/* ====================================================
   PLAYNEST — "Cinema Ledger" design system
   A dark, warm, editorial catalog aesthetic.
   Serif (Fraunces) for titles, Mono (JetBrains Mono)
   for all metadata/labels/numerals, brass-gold accent.
==================================================== */

:root {
    --bg: #14110d;
    --bg-panel: #1b1712;
    --bg-elevated: #221d16;
    --border: #332920;
    --border-soft: #241f17;
    --ink: #f3ead9;
    --ink-dim: #a89b83;
    --ink-faint: #6e6250;
    --gold: #c9a24a;
    --gold-dim: rgba(201, 162, 74, 0.35);
    --gold-faint: rgba(201, 162, 74, 0.14);
    --oxblood: #9c3b2c;
    --serif: 'Fraunces', Georgia, 'Songti SC', serif;
    --mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, Consolas, monospace;
}

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

body {
    background-color: var(--bg);
    color: var(--ink);
    font-family: var(--mono);
    font-size: 13px;
    position: relative;
}

/* subtle film-grain overlay across the whole site */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 999999;
    opacity: 0.05;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

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

/* film-tick divider — the recurring signature motif */
.film-ticks {
    height: 5px;
    background-image: repeating-linear-gradient(90deg, var(--gold) 0 1px, transparent 1px 9px);
    opacity: 0.45;
}

/* 1. Header trên cùng */
.page-wrap {
    max-width: 1080px;
    margin: 0 auto;
    background-color: var(--bg-panel);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    padding: 0 10px;
}

header {
    position: sticky;
    top: 0;
    z-index: 500;
    background-color: var(--bg-panel);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.header-left {
    display: none;
    align-items: center;
    gap: 16px;
}

.menu-toggle,
.search-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--ink);
    font-size: 20px;
    cursor: pointer;
    padding: 6px;
    border-radius: 5px;
}

.logo-link {
    display: flex;
}

.logo-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-family: var(--serif);
    font-style: italic;
    font-weight: 600;
    font-size: 17px;
}

.logo-text {
    font-family: var(--mono);
    font-weight: 600;
    font-size: 17px;
    letter-spacing: 3px;
    color: var(--ink);
    border-bottom: 1px solid var(--gold-dim);
    padding-bottom: 2px;
}

/* Khung tìm kiếm */
.search-container {
    display: flex;
    width: 40%;
    max-width: 560px;
    position: relative;
}

.search-container input {
    width: 100%;
    padding: 9px 40px 9px 4px;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 13px;
    color: var(--ink);
    letter-spacing: 0.3px;
}

.search-container input::placeholder {
    color: var(--ink-faint);
}

.search-container input:focus {
    outline: none;
    border-bottom-color: var(--gold);
}

.search-btn {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    padding: 0 6px;
    cursor: pointer;
    color: var(--gold);
}

/* Phía bên phải Header: Biểu tượng */
.header-right {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--ink-dim);
}

.header-right .icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid transparent;
    border-radius: 5px;
    background: none;
    cursor: pointer;
    color: var(--ink-dim);
}

.header-right .icon-btn:hover {
    border-color: var(--gold-dim);
    color: var(--gold);
}

/* 2. Thanh điều hướng chính */
.main-nav {
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border);
}


.site-warning-bar {
    padding: 8px 20px;
    background: var(--gold-faint);
    border-bottom: 1px solid var(--gold-dim);
}

.site-warning-track {
    max-width: 1200px;
    margin: 0 auto;
}

.site-warning-text {
    color: var(--gold);
    font-family: var(--mono);
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.2px;
    white-space: normal;
    word-break: break-word;
    text-align: center;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 0;
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 34px;
    flex-wrap: wrap;
}

.nav-item {
    font-family: var(--serif);
    font-style: normal;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--ink-dim);
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.nav-num {
    font-family: var(--mono);
    font-style: normal;
    font-size: 10px;
    color: var(--gold);
}

