/* ============================================================
   MUSIC HUB — layout + components.
   Load AFTER forge-theme.css (tokens + base controls live there).
   Design: design/FORGE-DESIGN-SYSTEM.md · UX: design/HUB-UX-SPEC.md
   ============================================================ */

/* ---------- wood end-cheeks (the Forge signature, subtle) ---------- */
@media (min-width: 1500px) {
  body.hub { padding-left: 18px; padding-right: 18px; }
  body.hub::before, body.hub::after {
    content: ""; position: fixed; top: 0; bottom: 0; width: 18px; z-index: 400;
    pointer-events: none;
    background: linear-gradient(90deg, #2e1d0f, #55351b 30%, #7a5230 50%, #55351b 70%, #2e1d0f);
    box-shadow: inset 0 0 12px rgba(0, 0, 0, .55);
  }
  body.hub::before { left: 0; }
  body.hub::after { right: 0; transform: scaleX(-1); }
}

body.hub { min-height: 100%; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 300;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 9px 18px;
  background: rgba(22, 20, 15, .93);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.brand {
  font-family: var(--mono); font-size: 14px; font-weight: 700; letter-spacing: .1em;
  color: var(--ink); text-decoration: none; white-space: nowrap;
  display: flex; align-items: baseline; gap: 7px;
}
.brand em { color: var(--accent); font-style: normal; }
.brand .sub { font-size: 9.5px; font-weight: 400; color: var(--ink-faint); letter-spacing: .08em; }
.nav { display: flex; gap: 1px; flex-wrap: wrap; }
.nav a {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-dim); text-decoration: none; padding: 6px 9px; border-radius: var(--r);
  transition: background 90ms ease, color 90ms ease;
}
.nav a:hover { color: var(--ink); background: var(--panel-2); }
.nav a.on { color: var(--accent); background: var(--panel-2); }
.topsearch { margin-left: auto; }
.topsearch input { width: 230px; min-height: 30px; }
.cta {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase;
  background: var(--accent); border: 1px solid var(--accent); color: var(--accent-ink);
  font-weight: 700; padding: 7px 12px; border-radius: var(--r); text-decoration: none;
}
.cta:hover { background: #ffb26b; border-color: #ffb26b; }
.cta.on { outline: 2px solid var(--accent-soft); outline-offset: 2px; }
@media (max-width: 900px) { .topsearch input { width: 150px; } .nav { display: none; } }

/* ---------- generic layout ---------- */
.wrap { max-width: 1440px; margin: 0 auto; padding: 0 18px; }
.sec-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin: 40px 0 13px; }
.sec-head h2 { font-family: var(--mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
.sec-head .count { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }
.sec-head .more { margin-left: auto; font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; color: var(--ink-dim); text-decoration: none; }
.sec-head .more:hover { color: var(--accent); }

/* ---------- hero ---------- */
.hero { padding: 52px 18px 26px; text-align: center; max-width: 980px; margin: 0 auto; }
.hero .kicker {
  display: inline-block; font-family: var(--mono); font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-faint);
  border: 1px solid var(--line-strong); border-radius: var(--r); padding: 4px 10px;
  background: var(--panel-2);
}
.hero h1 { font-family: var(--mono); font-size: 33px; letter-spacing: .01em; margin: 18px 0 0; line-height: 1.25; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero .sub { color: var(--ink-dim); font-size: 13.5px; max-width: 660px; margin: 12px auto 0; line-height: 1.6; }
.hero .bigsearch { margin: 26px auto 0; max-width: 640px; }
.hero .bigsearch input { width: 100%; min-height: 46px; font-size: 14px; padding: 10px 14px; }
.hero .stats { margin-top: 12px; font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint); letter-spacing: .06em; }
.hero .stats b { color: var(--ink-dim); font-weight: 500; }
.chips { margin-top: 16px; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.chip {
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-dim); background: transparent; border: 1px solid var(--line-strong);
  border-radius: 999px; padding: 6px 13px; cursor: pointer; text-decoration: none;
  transition: border-color 90ms ease, color 90ms ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- section tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (max-width: 1200px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .tiles { grid-template-columns: 1fr; } }
.tile {
  display: block; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 14px; text-decoration: none;
  transition: border-color 120ms ease, transform 120ms ease, background 120ms ease;
}
.tile:hover { border-color: var(--accent); transform: translateY(-1px); background: var(--panel-2); }
.tile .t { font-family: var(--mono); font-size: 11px; letter-spacing: .13em; text-transform: uppercase; color: var(--ink); display: flex; align-items: baseline; }
.tile .n { font-family: var(--mono); font-size: 21px; color: var(--accent); margin: 9px 0 7px; }
.tile .n small { font-size: 10px; color: var(--ink-faint); margin-left: 4px; }
.tile .ex { color: var(--ink-faint); font-size: 11px; line-height: 1.55; }

