/* gala-web -- one hand-written stylesheet, no preprocessor, no build step.
 *
 * The content is panoramas, so the layout gets out of their way: wide media,
 * quiet chrome, and covers held at the 2:1 ratio equirectangular images
 * actually have, so nothing is cropped into a misleading square.
 */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1b2230;
  --border: #263041;
  --border-soft: #1e2733;
  --fg: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-dim: #1f6feb;
  --warn: #e3b341;
  --danger: #f85149;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .22);
  --gap: 1.25rem;
  --page: 1240px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "kern";
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #79c0ff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.65rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; color: var(--muted); font-weight: 600;
     text-transform: uppercase; letter-spacing: .06em; }
p { margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.warn { color: var(--warn); }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .7rem 1.25rem;
  background: rgba(13, 17, 23, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.brand {
  display: flex; align-items: center; gap: .5rem;
  color: var(--fg); font-weight: 700; font-size: 1.05rem; letter-spacing: -.02em;
}
.brand .mark {
  display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-dim), #2ea043);
  color: #fff; font-size: .62rem; font-weight: 700; letter-spacing: -.03em;
}
.site-nav { display: flex; gap: 1rem; align-items: center; }
.site-nav a { color: var(--muted); font-weight: 500; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--fg); }
.spacer { flex: 1; }
.who { color: var(--muted); font-size: .9rem; }

/* ------------------------------------------------------------------ page */
main { max-width: var(--page); margin: 0 auto; padding: 1.75rem 1.25rem 4rem; }

.page-head { margin-bottom: 1.5rem; }
.page-head .crumb { font-size: .85rem; color: var(--muted); margin-bottom: .3rem; }
.page-head .sub { color: var(--muted); margin: 0; }

.section { margin-bottom: 2.5rem; }
.section-head {
  display: flex; align-items: baseline; gap: .75rem;
  margin-bottom: .9rem; padding-bottom: .5rem;
  border-bottom: 1px solid var(--border-soft);
}
.section-head .count { color: var(--muted); font-size: .85rem; }

/* ------------------------------------------------------------------ chips */
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 .5rem; padding: 0; list-style: none; }
.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .25rem .7rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: .82rem;
  white-space: nowrap;
}
a.chip:hover { color: var(--fg); border-color: var(--accent-dim); }
.chip.is-default { color: var(--fg); border-color: var(--accent-dim); }
.chip-label {
  color: var(--accent);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.chip.is-warn { color: var(--warn); border-color: #4a3f22; background: #241f14; }
.chip.is-warn .chip-label { color: var(--warn); }

/* ------------------------------------------------------------------ grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--gap);
}
.grid.is-dense { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--fg);
  transition: transform .14s ease, border-color .14s ease, box-shadow .14s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--border);
  box-shadow: var(--shadow);
  color: var(--fg);
}
.card.is-unavailable { color: var(--muted); border-style: dashed; }
.card.is-unavailable:hover { transform: none; box-shadow: none; }
.card .thumb {
  position: relative;
  aspect-ratio: 2 / 1;          /* equirectangular covers are 2:1 */
  background: #05070a;
  overflow: hidden;
}
.card .thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.card .thumb.is-empty::after {
  content: "no cover";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: #46505e; font-size: .8rem; letter-spacing: .04em;
}
.badge {
  position: absolute; left: .55rem; top: .55rem;
  padding: .1rem .45rem;
  border-radius: 5px;
  background: rgba(0, 0, 0, .62);
  color: #cfe3ff;
  font-size: .68rem; font-weight: 700; letter-spacing: .05em;
}
.card .body { padding: .65rem .8rem .8rem; }
.card .title {
  font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card .summary {
  color: var(--muted); font-size: .86rem; line-height: 1.35; margin-top: .35rem;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card .meta { color: var(--muted); font-size: .82rem; margin-top: .2rem; }

/* ---------------------------------------------------------------- viewer */
.viewer-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #05070a;
  box-shadow: var(--shadow);
}
.viewer-hint {
  display: flex; flex-wrap: wrap; gap: .4rem .9rem;
  margin-top: .6rem; font-size: .84rem; color: var(--muted);
}
.viewer-status {
  min-height: 1.3em;
  margin: .55rem 0 0;
  color: var(--muted);
  font-size: .84rem;
}
.viewer-fallback {
  margin-top: .75rem;
}

.spatial-nav {
  margin-top: 1.4rem;
  padding: .9rem 1rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.spatial-nav h2 { font-size: 1rem; margin-bottom: .35rem; }
.spatial-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.2rem;
  margin: 0;
  padding-left: 1.2rem;
}
.spatial-nav p { margin: .35rem 0 0; font-size: .86rem; }

