/* igVibe v1.0 - Main Stylesheet */
/* Distinctive Design with Bold Colors and Modern Aesthetics */

:root {
    /* Base Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #13131a;
    --bg-tertiary: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Theme Colors - Purple (Default) */
    --theme-primary: #667eea;
    --theme-secondary: #764ba2;
    --theme-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.4);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Mode */
body[data-mode="light"] {
    --bg-primary: #f5f5fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #fafafa;
    --text-primary: #1a1a24;
    --text-secondary: #6b6b85;
    --border-color: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* Theme Variations */
.theme-blue {
    --theme-primary: #4facfe;
    --theme-secondary: #00f2fe;
    --theme-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-glow: 0 0 40px rgba(79, 172, 254, 0.4);
}

.theme-pink {
    --theme-primary: #f093fb;
    --theme-secondary: #f5576c;
    --theme-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-glow: 0 0 40px rgba(240, 147, 251, 0.4);
}

.theme-green {
    --theme-primary: #4facfe;
    --theme-secondary: #43e97b;
    --theme-gradient: linear-gradient(135deg, #4facfe 0%, #43e97b 100%);
    --shadow-glow: 0 0 40px rgba(67, 233, 123, 0.4);
}

.theme-orange {
    --theme-primary: #fa709a;
    --theme-secondary: #fee140;
    --theme-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --shadow-glow: 0 0 40px rgba(250, 112, 154, 0.4);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-medium);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    opacity: 0.8;
}

/* Header */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--theme-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    box-shadow: var(--shadow-glow);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--theme-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.version {
    font-size: 0.7rem;
    font-weight: 400;
    opacity: 0.6;
    font-family: 'Space Mono', monospace;
}

.main-nav {
    display: flex;
    gap: var(--spacing-xs);
    flex: 1;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-medium);
    position: relative;
}

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

.nav-btn.active {
    color: white;
    background: var(--theme-gradient);
    box-shadow: var(--shadow-glow);
}

.nav-btn i {
    font-size: 1.1rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.upload-btn {
    background: var(--theme-gradient);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-medium);
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(102, 126, 234, 0.6);
}

.theme-selector {
    display: flex;
    gap: var(--spacing-xs);
    padding: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.theme-btn {
    width: 32px;
    height: 32px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 2px;
    transition: all var(--transition-fast);
}

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

.theme-btn .theme-color {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    display: block;
}

.mode-toggle {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-medium);
}

.mode-toggle:hover {
    background: var(--theme-gradient);
    color: white;
    transform: rotate(180deg);
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--theme-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-medium);
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-medium);
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.anonymous-info {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.stat-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-medium);
}

.stat-item:hover {
    transform: translateY(-4px);
    background: var(--theme-gradient);
    color: white;
}

.stat-item i {
    font-size: 2rem;
    opacity: 0.8;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.7;
    font-weight: 500;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: 'Space Mono', monospace;
}

/* View Containers */
.view-container {
    display: none;
    animation: fadeIn var(--transition-medium);
}

.view-container.active {
    display: block;
}

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

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-header i {
    background: var(--theme-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Feed Grid */
.feed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.post-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    cursor: pointer;
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.post-thumbnail {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.post-info {
    padding: var(--spacing-md);
}

.post-author-small {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.author-avatar-small {
    width: 32px;
    height: 32px;
    background: var(--theme-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.author-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.post-title-small {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-stats-small {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.post-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Leaderboard */
.leaderboard-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.leaderboard-item:hover {
    background: var(--bg-tertiary);
}

.leaderboard-rank {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Space Mono', monospace;
    width: 50px;
    text-align: center;
}

.leaderboard-rank.top-1 { color: #FFD700; }
.leaderboard-rank.top-2 { color: #C0C0C0; }
.leaderboard-rank.top-3 { color: #CD7F32; }

.leaderboard-avatar {
    width: 60px;
    height: 60px;
    background: var(--theme-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.leaderboard-info {
    flex: 1;
}

.leaderboard-username {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.leaderboard-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Groups Grid */
.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.group-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    cursor: pointer;
}

.group-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.group-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: var(--theme-gradient);
}

.group-info {
    padding: var(--spacing-md);
}

.group-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.group-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.group-members {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.create-group-btn {
    background: var(--theme-gradient);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    transition: all var(--transition-medium);
}

