/* ==========================================================================
   THE EXAMINATION TABLE (3D) · wing: table
   All DOM chrome is generated by spatial.js inside #spatial-museum-modal.
   Panels use the atmosphere tokens (--surface, --ink, --gold ...); the 3D room
   itself keeps its own physical lighting.
   ========================================================================== */
#spatial-museum-modal.trt {
  position: fixed;
  inset: 0;
  z-index: 100200; /* above the wing bar: the table is a full-screen room with its own Exit */
  background: #0a0806;
  color: var(--ink);
  font-family: var(--font);
  overflow: hidden;
  display: block;
  animation: trt-in 0.35s var(--ease-out, ease-out);
  -webkit-tap-highlight-color: transparent;
}
#spatial-museum-modal.trt[hidden] { display: none; }
body.trt-open .wings { visibility: hidden; }

@keyframes trt-in { from { opacity: 0; } to { opacity: 1; } }

.trt .trt-stage {
  position: absolute;
  inset: 0;
  touch-action: none;
  cursor: grab;
  background: #0a0806;
}
.trt .trt-stage.is-turning,
.trt .trt-stage:active { cursor: grabbing; }
.trt .trt-canvas { display: block; width: 100%; height: 100%; outline: none; position: relative; z-index: 1; }
.trt .trt-camera { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.trt .trt-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background: radial-gradient(120% 90% at 50% 45%, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
}
.trt .trt-sr {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- shared panel look ---------- */
.trt .trt-plate,
.trt .trt-dock,
.trt .trt-drawer,
.trt .trt-veil-card,
.trt .trt-qr-card {
  background: var(--surface);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  backdrop-filter: blur(18px) saturate(1.15);
}

/* ---------- buttons ---------- */
.trt .trt-btn,
.trt .trt-exit {
  min-height: 44px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  font: 600 0.86rem/1 var(--font);
  letter-spacing: 0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
}
.trt .trt-btn:hover { background: color-mix(in srgb, var(--gold) 14%, transparent); }
.trt .trt-btn:active { transform: scale(0.96); }
.trt .trt-btn:disabled { opacity: 0.35; cursor: default; }
.trt .trt-btn:focus-visible,
.trt .trt-exit:focus-visible,
.trt .trt-seg button:focus-visible,
.trt .trt-tabs button:focus-visible,
.trt .trt-pick:focus-visible,
.trt .trt-add:focus-visible,
.trt .trt-link:focus-visible,
.trt input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.trt .trt-btn svg, .trt .trt-exit svg { flex: none; }
.trt .trt-icon-only { width: 44px; padding: 0; }
.trt .trt-btn-pill {
  border-color: var(--line-strong);
  background: var(--surface);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.trt .trt-primary { background: var(--gold); color: var(--bg); border-color: var(--gold); }
.trt .trt-primary:hover { background: var(--gold); filter: brightness(1.08); }
.trt .trt-btn.is-on { background: var(--gold); color: var(--bg); }

.trt .trt-exit {
  background: var(--ink);
  color: var(--bg);
  padding: 0 16px 0 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}
.trt .trt-exit:hover { filter: brightness(1.1); }

/* ---------- top bar ---------- */
.trt .trt-top {
  position: absolute;
  z-index: 5;
  top: max(14px, env(safe-area-inset-top));
  left: max(16px, env(safe-area-inset-left));
  right: max(16px, env(safe-area-inset-right));
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  pointer-events: none;
}
.trt .trt-top > * { pointer-events: auto; }
.trt .trt-plate {
  border-radius: var(--radius, 16px);
  padding: 12px 18px 13px;
  max-width: min(540px, 58vw);
  min-width: 0;
}
.trt .trt-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font: 700 0.7rem/1.3 var(--font);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
.trt .trt-ser { font-family: var(--mono); letter-spacing: 0.04em; color: var(--muted); font-weight: 500; text-transform: none; }
.trt .trt-title {
  margin: 4px 0 3px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  line-height: 1.15;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.trt .trt-meta { font-size: 0.84rem; color: var(--muted); line-height: 1.35; }
.trt .trt-actions { display: flex; gap: 8px; align-items: center; flex: none; }

