/* ---------- Curator's Desk (3D) ---------- */
body.deskpage { overflow: hidden; height: 100svh; background: var(--lilac); }
.deskpage .nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; }
#scene { position: fixed; inset: 0; z-index: 1; touch-action: none; }
#scene canvas { display: block; width: 100%; height: 100%; }

/* ui overlay like a technical sheet */
.dui { position: fixed; inset: 0; z-index: 20; pointer-events: none; font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--violet); }
.dui__tl { position: absolute; left: clamp(20px, 4vw, 48px); top: calc(var(--nav-h) + 6px); }
.dui__tl h1 { font-family: var(--font-display); font-style: italic; font-weight: 600; text-transform: none; letter-spacing: -.02em; font-size: clamp(32px, 4vw, 54px); line-height: 1; color: var(--violet); filter: drop-shadow(0 10px 20px rgba(109, 91, 186, .18)); }
.dui__tl .hand { display: block; text-transform: none; letter-spacing: 0; font-size: clamp(18px, 1.6vw, 24px); margin-top: 8px; color: var(--violet-soft); }
.dui__index { position: absolute; left: clamp(20px, 4vw, 48px); bottom: 28px; display: flex; flex-direction: column; gap: 6px; pointer-events: auto; }
.dui__index button { display: flex; align-items: center; gap: 12px; padding: 4px 0; letter-spacing: .22em; text-transform: uppercase; font-size: 10px; font-weight: 700; color: var(--violet); opacity: .75; transition: opacity .3s, transform .3s var(--ease-out); text-align: left; }
.dui__index button i { width: 18px; height: 1px; background: currentColor; transition: width .3s; }
.dui__index button:hover, .dui__index button.is-active { opacity: 1; transform: translateX(4px); }
.dui__index button:hover i, .dui__index button.is-active i { width: 30px; }
.dui__hint { position: absolute; right: clamp(20px, 4vw, 48px); bottom: 28px; display: flex; gap: 22px; opacity: .7; }
.dui__hint span { display: flex; align-items: center; gap: 8px; }
.dui__hint svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.5; }
.dui__meta { position: absolute; right: clamp(20px, 4vw, 48px); top: calc(var(--nav-h) + 14px); text-align: right; line-height: 1.9; opacity: .6; }
.dui__dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--violet); margin-right: 8px; vertical-align: middle; animation: blink 2.4s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

/* markers projected from 3D */
.markers { position: fixed; inset: 0; z-index: 15; pointer-events: none; }
.marker {
  position: absolute; left: 0; top: 0; width: 38px; height: 38px; margin: -19px 0 0 -19px;
  border-radius: 50%; border: 1.5px solid var(--violet); background: rgba(255, 253, 240, .82);
  color: var(--violet); font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: .05em;
  display: grid; place-items: center; pointer-events: auto;
  transform: translate3d(var(--mx, -100px), var(--my, -100px), 0) scale(var(--ms, 1));
  transition: background .3s, color .3s, opacity .4s; box-shadow: 0 8px 20px -8px rgba(74, 61, 140, .5);
}
.marker::before { content: ""; position: absolute; inset: -7px; border-radius: 50%; border: 1px solid rgba(109, 91, 186, .4); animation: pulse 2.6s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(.8); opacity: .9; } 100% { transform: scale(1.5); opacity: 0; } }
.marker:hover, .marker.is-active { background: var(--violet); color: var(--cream); }
.marker.is-hidden { opacity: 0; pointer-events: none; }
.marker__name { position: absolute; left: 50%; bottom: calc(100% + 7px); transform: translateX(-50%); white-space: nowrap; font-family: var(--font-hand); font-weight: 700; font-size: 18px; letter-spacing: 0; color: var(--violet); background: rgba(255, 253, 240, .88); padding: 1px 10px 2px; border-radius: 12px; box-shadow: 0 6px 16px -8px rgba(74, 61, 140, .45); transition: opacity .3s, background .3s, color .3s; pointer-events: none; }
.marker:hover .marker__name, .marker.is-active .marker__name { background: var(--violet); color: var(--cream); }
body.has-focus .marker:not(.is-active) { opacity: 0; pointer-events: none; }

