:root {
  --yellow: #ffcc00;
  --black: #111111;
  --charcoal: #242424;
  --paper: #ffffff;
  --soft: #f4f4f2;
  --line: #ddddda;
  --muted: #66665f;
  --success: #166534;
  --warning: #9a5b00;
  --shadow: 0 14px 34px rgba(0,0,0,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--charcoal); background: var(--paper); font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; }
button, input { font: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
.site-header { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 5vw; color: white; background: var(--black); border-bottom: 7px solid var(--yellow); }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .065em; }
.brand-mark { width: 32px; height: 40px; border: 4px solid var(--yellow); flex: 0 0 auto; }
.brand-copy small { display: block; color: #cfcfc8; font-size: .64rem; letter-spacing: .18em; }
.client { font-weight: 800; letter-spacing: .12em; text-align: right; }
.hero { position: relative; overflow: hidden; padding: 72px 5vw 58px; background: linear-gradient(118deg, #fff 0%, #fff 58%, #f1f1ef 58%, #f1f1ef 85%, var(--yellow) 85%, var(--yellow) 87%, #f1f1ef 87%); }
.hero::after { content: ''; position: absolute; right: 8vw; top: 32px; width: 220px; height: 220px; border: 1px solid rgba(0,0,0,.12); transform: rotate(12deg); pointer-events: none; }
.kicker, .eyebrow { font-size: .72rem; letter-spacing: .15em; font-weight: 800; text-transform: uppercase; }
.hero h1 { max-width: 960px; margin: .18em 0; font-size: clamp(2.6rem, 6.2vw, 6rem); line-height: .93; letter-spacing: -.045em; }
.hero p { max-width: 810px; margin: 22px 0 0; font-size: 1.15rem; line-height: 1.55; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.stat { min-width: 150px; padding: 15px 17px; background: rgba(255,255,255,.92); border-left: 5px solid var(--yellow); box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.stat strong { display: block; font-size: 1.45rem; color: var(--black); }
.stat span { font-size: .78rem; color: var(--muted); }
main { padding: 46px 5vw 96px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.section-head h2 { margin: 6px 0 0; font-size: clamp(1.9rem, 3vw, 3rem); letter-spacing: -.025em; }
.result-count { color: var(--muted); font-weight: 700; }
.toolbar { position: sticky; top: 79px; z-index: 20; display: grid; grid-template-columns: 1fr minmax(240px, 360px); gap: 18px; align-items: center; margin: 26px 0 34px; padding: 14px; background: rgba(255,255,255,.96); border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(0,0,0,.06); backdrop-filter: blur(8px); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn { border: 1px solid var(--black); background: white; color: var(--black); padding: 10px 14px; font-weight: 800; cursor: pointer; }
.filter-btn:hover, .filter-btn.active { background: var(--black); color: white; }
.search-wrap { position: relative; }
.search-wrap input { width: 100%; border: 1px solid #a7a7a1; padding: 11px 42px 11px 13px; background: white; }
.search-wrap span { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: .8rem; }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.card { min-width: 0; display: flex; flex-direction: column; background: white; border: 1px solid var(--line); transition: transform .2s ease, box-shadow .2s ease; }
.card.is-hidden, .card[hidden] { display: none !important; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.cover { height: 236px; display: flex; align-items: center; justify-content: center; overflow: hidden; background: white; border-bottom: 1px solid var(--line); }
.cover img { width: 100%; height: 100%; object-fit: contain; background: white; }
.cover.cover-look-second-edition { background: #ffcf00; }
.cover.cover-look-second-edition img { object-fit: cover; object-position: right center; background: #ffcf00; }
.cover.cover-explore-our-world { background: #1b1d20; }
.cover.cover-explore-our-world img { background: #1b1d20; object-fit: contain; }
.cover-placeholder { position: relative; width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: end; padding: 24px; color: white; background: linear-gradient(145deg, #0f3857 0%, #166d8f 53%, #f0b900 53%, #ffcc00 100%); }
.cover-placeholder::before { content: ''; position: absolute; top: 20px; right: 20px; width: 84px; height: 110px; border: 5px solid var(--yellow); }
.cover-placeholder small { position: relative; font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; }
.cover-placeholder strong { position: relative; max-width: 185px; margin-top: 8px; font-size: 1.75rem; line-height: .95; }