.nav-item:hover,
.nav-item.active {
    color: var(--ink);
}

.nav-item:hover .nav-label,
.nav-item.active .nav-label {
    text-decoration: underline;
    text-decoration-color: var(--gold);
    text-underline-offset: 5px;
}

/* Lớp phủ nền khi mở menu */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(10, 8, 6, 0.7);
    backdrop-filter: blur(2px);
    z-index: 999;
}

.nav-overlay.open {
    display: block;
}

/* 3. Container nội dung chính */
.main-content {
    max-width: 1200px;
    margin: 24px auto 0 auto;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.3px;
    color: var(--ink-faint);
    margin-bottom: 22px;
}

.breadcrumb a {
    color: var(--ink-dim);
}

.crumb-home {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.breadcrumb a:hover {
    color: var(--gold);
    text-decoration: underline;
    text-decoration-color: var(--gold-dim);
}

.breadcrumb .crumb-current {
    color: var(--ink);
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.breadcrumb .crumb-sep {
    color: var(--gold);
}

.eyebrow {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--serif);
    font-style: normal;
    font-size: 25px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 18px 0;
}

.section-heading::before {
    content: "";
    display: inline-block;
    width: 5px;
    height: 21px;
    background-color: var(--gold);
}

/* ==================== Xu hướng nổi bật Trending strip ====================
   Module độc lập với danh sách bên dưới, dùng chung kiểu dáng ảnh bìa 16:9
   (video-thumb-box / video-meta-box).
==================================================== */
.trending-section {
    padding-bottom: 26px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-soft);
}

.trending-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px 8px;
}

.trending-item {
    display: flex;
    flex-direction: column;
}

.dot {
    color: var(--gold);
    margin: 0 6px;
}

/* ==================== Lưới danh mục ====================
   Máy tính / Máy tính bảng hiển thị dạng lưới card; Thiết bị di động hiển thị dạng danh sách
   (xem @media max-width:768px), phân biệt với mục xu hướng nổi bật.
==================================================== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px 8px;
}

.video-item {
    display: flex;
    flex-direction: column;
}

.video-thumb-box {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background-color: #000;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.video-item:hover .video-thumb-box {
    border-color: var(--gold);
    box-shadow: 0 0 0 1px var(--gold), 0 10px 26px -8px rgba(201, 162, 74, 0.45);
}

.video-thumb-box a {
    position: absolute;
    inset: 0;
    display: block;
}

.video-thumb-box img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.9) contrast(1.05);
    transition: transform 0.4s ease;
}

.video-item:hover .video-thumb-box img {
    transform: scale(1.045);
}

/* Thời lượng video ở góc dưới bên phải */
.duration-badge {
    position: absolute;
    bottom: 6px;
    right: 6px;
    background-color: rgba(20, 17, 13, 0.88);
    color: var(--ink);
    font-family: var(--mono);
    font-weight: 700;
    font-size: 11px;
    padding: 2px 6px;
    border: 1px solid var(--gold-dim);
    border-radius: 3px;
}

/* Khu vực thông tin văn bản */
.video-meta-box {
    padding-top: 11px;
    text-align: left;
}

.video-title {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 200;
    color: var(--ink);
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}

.video-title:hover {
    color: var(--gold);
    text-decoration: underline;
    text-decoration-color: var(--gold-dim);
}

.video-sub-info {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-dim);
    letter-spacing: 0.3px;
}

.video-sub-info::before {
    content: "\25C6";
    color: var(--gold);
    margin-right: 5px;
}

/* view-more link under a shortened home index */
.view-all-link {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    margin-top: 30px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--gold);
    border-bottom: 1px solid var(--gold-dim);
    padding-bottom: 3px;
}

.view-all-link:hover {
    border-bottom-color: var(--gold);
}

/* Lối vào tìm kiếm phổ biến */
.popular-searches {
    margin-top: 44px;
    padding-top: 30px;
    border-top: 1px solid var(--border-soft);
}

.search-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.search-chip {
    border: 1px solid var(--border);
    border-radius: 20px;
    background-color: var(--bg-panel);
    color: var(--ink-dim);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.3px;
    padding: 7px 14px;
}

