/* ACCESS Practice Lab — a skill room: hero with the next step, support levels, the activity list, printables. */

.room-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: var(--s-5);
  margin: 0 0 var(--s-5);
  padding: clamp(1.25rem, 3.5vw, 2.5rem);
  border: 1px solid color-mix(in srgb, var(--room) 25%, var(--line));
  border-radius: var(--r-xl);
  background: var(--room-soft);
  overflow: hidden;
}
.room-hero-copy .eyebrow {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: #fff;
}
.room-hero h1 {
  margin: var(--s-2) 0 var(--s-2);
  font-size: clamp(2.3rem, 1.6rem + 3vw, 4rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  color: var(--room-ink);
}
.room-hero .lead {
  margin: 0 0 var(--s-4);
  color: var(--ink);
}
.room-hero-art {
  position: relative;
}
.room-hero-art > img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid color-mix(in srgb, var(--room) 25%, transparent);
}
.room-hero-progress {
  display: flex;
  width: fit-content;
  margin: var(--s-3) 0 0;
  align-items: center;
  gap: var(--s-3);
  padding: 0.5rem 1rem 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 95%);
  box-shadow: var(--shadow);
  color: var(--room-ink);
}
.room-hero-progress p {
  display: grid;
  margin: 0;
  line-height: 1.2;
}
.room-hero-progress strong {
  color: var(--ink);
}
.room-hero-progress span {
  color: var(--ink-2);
  font-size: 0.8125rem;
}

.tier-picker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-2);
  margin: 0 0 var(--s-2);
}
.tier {
  display: grid;
  gap: 0.1rem;
  padding: 0.7rem 0.9rem;
  border: 2px solid transparent;
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.tier span {
  color: var(--ink-2);
  font-size: 0.875rem;
}
.tier:hover {
  border-color: color-mix(in srgb, var(--room) 50%, transparent);
}
.tier.is-current {
  border-color: var(--room);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--room) 16%, transparent);
}
.tier.is-current strong {
  color: var(--room-ink);
}
.room-hero .tier-picker + .fine {
  margin: 0 0 var(--s-4);
}
.btn-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "kicker arrow" "title arrow";
  align-items: center;
  column-gap: var(--s-4);
  width: 100%;
  min-height: 4.5rem;
  padding: 0.8rem 1.3rem;
  background: var(--room);
  border-color: var(--room);
  text-align: left;
}
.btn-next:hover {
  background: var(--room-ink);
  border-color: var(--room-ink);
}
.btn-next .btn-kicker {
  grid-area: kicker;
}
.btn-next .next-title {
  grid-area: title;
  font-size: 1.2rem;
}
.btn-next .ico {
  grid-area: arrow;
  width: 1.5rem;
  height: 1.5rem;
}

.room-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(16rem, 1fr);
  gap: var(--s-5);
  align-items: start;
}
.room-aside {
  display: grid;
  gap: var(--s-4);
  position: sticky;
  top: 5.25rem;
}
.aside-card {
  padding: var(--s-4) var(--s-5);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.aside-card h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 var(--s-2);
  font: 700 1.1rem var(--font);
  letter-spacing: 0;
}
.aside-card h2 .ico {
  color: var(--room);
}
.aside-card ul {
  margin: 0;
  padding-left: 1.2rem;
}
.aside-card li {
  margin: 0.3rem 0;
}
.aside-card p {
  margin: 0 0 var(--s-3);
}
.packet-downloads .row-actions {
  margin: 0;
}

.strands {
  display: grid;
  gap: var(--s-3);
}
.strand {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.strand > summary {
  min-height: 3.75rem;
  padding: 0.8rem 3rem 0.8rem 1.25rem;
  border-radius: 0;
  justify-content: space-between;
  font-size: 1.0625rem;
}
.strand[open] > summary {
  border-bottom: 1px solid var(--line);
}
.strand > :not(summary) {
  margin-inline: 0;
}
.strand-count {
  min-width: 3rem;
  padding: 0.1rem 0.7rem;
  border-radius: 999px;
  background: var(--room-soft);
  color: var(--room-ink);
  font-size: 0.9375rem;
  font-weight: 700;
  text-align: center;
}
.strand-desc {
  margin: var(--s-3) var(--s-5) 0;
  color: var(--ink-2);
}
.act-list {
  margin: 0;
  padding: var(--s-2);
  list-style: none;
}
.act-row + .act-row {
  border-top: 1px solid var(--line);
}
.act-row a {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  gap: var(--s-3);
  align-items: center;
  min-height: 3.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 12px;
  color: var(--ink);
  text-decoration: none;
}
.act-row a:hover {
  background: var(--room-soft);
}
.act-title {
  font-weight: 700;
}
.act-status {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  color: #fff;
}
.act-status .ico {
  width: 1rem;
  height: 1rem;
}
.act-row.is-done .act-status {
  border-color: var(--right);
  background: var(--right);
}
.act-row.is-tried .act-status {
  border-color: var(--hint);
  color: var(--hint);
}
.act-meta {
  color: var(--ink-2);
  font-size: 0.9375rem;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .room-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .room-aside {
    position: static;
    order: -1;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  }
}
@media (max-width: 760px) {
  .room-hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .room-hero-art {
    order: -1;
    max-width: 24rem;
  }
}
@media (max-width: 560px) {
  .tier-picker {
    grid-template-columns: minmax(0, 1fr);
  }
  .act-row a {
    grid-template-columns: 1.75rem minmax(0, 1fr);
  }
  .act-meta {
    grid-column: 2;
    white-space: normal;
  }
}
@media print {
  .room-hero-art,
  .room-aside {
    display: none;
  }
}

/* ── the four studios: each room hero wears its studio material ──────────── */
.room-studio {
  margin: var(--s-3) 0 0;
  color: var(--room-ink);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.room-hero {
  box-shadow: var(--shadow), var(--edge-light);
}
.room-hero.d-listening {
  background:
    radial-gradient(60% 80% at 100% 0%, rgb(21 150 154 / 18%), transparent 65%),
    repeating-linear-gradient(0deg, rgb(7 85 104 / 5%) 0 1px, transparent 1px 22px),
    linear-gradient(180deg, #eaf6f3, #dcefeb);
}
.room-hero.d-reading {
  background: var(--grain), linear-gradient(180deg, var(--ivory), #f1ece3);
  border-color: #e3dccf;
}
.room-hero.d-reading h1 {
  font-weight: 600;
}
.room-hero.d-speaking {
  background:
    radial-gradient(60% 80% at 100% 0%, rgb(219 163 185 / 32%), transparent 65%),
    linear-gradient(180deg, #f9eef2, #f2e1e8);
}
.room-hero.d-writing {
  background:
    linear-gradient(90deg, transparent 2.6rem, rgb(210 139 88 / 35%) 2.6rem 2.72rem, transparent 2.72rem),
    repeating-linear-gradient(180deg, transparent 0 31px, rgb(136 67 38 / 8%) 31px 32px),
    linear-gradient(180deg, #fcf5ea, #f3e4cf);
  border-color: #e7d2b6;
}
.room-hero-art > img {
  border: 0;
  box-shadow: 0 24px 40px -24px rgb(8 14 37 / 45%);
}