rem;
}

.browse-title {
    margin-bottom: 2rem;
}

.browse-title h1 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    margin: 0 0 0.5rem 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.browse-count {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.browse-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.search-form {
    flex: 1;
    min-width: 280px;
    display: flex;
    gap: 0.75rem;
}

.search-input-group {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-group svg:first-child {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.search-clear {
    position: absolute;
    right: 1rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding: 0.25rem;
}

.search-clear:hover {
    color: var(--error);
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.sort-controls label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.sort-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a0aec0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

.sort-select:hover {
    border-color: var(--accent-primary);
}

.sort-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.search-results-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(0, 102, 255, 0.08);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 12px;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.search-results-info svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.search-results-info strong {
    color: var(--accent-primary);
}

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.no-results svg {
    color: var(--text-secondary);
    opacity: 0.5;
    margin-bottom: 1.5rem;
}

.no-results h2 {
    font-size: 1.75rem;
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
}

.no-results p {
    color: var(--text-secondary);
    margin: 0 0 2rem 0;
    font-size: 1.1rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin: var(--spacing-lg) 0;
    padding: 0.5rem;
}

@media (max-width: 1600px) {
    .video-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1200px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

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

.video-card {
    background: linear-gradient(145deg, var(--card-bg) 0%, rgba(20, 24, 35, 0.8) 100%);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.video-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.video-card:hover::before {
    opacity: 1;
}

.video-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(6, 182, 212, 0.2), 
                0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-thumbnail {
    position: relative;
    display: block;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
    overflow: hidden;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.15) rotate(1deg);
    filter: brightness(1.1);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.7), rgba(139, 92, 246, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(2px);
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.video-overlay svg {
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
    transform: scale(0.7);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-card:hover .video-overlay svg {
    transform: scale(1.1);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1.1); }
    50% { transform: scale(1.2); }
}

.duration {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.9);
    padding: 0.4rem 0.85rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.video-info {
    padding: 1.5rem;
    background: var(--card-bg);
}

.video-info h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 0.85rem 0;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    min-height: 3rem;
    color: var(--text);
}

.video-info h3 a {
    color: var(--text);
    transition: all 0.3s ease;
    text-decoration: none;
}

.video-info h3 a:hover {
    color: var(--primary);
    text-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
}

.video-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.meta-views,
.meta-date {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.meta-views svg,
.meta-date svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.meta-separator {
    color: var(--border);
}

/* ========== Video Player Page ========== */
.video-page {
    max-width: 1200px;
    margin: 0 auto;
}

.video-player-container {
    background-color: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.video-player {
    width: 100%;
    max-height: 70vh;
    display: block;
}

.video-details {
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.video-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.stat svg {
    flex-shrink: 0;
}

.privacy-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.privacy-badge.public {
    background-color: rgba(0, 204, 102, 0.2);
    color: var(--success);
}

.privacy-badge.unlisted {
    background-color: rgba(255, 153, 51, 0.2);
    color: var(--warning);
}

.privacy-badge.password {
    background-color: rgba(255, 51, 51, 0.2);
    color: var(--error);
}

.video-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.video-tags {
    margin-top: var(--spacing-md);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: var(--transition);
}

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

/* ========== Search Page ========== */
.search-page {
    max-width: 1200px;
    margin: 0 auto;
}

.search-form {
    margin: var(--spacing-lg) 0;
}

.search-input-group {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 700px;
    margin: 0 auto;
}

.search-input {
    flex: 1;
}

.search-results-info {
    margin: var(--spacing-lg) 0;
    color: var(--text-secondary);
}

.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.no-results svg {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
    margin: 0 auto var(--spacing-md);
}

.no-results h2 {
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin: 3rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pagination-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    font-weight: 600;
}

.page-current {
    color: var(--accent-primary);
    font-size: 1.1rem;
}

.page-separator {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.page-total {
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* ========== Password Prompt ========== */
.password-prompt {
    max-width: 500px;
    margin: var(--spacing-xl) auto;
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.password-form {
    margin-top: var(--spacing-lg);
}

/* ========== Privacy Modal ========== */
.privacy-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

.privacy-modal-content {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.privacy-modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

