/* Bắt đầu trên web: menu "🎬 Video" (/video), trang xem video (/video/{id}), ô video trên dòng thời gian.
   Thẻ video có nhãn 📺 và ảnh bìa; trang xem đặt video trong chiếc tivi gỗ đời cũ: ăng-ten, núm vặn, loa sọc. */

/* ---- Lưới thẻ video ---- */
.fa-video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.fa-video-card { display: block; border-radius: var(--fa-radius); overflow: hidden; background: var(--fa-surface);
  border: 1px solid var(--fa-line); box-shadow: var(--fa-shadow); color: var(--fa-ink); text-decoration: none;
  transition: transform .3s var(--fa-ease), box-shadow .3s var(--fa-ease); }
.fa-video-card:hover { transform: translateY(-3px); box-shadow: var(--fa-shadow-lg); color: var(--fa-ink); }
.fa-video-thumb { position: relative; aspect-ratio: 16 / 10; background: #2b1d14 center / cover no-repeat; display: grid; place-items: center; }
.fa-video-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.fa-video-nut { position: relative; width: 3.2rem; height: 3.2rem; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 253, 248, .88); color: var(--fa-amber-dark); font-size: 1.6rem; box-shadow: 0 4px 14px rgba(0, 0, 0, .3); }
.fa-video-badge { position: absolute; top: .5rem; left: .5rem; background: rgba(43, 29, 20, .78); color: #fff;
  border-radius: 999px; padding: .1rem .55rem; font-size: .8rem; font-weight: 600; }
.fa-video-time { position: absolute; bottom: .5rem; right: .5rem; background: rgba(43, 29, 20, .78); color: #fff;
  border-radius: 6px; padding: 0 .4rem; font-size: .8rem; font-variant-numeric: tabular-nums; }
.fa-video-wait { position: relative; color: #ffe9c9; text-align: center; font-size: .9rem; padding: 0 1rem; }
.fa-video-wait .bi { display: block; font-size: 1.6rem; margin-bottom: .25rem; }
.fa-video-meta { padding: .6rem .8rem .75rem; }
.fa-video-meta strong { display: block; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fa-video-meta small { color: var(--fa-muted); }

/* ---- Ô thêm video trên trang "🎬 Video": hai nút to cho ông bà dễ bấm ---- */
.fa-video-add { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.fa-video-add .btn { min-height: 48px; }
.fa-video-progress { height: 14px; border-radius: 999px; background: var(--fa-soft); overflow: hidden; }
.fa-video-progress > span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--fa-honey), var(--fa-amber));
  transition: width .3s var(--fa-ease); }

/* ---- Trang "Sắp có" khi tính năng video còn khoá ---- */
.fa-video-soon { max-width: 560px; margin: 2rem auto; text-align: center; }
.fa-video-soon .fa-tv { max-width: 340px; margin: 0 auto 1.5rem; }