.card-body { display: flex; flex-direction: column; gap: 12px; padding: 18px; flex: 1; }
.card h3 { margin: 0; font-size: 1.36rem; line-height: 1.08; letter-spacing: -.015em; }
.description { min-height: 82px; margin: 0; color: #44443f; line-height: 1.45; font-size: .93rem; }
.meta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding-top: 11px; border-top: 1px solid var(--line); }
.meta span { font-size: .86rem; font-weight: 700; }
.meta b { display: block; margin-bottom: 3px; color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .08em; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { padding: 5px 7px; color: #4c4c47; background: var(--soft); font-size: .7rem; font-weight: 700; }
.resources { margin-top: 2px; padding-top: 12px; border-top: 1px solid var(--line); }
.resources-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 9px; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.resource-count { color: var(--success); font-size: .68rem; letter-spacing: 0; text-transform: none; }
.resource-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.resource-link { display: flex; min-height: 39px; align-items: center; justify-content: space-between; gap: 6px; padding: 8px 9px; border: 1px solid #b9b9b3; color: var(--black); background: white; text-decoration: none; font-size: .76rem; font-weight: 800; line-height: 1.15; }
.resource-link::after { content: '\2197'; font-size: .9rem; }
.resource-link:hover { color: white; background: var(--black); border-color: var(--black); text-decoration: none; }
.resource-link.primary { color: white; background: var(--black); border-color: var(--black); }
.resource-link.primary:hover { color: var(--black); background: var(--yellow); border-color: var(--yellow); }
.resource-pending { display: flex; min-height: 39px; align-items: center; justify-content: center; padding: 8px 9px; border: 1px dashed #b67500; color: var(--warning); background: #fff8e6; font-size: .76rem; font-weight: 800; cursor: not-allowed; }
.compare-select { margin-top: auto; padding-top: 4px; color: #363632; font-size: .78rem; font-weight: 700; }
.compare-select input { accent-color: var(--black); }
.no-results { display: none; margin: 34px 0; padding: 30px; text-align: center; background: var(--soft); border: 1px solid var(--line); }
.comparebar { position: fixed; left: 50%; bottom: 18px; z-index: 40; transform: translateX(-50%); width: min(1100px, calc(100vw - 36px)); display: none; align-items: center; justify-content: space-between; gap: 18px; padding: 13px 16px; color: white; background: var(--black); box-shadow: 0 12px 36px rgba(0,0,0,.32); }
.comparebar.show { display: flex; }
.comparebar .selected-names { color: #d5d5ce; font-size: .8rem; }
.compare-btn { border: 0; padding: 11px 17px; color: var(--black); background: var(--yellow); font-weight: 900; cursor: pointer; }
dialog { width: min(1040px, 95vw); max-height: 86vh; padding: 0; border: 0; box-shadow: 0 24px 80px rgba(0,0,0,.48); }
dialog::backdrop { background: rgba(0,0,0,.72); }
.modal-head { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 20px; color: white; background: var(--black); }
.modal-head h2 { margin: 0; font-size: 1.3rem; }
.close-btn { border: 1px solid white; color: white; background: transparent; padding: 8px 11px; cursor: pointer; }
.modal-body { padding: 20px; overflow: auto; }
.comparison-wrap { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.comparison-table th, .comparison-table td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison-table thead th { background: var(--soft); }
.comparison-table tbody th { width: 145px; background: #fafafa; }
.note { margin-top: 34px; padding: 18px; color: var(--muted); background: var(--soft); border-left: 5px solid var(--yellow); font-size: .82rem; line-height: 1.5; }
footer { padding: 32px 5vw; color: #d6d6cf; background: var(--black); font-size: .82rem; line-height: 1.5; }
footer strong { color: white; }
@media (max-width: 1320px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 930px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .toolbar { grid-template-columns: 1fr; top: 79px; } .description { min-height: 0; } }
@media (max-width: 620px) { .site-header { padding: 13px 18px; } .brand-copy { font-size: .76rem; } .client { font-size: .72rem; } .hero { padding: 52px 22px 42px; } main { padding: 36px 18px 86px; } .grid { grid-template-columns: 1fr; } .cover { height: 300px; } .toolbar { position: static; margin-top: 20px; } .comparebar { bottom: 0; width: 100%; } .selected-names { display: none; } }