.privacy-modal-body {
    padding: var(--spacing-lg);
}

.modal-filename {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.privacy-modal-footer {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.modal-cancel,
.modal-save {
    min-width: 100px;
}

/* ========== Error Message ========== */
.error-message {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--error);
    text-align: center;
}

/* ========== Footer ========== */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-separator {
    color: var(--border);
    user-select: none;
}

/* ========== Utility Classes ========== */
.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* ========== Delete Page ========== */
.delete-container {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    text-align: center;
}

.delete-success,
.delete-error {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 2px solid var(--border-color);
}

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

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

.success-icon,
.error-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
}

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

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

.delete-success h1,
.delete-error h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.delete-success p,
.delete-error p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.delete-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== New Homepage Sections ========== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    margin: 0 0 1rem 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0;
}

/* Key Features Section */
.key-features {
    margin: 5rem 0;
    padding: 3rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-box {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-box:hover::before {
    transform: scaleX(1);
}

.feature-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-primary);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-light));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: transform 0.4s ease;
}

.feature-box:hover .feature-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon-wrapper .feature-icon {
    width: 32px;
    height: 32px;
    color: white;
}

.feature-box h3 {
    font-size: 1.25rem;
    margin: 0 0 1rem 0;
    color: var(--text-primary);
}

.feature-box p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* FAQ Section */
.faq-section {
    margin: 5rem 0;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.03), rgba(0, 153, 255, 0.01));
    border-radius: 24px;
    border: 1px solid var(--border-color);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent-primary);
}

.faq-item.active {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.15);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    text-align: left;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--accent-primary);
}

.faq-question span {
    flex: 1;
}

.faq-icon {
    flex-shrink: 0;
    color: var(--accent-primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 2rem 1.5rem 2rem;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

.faq-answer strong {
    color: var(--accent-primary);
    font-weight: 600;
}

/* How It Works Section */
.how-it-works {
    margin: 5rem 0;
    padding: 3rem 0;
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.step-item {
    flex: 1;
    min-width: 250px;
    max-width: 320px;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.step-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-primary);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.4);
}

.step-content h3 {
    font-size: 1.25rem;
    margin: 0 0 1rem 0;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.step-arrow {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.step-arrow svg {
    filter: drop-shadow(0 0 10px rgba(0, 102, 255, 0.5));
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .nav {
        display: none;
        width: 100%;
        flex-direction: column;
        padding: var(--spacing-sm) 0;
    }
    
    .nav.mobile-open {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .search-box {
        max-width: none;
        order: 3;
        width: 100%;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-box {
        padding: 1.5rem;
    }
    
    .faq-section {
        padding: 2rem 1rem;
    }
    
    .faq-question {
        padding: 1.25rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 1.5rem 1.25rem 1.5rem;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .step-item {
        max-width: 100%;
    }
    
    .browse-controls {
        flex-direction: column;
    }
    
    .search-form {
        width: 100%;
        min-width: 100%;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .search-form .btn {
        width: 100%;
    }
    
    .sort-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .pagination-info {
        order: -1;
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .video-stats {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .video-actions {
        flex-direction: column;
    }
    
    .video-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========== Loading States ========== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ========== Toast Notifications ========== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    pointer-events: none;
}

.toast {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    min-width: 300px;
    max-width: 400px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    pointer-events: all;
    animation: slideInRight 0.3s ease-out;
    transition: all 0.3s ease;
}

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

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-content {
    flex: 1;
    color: var(--text);
    font-size: 0.9rem;
    line-height: 1.4;
}

.toast-close {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.toast-close:hover {
    color: var(--text);
}

.toast.success {
    border-left: 4px solid var(--success);
}

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

.toast.error {
    border-left: 4px solid var(--error);
}

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

.toast.warning {
    border-left: 4px solid var(--warning);
}

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

.toast.info {
    border-left: 4px solid var(--info);
}

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

@media (max-width: 768px) {
    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    
    .toast {
        min-width: auto;
        max-width: 100%;
    }
}

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

/* ========== Animations ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

/* ========== Print Styles ========== */
@media print {
    .header,
    .footer,
    .video-actions,
    .btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}