/* CSS Variables */
:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #13172e;
    --bg-tertiary: #1a1f3a;
    --accent-primary: #e50914;
    --accent-secondary: #ff1744;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666;
    --gold: #ffd700;
    --silver: #c0c0c0;
    --bronze: #cd7f32;
    --success: #4caf50;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --glow: 0 0 20px rgba(229, 9, 20, 0.5);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #0f1228 50%, var(--bg-primary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* App Container */
.app-container {
    display: grid;
    grid-template-columns: 240px 1fr 300px;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid rgba(255,255,255,0.05);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu, .nav-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.nav-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    letter-spacing: 0.5px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
    transform: translateX(4px);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.2), rgba(255, 23, 68, 0.1));
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.nav-icon {
    font-size: 1.2rem;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Main Content */
.main-content {
    overflow-y: auto;
    padding: var(--spacing-xl);
}

.content-section {
    margin-bottom: var(--spacing-xl);
}

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

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.see-all {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

/* Trending Grid */
.trending-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 16/9;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: scale(1.02);
    box-shadow: var(--glow);
}

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

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.card-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

/* Cards Row */
.cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.media-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

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

.card-poster {
    position: relative;
    aspect-ratio: 2/3;
    overflow: hidden;
}

.card-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.media-card:hover .card-poster img {
    transform: scale(1.05);
}

.card-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold);
}

.progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255,255,255,0.2);
}

.progress-fill {
    height: 100%;
    background: var(--accent-primary);
    transition: width 0.3s ease;
    animation: pulse 2s ease-in-out infinite;
}

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

.card-content {
    padding: var(--spacing-md);
}

.card-content h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

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

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1);
}

.btn-icon.active {
    background: var(--success);
}

/* Right Panel */
.right-panel {
    background: var(--bg-secondary);
    border-left: 1px solid rgba(255,255,255,0.05);
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.search-box {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 40px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.9rem;
}

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

.search-icon {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
}

.panel-section {
    margin-bottom: var(--spacing-xl);
}

.panel-section h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.genre-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.chip {
    padding: 6px 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.chip:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.chip.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.mini-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mini-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mini-item:hover {
    background: rgba(255,255,255,0.05);
}

.mini-item img {
    width: 40px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.mini-info {
    flex: 1;
    overflow: hidden;
}

.mini-title {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-lg);
    font-size: 0.9rem;
}

.empty-state-small {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-md);
    font-size: 0.85rem;
}

/* === LEADERBOARD STYLES === */
.leaderboard-container {
    min-height: 100vh;
    background: var(--bg-primary);
    padding: var(--spacing-lg);
}

.leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

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

.back-btn {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.logo-small {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

/* Podium Section */
.podium-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.1), rgba(255, 23, 68, 0.05));
    border-radius: var(--radius-xl);
}

.podium-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-primary), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.podium-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.podium {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.podium-place {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.avatar-container {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    border: 4px solid;
    background: var(--bg-tertiary);
}

.avatar.gold {
    border-color: var(--gold);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

.avatar.silver {
    border-color: var(--silver);
    box-shadow: 0 0 30px rgba(192, 192, 192, 0.5);
}

.avatar.bronze {
    border-color: var(--bronze);
    box-shadow: 0 0 30px rgba(205, 127, 50, 0.5);
}

.place-1 .avatar {
    width: 100px;
    height: 100px;
    font-size: 3rem;
}

.crown {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
}

.place-info {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.place-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.place-score {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: var(--spacing-xs);
}

.place-stats {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.platform {
    width: 100%;
    height: 80px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
}

.platform-gold {
    background: linear-gradient(135deg, var(--gold), #ffed4e);
    height: 120px;
}

.platform-silver {
    background: linear-gradient(135deg, var(--silver), #e0e0e0);
    height: 90px;
}

.platform-bronze {
    background: linear-gradient(135deg, var(--bronze), #e09854);
    height: 70px;
}

/* Leaderboard Grid */
.leaderboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.rankings-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.rankings-section h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-lg);
}

.rankings-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.ranking-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.ranking-item:hover {
    background: rgba(255,255,255,0.05);
    transform: translateX(4px);
}

.ranking-item.top-three {
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.1), rgba(255, 23, 68, 0.05));
}

.rank-number {
    font-size: 1.3rem;
    font-weight: 800;
    min-width: 30px;
    color: var(--text-muted);
}

.rank-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    border: 2px solid rgba(255,255,255,0.1);
}

.rank-info {
    flex: 1;
}

.rank-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.rank-stats {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    gap: var(--spacing-xs);
}

.rank-score {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-primary);
}

/* Sidebar */
.leaderboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.competition-section, .activity-section, .progress-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.competition-section h3, .activity-section h3, .progress-section h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.competition-timer {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.timer-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.timer-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-primary);
    font-variant-numeric: tabular-nums;
}

.competition-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.competition-prize {
    text-align: center;
}

.prize-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.prize-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gold);
}

.btn-full {
    width: 100%;
}

.activity-feed {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

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

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

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

.activity-text em {
    color: var(--accent-primary);
    font-style: normal;
}

.activity-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.activity-points {
    color: var(--success);
    font-weight: 600;
}

.progress-card {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.progress-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-primary);
    margin-bottom: 4px;
}

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

.rank-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.2), rgba(255, 23, 68, 0.1));
    border-radius: var(--radius-md);
    font-weight: 600;
}

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

/* === LANDING PAGE === */
.landing-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1a0f2e 50%, var(--bg-primary) 100%);
}

.landing-container {
    max-width: 600px;
    text-align: center;
    padding: var(--spacing-xl);
}

.landing-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--glow);
}

.landing-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-primary), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.landing-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.landing-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.landing-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    text-decoration: none;
}

.landing-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.feature-icon {
    font-size: 2rem;
}

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

/* === RESPONSIVE === */
@media (max-width: 1200px) {
    .app-container {
        grid-template-columns: 200px 1fr 280px;
    }
    
    .leaderboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    .app-container {
        grid-template-columns: 60px 1fr;
    }
    
    .right-panel {
        display: none;
    }
    
    .sidebar .app-title,
    .sidebar .nav-item span:not(.nav-icon),
    .sidebar .nav-section-title {
        display: none;
    }
    
    .sidebar {
        padding: var(--spacing-md);
    }
    
    .trending-grid {
        grid-template-columns: 1fr;
    }
    
    .cards-row {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .podium {
        flex-direction: column;
        align-items: center;
    }
    
    .podium-place {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 640px) {
    .main-content {
        padding: var(--spacing-md);
    }
    
    .cards-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .landing-title {
        font-size: 2rem;
    }
    
    .landing-actions {
        flex-direction: column;
    }
    
    .landing-features {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}