/* Fichas académicas y comparador académico */
.academic-glance {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: -3px;
}
.academic-glance span {
  min-width: 0;
  padding: 8px 9px;
  background: #f7f7f4;
  border-left: 3px solid var(--yellow);
  color: #353531;
  font-size: .76rem;
  line-height: 1.28;
}
.academic-glance b {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: .61rem;
  letter-spacing: .075em;
  text-transform: uppercase;
}
dialog { width: min(1380px, 97vw); max-height: 91vh; }
.modal-head h2 { font-size: 1.38rem; }
.comparison-intro {
  margin: 0 0 15px;
  padding: 12px 14px;
  background: #fff8d6;
  border-left: 5px solid var(--yellow);
  color: #3f3f39;
  font-size: .88rem;
  line-height: 1.48;
}
.comparison-wrap {
  max-height: calc(91vh - 190px);
  overflow: auto;
  border: 1px solid var(--line);
}
.comparison-table {
  min-width: 1040px;
  border-collapse: separate;
  border-spacing: 0;
}
.comparison-table th,
.comparison-table td {
  padding: 13px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  line-height: 1.48;
}
.comparison-table thead th {
  position: sticky;
  top: 0;
  z-index: 4;
  min-width: 245px;
  color: white;
  background: var(--black);
  border-bottom: 5px solid var(--yellow);
}
.comparison-table thead th:first-child {
  left: 0;
  z-index: 6;
  min-width: 180px;
}
.comparison-table tbody th {
  position: sticky;
  left: 0;
  z-index: 3;
  width: 180px;
  min-width: 180px;
  color: #222;
  background: #f6f6f2;
  font-size: .76rem;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.comparison-table tbody tr:nth-child(even) td { background: #fbfbf9; }
.comparison-table .comparison-highlight-row th { box-shadow: inset 5px 0 0 var(--yellow); }
.comparison-table .comparison-highlight-row td { background: #fffdf2; }
.comparison-narrative { min-width: 285px; color: #373732; }
.comparison-short { min-width: 220px; font-weight: 700; color: #2c2c28; }
.series-column-name { display: block; font-size: 1rem; line-height: 1.18; }
.series-column-segment { display: block; margin-top: 5px; color: #d8d8d0; font-size: .68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.comparison-source-note { margin: 14px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.5; }
@media (max-width: 620px) {
  .academic-glance { grid-template-columns: 1fr; }
  dialog { width: 100vw; max-width: 100vw; max-height: 100vh; height: 100vh; }
  .modal-body { padding: 14px; }
  .comparison-wrap { max-height: calc(100vh - 190px); }
  .comparison-table { min-width: 960px; }
  .comparison-table thead th { min-width: 225px; }
  .comparison-narrative { min-width: 260px; }
}

