/* 3dmodels — public gallery */
:root {
  --bg: #080c16;
  --bg-2: #0d1322;
  --panel: rgba(20, 27, 45, 0.78);
  --panel-solid: #141b2d;
  --panel-2: #1a2339;
  --line: rgba(148, 163, 203, 0.14);
  --line-2: rgba(148, 163, 203, 0.24);
  --text: #e9edf7;
  --muted: #98a3bf;
  --faint: #66728f;
  --accent: #8b7bff;
  --accent-2: #2ed3ee;
  --accent-ink: #0b0f1a;
  --warm: #ffb547;
  --ok: #3ddc97;
  --danger: #ff6b7a;
  --stage-a: rgba(139, 123, 255, 0.16);
  --stage-b: rgba(46, 211, 238, 0.05);
  --stage-c: #10172a;
  --shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}
[data-theme="light"] {
  --bg: #eef1f8;
  --bg-2: #e6eaf4;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-solid: #ffffff;
  --panel-2: #f3f5fb;
  --line: rgba(30, 41, 72, 0.10);
  --line-2: rgba(30, 41, 72, 0.18);
  --text: #141a2c;
  --muted: #56617c;
  --faint: #8a94ad;
  --accent: #6553f5;
  --accent-2: #0aa7c4;
  --accent-ink: #ffffff;
  --stage-a: rgba(101, 83, 245, 0.12);
  --stage-b: rgba(10, 167, 196, 0.06);
  --stage-c: #e9edf7;
  --shadow: 0 18px 40px -18px rgba(30, 41, 72, 0.35);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  background: radial-gradient(1200px 700px at 50% -10%, var(--bg-2), var(--bg)) fixed, var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
mark { background: none; color: var(--accent-2); font-weight: 700; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

/* The shared WebGL canvas floats above card backgrounds and draws into each card's stage. */
#gallery-canvas {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  pointer-events: none; z-index: 5;
}
body.modal-open #gallery-canvas { visibility: hidden; }

.glow { position: fixed; border-radius: 50%; filter: blur(90px); opacity: .35; pointer-events: none; z-index: 0; }
.glow-a { width: 520px; height: 520px; background: #5b4bff; top: -220px; left: -160px; }
.glow-b { width: 460px; height: 460px; background: #0ec5e6; top: 120px; right: -220px; opacity: .18; }
[data-theme="light"] .glow { opacity: .14; }

/* ---------------------------------------------------------------- top bar */
.topbar {
  position: relative; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(16px, 4vw, 40px);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -.01em; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
  box-shadow: 0 6px 18px -6px var(--accent);
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-name { font-size: 1.05rem; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
}
.icon-btn:hover { color: var(--text); border-color: var(--line-2); }
.icon-btn svg, .ic svg { width: 18px; height: 18px; display: block; }

main { position: relative; padding: 0 clamp(16px, 4vw, 40px); max-width: 1500px; margin: 0 auto; }

/* ---------------------------------------------------------------- hero + search */
.hero { text-align: center; padding: clamp(18px, 5vw, 46px) 0 22px; }
.hero h1 { font-size: clamp(2rem, 5.2vw, 3.6rem); line-height: 1.05; letter-spacing: -.035em; margin: 0 0 12px; font-weight: 800; }
.grad { background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tagline { color: var(--muted); margin: 0 auto; max-width: 620px; font-size: clamp(.98rem, 1.6vw, 1.1rem); }