/* ---------- control dock ---------- */
.trt .trt-dock {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: max(16px, calc(env(safe-area-inset-bottom) + 10px));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  border-radius: 999px;
  max-width: calc(100vw - 24px);
  overflow-x: auto;
  scrollbar-width: none;
}
.trt .trt-dock::-webkit-scrollbar { display: none; }
.trt .trt-sep { width: 1px; height: 24px; background: var(--line-strong); margin: 0 4px; flex: none; }
.trt .trt-seg {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  flex: none;
}
.trt .trt-seg[hidden] { display: none; }
.trt .trt-seg button {
  min-height: 38px;
  padding: 0 13px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 600 0.82rem/1 var(--font);
  cursor: pointer;
  white-space: nowrap;
}
.trt .trt-seg button[aria-checked="true"] { background: var(--gold); color: var(--bg); }

.trt .trt-hint {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: calc(max(16px, calc(env(safe-area-inset-bottom) + 10px)) + 66px);
  transform: translateX(-50%);
  margin: 0;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.5);
  color: rgba(255, 246, 228, 0.9);
  font-size: 0.8rem;
  text-align: center;
  max-width: calc(100vw - 32px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}
.trt .trt-hint.is-on { opacity: 1; }

/* ---------- collection drawer ---------- */
.trt .trt-drawer {
  position: absolute;
  z-index: 6;
  top: calc(max(14px, env(safe-area-inset-top)) + 64px);
  right: max(16px, env(safe-area-inset-right));
  bottom: calc(max(16px, env(safe-area-inset-bottom)) + 70px);
  width: min(380px, calc(100vw - 32px));
  border-radius: var(--radius, 16px);
  display: flex;
  flex-direction: column;
  padding: 12px 12px 8px;
  color: var(--ink);
}
.trt .trt-drawer[hidden] { display: none; }
.trt .trt-drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 2px 8px 6px; }
.trt .trt-drawer-head h3 { margin: 0; font: 600 1.1rem/1.2 var(--serif); color: var(--ink); }
.trt .trt-search input {
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  font: 500 0.95rem var(--font);
}
.trt .trt-search input::placeholder { color: var(--muted); }
.trt .trt-tabs { display: flex; gap: 4px; margin: 10px 0 6px; }
.trt .trt-tabs button {
  flex: 1;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 600 0.8rem var(--font);
  cursor: pointer;
}
.trt .trt-tabs button[aria-selected="true"] { background: var(--gold); border-color: var(--gold); color: var(--bg); }
.trt .trt-ontable { display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; color: var(--muted); padding: 4px 6px 6px; }
.trt .trt-link { border: 0; background: none; color: var(--gold); font: 600 0.78rem var(--font); cursor: pointer; padding: 6px 4px; min-height: 32px; }
.trt .trt-list {
  list-style: none;
  margin: 0;
  padding: 0 2px 0 0;
  overflow-y: auto;
  flex: 1;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.trt .trt-row { display: flex; align-items: center; gap: 6px; border-radius: 12px; }
.trt .trt-row.is-current { background: color-mix(in srgb, var(--gold) 12%, transparent); }
.trt .trt-pick {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}
.trt .trt-pick:hover { background: var(--row-hover, rgba(200, 169, 74, 0.06)); }
.trt .trt-row-text { display: flex; flex-direction: column; min-width: 0; }
.trt .trt-row-title { font: 600 0.9rem/1.25 var(--font); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.trt .trt-row-sub { font: 500 0.74rem/1.3 var(--mono); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.trt .trt-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; background: color-mix(in srgb, var(--ink) 18%, transparent); }
.trt .trt-dot.ag { background: radial-gradient(circle at 35% 35%, #ffffff, #b9bcc2 60%, #7c7f86); }
.trt .trt-dot.au { background: radial-gradient(circle at 35% 35%, #fff0b3, #e3b24a 60%, #8a5f14); }
.trt .trt-add {
  flex: none;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.trt .trt-add.is-on { background: var(--gold); border-color: var(--gold); color: var(--bg); }
.trt .trt-more { padding: 12px 8px; font-size: 0.8rem; color: var(--muted); }