/* ---------- cards grid ---------- */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (max-width: 1320px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 980px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.grid.wide { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1100px) { .grid.wide { grid-template-columns: repeat(2, 1fr); } }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  display: flex; flex-direction: column; min-width: 0; overflow: hidden;
  transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, .38); }
.card .thwrap { position: relative; display: block; aspect-ratio: 16 / 10; background: var(--bg-raise); overflow: hidden; border-bottom: 1px solid var(--line); }
.card .th { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 220ms ease; }
.card:hover .th { transform: scale(1.035); }
.card .th.ph { display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 30px; color: var(--line-strong); background: repeating-linear-gradient(135deg, var(--bg-raise) 0 10px, var(--panel) 10px 20px); }
.card .playhint {
  position: absolute; right: 8px; bottom: 8px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .09em; text-transform: uppercase;
  background: var(--accent); color: var(--accent-ink); font-weight: 700;
  padding: 4px 10px; border-radius: var(--r);
  opacity: 0; transform: translateY(3px); transition: opacity 130ms ease, transform 130ms ease;
}
.card:hover .playhint { opacity: 1; transform: none; }
.card .bod { display: flex; flex-direction: column; gap: 7px; padding: 10px 12px 12px; flex: 1; min-width: 0; }
.card .nm { font-size: 13px; font-weight: 600; color: var(--ink); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card .nm a { color: inherit; text-decoration: none; }
.card .nm a:hover { color: var(--accent); }
.card .bl { color: var(--ink-dim); font-size: 11.5px; line-height: 1.5; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.card .go { margin-left: auto; }

.plate {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-faint); background: var(--panel-2); border: 1px solid var(--line-strong);
  border-radius: var(--r); padding: 2px 7px; white-space: nowrap;
}
.plate.pr-free { color: var(--ok); border-color: rgba(147,199,147,.35); }
.plate.pr-tier { color: var(--blue); border-color: rgba(130,179,216,.35); }
.plate.pr-paid { color: var(--accent); border-color: rgba(255,158,79,.35); }

/* ---------- play-right-now strip ---------- */
.strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (max-width: 1200px) { .strip { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .strip { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .strip { grid-template-columns: 1fr; } }
.strip .card { border-color: var(--line-strong); background: var(--panel-2); }
.strip .card:hover { border-color: var(--accent); }
.playbtn {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .09em; text-transform: uppercase;
  background: var(--accent); border: 1px solid var(--accent); color: var(--accent-ink);
  font-weight: 700; padding: 6px 12px; border-radius: var(--r); text-decoration: none;
}
.playbtn:hover { background: #ffb26b; border-color: #ffb26b; }

/* ---------- browse layout ---------- */
.blayout { display: grid; grid-template-columns: 252px 1fr; gap: 20px; align-items: start; margin-top: 10px; }
@media (max-width: 1020px) { .blayout { grid-template-columns: 1fr; } .rail { display: none; } .rail.open { display: block; } }
.railtoggle { display: none; }
@media (max-width: 1020px) { .railtoggle { display: inline-block; } }
.rail {
  position: sticky; top: 62px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: 6px 12px 12px; max-height: calc(100vh - 84px); overflow: auto;
}
.facet { border-bottom: 1px solid var(--line); padding: 10px 0; }
.facet:last-child { border-bottom: 0; }
.facet .ft {
  font-family: var(--mono); font-size: 10px; letter-spacing: .13em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 7px; display: flex; justify-content: space-between; align-items: center;
}
.fopt { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--ink-dim); cursor: pointer; padding: 2.5px 0; }
.fopt:hover { color: var(--ink); }
.fopt input { accent-color: var(--accent); }
.fopt .c { margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--ink-faint); font-variant-numeric: tabular-nums; }

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 4px 0 14px; }
.toolbar .crumbs { font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint); letter-spacing: .05em; }
.toolbar .crumbs a { color: var(--ink-dim); text-decoration: none; }
.toolbar .crumbs a:hover { color: var(--accent); }
.toolbar h1 { font-family: var(--mono); font-size: 18px; letter-spacing: .05em; }
.toolbar h1 .n { color: var(--accent); font-size: 13px; margin-left: 8px; }
.toolbar .spacer { flex: 1; }
.toolbar select { min-height: 30px; }

.achip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-dim); border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 10px;
}
.achip b { color: var(--accent); font-weight: 500; }
.achip .x { cursor: pointer; color: var(--ink-faint); font-size: 12px; line-height: 1; }
.achip .x:hover { color: var(--danger); }

.loadmore { display: block; margin: 22px auto 8px; min-height: 34px; padding: 7px 22px; }
.empty { padding: 60px 20px; text-align: center; color: var(--ink-dim); }
.empty .big { font-family: var(--mono); font-size: 15px; color: var(--ink); margin-bottom: 10px; }