/* Pacing, compatibilidad y MCER por nivel */

.comparison-evidence { min-width:300px; color:#373732; }
.comparison-fit { min-width:225px; font-weight:800; }
.comparison-fit[data-status="compatible"] { background:#e9f5f2 !important; color:#0f5d55; }
.comparison-fit[data-status="outside"] { background:#fff0f0 !important; color:#8a1616; }
.comparison-fit[data-status="pending"] { background:#fff4df !important; color:#7a4800; }
.pacing-legend { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:8px; margin:0 0 14px; }
.pacing-legend span { padding:9px 10px; font-size:.74rem; font-weight:800; border-left:4px solid; }
.pacing-legend .ok { background:#e9f5f2; border-color:#0f766e; }
.pacing-legend .warn { background:#fff4df; border-color:#9a5b00; }
.pacing-legend .no { background:#fff0f0; border-color:#991b1b; }
@media (max-width: 620px) { .pacing-legend { grid-template-columns:1fr; } }

/* Simplified controls: segment filters only. */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
}
.filters { flex: 1 1 100%; }

.resource-pending.presentation-series { flex-direction: column; gap: 2px; border-color: #b9b9b3; color: #4f4f4a; background: #f5f5f1; text-align: center; }
.resource-pending.presentation-series small { display: block; font-size: .59rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; color: #787872; }

/* Presentación de la serie: visor manual de cuatro diapositivas */
.resource-link.presentation-link {
  position: relative;
  width: 100%;
  min-height: 50px;
  padding-right: 30px;
  cursor: pointer;
  appearance: none;
  text-align: left;
  font-family: inherit;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
}
.resource-link.presentation-link::after {
  position: absolute;
  top: 50%;
  right: 9px;
  transform: translateY(-50%);
  content: '\25B6';
  font-size: .72rem;
}
.resource-link.presentation-link small {
  display: block;
  color: var(--muted);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .045em;
  line-height: 1.1;
  text-transform: uppercase;
}
.resource-link.presentation-link:hover small { color: white; }

.presentation-dialog {
  width: min(1480px, 98vw);
  max-width: 1480px;
  max-height: 97vh;
  padding: 0;
  overflow: hidden;
  color: white;
  background: #121212;
  border: 0;
  box-shadow: 0 28px 100px rgba(0,0,0,.62);
}
.presentation-dialog::backdrop { background: rgba(0,0,0,.84); }
.presentation-shell {
  display: flex;
  flex-direction: column;
  max-height: 97vh;
  background: #121212;
}
.presentation-head {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 20px 14px;
  color: white;
  background: var(--black);
  border-bottom: 5px solid var(--yellow);
}
.presentation-heading { min-width: 0; }
.presentation-eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--yellow);
  font-size: .65rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.presentation-head h2 {
  margin: 0;
  font-size: clamp(1.15rem, 2.1vw, 1.72rem);
  line-height: 1.12;
  letter-spacing: -.015em;
}
.presentation-head p {
  margin: 5px 0 0;
  color: #c9c9c2;
  font-size: .72rem;
  line-height: 1.35;
}
.presentation-close {
  flex: 0 0 auto;
  border: 1px solid white;
  color: white;
  background: transparent;
  padding: 8px 12px;
  font-weight: 800;
  cursor: pointer;
}
.presentation-close:hover { color: var(--black); background: var(--yellow); border-color: var(--yellow); }
.presentation-body {
  min-height: 0;
  padding: 14px 18px 16px;
  overflow: auto;
  background: #1b1b1b;
}
.presentation-frame {
  position: relative;
  width: min(100%, 1280px);
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  overflow: hidden;
  background: white;
  border: 1px solid #3c3c3c;
  box-shadow: 0 15px 45px rgba(0,0,0,.42);
  touch-action: pan-y;
}
.presentation-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: white;
  opacity: 1;
  transition: opacity .15s ease;
  user-select: none;
  -webkit-user-drag: none;
}
.presentation-frame img.is-loading { opacity: .18; }
.presentation-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: #44443f;
  background: rgba(255,255,255,.90);
  font-weight: 800;
  text-align: center;
}
.presentation-loading[hidden] { display: none; }
.presentation-loading.error { color: #8a1616; }
.edition-switcher {
  width: min(100%, 1280px);
  margin: 10px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7px;
  color: #d7d7d0;
  font-size: .72rem;
  font-weight: 800;
}
.edition-switcher[hidden] { display: none; }
.edition-switcher > span {
  margin-right: 3px;
  color: #bdbdb6;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.edition-switcher button {
  border: 1px solid #6d6d67;
  color: white;
  background: #2a2a2a;
  padding: 7px 11px;
  font-weight: 800;
  cursor: pointer;
}
.edition-switcher button:hover,
.edition-switcher button.active {
  color: var(--black);
  background: var(--yellow);
  border-color: var(--yellow);
}
.presentation-meta {
  width: min(100%, 1280px);
  margin: 10px auto 0;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  align-items: center;
  gap: 18px;
}
.presentation-current {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}
.presentation-current strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: .88rem;
}
.presentation-current small {
  flex: 0 0 auto;
  color: #bdbdb6;
  font-size: .72rem;
  font-weight: 800;
}
.presentation-dots {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.presentation-dot {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 1px solid #adada7;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}
.presentation-dot:hover,
.presentation-dot.active {
  background: var(--yellow);
  border-color: var(--yellow);
}
.presentation-controls {
  width: min(100%, 1280px);
  margin: 10px auto 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
}
.presentation-controls button {
  min-width: 128px;
  border: 1px solid white;
  color: white;
  background: transparent;
  padding: 9px 14px;
  font-weight: 900;
  cursor: pointer;
}
.presentation-controls button:hover:not(:disabled) {
  color: var(--black);
  background: var(--yellow);
  border-color: var(--yellow);
}
.presentation-controls button:disabled {
  opacity: .32;
  cursor: not-allowed;
}
.presentation-controls span {
  color: #a8a8a1;
  font-size: .68rem;
  text-align: center;
}

