:root {
    --bg-color: #08080a;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-hover-bg: rgba(255, 255, 255, 0.08);
    --accent-color: #ff3e3e;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-blur: blur(16px);
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.glass {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Navbar */
.navbar {
    position: relative;
    z-index: 1000;
    padding: 1.2rem 2rem;
    border-top: none;
    border-left: none;
    border-right: none;
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-icon {
    color: var(--accent-color);
    width: 32px;
}

.accent {
    color: var(--accent-color);
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.7rem 1.5rem;
    width: 450px;
    border-radius: 50px;
    transition: var(--transition);
}

.search-bar:focus-within {
    background: rgba(255, 255, 255, 0.08);
    width: 500px;
    border-color: rgba(255, 255, 255, 0.2);
}

.search-icon {
    color: var(--text-secondary);
    width: 18px;
}

.search-bar input {
    background: none;
    border: none;
    color: white;
    width: 100%;
    outline: none;
    font-size: 1rem;
}

/* Grid & Layout Hub */
.main-layout-wrapper {
    transition: var(--transition);
}

.ad-sidebar {
    display: none; /* Hidden by default on smaller screens */
    margin-top: 1rem;
}

@media (min-width: 1450px) {
    .ad-sidebar {
        display: block;
    }
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding-top: 1rem;
    width: 100%;
}

@media (max-width: 600px) {
    .video-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: 1rem;
    }
}

.ad-container {
    transition: var(--transition);
    max-width: 100%;
    overflow: hidden;
}

.video-card {
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: var(--card-bg);
}

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

.thumb-wrapper {
    position: relative;
    aspect-ratio: 9 / 16; /* TikTok vertical ratio */
    background: #1a1a1e;
    overflow: hidden;
}

.thumb-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.2, 0, 0.2, 1);
}

/* TikTok Overlays */
.card-overlay-top {
    position: absolute;
    top: 0.8rem;
    left: 0.8rem;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    padding: 0.3rem 0.6rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.card-overlay-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2.5rem 1rem 1rem;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
    z-index: 10;
}

.card-title-overlay {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.engagement-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

.engagement-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Video Card Base */
.video-card {
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin: 4rem 0;
}

.page-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-btn:hover:not(.disabled) {
    background: white;
    color: black;
    transform: translateY(-2px);
}

.page-btn.disabled {
    opacity: 0.3;
    pointer-events: none;
}

.page-info {
    font-weight: 600;
    color: var(--text-secondary);
}

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

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

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

.play-icon-circle {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transform: scale(0.8);
    transition: var(--transition);
}

.video-card:hover .play-icon-circle {
    transform: scale(1);
    background: var(--accent-color);
}

.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 1100px;
    border-radius: 24px;
    overflow: hidden;
    animation: modalIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 2100;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close-btn:hover {
    background: var(--accent-color);
    transform: rotate(90deg);
}

.video-wrapper {
    width: 100%;
    background: black;
    line-height: 0;
}

.video-js {
    width: 100%;
    max-height: 75vh;
}

/* Customize Video.js theme color to match the app */
.video-js .vjs-play-progress, 
.video-js .vjs-slider-bar,
.video-js .vjs-volume-level {
    background-color: var(--accent-color);
}

.modal-content .video-info {
    background: rgba(255, 255, 255, 0.02);
}

/* Loader */
.loader-container {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10rem 0;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid var(--card-bg);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 2rem;
}

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

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

@media (max-width: 768px) {
    .navbar-container { flex-direction: column; gap: 1rem; }
    .search-bar { width: 100%; }
    .container { padding: 0.5rem; }
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    .user-avatar { width: 24px; height: 24px; }
    .user-name { font-size: 0.8rem; }
    .card-overlay-bottom { padding: 2rem 0.6rem 0.6rem; }
    .modal { padding: 1rem; }
    .modal-content { border-radius: 16px; }
}