@charset "UTF-8";

:root {
    --primary-color: #ff4757;
    --primary-hover: #ff6b81;
    --accent-color: #2ed573;
    --dark-bg: #121212;
    --dark-card: #1e1e1e;
    --dark-border: #2d2d2d;
    --text-main: #f1f1f1;
    --text-muted: #aaa;
    --text-light: #fff;
    --nav-height: 70px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    background-color: rgba(18, 18, 18, 0.95);
    border-bottom: 1px solid var(--dark-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--nav-height);
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-light);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-form {
    display: flex;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 4px;
    overflow: hidden;
}

.search-form input {
    background: transparent;
    border: none;
    padding: 6px 12px;
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
}

.search-form button {
    background: transparent;
    border: none;
    padding: 0 12px;
    color: var(--text-muted);
    cursor: pointer;
}

.btn-upload {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}

.btn-upload:hover {
    background-color: var(--primary-hover);
}

.main-content {
    min-height: calc(100vh - var(--nav-height) - 200px);
    padding: 30px 0;
}

.hero-section {
    background: linear-gradient(135deg, var(--dark-card), var(--dark-border));
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: 50px;
    margin-bottom: 40px;
    text-align: center;
}

.hero-section h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--text-light);
}

.hero-section p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 25px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--dark-border);
    padding-bottom: 10px;
}

.section-header h2 {
    font-size: 1.5rem;
    color: var(--text-light);
}

.more-link {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.video-card {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 6px;
    overflow: hidden;
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.thumbnail-box {
    position: relative;
    aspect-ratio: 16/9;
    background: #000;
}

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

.duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-light);
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 3px;
}

.video-info {
    padding: 15px;
}

.video-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.community-section {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 40px;
}

.topic-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.topic-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 6px;
}

.topic-title {
    font-weight: 500;
    color: var(--text-light);
}

.topic-info {
    display: flex;
    gap: 15px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.page-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.main-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.widget {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: 20px;
}

.widget h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-light);
    border-bottom: 1px solid var(--dark-border);
    padding-bottom: 8px;
}

.video-detail-container {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: 20px;
}

.player-box {
    aspect-ratio: 16/9;
    background: #000;
    margin-bottom: 20px;
    border-radius: 6px;
    overflow: hidden;
}

.video-actions {
    display: flex;
    gap: 15px;
    margin: 15px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--dark-border);
}

.btn-action {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-action:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.comment-box {
    margin-top: 30px;
}

.comment-box textarea {
    width: 100%;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 6px;
    padding: 12px;
    color: var(--text-main);
    resize: vertical;
    min-height: 100px;
    margin-bottom: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
    font-weight: 500;
}

.form-control {
    width: 100%;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 6px;
    padding: 10px 15px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-submit {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.btn-submit:hover {
    background-color: var(--primary-hover);
}

.static-page-content {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: 40px;
}

.static-page-content h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-light);
}

.static-page-content h2 {
    font-size: 1.4rem;
    margin: 25px 0 15px;
    color: var(--text-light);
}

.static-page-content p, 
.static-page-content ul {
    margin-bottom: 15px;
    color: var(--text-muted);
}

.static-page-content ul {
    padding-left: 20px;
}

.site-footer {
    background-color: var(--dark-card);
    border-top: 1px solid var(--dark-border);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h4 {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-col p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-col ul a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-col ul a:hover {
    color: var(--text-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--dark-border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .page-container {
        grid-template-columns: 1fr;
    }
    
    .hero-section {
        padding: 30px 20px;
    }
    
    .hero-section h1 {
        font-size: 1.8rem;
    }
}