/* ---- Chiếc tivi cổ ---- */
.fa-tv { position: relative; max-width: 860px; margin: 3.2rem auto 1rem; }
.fa-tv-antenna { position: absolute; left: 50%; top: -3rem; width: 0; height: 3rem; }
.fa-tv-antenna::before, .fa-tv-antenna::after { content: ""; position: absolute; bottom: 0; width: 3px; height: 3.4rem;
  background: #6b5240; border-radius: 3px; transform-origin: bottom center; }
.fa-tv-antenna::before { transform: rotate(-28deg); }
.fa-tv-antenna::after { transform: rotate(28deg); }
.fa-tv-antenna span { position: absolute; left: -1.1rem; bottom: -.4rem; width: 2.2rem; height: 1rem; border-radius: 1.1rem 1.1rem 0 0; background: #4a3426; }
.fa-tv-body { display: grid; grid-template-columns: 1fr 5.5rem; gap: 1rem; padding: 1.1rem; border-radius: 26px;
  background: repeating-linear-gradient(92deg, #a8703f 0 6px, #9a6436 6px 9px, #b37a47 9px 15px);
  box-shadow: inset 0 0 0 4px #7a4f2b, inset 0 6px 14px rgba(255, 255, 255, .25), 0 18px 36px -14px rgba(70, 40, 15, .6); }
.fa-tv-screen { position: relative; border-radius: 28px / 22px; overflow: hidden; background: #111;
  box-shadow: inset 0 0 0 6px #3b2a1f, inset 0 0 30px rgba(0, 0, 0, .9); aspect-ratio: 4 / 3; }
.fa-tv-screen video { width: 100%; height: 100%; object-fit: contain; background: #000; display: block; }
/* lớp kính cong + vạch quét nhẹ, không chặn bấm nút của video */
.fa-tv-screen::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: radial-gradient(ellipse at 30% 20%, rgba(255, 255, 255, .14), transparent 55%),
              repeating-linear-gradient(0deg, rgba(0, 0, 0, .08) 0 1px, transparent 1px 3px); }
.fa-tv-snow { position: absolute; inset: 0; display: grid; place-items: center; color: #eee; text-align: center; padding: 1rem;
  background: repeating-radial-gradient(circle at 17% 32%, #777 0 1px, #222 1px 3px); font-size: 1.05rem; }
.fa-tv-panel { display: flex; flex-direction: column; align-items: center; gap: .9rem; padding: .6rem 0; }
.fa-tv-knob { width: 3.2rem; height: 3.2rem; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #f3e1c7, #b89470 60%, #6b5240);
  box-shadow: 0 3px 6px rgba(0, 0, 0, .35); position: relative; }
.fa-tv-knob::after { content: ""; position: absolute; left: 50%; top: .35rem; width: 3px; height: 1rem; margin-left: -1.5px; background: #4a3426; border-radius: 2px; }
.fa-tv-knob.k2 { transform: rotate(120deg); width: 2.6rem; height: 2.6rem; }
.fa-tv-speaker { flex: 1; width: 100%; min-height: 3rem; border-radius: 10px;
  background: repeating-linear-gradient(0deg, #4a3426 0 3px, #8a5a33 3px 7px); }
.fa-tv-legs { display: flex; justify-content: space-between; padding: 0 12%; }
.fa-tv-legs span { width: 1.1rem; height: 1.6rem; background: #6b5240; border-radius: 0 0 6px 6px; }
.fa-tv-legs span:first-child { transform: skewX(12deg); }
.fa-tv-legs span:last-child { transform: skewX(-12deg); }
.fa-tv-actions { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; margin-top: 1rem; }
.fa-tv-actions .btn { min-height: 44px; }

/* Điện thoại: núm vặn và loa chuyển xuống dưới màn hình cho màn hình to nhất có thể */
@media (max-width: 575.98px) {
  .fa-tv { margin-top: 2.6rem; }
  .fa-tv-body { grid-template-columns: 1fr; padding: .7rem; border-radius: 20px; gap: .6rem; }
  .fa-tv-screen { aspect-ratio: auto; min-height: 200px; }
  .fa-tv-panel { flex-direction: row; padding: 0 .3rem; }
  .fa-tv-knob { width: 2.2rem; height: 2.2rem; }
  .fa-tv-knob.k2 { width: 1.9rem; height: 1.9rem; }
  .fa-tv-speaker { min-height: 1.6rem; }
}
@media (prefers-reduced-motion: reduce) { .fa-video-card, .fa-video-progress > span { transition: none; } }

/* ---- Núm vặn nhỏ là nút "chuyển kênh" sang video kế tiếp ---- */
a.fa-tv-knob { display: block; cursor: pointer; transition: transform .4s var(--fa-ease); }
a.fa-tv-knob:hover, a.fa-tv-knob:focus-visible { transform: rotate(210deg) scale(1.08); }

/* ---- Ô "Ai được xem", tim và bình luận ---- */
.fa-video-chia-se { padding: .8rem 1rem; border-radius: 14px; background: var(--fa-soft); }
.fa-video-thang { color: var(--fa-amber-dark); }
.fa-video-xem .fa-tv-actions form { margin: 0; }
.fa-video-tim { min-height: 44px; }
.fa-video-tim .bi-heart-fill { color: #fff; }
.fa-video-binh-luan li { padding: .55rem 0; border-bottom: 1px dashed var(--fa-line); }
.fa-video-binh-luan li:last-child { border-bottom: 0; }