.search-chip:hover {
    border-color: var(--gold);
    color: var(--gold);
    background-color: var(--bg-elevated);
}

.load-more-row {
    display: flex;
    justify-content: center;
    margin-top: 36px;
}

.load-more-btn {
    background: transparent;
    border: 1px solid var(--gold);
    border-radius: 5px;
    color: var(--gold);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 11px 34px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.load-more-btn:hover {
    background-color: var(--gold);
    color: var(--bg);
}

/* 4. Phân trang */
.pagination-container {
    margin: 46px 0 30px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    font-family: var(--mono);
}

.page-nav {
    font-size: 11px;
    letter-spacing: 1.5px;
    color: var(--ink-dim);
    padding: 8px 4px;
}

.page-nav:hover {
    color: var(--gold);
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 6px;
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--ink-dim);
    font-size: 12px;
}

.page-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.page-btn.is-active {
    background-color: var(--gold);
    border-color: var(--gold);
    color: var(--bg);
    font-weight: 700;
}

.page-ellipsis {
    color: var(--ink-faint);
    padding: 0 2px;
}

/* 5. Chân trang Footer */
.site-footer {
    margin-top: 50px;
    padding: 0 15px;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 24px;
    padding: 26px 0 22px;
}

.footer-brand .logo-box {
    margin-bottom: 10px;
}

.footer-tagline {
    font-family: var(--mono);
    font-size: 11px;
    line-height: 1.7;
    color: var(--ink-faint);
    max-width: 260px;
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.5px;
    color: var(--ink-dim);
    border-bottom: 1px solid transparent;
    padding-bottom: 3px;
}

.footer-links a:hover {
    color: var(--gold);
    border-bottom-color: var(--gold-dim);
}

.footer-copy {
    padding: 16px 0 30px;
    border-top: 1px solid var(--border-soft);
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .footer-grid {
        flex-direction: column;
        gap: 20px;
    }
}

/* ==================== Cửa sổ đăng nhập ==================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(10, 8, 6, 0.75);
    backdrop-filter: blur(2px);
    z-index: 1200;
}

.modal-overlay.open {
    display: block;
}

.login-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 340px;
    max-width: calc(100vw - 40px);
    background-color: var(--bg-elevated);
    border: 1px solid var(--gold-dim);
    border-radius: 8px;
    padding: 30px 26px 26px;
    z-index: 1201;
}

.login-modal.open {
    display: block;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    border-radius: 4px;
    color: var(--ink-dim);
    font-family: var(--mono);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
}

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

.modal-title {
    font-family: var(--serif);
    font-style: italic;
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    margin: 4px 0 10px;
}

.modal-sub {
    font-family: var(--mono);
    font-size: 11px;
    line-height: 1.6;
    color: var(--ink-faint);
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.oauth-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--ink);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.4px;
    padding: 11px 14px;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.oauth-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.oauth-btn svg {
    flex-shrink: 0;
}

/* ==================== Trang phát video ==================== */
.player-box {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background-color: #000;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.player-box img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.9) contrast(1.05);
}

.frame-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gold);
    opacity: 0.85;
    z-index: 2;
    pointer-events: none; /* Lớp phủ trang trí, không cản trở tương tác thanh điều khiển */
}

.frame-corner.tl { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.frame-corner.tr { top: 12px; right: 12px; border-left: none; border-bottom: none; }
.frame-corner.bl { bottom: 12px; left: 12px; border-right: none; border-top: none; }
.frame-corner.br { bottom: 12px; right: 12px; border-left: none; border-top: none; }

.player-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: rgba(20, 17, 13, 0.55);
    border: 1px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    cursor: pointer;
    z-index: 2;
}

.player-play-btn:hover {
    background-color: rgba(20, 17, 13, 0.8);
}

.player-title {
    margin-top: 20px;
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--ink);
}

.player-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-soft);
    color: var(--ink-dim);
    font-family: var(--mono);
    font-size: 12px;
}