/* Pannellum's built-in scene hotspot is a pointer-only div. The restored tour
 * inserts a real link and writes recovered labels with textContent. */
.gala-tour-hotspot {
  width: 2.5rem;
  height: 2.5rem;
  margin: -1.25rem 0 0 -1.25rem;
}
.tour-hotspot-link {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  border: 2px solid #fff;
  border-radius: 50%;
  background: rgba(31, 111, 235, .9);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .55);
  color: #fff;
  font-weight: 750;
}
.tour-hotspot-link:hover,
.tour-hotspot-link:focus-visible { color: #fff; background: var(--accent); }
.tour-hotspot-marker { font-size: 1.15rem; line-height: 1; }
.tour-hotspot-label {
  position: absolute;
  left: 50%;
  bottom: calc(100% + .55rem);
  width: max-content;
  max-width: 16rem;
  padding: .3rem .5rem;
  border-radius: 5px;
  background: rgba(5, 7, 10, .92);
  color: #fff;
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.3;
  opacity: 0;
  pointer-events: none;
  text-align: center;
  transform: translateX(-50%);
  transition: opacity .12s ease;
}
.tour-hotspot-link:hover .tour-hotspot-label,
.tour-hotspot-link:focus-visible .tour-hotspot-label { opacity: 1; }

.notice {
  background: #1d1a12;
  border: 1px solid #4a3f22;
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  margin: 1rem 0;
}
.notice strong { color: var(--warn); }

/* ----------------------------------------------------------------- table */
details.files { margin-top: 1.75rem; }
details.files > summary {
  cursor: pointer; color: var(--muted);
  font-size: .9rem; padding: .4rem 0;
  border-top: 1px solid var(--border-soft);
}
details.files > summary:hover { color: var(--fg); }
details.files[open] > summary { margin-bottom: .6rem; }

.table-scroll { overflow-x: auto; }
table.files {
  width: 100%; border-collapse: collapse;
  font-size: .85rem; font-variant-numeric: tabular-nums;
}
table.files th {
  text-align: left; color: var(--muted); font-weight: 600;
  text-transform: uppercase; font-size: .72rem; letter-spacing: .05em;
}
table.files td, table.files th {
  padding: .4rem .6rem; border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
}
table.files tr.chosen { background: #12212e; }
table.files tr.chosen td:first-child { box-shadow: inset 2px 0 0 var(--accent); }
table.files tr.chosen td:first-child::after {
  content: " in view"; color: var(--accent); font-size: .72rem;
}

/* ----------------------------------------------------------------- forms */
.panel {
  max-width: 380px; margin: 3.5rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}
.panel h1 { font-size: 1.25rem; margin-bottom: 1rem; }
form.login { display: grid; gap: .7rem; }
form.login label { font-size: .82rem; color: var(--muted); }
form.login input {
  width: 100%; padding: .6rem .75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg); color: var(--fg);
  font: inherit;
}
form.login input:focus { border-color: var(--accent-dim); outline: none; }
form.login button {
  margin-top: .3rem; padding: .65rem;
  border: 0; border-radius: var(--radius-sm);
  background: var(--accent-dim); color: #fff;
  font: inherit; font-weight: 650; cursor: pointer;
}
form.login button:hover { background: var(--accent); }
.err { color: var(--danger); font-size: .88rem; }

/* ----------------------------------------------------------------- misc */
.pager { margin: 2rem 0 0; display: flex; justify-content: center; }
.btn {
  display: inline-block; padding: .5rem 1.1rem;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--fg); font-size: .9rem;
}
.btn:hover { border-color: var(--accent-dim); color: var(--fg); }
.btn.is-primary { background: var(--accent-dim); border-color: var(--accent-dim); color: #fff; }
.btn.is-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.is-disabled { color: var(--muted); cursor: default; opacity: .7; }
.btn.is-disabled:hover { border-color: var(--border); color: var(--muted); }
.album-start { margin: 1rem 0 0; }
.linear-nav {
  display: flex;
  justify-content: space-between;
  gap: .75rem;
  margin: 0 0 1rem;
}

.empty {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
  text-align: center;
  color: var(--muted);
}

img.full { max-width: 100%; border-radius: var(--radius); background: #000; }

.site-footer {
  border-top: 1px solid var(--border-soft);
  color: var(--muted); font-size: .82rem;
  padding: 1.25rem;
  text-align: center;
}

@media (max-width: 640px) {
  .site-header { gap: .9rem; padding: .6rem .9rem; }
  .site-nav { gap: .75rem; font-size: .9rem; }
  main { padding: 1.25rem .9rem 3rem; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .9rem; }
  h1 { font-size: 1.35rem; }
  .linear-nav { align-items: stretch; flex-direction: column; }
  .linear-nav .btn { text-align: center; }
}