.search-wrap { position: sticky; top: 10px; z-index: 30; max-width: 760px; margin: 18px auto 0; }
.search {
  position: relative; display: flex; align-items: center;
  background: var(--panel); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line-2); border-radius: 20px; height: 62px; padding: 0 14px 0 18px;
  box-shadow: var(--shadow);
  transition: border-color .15s, box-shadow .15s;
}
.search:focus-within { border-color: color-mix(in srgb, var(--accent) 70%, transparent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent), var(--shadow); }
.search-ic { width: 22px; height: 22px; color: var(--muted); flex: none; }
.search-ic svg { width: 22px; height: 22px; }
.search input {
  flex: 1; min-width: 0; height: 100%; background: none; border: 0; outline: none;
  font-size: 1.12rem; padding: 0 12px; color: var(--text);
}
.search input::placeholder { color: var(--faint); }
.search input::-webkit-search-cancel-button { display: none; }
.clear-btn { background: var(--panel-2); border: 0; width: 28px; height: 28px; border-radius: 8px; cursor: pointer; color: var(--muted); font-size: 20px; line-height: 1; }
.kbd { margin-left: 8px; font: 600 .78rem/1 var(--font); color: var(--faint); border: 1px solid var(--line-2); border-radius: 7px; padding: 5px 8px; }
.search:focus-within .kbd { display: none; }
.suggest {
  position: absolute; z-index: 40; left: 0; right: 0; top: calc(100% + 8px); margin: 0; padding: 6px; list-style: none;
  background: var(--panel-solid); border: 1px solid var(--line-2); border-radius: 16px; box-shadow: var(--shadow);
}
.suggest li { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; cursor: pointer; color: var(--muted); }
.suggest li img { width: 30px; height: 30px; border-radius: 8px; background: var(--stage-c); object-fit: contain; }
.suggest li .kind { margin-left: auto; font-size: .75rem; color: var(--faint); }
.suggest li.sel, .suggest li:hover { background: var(--panel-2); color: var(--text); }
.quick { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 12px; }
.quick button {
  border: 1px solid var(--line); background: var(--panel); color: var(--muted); border-radius: 999px;
  padding: 6px 13px; cursor: pointer; font-size: .88rem; backdrop-filter: blur(8px);
}
.quick button:hover { color: var(--text); border-color: var(--line-2); }
.search-wrap.stuck .quick { display: none; }

/* ---------------------------------------------------------------- stats */
.stats { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin: 26px 0 8px; }
.stat {
  display: flex; align-items: baseline; gap: 8px; padding: 10px 16px; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--line);
}
.stat b { font-size: 1.25rem; letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: .88rem; }

/* ---------------------------------------------------------------- categories */
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 26px 0 12px; }
.section-head h2 { font-size: 1.05rem; margin: 0; letter-spacing: -.01em; }
.cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.cat {
  position: relative; display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 16px;
  background: var(--panel); border: 1px solid var(--line); cursor: pointer; text-align: left; overflow: hidden;
  transition: border-color .15s, background .15s;
}
.cat:hover { border-color: var(--line-2); }
.cat.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--panel)); }
.cat img { width: 54px; height: 54px; border-radius: 12px; background: radial-gradient(circle at 50% 35%, var(--stage-a), var(--stage-c)); object-fit: contain; flex: none; }
.cat .t { font-weight: 650; }
.cat .n { color: var(--muted); font-size: .85rem; }

/* ---------------------------------------------------------------- toolbar */
.results { margin-top: 26px; padding-bottom: 40px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.seg { display: inline-flex; padding: 4px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line); }
.seg button { border: 0; background: none; padding: 7px 14px; border-radius: 10px; cursor: pointer; color: var(--muted); font-size: .9rem; }
.seg button.on { background: var(--panel-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.toolbar-right { display: flex; align-items: center; gap: 14px; }
.count { color: var(--muted); font-size: .9rem; }
.sort { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .9rem; }
.sort select { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; }
.active-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.active-filters:empty { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px; font-size: .84rem;
  background: color-mix(in srgb, var(--accent) 14%, var(--panel)); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  cursor: pointer;
}