.player-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.player-action-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    background-color: transparent;
    color: var(--ink-dim);
    padding: 7px 13px;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.5px;
    cursor: pointer;
}

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

/* Thanh thông tin kênh */
.channel-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 18px 0;
    border-bottom: 1px solid var(--border-soft);
}

.channel-id {
    display: flex;
    align-items: center;
    gap: 12px;
}

.channel-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gold);
    border-radius: 50%;
    color: var(--gold);
    font-family: var(--serif);
    font-style: italic;
    font-size: 18px;
    flex-shrink: 0;
}

.channel-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.channel-name {
    font-family: var(--serif);
    font-size: 15px;
    color: var(--ink);
}

.channel-subs {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--ink-faint);
}

.subscribe-btn {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--gold);
    border-radius: 5px;
    color: var(--gold);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 1px;
    padding: 9px 18px;
    cursor: pointer;
    text-decoration: none;
}

.subscribe-btn:hover {
    background-color: var(--gold);
    color: var(--bg);
}

.player-description {
    padding: 18px 0 18px 14px;
    color: var(--ink-dim);
    font-family: var(--serif);
    font-style: italic;
    font-size: 14px;
    line-height: 1.7;
    border-left: 2px solid var(--gold-dim);
    margin: 16px 0 0;
}

.video-tags-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    padding: 18px 0;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--border-soft);
}

.category-pill {
    background-color: var(--gold);
    color: var(--bg);
    font-family: var(--mono);
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 4px;
}

.category-pill:hover {
    background-color: var(--ink);
}

.tag-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag-chip {
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--ink-dim);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.3px;
    padding: 5px 10px;
}

.tag-chip::before {
    content: "#";
    color: var(--gold);
}

.tag-chip:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.player-section {
    padding-bottom: 10px;
}

/* Khu vực bình luận */
.comments-section {
    padding-bottom: 34px;
    margin-bottom: 34px;
    border-bottom: 1px solid var(--border-soft);
}

.comment-count {
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 400;
    color: var(--ink-faint);
}

.comment-composer {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
}

.comment-avatar {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--gold);
    border-radius: 50%;
    color: var(--gold);
    font-family: var(--serif);
    font-style: italic;
    font-size: 14px;
}

.comment-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comment-input-wrap {
    flex: 1;
    min-width: 0;
}

.comment-input {
    width: 100%;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--ink);
    font-family: var(--serif);
    font-size: 14px;
    line-height: 1.6;
    padding: 10px 12px;
    resize: none;
    transition: border-color 0.2s ease;
}

.comment-input::placeholder {
    color: var(--ink-faint);
}

.comment-input:focus {
    outline: none;
    border-color: var(--gold);
}

.comment-actions-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

.comment-submit-btn {
    background: transparent;
    border: 1px solid var(--gold);
    border-radius: 5px;
    color: var(--gold);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 1px;
    padding: 8px 18px;
    cursor: pointer;
}

.comment-submit-btn:hover {
    background-color: var(--gold);
    color: var(--bg);
}

.comment-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.comment-item {
    display: flex;
    gap: 12px;
}

.comment-body {
    flex: 1;
    min-width: 0;
}

.comment-head {
    display: flex;
    align-items: baseline;
    gap: 9px;
    margin-bottom: 5px;
}

.comment-author {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 14px;
    color: var(--ink);
}

.comment-time {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.3px;
    color: var(--ink-faint);
}

.comment-text {
    font-family: var(--serif);
    font-size: 14px;
    line-height: 1.6;
    color: var(--ink-dim);
}

.comment-footer {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-top: 8px;
}

.comment-like-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.3px;
    cursor: pointer;
    padding: 0;
}

.comment-like-btn:hover {
    color: var(--gold);
}

/* Phản hồi bình luận */
.comment-replies {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 16px;
    padding-left: 18px;
    border-left: 2px solid var(--border-soft);
}