/* ---- Ô video trên dòng thời gian (như một tấm ảnh dán, có nhãn 📺 và nút ▶) ---- */
.fa-tl-video { position: relative; display: block; background: var(--nb-photo, #fff); padding: 8px 8px 0; border-radius: 2px;
  box-shadow: 0 6px 16px -8px rgba(60, 40, 20, .45); color: var(--fa-ink); text-decoration: none; transform: rotate(-1.4deg);
  transition: transform .3s var(--fa-ease); }
.fa-tl-video:hover, .fa-tl-video:focus-visible { transform: rotate(0) translateY(-6px) scale(1.03); color: var(--fa-ink); z-index: 2; }
.fa-tl-video .fa-video-thumb { aspect-ratio: 4 / 3; }
.fa-tl-video .fa-video-meta { padding: .35rem .2rem .5rem; font-size: .82rem; }
@media (max-width: 575.98px) { .fa-tl-video { padding: 5px 5px 0; } }
/* ---- "⛶ Phóng to": cả chiếc tivi (giữ khung gỗ) phủ kín màn hình trên nền tối (tv-co.js) ---- */
.fa-tv-dong { display: none; }
body.fa-tv-phong-to { overflow: hidden; }
.fa-tv.is-to { position: fixed; inset: 0; z-index: 2000; margin: 0; max-width: none; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 3.6rem .8rem .8rem; background: #180e08; }
.fa-tv.is-to .fa-tv-antenna { position: relative; left: auto; top: auto; height: 3rem; margin-bottom: -.2rem; }
.fa-tv.is-to .fa-tv-body { width: min(96vw, 1500px); }
.fa-tv.is-to .fa-tv-screen { aspect-ratio: auto; height: min(calc(100vh - 9rem), 60vw); }
@supports (height: 100dvh) { .fa-tv.is-to .fa-tv-screen { height: min(calc(100dvh - 9rem), 60vw); } }
.fa-tv.is-to .fa-tv-legs { width: min(96vw, 1500px); }
.fa-tv.is-to .fa-tv-dong { display: grid; place-items: center; position: absolute; top: .7rem; right: .8rem; width: 48px; height: 48px;
  border: 0; border-radius: 50%; background: rgba(255, 253, 248, .92); color: #4a3426; font-size: 1.4rem; box-shadow: 0 4px 14px rgba(0, 0, 0, .4); }
@media (max-width: 575.98px) {
  .fa-tv.is-to { padding: 3.2rem .4rem .4rem; }
  .fa-tv.is-to .fa-tv-screen { height: calc(100vh - 11rem); }
  @supports (height: 100dvh) { .fa-tv.is-to .fa-tv-screen { height: calc(100dvh - 11rem); } }
}

/* ---- "🖼️ Bỏ viền tivi": chỉ còn màn hình video trơn ---- */
.fa-tv.khong-vien .fa-tv-body { background: none; box-shadow: none; padding: 0; grid-template-columns: 1fr; }
.fa-tv.khong-vien .fa-tv-panel, .fa-tv.khong-vien .fa-tv-antenna, .fa-tv.khong-vien .fa-tv-legs { display: none; }
.fa-tv.khong-vien .fa-tv-screen { border-radius: 14px; box-shadow: 0 10px 30px -12px rgba(0, 0, 0, .5); }
.fa-tv.khong-vien .fa-tv-screen::after { display: none; }
.fa-tv.khong-vien:not(.is-to) { margin-top: 1rem; }
/* ---- 💻 Quay webcam / màn hình trên máy tính (quay-may-tinh.js) ---- */
.fa-qmt { padding: .8rem 1rem; border-radius: 14px; border: 1px dashed var(--fa-line); }
.fa-qmt-xem { display: block; width: 100%; max-width: 560px; margin-top: .6rem; border-radius: 12px; background: #111; aspect-ratio: 16 / 9; }
.fa-qmt .btn { min-height: 44px; }