/* ---------- loading / error veil ---------- */
.trt .trt-veil {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  place-items: center;
  padding: 16px;
  background: radial-gradient(80% 70% at 50% 45%, #1a130b 0%, #0a0806 70%);
  transition: opacity 0.45s ease;
}
.trt .trt-veil[hidden] { display: none; }
.trt .trt-veil.is-gone { opacity: 0; pointer-events: none; }
.trt .trt-veil-card {
  max-width: 420px;
  border-radius: var(--radius, 16px);
  padding: 22px 24px;
  text-align: center;
}
.trt .trt-veil-card h3 { margin: 10px 0 6px; font: 600 1.25rem/1.25 var(--serif); color: var(--ink); }
.trt .trt-veil-card p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.5; }
.trt .trt-veil-actions { display: flex; gap: 8px; justify-content: center; margin-top: 16px; flex-wrap: wrap; }
.trt .trt-veil-actions:empty { display: none; }
.trt .trt-spinner {
  width: 34px; height: 34px;
  margin: 0 auto;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--gold) 25%, transparent);
  border-top-color: var(--gold);
  animation: trt-spin 0.9s linear infinite;
}
.trt .trt-veil[data-state="error"] .trt-spinner { display: none; }
@keyframes trt-spin { to { transform: rotate(360deg); } }

/* ---------- QR dialog ---------- */
.trt .trt-qr {
  position: absolute;
  inset: 0;
  z-index: 9;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.6);
}
.trt .trt-qr[hidden] { display: none; }
.trt .trt-qr-card { border-radius: var(--radius, 16px); padding: 16px 18px 18px; max-width: 340px; text-align: center; }
.trt .trt-qr-card p { color: var(--muted); font-size: 0.85rem; line-height: 1.45; margin: 12px 0 14px; }
.trt .trt-qr-code { display: inline-block; padding: 12px; background: #fff; border-radius: 12px; line-height: 0; word-break: break-all; color: #111; font-size: 0.7rem; }

/* ---------- phones ---------- */
@media (max-width: 720px) {
  .trt .trt-top { flex-direction: column-reverse; align-items: stretch; gap: 8px; }
  .trt .trt-actions { justify-content: flex-end; }
  .trt .trt-plate { max-width: none; padding: 10px 14px 11px; }
  .trt .trt-title { font-size: 1.1rem; }
  .trt .trt-meta { font-size: 0.78rem; }
  .trt #trt-browse span { display: none; }
  .trt #trt-browse { width: 44px; padding: 0; }
  .trt .trt-dock { left: 12px; right: 12px; transform: none; max-width: none; border-radius: 22px; justify-content: flex-start; }
  .trt .trt-dock .trt-btn span { display: none; }
  .trt .trt-dock .trt-btn { width: 44px; padding: 0; flex: none; }
  .trt .trt-sep { margin: 0 2px; }
  .trt .trt-seg button { padding: 0 10px; font-size: 0.78rem; }
  .trt .trt-hint { bottom: calc(max(16px, calc(env(safe-area-inset-bottom) + 10px)) + 64px); font-size: 0.74rem; }
  .trt .trt-drawer {
    top: auto;
    left: 0; right: 0; bottom: 0;
    width: auto;
    height: min(68vh, 560px);
    border-radius: 20px 20px 0 0;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  #spatial-museum-modal.trt { animation: none; }
  .trt .trt-spinner { animation-duration: 3s; }
  .trt .trt-veil, .trt .trt-hint { transition: none; }
}
#spatial-museum-modal.trt:focus { outline: none; }
.trt .trt-record { margin-top: 0.45rem; padding: 0.35rem 0.7rem; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--gold, #d4af37) 70%, transparent);
  background: color-mix(in srgb, var(--gold, #d4af37) 14%, transparent); color: var(--ink, #f5f1e6); font: 600 0.82rem/1.2 inherit; cursor: pointer; min-height: 36px; }
.trt .trt-record:hover, .trt .trt-record:focus-visible { background: color-mix(in srgb, var(--gold, #d4af37) 28%, transparent); }