.comment-replies .comment-item {
    gap: 10px;
}

.comment-replies .comment-avatar {
    width: 28px;
    height: 28px;
    font-size: 12px;
}

.comment-replies .comment-author {
    font-size: 13px;
}

.comment-replies .comment-text {
    font-size: 13px;
}

.reply-to {
    color: var(--gold);
    font-weight: 600;
}

/* ==================== Phân chia điểm ngắt Responsive ====================
   PC: >= 1025px (Lưới 3 cột)
   Máy tính bảng Tablet: 769px - 1024px (2 cột)
   Di động Mobile: <= 768px (Danh sách 1 cột + Menu trượt)
==================================================== */

@media (min-width: 769px) {
    header {
        height: 66px;
    }

    .header-inner {
        height: 100%;
        padding: 0;
    }

    .main-nav {
        position: sticky;
        top: 66px;
        z-index: 499;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px 6px;
    }

    .trending-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px 6px;
    }

    .main-nav {
        overflow-x: auto;
        scrollbar-width: none;
    }

    .main-nav::-webkit-scrollbar {
        display: none;
    }

    .nav-inner {
        justify-content: flex-start;
        flex-wrap: nowrap;
        gap: 26px;
        padding: 14px 4px;
    }

    .nav-item {
        flex-shrink: 0;
    }
}

@media (max-width: 768px) {
    .page-wrap {
        padding: 0;
        border-left: none;
        border-right: none;
    }

    header {
        margin: 0;
    }

    .header-inner {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
        padding: 15px 15px;
        gap: 10px 0;
    }

    .header-left {
        display: flex;
        grid-row: 1;
        grid-column: 1;
        justify-self: start;
    }

    .logo-box {
        grid-row: 1;
        grid-column: 2;
        justify-self: center;
    }

    .logo-text {
        font-size: 15px;
        letter-spacing: 2px;
    }

    .header-right {
        grid-row: 1;
        grid-column: 3;
        justify-self: end;
        gap: 10px;
    }

    .menu-toggle,
    .search-toggle {
        display: flex;
        align-items: center;
    }

    .search-container {
        display: none;
        grid-row: 2;
        grid-column: 1 / -1;
        width: 100%;
        max-width: 100%;
        margin-top: 8px;
    }

    .search-container.show {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: -280px;
        width: 260px;
        height: 100%;
        margin: 0;
        background-color: var(--bg-elevated);
        border-right: 1px solid var(--border);
        padding: 24px 20px;
        overflow-y: auto;
        transition: left 0.3s ease;
        z-index: 1000;
    }

    .main-nav.open {
        left: 0;
    }

    .nav-inner {
        max-width: none;
        margin: 0;
        padding: 0;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 22px;
    }

    /* Xu hướng trang chủ: Thiết bị di động hiển thị 2 cột card, ảnh bìa 16:9 */
    .trending-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 8px;
    }

    /* Các danh sách khác: Di động giữ ảnh bên trái, chữ bên phải */
    .video-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .video-item {
        flex-direction: row;
        gap: 14px;
        padding: 16px 0;
        border-bottom: 1px solid var(--border-soft);
    }

    .video-grid .video-thumb-box {
        width: 132px;
        height: 74px;
        flex: 0 0 132px;
        padding-top: 0;
    }

    .video-grid .video-meta-box {
        padding-top: 0;
        flex: 1;
        min-width: 0;
    }

    .main-content {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .header-inner {
        padding: 14px 12px;
    }

    .logo-text {
        font-size: 13px;
    }

    .main-nav {
        width: 230px;
    }

    .video-title {
        font-size: 14px;
    }

    .video-sub-info {
        font-size: 10px;
    }

    .player-title {
        font-size: 16px;
    }
}

/* ====================================================
   Image Lazy Loading & Fallback Aesthetics
   ==================================================== */
img {
    color: transparent;
}

img.img-fallback {
    object-fit: cover !important;
    background-color: var(--bg-elevated, #221d16);
}

.video-thumb-box img {
    background-color: var(--bg-elevated, #221d16);
}