:root {
    --bg: #0a0a0a;
    --card: #1a1a1a;
    --accent: #DE0404;
    --text: #e5e5e5;
    --muted: #999;
    --border: #2a2a2a;
}

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

body {
    font-family: 'Play', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
    background: rgba(10,10,10,0.97);
    border-bottom: 1px solid #333;
    position: sticky;
    top: 0;
    z-index: 50;
}
.nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.8rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.logo:hover { text-decoration: none; }
.logo-img {
    height: 42px;
    width: auto;
    display: block;
    object-fit: contain;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    flex-wrap: wrap;
}
.nav-links a { color: var(--text); font-size: 0.95rem; }
.nav-links a:hover { color: var(--accent); text-decoration: none; }
.user-badge { color: var(--muted); font-size: 0.9rem; }
.btn-small {
    background: var(--accent);
    color: #fff !important;
    padding: 0.35rem 0.85rem;
    border-radius: 4px;
    font-weight: 700;
}
.btn-small:hover { background: #b80303; text-decoration: none; }

/* Flash */
.flash {
    max-width: 1100px;
    margin: 1rem auto 0;
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    font-weight: 700;
}
.flash-success { background: #1a3a1a; color: #6AC46D; border: 1px solid #2a5a2a; }
.flash-error   { background: #3a1a1a; color: #ff6b6b; border: 1px solid #5a2a2a; }
.flash-info    { background: #1a2a3a; color: #6ba3ff; border: 1px solid #2a3a5a; }

/* Main */
.main {
    flex: 1;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 1.75rem 1.25rem 3rem;
}

h1 { font-size: 1.85rem; margin-bottom: 1.25rem; color: #fff; }
h2 { font-size: 1.35rem; margin-bottom: 1rem; color: #fff; }

/* Cards / grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}
.video-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}
.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(222,4,4,0.12);
}
.video-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    background: #222;
}
.video-card .info { padding: 0.9rem 1rem 1.1rem; }
.video-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
    color: #fff;
    line-height: 1.3;
}
.video-card .meta { font-size: 0.85rem; color: var(--muted); }
.video-card .expert { color: var(--accent); }

/* Forms */
.form-box {
    max-width: 420px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.75rem;
}
.form-box label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: var(--muted);
}
.form-box input,
.form-box textarea,
.form-box select {
    width: 100%;
    padding: 0.65rem 0.75rem;
    margin-bottom: 1rem;
    background: #111;
    border: 1px solid #333;
    border-radius: 4px;
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
}
.form-box textarea { min-height: 110px; resize: vertical; }
.form-box input:focus,
.form-box textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.7rem 1.4rem;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
}
.btn:hover { background: #b80303; }
.btn-secondary {
    background: #333;
}
.btn-secondary:hover { background: #444; }
.btn-block { width: 100%; text-align: center; }

/* Video page */
.video-player {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1.25rem;
}
.video-player iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    border: 0;
}
.video-meta { margin-bottom: 1.5rem; color: var(--muted); font-size: 0.95rem; }
.video-desc { margin-bottom: 2rem; white-space: pre-wrap; }

/* Comments */
.comments-section { margin-top: 2rem; border-top: 1px solid var(--border); padding-top: 1.5rem; }
.comment {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.9rem 1rem;
    margin-bottom: 0.75rem;
}
.comment .author { font-weight: 700; color: var(--accent); margin-bottom: 0.25rem; }
.comment .date { font-size: 0.8rem; color: var(--muted); float: right; }
.comment .body { clear: both; white-space: pre-wrap; }

/* Admin */
.admin-nav {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}
.admin-table th,
.admin-table td {
    padding: 0.65rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.admin-table th { color: var(--muted); font-weight: 400; }
.admin-table tr:hover td { background: #151515; }
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    font-size: 0.8rem;
    background: #333;
}
.badge-admin { background: var(--accent); color: #fff; }

/* Footer */
.site-footer {
    text-align: center;
    padding: 1.75rem;
    border-top: 1px solid #333;
    color: var(--muted);
    font-size: 0.9rem;
}
.site-footer .brand { color: var(--accent); font-weight: 700; }

/* Utility */
.empty { text-align: center; color: var(--muted); padding: 3rem 1rem; }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }

@media (max-width: 600px) {
    .nav-links { gap: 0.7rem; }
    .video-grid { grid-template-columns: 1fr; }
}

/* Search */
.search-form {
    display: flex;
    gap: 0.4rem;
    flex: 1;
    max-width: 320px;
    margin: 0 0.75rem;
}
.search-form input[type="search"] {
    flex: 1;
    padding: 0.45rem 0.7rem;
    background: #111;
    border: 1px solid #333;
    border-radius: 4px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
}
.search-form input[type="search"]:focus {
    outline: none;
    border-color: var(--accent);
}
.search-form button {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.45rem 0.85rem;
    border-radius: 4px;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.9rem;
}
.search-form button:hover { background: #b80303; }
.search-form-page {
    max-width: 520px;
    margin-left: 0;
}

@media (max-width: 700px) {
    .search-form { max-width: none; order: 3; width: 100%; margin: 0.5rem 0 0; }
    .nav { flex-wrap: wrap; }
}


/* Category bar with dropdowns */
.category-bar {
    border-top: 1px solid #222;
    background: #0d0d0d;
}
.category-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.45rem 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
    align-items: center;
}
.cat-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.88rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    transition: color 0.15s, background 0.15s;
    display: inline-block;
}
.cat-link:hover {
    color: #fff;
    background: #1a1a1a;
    text-decoration: none;
}
.cat-link.active {
    color: #fff;
    background: var(--accent);
    font-weight: 700;
}

.cat-dropdown {
    position: relative;
}
.cat-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    max-height: min(70vh, 420px);
    overflow-y: auto;
    overscroll-behavior: contain;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 0.4rem 0;
    z-index: 60;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.cat-dropdown:hover .cat-dropdown-menu {
    display: block;
}
.cat-dropdown-menu a {
    display: block;
    padding: 0.45rem 1rem;
    color: var(--text);
    text-decoration: none;
    font-size: 0.88rem;
    white-space: nowrap;
}
.cat-dropdown-menu a:hover {
    background: #252525;
    color: #fff;
    text-decoration: none;
}
.cat-dropdown-menu a.active {
    color: var(--accent);
    font-weight: 700;
}

/* Scrollable dropdown for long lists (Experts) */
.cat-dropdown-menu {
    max-height: min(70vh, 420px);
    overflow-y: auto;
    overscroll-behavior: contain;
}
.cat-dropdown-menu::-webkit-scrollbar {
    width: 6px;
}
.cat-dropdown-menu::-webkit-scrollbar-track {
    background: #111;
}
.cat-dropdown-menu::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 3px;
}
.cat-dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: #666;
}


/* Infinite scroll */
#scroll-sentinel {
    height: 1px;
    width: 100%;
    margin: 1rem 0;
}
.infinite-loader {
    text-align: center;
    color: var(--muted);
    padding: 1.25rem;
    font-size: 0.95rem;
}
.infinite-loader.done {
    color: var(--accent);
}
.infinite-loader .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #333;
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: -3px;
    margin-right: 0.4rem;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.result-count {
    color: var(--muted);
    font-size: 0.9rem;
    margin: -0.5rem 0 1.25rem;
}