@media (max-width: 760px) {
  .presentation-dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
  }
  .presentation-shell { max-height: 100vh; height: 100vh; }
  .presentation-head { padding: 13px 14px 11px; }
  .presentation-head p { display: none; }
  .presentation-body { padding: 10px 10px 14px; }
  .presentation-meta {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .presentation-current { justify-content: center; }
  .presentation-dots { justify-content: center; }
  .presentation-controls { grid-template-columns: 1fr 1fr; }
  .presentation-controls span { display: none; }
  .presentation-controls button { min-width: 0; width: 100%; }
  .edition-switcher { margin-top: 8px; }
}


/* ===== Botón progresivo de recorridos en video ===== */
.teacher-video { margin-top: 2px; }
.teacher-video-button {
  width: 100%;
  min-height: 44px;
  padding: 11px 14px;
  border: 1px solid #b8b8b1;
  color: #77776f;
  background: #f6f6f3;
  font-size: .76rem;
  font-weight: 900;
  cursor: not-allowed;
}
.teacher-video.is-available .teacher-video-button {
  color: var(--black);
  background: var(--yellow);
  border-color: var(--yellow);
  cursor: pointer;
}
.teacher-video.is-available .teacher-video-button:hover {
  color: white;
  background: var(--black);
  border-color: var(--black);
}
.video-dialog {
  width: min(1120px, 96vw);
  max-width: none;
  max-height: 94vh;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: 0 24px 80px rgba(0,0,0,.52);
}
.video-dialog::backdrop { background: rgba(0,0,0,.84); }
.video-shell { overflow: hidden; color: var(--charcoal); background: white; }
.video-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  color: white;
  background: var(--black);
  border-bottom: 6px solid var(--yellow);
}
.video-dialog-eyebrow { color: var(--yellow); font-size: .63rem; font-weight: 900; letter-spacing: .13em; }
.video-head h2 { margin: 5px 0 3px; font-size: clamp(1.25rem, 2.4vw, 2rem); }
.video-head p { margin: 0; color: #d6d6cf; font-size: .82rem; }
.video-close { padding: 9px 12px; border: 1px solid white; color: white; background: transparent; font-weight: 800; cursor: pointer; }
.video-close:hover { color: var(--black); background: var(--yellow); border-color: var(--yellow); }
.video-body { padding: 18px; }
.video-frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #050505; }
.video-frame video { display: block; width: 100%; height: 100%; object-fit: contain; background: #050505; }
.video-error { position: absolute; inset: 0; display: grid; place-items: center; padding: 20px; color: white; background: rgba(0,0,0,.78); text-align: center; font-weight: 800; }
.video-error[hidden] { display: none; }
.video-info-row { display: flex; justify-content: space-between; gap: 18px; padding-top: 11px; color: var(--muted); font-size: .75rem; }
.video-info-row a { color: var(--black); font-weight: 800; }
footer { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
@media (max-width: 620px) {
  .teacher-video-button { width: 100%; }
  .video-dialog { width: 100vw; max-height: 100vh; margin: 0; }
  .video-shell { min-height: 100vh; }
  .video-head { padding: 13px 14px; }
  .video-head p { display: none; }
  .video-body { padding: 10px; }
  .video-info-row { flex-direction: column; gap: 6px; }
}