/* ---------------------------------------------------------------- cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(230px, 100%), 1fr)); gap: 16px; }
.card {
  display: flex; flex-direction: column; text-decoration: none; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line); overflow: hidden;
  transition: border-color .18s, box-shadow .18s;
  animation: rise .35s ease both;
}
@keyframes rise { from { opacity: 0; translate: 0 8px; } to { opacity: 1; translate: 0 0; } }
.card:hover { border-color: color-mix(in srgb, var(--accent) 55%, transparent); box-shadow: 0 16px 36px -14px color-mix(in srgb, var(--accent) 55%, transparent); }
.stage {
  position: relative; aspect-ratio: 1 / 1; cursor: grab; touch-action: pan-y;
  background: radial-gradient(circle at 50% 40%, var(--stage-a), var(--stage-b) 55%, transparent 75%), var(--stage-c);
}
.stage:active { cursor: grabbing; }
.stage .poster { position: absolute; inset: 7%; width: 86%; height: 86%; object-fit: contain; transition: opacity .35s; }
.stage.is-3d .poster { opacity: 0; }
.stage .spin-hint { position: absolute; right: 10px; bottom: 9px; font-size: .72rem; color: var(--faint); opacity: 0; transition: opacity .2s; }
.card:hover .spin-hint { opacity: 1; }
.meta { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; border-top: 1px solid var(--line); }
.meta h3 { margin: 0; font-size: .98rem; font-weight: 650; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meta .sub { color: var(--muted); font-size: .8rem; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  font-size: .7rem; font-weight: 650; letter-spacing: .02em; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--muted);
}
.badge.tex { color: #ffcf7a; border-color: rgba(255, 181, 71, .35); background: rgba(255, 181, 71, .08); }
.badge.untex { color: #b9c3dc; }
.badge.print { color: #7ff0c0; border-color: rgba(61, 220, 151, .35); background: rgba(61, 220, 151, .08); }
[data-theme="light"] .badge.tex { color: #9a5b00; }
[data-theme="light"] .badge.print { color: #0b7a4b; }
[data-theme="light"] .badge.untex { color: #56617c; }

.skeleton .stage { background: linear-gradient(90deg, var(--panel) 0%, var(--panel-2) 50%, var(--panel) 100%); background-size: 200% 100%; animation: shimmer 1.2s infinite; }
.skeleton .meta h3, .skeleton .meta .sub { height: 12px; background: var(--panel-2); border-radius: 6px; }
.skeleton .meta .sub { width: 60%; }
@keyframes shimmer { to { background-position: -200% 0; } }

.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty h3 { color: var(--text); margin: 0 0 6px; font-size: 1.2rem; }
.empty button { margin: 4px; }
.link-btn { background: none; border: 0; color: var(--accent-2); cursor: pointer; padding: 0; font-weight: 600; }
.sentinel { height: 1px; }

.footer { position: relative; z-index: 2; text-align: center; color: var(--faint); font-size: .82rem; padding: 26px 16px 34px; }

