/* Queen Anne architectural inspector — compact dark chrome on warm studio */
:root {
  --ink: #ece7db;
  --ink-dim: #9a948a;
  --ink-faint: #6e685f;
  --chrome: rgba(18, 17, 15, 0.82);
  --chrome-solid: #171613;
  --line: rgba(236, 231, 219, 0.09);
  --line-strong: rgba(236, 231, 219, 0.16);
  --accent: #c9a86a;
  --accent-dim: #8f7a52;
  --mono: "SF Mono", "Cascadia Code", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Inter", "Helvetica Neue", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: #d8cbb4;
  font-family: var(--sans);
  color: var(--ink);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

#app { position: fixed; inset: 0; }
#gl {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block; outline: none; touch-action: none;
}
#gl:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }

/* ---------- top bar ---------- */
#topbar {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 14px;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(14,13,11,0.88), rgba(14,13,11,0.55) 78%, transparent);
  z-index: 5; pointer-events: none;
}
#topbar > * { pointer-events: auto; }

.brand {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 11px; letter-spacing: 0.18em; font-weight: 600;
  white-space: nowrap; user-select: none;
}
.brand-mark {
  font-family: var(--mono); font-size: 10px;
  color: #14130f; background: var(--accent);
  padding: 2px 5px; border-radius: 2px; letter-spacing: 0.08em;
}
.brand em {
  font-style: normal; color: var(--ink-dim);
  font-size: 9px; letter-spacing: 0.24em; font-weight: 500;
  margin-left: 2px;
}

.presets {
  display: flex; margin-left: auto;
  border: 1px solid var(--line-strong); border-radius: 4px;
  overflow: hidden; background: rgba(14,13,11,0.5);
}
.presets button, .top-actions button, .seg button {
  appearance: none; border: 0; background: transparent;
  color: var(--ink-dim); font-family: var(--sans);
  font-size: 9.5px; letter-spacing: 0.18em; font-weight: 600;
  text-transform: uppercase;
  padding: 7px 12px; cursor: pointer;
  border-right: 1px solid var(--line);
  transition: background 0.15s, color 0.15s;
  min-height: 30px;
}
.presets button:last-child { border-right: 0; }
.presets button:hover, .top-actions button:hover, .seg button:hover { color: var(--ink); background: rgba(236,231,219,0.06); }
.presets button:focus-visible, .top-actions button:focus-visible, .seg button:focus-visible {
  outline: none; box-shadow: inset 0 0 0 1px var(--accent); color: var(--ink);
}
.presets button.on { color: #14130f; background: var(--accent); }
.presets button.on:hover { background: #d5b678; }

.top-actions { display: flex; gap: 8px; }
.top-actions button {
  border: 1px solid var(--line-strong); border-radius: 4px;
  background: rgba(14,13,11,0.5);
}
#btn-panel[aria-expanded="false"] { color: var(--accent); border-color: var(--accent-dim); }

/* ---------- inspector panel ---------- */
#panel {
  position: absolute; top: 58px; left: 14px; bottom: 14px;
  width: 236px;
  background: var(--chrome);
  border: 1px solid var(--line);
  border-radius: 6px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow-y: auto; overflow-x: hidden;
  z-index: 4;
  transition: transform 0.34s cubic-bezier(0.3, 0.9, 0.3, 1), opacity 0.28s;
  scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent;
}
#panel.closed {
  transform: translateX(-118%);
  opacity: 0; pointer-events: none;
}
.grp { padding: 13px 14px 12px; border-bottom: 1px solid var(--line); }
.grp h2 {
  margin: 0 0 10px; font-size: 9px; font-weight: 700;
  letter-spacing: 0.26em; color: var(--ink-faint); text-transform: uppercase;
}

/* stats */
.stats { margin: 0; display: grid; gap: 7px; }
.stat { display: flex; justify-content: space-between; align-items: baseline; }
.stat dt {
  font-size: 9px; letter-spacing: 0.18em; color: var(--ink-dim);
  text-transform: uppercase; font-weight: 500;
}
.stat dd {
  margin: 0; font-family: var(--mono); font-size: 11px;
  color: var(--ink); font-variant-numeric: tabular-nums;
}
.stat dd em { font-style: normal; color: var(--ink-faint); font-size: 9px; }