/* object intro panel */
.opanel {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(760px, 54vw); z-index: 60;
  background: var(--paper); color: var(--ink); overflow-y: auto; overscroll-behavior: contain;
  padding: calc(var(--nav-h) + 8px) clamp(24px, 3vw, 44px) 60px;
  box-shadow: -30px 0 60px -30px rgba(74, 61, 140, .45);
  transform: translateX(104%); transition: transform .7s var(--ease-out);
}
.opanel.is-open { transform: none; }
.opanel__num { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .26em; color: var(--violet); display: flex; align-items: center; gap: 12px; }
.opanel__num::after { content: ""; flex: 1; height: 1px; background: rgba(109, 91, 186, .25); }
.opanel__name { font-family: var(--font-display); font-style: italic; font-weight: 600; font-size: clamp(30px, 2.8vw, 42px); line-height: 1.05; color: var(--violet-ink); margin: 14px 0 6px; }
.opanel__trait { font-family: var(--font-hand); font-weight: 700; font-size: 22px; color: var(--violet-soft); line-height: 1.2; margin-bottom: 22px; }
.opanel__text { font-family: var(--font-mono); font-size: 13.5px; line-height: 1.85; margin-bottom: 26px; }
.opanel__photos { display: grid; grid-template-columns: 1fr; gap: 30px 14px; margin: 6px 6px 30px; }
.opanel__photos .photo { position: relative; background: #fff; padding: 8px 8px 26px; box-shadow: 0 18px 30px -14px rgba(74, 61, 140, .5), 0 2px 6px rgba(74, 61, 140, .12); transform: rotate(var(--r, 0deg)); }
.opanel__photos .photo:nth-child(odd) { --r: -1.2deg; } .opanel__photos .photo:nth-child(even) { --r: 1.2deg; }
.opanel__photos .photo img { width: 100%; height: auto; display: block; }
.opanel__photos .photo::before { content: ""; position: absolute; left: 50%; top: -9px; width: 60px; height: 18px; margin-left: -30px; transform: rotate(-3deg); background: rgba(230, 225, 249, .85); box-shadow: 0 1px 2px rgba(0, 0, 0, .08); z-index: 2; }
.opanel__specimen { display: flex; align-items: center; gap: 16px; padding: 14px; border-radius: 6px; background: var(--bone); box-shadow: inset 0 0 0 1px rgba(201, 168, 106, .45); }
.opanel__specimen img { width: 84px; height: 84px; object-fit: cover; border-radius: 4px; }
.opanel__specimen .label { font-size: 10px; }
.opanel__specimen .hand { display: block; font-size: 18px; }
.opanel__close { position: absolute; top: 22px; right: 22px; width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--violet); color: var(--violet); display: grid; place-items: center; font-size: 22px; background: var(--paper); transition: background .3s, color .3s; z-index: 2; }
.opanel__close:hover { background: var(--violet); color: var(--cream); }
.opanel .btn { margin-top: 8px; }
.opanel__nav { display: flex; justify-content: space-between; margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(74, 61, 140, .18); font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.opanel__nav button { color: var(--violet); display: flex; align-items: center; gap: 8px; }
.opanel__nav button:hover { color: var(--violet-ink); }

/* loader + intro */
.dload { position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; background: var(--lilac); transition: opacity .8s var(--ease-soft); }
.dload.is-done { opacity: 0; pointer-events: none; }
.dload__ring { width: 64px; height: 64px; border-radius: 50%; border: 1.5px solid rgba(109, 91, 186, .3); border-top-color: var(--violet); animation: spin 1.1s linear infinite; display: grid; place-items: center; }
.dload__ring .pf { position: static; width: 22px; filter: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.dintro { position: fixed; inset: 0; z-index: 65; background: var(--lilac) center / cover no-repeat; opacity: 0; pointer-events: none; transition: opacity 1.4s var(--ease-soft); }
.dintro.is-on { opacity: 1; }
.dfallback { position: fixed; inset: 0; z-index: 2; display: none; place-items: center; padding: calc(var(--nav-h) + 20px) 20px 120px; }
.dfallback img { max-width: min(900px, 92vw); border-radius: 8px; box-shadow: 0 30px 60px -20px rgba(74, 61, 140, .5); }
body.no-webgl .dfallback { display: grid; }

@media (max-width: 760px) {
  .dui__tl h1 { font-size: 30px; }
  .dui__meta, .dui__hint { display: none; }
  .dui__index { bottom: 18px; flex-direction: row; flex-wrap: wrap; gap: 4px 14px; right: 20px; }
  .dui__index button span { display: none; }
  .dui__index button i { display: none; }
  .opanel { top: auto; left: 0; right: 0; width: auto; height: 78svh; border-radius: 18px 18px 0 0; padding: 26px 20px 50px; transform: translateY(104%); box-shadow: 0 -30px 60px -30px rgba(74, 61, 140, .45); }
  .opanel.is-open { transform: none; }
  .opanel__close { top: 14px; right: 14px; }
}