/* ---------- app page ---------- */
.appframe { display: flex; flex-direction: column; min-height: calc(100vh - 53px); }
.appbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 7px 14px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.appbar .nm { font-family: var(--mono); font-size: 13px; letter-spacing: .06em; color: var(--ink); }
.appbar .host { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); }
.appbar .spacer { flex: 1; }
.appstage { flex: 1 1 auto; min-height: 62vh; position: relative; background: #000; }
.appstage .stagebg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; filter: saturate(.7); pointer-events: none; }
.appstage iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.opencard { max-width: 570px; margin: 10vh auto; text-align: center; background: var(--panel); border: 1px solid var(--line-strong); border-radius: 6px; padding: 36px 30px; }
.opencard .big { font-family: var(--mono); font-size: 16px; margin-bottom: 10px; }
.opencard .why { color: var(--ink-dim); font-size: 12.5px; line-height: 1.6; margin: 10px 0 22px; }
.opencard .openbtn {
  display: inline-block; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  background: var(--accent); color: var(--accent-ink); font-weight: 700; padding: 11px 26px; border-radius: var(--r); text-decoration: none;
}
.opencard .openbtn:hover { background: #ffb26b; }
.infopanel { display: none; background: var(--panel); border-top: 1px solid var(--line); padding: 16px 18px 20px; }
.infopanel.open { display: block; }
.infopanel .in { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr; gap: 22px; font-size: 12.5px; color: var(--ink-dim); }
@media (max-width: 900px) { .infopanel .in { grid-template-columns: 1fr; } }
.infopanel h3 { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 8px; }
.infopanel .kv { margin: 0 0 6px; line-height: 1.6; }
.infopanel a { color: var(--ink-dim); }
.infopanel a:hover { color: var(--accent); }

/* ---------- how this works + footer ---------- */
.how { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 24px; margin-top: 44px; }
.how h2 { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px; }
.how .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; font-size: 12px; color: var(--ink-dim); line-height: 1.65; }
@media (max-width: 900px) { .how .cols { grid-template-columns: 1fr; } }
.how b { color: var(--ink); font-weight: 600; }

.foot { margin-top: 64px; border-top: 1px solid var(--line); background: var(--panel); padding: 26px 18px 34px; }
.foot .cols { max-width: 1440px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1.2fr 1fr; gap: 28px; font-size: 12px; color: var(--ink-dim); line-height: 1.7; }
@media (max-width: 900px) { .foot .cols { grid-template-columns: 1fr; } }
.foot h3 { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; }
.foot .li { display: flex; gap: 9px; align-items: center; font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em; margin: 5px 0; }
.foot a { color: var(--ink-dim); text-decoration: none; }
.foot a:hover { color: var(--accent); }

/* misc */
.muted { color: var(--ink-faint); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
kbd { font-family: var(--mono); font-size: 10px; background: var(--bg-raise); border: 1px solid var(--line-strong); border-radius: 3px; padding: 1px 5px; color: var(--ink-dim); }
.shelf { margin-top: 6px; }

/* ---------- credits ---------- */
.crednote { color: var(--ink-dim); font-size: 12.5px; line-height: 1.7; max-width: 900px; margin: 6px 0 20px; }
.crednote b { color: var(--ink); }
.credlist { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.credrow { display: grid; grid-template-columns: minmax(220px, 1.4fr) 1fr 110px 220px; gap: 12px; padding: 9px 14px; font-size: 12px; color: var(--ink-dim); border-bottom: 1px solid var(--line); }
.credrow:last-child { border-bottom: 0; }
.credrow:nth-child(odd) { background: var(--panel); }
.credrow b { color: var(--ink); font-weight: 600; }
.credrow .lic { font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint); }
.credrow .repo { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 900px) { .credrow { grid-template-columns: 1fr; gap: 2px; } }

/* ---------- sounds ---------- */
.pack { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); margin-bottom: 8px; }
.pack summary { display: flex; align-items: baseline; gap: 12px; padding: 12px 14px; cursor: pointer; list-style: none; }
.pack summary::-webkit-details-marker { display: none; }
.pack summary b { color: var(--ink); font-size: 13px; }
.pack summary span { font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint); }
.pack[open] summary { border-bottom: 1px solid var(--line); }
.pack summary::after { content: "+"; margin-left: auto; font-family: var(--mono); color: var(--ink-faint); }
.pack[open] summary::after { content: "\2212"; }
.previews { padding: 10px 14px 14px; display: flex; flex-direction: column; gap: 8px; }
.prow { display: grid; grid-template-columns: minmax(200px, 1fr) 420px; gap: 12px; align-items: center; font-family: var(--mono); font-size: 11px; color: var(--ink-dim); }
.prow audio { width: 100%; height: 30px; }
@media (max-width: 900px) { .prow { grid-template-columns: 1fr; } }