/* toggles */
.tgl-grid { display: grid; gap: 2px; }
.tgl {
  display: flex; align-items: center; gap: 9px;
  padding: 5px 4px; border-radius: 3px; cursor: pointer;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-dim); font-weight: 500;
  min-height: 30px;
  transition: background 0.12s, color 0.12s;
}
.tgl:hover { background: rgba(236,231,219,0.05); color: var(--ink); }
.tgl input {
  position: absolute; opacity: 0; width: 0; height: 0;
}
.tgl i {
  flex: none; width: 26px; height: 14px; border-radius: 8px;
  background: #3a3833; position: relative;
  transition: background 0.16s;
  border: 1px solid var(--line-strong);
}
.tgl i::after {
  content: ""; position: absolute; top: 1.5px; left: 2px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--ink-dim);
  transition: transform 0.16s, background 0.16s;
}
.tgl input:checked + i { background: var(--accent-dim); border-color: var(--accent); }
.tgl input:checked + i::after { transform: translateX(11px); background: #f4ead2; }
.tgl input:checked ~ span { color: var(--ink); }
.tgl input:focus-visible + i { box-shadow: 0 0 0 2px var(--accent); }
.tgl input:disabled + i { opacity: 0.4; }

/* segmented lighting */
.seg {
  display: flex; border: 1px solid var(--line-strong);
  border-radius: 4px; overflow: hidden; margin-bottom: 8px;
}
.seg button { flex: 1; border-right: 1px solid var(--line); }
.seg button:last-child { border-right: 0; }
.seg button.on { color: #14130f; background: var(--accent); }

.panel-foot { padding: 12px 14px; }
.hint {
  margin: 0 0 6px; font-size: 9.5px; letter-spacing: 0.12em;
  color: var(--ink-dim); text-transform: uppercase; font-weight: 500;
  line-height: 1.7;
}
.hint.dim { color: var(--ink-faint); text-transform: none; letter-spacing: 0.04em; font-size: 9px; }

/* ---------- loading veil ---------- */
#veil {
  position: absolute; inset: 0; z-index: 20;
  background: radial-gradient(120% 100% at 50% 38%, #26241f 0%, #14130f 68%);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.55s ease 0.1s;
}
#veil.done { opacity: 0; pointer-events: none; }
.veil-inner { text-align: center; }
.veil-kicker {
  font-size: 9px; letter-spacing: 0.34em; color: var(--ink-faint);
  text-transform: uppercase; margin-bottom: 10px;
}
.veil-title {
  font-size: 26px; letter-spacing: 0.22em; font-weight: 600;
  text-transform: uppercase; margin-bottom: 22px; color: var(--ink);
}
.veil-bar {
  width: 190px; height: 2px; margin: 0 auto 12px;
  background: rgba(236,231,219,0.12); border-radius: 1px; overflow: hidden;
}
.veil-bar i {
  display: block; height: 100%; width: 0%;
  background: var(--accent); transition: width 0.25s ease;
}
.veil-note {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.18em;
  color: var(--ink-dim); text-transform: uppercase;
}

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  #topbar { flex-wrap: wrap; gap: 8px; padding: 8px 10px; }
  .brand { font-size: 10px; }
  .brand em { display: none; }
  .presets { order: 3; width: 100%; overflow-x: auto; }
  .presets button { flex: 1 0 auto; padding: 8px 10px; }
  .top-actions { margin-left: auto; }
  .presets { margin-left: 0; }

  #panel {
    top: auto; left: 8px; right: 8px; bottom: 8px;
    width: auto; max-height: 44vh;
  }
  #panel.closed { transform: translateY(120%); }
  .tgl { min-height: 34px; }
  .top-actions button, .presets button, .seg button { min-height: 34px; }
}
@media (max-width: 420px) {
  .brand-name { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  #panel, #veil, .tgl i, .tgl i::after { transition: none; }
}