/* VANTAGE - Premium Dark Theme Video Platform CSS */

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Montserrat:wght@700;900&display=swap');

/* CSS Variables */
:root {
    /* Color Palette: Deep Space & Neon */
    --bg-canvas: #0F0F11;
    --surface-card: rgba(26, 26, 30, 0.9);
    --surface-hover: rgba(40, 40, 50, 0.9);
    --primary-start: #6C63FF;
    --primary-end: #00D4FF;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B0;
    --error-red: #FF4757;
    --success-green: #2ECC71;
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--primary-start), var(--primary-end));
    
    /* Shadows */
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(108, 99, 255, 0.3);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 50px;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    background: rgba(26, 26, 30, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: background 0.3s ease;
}

.navbar.scrolled {
    background: rgba(26, 26, 30, 0.95);
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary-end);
    border-radius: 50%;
    margin-left: 4px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.9); }
}

/* Search Bar */
.search-container {
    flex: 1;
    max-width: 500px;
    margin: 0 40px;
}

.search-bar {
    position: relative;
    width: 100%;
}

.search-bar input {
    width: 100%;
    padding: 12px 20px 12px 50px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-pill);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.search-bar input::placeholder {
    color: var(--text-secondary);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-start);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-glow);
}

.search-bar .search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Auth Buttons */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    padding: 10px 24px;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
}

.btn-ghost {
    background: transparent;
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
}

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

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

.btn-danger:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.username {
    color: var(--text-primary);
    font-weight: 500;
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    height: 80vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 80px;
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://aisexvideoer.top/back.png');
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    z-index: -2;
}

.hero-bg-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 17, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: -1;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 30px;
}

.btn-cta {
    padding: 16px 40px;
    font-size: 1.1rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-pill);
    color: white;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 30px rgba(108, 99, 255, 0.4);
}

/* ===== TWIN SHOWCASE (2 Category Cards) ===== */
.trinity-section {
    padding: 60px 40px;
}

.trinity-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.category-card {
    background: var(--surface-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.category-thumbnail {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.category-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.category-card:hover .category-thumbnail img {
    transform: scale(1.05);
}

.category-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 15, 17, 0.9), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.category-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.category-info {
    padding: 20px;
}

.category-info h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.category-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Category Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-live {
    background: var(--error-red);
    color: white;
}

.badge-live::before {
    content: '';
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 1s infinite;
}

.badge-4k {
    background: var(--gradient-primary);
    color: white;
}

.badge-new {
    background: var(--success-green);
    color: white;
}

/* ===== VIDEO SECTIONS ===== */
.video-section {
    padding: 60px 40px;
    max-width: 1600px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.video-card {
    background: var(--surface-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.video-thumbnail {
    position: relative;
    padding-top: 56.25%;
    background: rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-thumbnail .placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1e, #2a2a2e);
    color: var(--text-secondary);
    font-size: 3rem;
}

.play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.play-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.video-card:hover .play-icon {
    transform: scale(1.1);
}

.video-info {
    padding: 16px;
}

.video-title {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.video-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.like-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    padding: 5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.like-btn:hover {
    color: var(--error-red);
    transform: scale(1.1);
}

.like-btn.liked {
    color: var(--error-red);
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background: var(--surface-hover);
    border-color: var(--primary-start);
}

.page-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
}

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

.page-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0 16px;
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--surface-card);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    position: relative;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

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

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 8px;
    text-align: center;
}

.modal-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-start);
    background: rgba(255, 255, 255, 0.08);
}

.form-error {
    color: var(--error-red);
    font-size: 0.85rem;
    margin-top: 6px;
}

.form-submit {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
}

.form-switch {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
}

.form-switch a {
    color: var(--primary-end);
    text-decoration: none;
    font-weight: 500;
}

.form-switch a:hover {
    text-decoration: underline;
}

/* ===== VIDEO PLAYER PAGE ===== */
.player-container {
    max-width: 1200px;
    margin: 100px auto 40px;
    padding: 0 20px;
}

.video-player-wrapper {
    position: relative;
    padding-top: 56.25%;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.video-player-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.player-info {
    padding: 24px 0;
}

.player-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

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

/* ===== LOADING ===== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-start);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== ALERTS ===== */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(255, 71, 87, 0.15);
    border: 1px solid var(--error-red);
    color: var(--error-red);
}

.alert-success {
    background: rgba(46, 204, 113, 0.15);
    border: 1px solid var(--success-green);
    color: var(--success-green);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* ===== TABS ===== */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 16px;
}

.tab-btn {
    padding: 10px 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: var(--radius-sm);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: var(--text-primary);
    background: var(--gradient-primary);
}

/* ===== FOOTER ===== */
.footer {
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 60px;
}

.footer p {
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .trinity-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .navbar {
        flex-wrap: wrap;
        height: auto;
        padding: 16px 20px;
        gap: 16px;
    }
    
    .search-container {
        order: 3;
        flex: 1 1 100%;
        max-width: none;
        margin: 0;
    }
    
    .nav-actions {
        gap: 8px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .hero-section {
        height: 60vh;
        min-height: 400px;
        margin-top: 120px;
    }
    
    .video-section {
        padding: 40px 20px;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 16px;
    }
    
    .modal {
        margin: 20px;
        padding: 30px 24px;
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
}