.create-group-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
    animation: fadeIn var(--transition-medium);
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: slideUp var(--transition-medium);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.close-modal {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition-medium);
}

.close-modal:hover {
    background: var(--theme-gradient);
    color: white;
    transform: rotate(90deg);
}

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

/* Upload Modal */
.upload-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.upload-tab {
    flex: 1;
    background: var(--bg-tertiary);
    border: none;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    transition: all var(--transition-medium);
}

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

.upload-tab.active {
    background: var(--theme-gradient);
    color: white;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-medium);
}

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

.upload-area i {
    font-size: 3rem;
    color: var(--theme-primary);
    margin-bottom: var(--spacing-md);
}

.upload-area p {
    color: var(--text-secondary);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--theme-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.submit-btn {
    width: 100%;
    background: var(--theme-gradient);
    color: white;
    border: none;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-medium);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(102, 126, 234, 0.6);
}

/* Post Modal */
.post-modal-content {
    max-width: 1200px;
}

.post-detail-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    height: 80vh;
}

.post-media-section {
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.post-media-section img,
.post-media-section video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.audio-player {
    width: 100%;
    padding: var(--spacing-xl);
}

.audio-visualizer {
    width: 100%;
    height: 200px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

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

.play-btn {
    width: 60px;
    height: 60px;
    background: var(--theme-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.post-info-section {
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

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

.post-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.post-author-avatar {
    width: 48px;
    height: 48px;
    background: var(--theme-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.post-author-info h4 {
    font-size: 1rem;
    font-weight: 600;
}

.post-author-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.subscribe-btn {
    background: var(--theme-gradient);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    transition: all var(--transition-medium);
}

.subscribe-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.post-title-desc {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.post-title-desc h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.post-title-desc p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.post-ratings {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

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

.stars {
    display: flex;
    gap: 4px;
}

.stars i {
    font-size: 1.5rem;
    color: var(--theme-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.stars i:hover {
    transform: scale(1.2);
}

.stars i.fas {
    color: var(--theme-primary);
}

.rating-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Space Mono', monospace;
}

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

.post-comments {
    flex: 1;
    display: flex;
    flex-direction: column;
}

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

.comments-header h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.comment-count {
    background: var(--theme-gradient);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.comment-input-area {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.comment-input-area textarea {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-family: inherit;
    resize: none;
}

.comment-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
}

.emoji-btn {
    background: var(--bg-tertiary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.emoji-btn:hover {
    background: var(--theme-gradient);
    color: white;
}

.emoji-picker {
    position: absolute;
    bottom: 100%;
    left: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-lg);
}

.emoji {
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.emoji:hover {
    background: var(--bg-tertiary);
    transform: scale(1.2);
}

.post-comment-btn {
    background: var(--theme-gradient);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    transition: all var(--transition-medium);
}

.post-comment-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.comments-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.comment-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.comment-avatar {
    width: 40px;
    height: 40px;
    background: var(--theme-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.comment-content {
    flex: 1;
}

.comment-author {
    font-weight: 600;
    margin-bottom: 4px;
}

.comment-text {
    color: var(--text-secondary);
    line-height: 1.5;
}

.comment-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.comment-blocked {
    color: #f5576c;
    font-style: italic;
}

/* Swipe Modal */
.swipe-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 3000;
    display: none;
}

.swipe-modal.active {
    display: block;
}

.close-swipe {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-medium);
}

.close-swipe:hover {
    background: var(--theme-gradient);
    transform: rotate(90deg);
}

.swipe-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-medium);
}

.swipe-nav:hover {
    background: var(--theme-gradient);
}

.swipe-prev {
    left: 20px;
}

.swipe-next {
    right: 20px;
}

.swipe-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px;
}

.swipe-content img,
.swipe-content video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.swipe-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    padding: var(--spacing-xl);
    color: white;
}

/* Profile Modal */
.profile-modal-content {
    max-width: 900px;
}

.profile-header {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--theme-gradient);
    color: white;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.profile-info {
    flex: 1;
}

.profile-info h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.profile-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
}

.profile-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Space Mono', monospace;
}

.profile-stat .stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.profile-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.profile-tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.profile-tab:hover {
    color: var(--text-primary);
}

.profile-tab.active {
    color: var(--theme-primary);
    border-bottom-color: var(--theme-primary);
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    padding: var(--spacing-md);
}

