:root {
  --bg: #0d1016;
  --panel: rgba(18, 22, 30, 0.72);
  --panel-edge: rgba(255, 255, 255, 0.08);
  --text: #e6e9ef;
  --muted: #8b93a3;
  --accent: #ff9f2e;
  --accent2: #7fb2ff;
  --good: #5fd39a;
  --warn: #ffcc4d;
  --bad: #ff6b6b;
  --radius: 14px;
  font-family: ui-sans-serif, -apple-system, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); }
canvas#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
canvas#view:active { cursor: grabbing; }

.brand { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; align-items: center;
  pointer-events: none; z-index: 3; }
.logo { font-weight: 700; letter-spacing: 0.02em; font-size: 17px; text-shadow: 0 2px 12px rgba(0,0,0,0.6); }
.logo span { color: var(--accent); font-weight: 600; }
.badges { display: flex; gap: 6px; }
.badge { font-size: 11px; padding: 3px 8px; border-radius: 999px; background: rgba(255,255,255,0.08); border: 1px solid var(--panel-edge);
  color: var(--muted); white-space: nowrap; }
.badge.gpu { color: var(--good); border-color: rgba(95,211,154,0.35); }
.badge.fallback { color: var(--warn); border-color: rgba(255,204,77,0.35); }

.panel { position: fixed; top: 60px; bottom: 76px; width: 300px; z-index: 2; background: var(--panel);
  backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
  border: 1px solid var(--panel-edge); border-radius: var(--radius); box-shadow: 0 12px 40px rgba(0,0,0,0.35);
  display: flex; flex-direction: column; }
.panel.left { left: 16px; }
.panel.right { right: 16px; width: 330px; }
.panel-body { overflow-y: auto; padding: 6px 16px 16px; scrollbar-width: thin; }
.collapse { display: none; }
section { padding: 12px 0; border-bottom: 1px solid var(--panel-edge); }
section:last-child { border-bottom: 0; }
h2 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); margin: 0 0 10px; font-weight: 600; }
h2 small { text-transform: none; letter-spacing: 0; font-weight: 400; opacity: 0.8; margin-left: 4px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button, .exports button, .toolbar button, select {
  font: inherit; font-size: 12px; color: var(--text); background: rgba(255,255,255,0.06); border: 1px solid var(--panel-edge);
  border-radius: 999px; padding: 6px 11px; cursor: pointer; transition: background .15s, border-color .15s, color .15s; }
.chips button:hover, .exports button:hover, .toolbar button:hover { background: rgba(255,255,255,0.12); }
.chips button.on { background: rgba(255,159,46,0.18); border-color: rgba(255,159,46,0.55); color: #ffd3a1; }
select { border-radius: 8px; padding: 5px 8px; }

.row { display: flex; justify-content: space-between; align-items: baseline; font-size: 12.5px; margin-top: 8px; }
.row label { color: #c9ceda; }
output { font-variant-numeric: tabular-nums; color: var(--accent); font-size: 12px; }
input[type=range] { width: 100%; margin: 6px 0 2px; accent-color: var(--accent); height: 18px; }
.note { font-size: 11.5px; color: var(--muted); line-height: 1.5; margin: 12px 0 0; }

table { width: 100%; border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; }
th { text-align: right; color: var(--muted); font-weight: 500; font-size: 10.5px; padding: 0 0 6px; }
th:first-child, td:first-child { text-align: left; }
td { text-align: right; padding: 3.5px 0; border-top: 1px solid rgba(255,255,255,0.04); }
td.d { font-weight: 600; }
td.good { color: var(--good); } td.warn { color: var(--warn); } td.bad { color: var(--bad); }
td small { color: var(--muted); font-size: 10px; margin-left: 3px; }
tr.user td:first-child::before { content: "●"; color: var(--accent); font-size: 8px; margin-right: 5px; vertical-align: 2px; }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 0; font-size: 12.5px; font-variant-numeric: tabular-nums; }
.kv dt { color: #c9ceda; } .kv dd { margin: 0; text-align: right; }
.exports { display: flex; flex-wrap: wrap; gap: 6px; }
.exports a.sample { font-size: 11.5px; color: var(--accent2); margin-top: 4px; }

.toolbar { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; gap: 6px; align-items: center;
  padding: 6px; background: var(--panel); border: 1px solid var(--panel-edge); border-radius: 999px;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
.seg { display: flex; background: rgba(0,0,0,0.25); border-radius: 999px; padding: 2px; }
.seg button { border: 0; background: transparent; }
.seg button.on, .toolbar .tog.on { background: rgba(127,178,255,0.2); color: #cfe0ff; border-color: rgba(127,178,255,0.45); }
.toolbar .tog[disabled] { opacity: 0.4; cursor: default; }

.status { position: fixed; top: 52px; left: 50%; transform: translateX(-50%); z-index: 3; font-size: 12px; color: #cfd5e1;
  padding: 6px 12px; border-radius: 999px; background: rgba(10,12,18,0.75); border: 1px solid var(--panel-edge);
  display: flex; gap: 8px; align-items: center; transition: opacity .3s; white-space: nowrap; max-width: calc(100vw - 32px); overflow: hidden; text-overflow: ellipsis; }
.status.idle { opacity: 0; pointer-events: none; }
.status.error { color: var(--bad); }
.spinner { width: 12px; height: 12px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.2); border-top-color: var(--accent);
  animation: spin 0.8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }

#labels { position: fixed; inset: 0; pointer-events: none; z-index: 1; }
.tag { position: absolute; transform: translate(10px, -50%); font-size: 11.5px; font-variant-numeric: tabular-nums; white-space: nowrap;
  padding: 2px 7px; border-radius: 6px; background: rgba(12,14,20,0.72); border: 1px solid rgba(255,159,46,0.45); color: #ffd3a1; }
.tag.ruler { border-color: rgba(127,178,255,0.5); color: #cfe0ff; transform: translate(-50%, -140%); }

@media (max-width: 860px) {
  .brand { top: 10px; } .logo { font-size: 15px; } .badges { display: none; }
  .status { top: 40px; }
  .panel { top: auto; bottom: 70px; left: 16px !important; right: 16px !important; width: auto !important; max-height: 46vh;
    transition: transform .25s ease; }
  .panel.collapsed { transform: translateY(calc(100% - 40px)); }
  .panel.left.collapsed { right: calc(50% + 4px) !important; }
  .panel.right.collapsed { left: calc(50% + 4px) !important; }
  .panel.hidden { display: none; }
  .collapse { display: block; font: inherit; font-size: 12px; font-weight: 600; color: var(--text); background: transparent; border: 0;
    padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--panel-edge); cursor: pointer; }
  .toolbar { bottom: 14px; max-width: calc(100vw - 32px); overflow-x: auto; }
  .toolbar button { padding: 6px 9px; }
}