/* ---------------------------------------------------------------- model modal */
.modal {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: clamp(0px, 2.5vw, 28px);
  background: rgba(4, 7, 14, .66); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  animation: fade .2s ease;
}
@keyframes fade { from { opacity: 0; } }
.modal-box {
  position: relative; width: min(1320px, 100%); height: min(860px, 100%);
  display: grid; grid-template-columns: minmax(0, 1fr) 390px;
  background: var(--panel-solid); border: 1px solid var(--line-2); border-radius: 24px; overflow: hidden;
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, .6);
}
.viewer {
  position: relative; min-height: 0;
  background: radial-gradient(circle at 50% 40%, var(--stage-a), var(--stage-b) 50%, transparent 75%), var(--stage-c);
}
.viewer[data-bg="light"] { background: radial-gradient(circle at 50% 40%, #ffffff, #d7dce8); }
.viewer[data-bg="dark"] { background: radial-gradient(circle at 50% 40%, #2a3045, #0c0f17); }
.viewer[data-bg="studio"] { background: linear-gradient(180deg, #4b5470 0%, #1b2030 60%, #0f121b 100%); }
.mv-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
.mv-canvas:active { cursor: grabbing; }
.viewer .loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); pointer-events: none; }
.viewer .fallback { position: absolute; inset: 10%; width: 80%; height: 80%; object-fit: contain; }
.spinner { width: 36px; height: 36px; border-radius: 50%; border: 3px solid var(--line-2); border-top-color: var(--accent); animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.vbar {
  position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 4px; padding: 5px;
  background: var(--panel); backdrop-filter: blur(12px); border: 1px solid var(--line-2); border-radius: 14px;
}
.vbar button { width: 38px; height: 38px; border: 0; border-radius: 10px; background: none; color: var(--muted); cursor: pointer; display: grid; place-items: center; }
.vbar button:hover { background: var(--panel-2); color: var(--text); }
.vbar button.on { background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--text); }
.vbar button svg { width: 19px; height: 19px; }
.vbar .sep { width: 1px; background: var(--line-2); margin: 6px 3px; }
.vhint { position: absolute; left: 16px; top: 14px; font-size: .78rem; color: var(--faint); }
.hq-btn {
  position: absolute; left: 50%; top: 14px; transform: translateX(-50%); z-index: 2; cursor: pointer;
  padding: 7px 14px; border-radius: 999px; font-size: .82rem; font-weight: 600; color: var(--text);
  background: var(--panel); border: 1px solid var(--line-2); backdrop-filter: blur(10px);
}
.hq-btn:hover { border-color: var(--accent); }
.modal-close, .modal-nav {
  position: absolute; z-index: 3; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line-2); color: var(--text); backdrop-filter: blur(10px);
}
.modal-close { top: 14px; right: 14px; }
.modal-nav.prev { left: 14px; top: 50%; transform: translateY(-50%); }
.modal-nav.next { right: 404px; top: 50%; transform: translateY(-50%); }
.modal-close svg, .modal-nav svg { width: 20px; height: 20px; }
.details { overflow-y: auto; padding: 26px 24px 24px; display: flex; flex-direction: column; gap: 18px; border-left: 1px solid var(--line); }
.details h2 { margin: 0; font-size: 1.45rem; letter-spacing: -.02em; line-height: 1.2; padding-right: 40px; }
.details .crumbs { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; color: var(--muted); font-size: .85rem; }
.details .desc { color: var(--muted); line-height: 1.55; margin: 0; font-size: .94rem; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: .8rem; padding: 4px 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); color: var(--muted); cursor: pointer; }
.tag:hover { color: var(--text); border-color: var(--line-2); }
.specs { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin: 0; font-size: .88rem; }
.specs dt { color: var(--faint); }
.specs dd { margin: 0; color: var(--text); overflow-wrap: anywhere; }
.specs a { color: var(--accent-2); text-decoration: none; }
.dl { padding: 16px; border-radius: 16px; background: var(--panel-2); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.dl h3 { margin: 0; font-size: .95rem; }
.dl label { display: flex; flex-direction: column; gap: 5px; font-size: .8rem; color: var(--muted); }
.dl select { background: var(--panel-solid); border: 1px solid var(--line-2); border-radius: 10px; padding: 9px 10px; }
.dl .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dl .note { font-size: .78rem; color: var(--faint); margin: 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 16px; border-radius: 12px;
  border: 0; cursor: pointer; font-weight: 650; text-decoration: none;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-2))); color: #fff;
  box-shadow: 0 10px 22px -10px var(--accent);
}
.btn:hover { filter: brightness(1.08); }
.btn svg { width: 18px; height: 18px; }

#toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast { padding: 10px 16px; border-radius: 12px; background: var(--panel-solid); border: 1px solid var(--line-2); box-shadow: var(--shadow); font-size: .9rem; transition: opacity .3s; }
.toast.out { opacity: 0; }
.toast-error { border-color: var(--danger); }

@media (max-width: 900px) {
  .modal { padding: 0; }
  .modal-box { grid-template-columns: 1fr; grid-template-rows: 52vh 1fr; height: 100%; border-radius: 0; border: 0; }
  .details { border-left: 0; border-top: 1px solid var(--line); }
  .modal-nav.next { right: 14px; top: 26vh; }
  .modal-nav.prev { top: 26vh; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .meta { padding: 10px; }
  .meta h3 { font-size: .9rem; }
  .search { height: 54px; border-radius: 16px; }
  .search input { font-size: 1rem; }
  .kbd { display: none; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .seg { overflow-x: auto; }
  .toolbar-right { justify-content: space-between; }
  .stat { padding: 8px 12px; }
  .cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vbar { bottom: 10px; }
  .vbar button { width: 34px; height: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  .card { animation: none; }
}