.profile-grid img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.profile-grid img:hover {
    opacity: 0.8;
}

/* Advertisement */
.ad-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    z-index: 1500;
    max-width: 300px;
}

.ad-label {
    display: inline-block;
    background: var(--text-secondary);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.ad-banner {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.ad-banner img {
    width: 100%;
    display: block;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    font-size: 4rem;
    color: var(--theme-primary);
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .main-nav {
        width: 100%;
        overflow-x: auto;
    }
    
    .nav-btn span {
        display: none;
    }
    
    .feed-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .post-detail-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .stats-bar {
        overflow-x: auto;
    }
    
    .profile-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Thumbnail Selector */
.thumbnail-frames {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.thumbnail-frame {
    aspect-ratio: 16/9;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.thumbnail-frame:hover {
    border-color: var(--theme-primary);
}

.thumbnail-frame.selected {
    border-color: var(--theme-primary);
    box-shadow: 0 0 0 2px var(--theme-primary);
}

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

/* ========================================
   V2.0 NEW FEATURES
   ======================================== */

/* Comment Like/Dislike */
.comment-item {
    position: relative;
}

.comment-reactions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.reaction-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.reaction-btn.active.like {
    color: var(--theme-primary);
}

.reaction-btn.active.dislike {
    color: #f5576c;
}

.reaction-count {
    font-weight: 600;
    margin-left: 2px;
}

/* Enhanced File Preview */
.file-preview {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

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

.preview-header span {
    font-weight: 600;
    font-size: 0.9rem;
}

.remove-file {
    background: rgba(245, 87, 108, 0.1);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: #f5576c;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.remove-file:hover {
    background: #f5576c;
    color: white;
}

.preview-content {
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-content img {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--radius-sm);
}

.preview-content video {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--radius-sm);
}

.preview-content audio {
    width: 100%;
}

.file-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* Character Count */
.char-count {
    float: right;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Upload Requirements */
.upload-requirements {
    margin-top: var(--spacing-sm);
}

.upload-requirements small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Upload Progress */
.upload-progress {
    margin: var(--spacing-md) 0;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background: var(--theme-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Post Tags */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--theme-gradient);
    color: white;
    cursor: pointer;
}

/* Leaderboard Filters */
.leaderboard-filters {
    display: flex;
    gap: var(--spacing-xs);
}

.filter-btn {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.filter-btn.active {
    background: var(--theme-gradient);
    color: white;
}

/* Refresh Button */
.refresh-btn {
    background: var(--theme-gradient);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    transition: all var(--transition-medium);
}

.refresh-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

/* Action Buttons */
.action-btn {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-medium);
}

.action-btn:hover {
    background: var(--theme-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

/* Delete Button */
.delete-btn {
    width: 100%;
    background: rgba(245, 87, 108, 0.1);
    border: 1px solid rgba(245, 87, 108, 0.3);
    color: #f5576c;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    margin-top: var(--spacing-sm);
    transition: all var(--transition-medium);
}

.delete-btn:hover {
    background: #f5576c;
    color: white;
    border-color: #f5576c;
    transform: translateY(-2px);
}

/* Edit Actions */
.edit-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.post-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.edit-post-btn {
    background: var(--bg-tertiary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.edit-post-btn:hover {
    background: var(--theme-gradient);
    color: white;
    transform: translateY(-2px);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-width: 300px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideInRight 0.3s ease;
}

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

.toast.success {
    border-left: 4px solid #43e97b;
}

.toast.error {
    border-left: 4px solid #f5576c;
}

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

.toast.warning {
    border-left: 4px solid #fee140;
}

.toast-icon {
    font-size: 1.5rem;
}

.toast.success .toast-icon {
    color: #43e97b;
}

.toast.error .toast-icon {
    color: #f5576c;
}

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

.toast.warning .toast-icon {
    color: #fee140;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 4px;
}

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

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

/* Loading Spinner Enhancement */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.loading-spinner p {
    color: var(--text-secondary);
    font-weight: 600;
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .toast-container {
        right: 10px;
        left: 10px;
    }
    
    .toast {
        min-width: auto;
    }
    
    .leaderboard-filters {
        flex-wrap: wrap;
    }
    
    .post-actions {
        flex-direction: column;
    }
}