:root {
  --bg: #0e1117;
  --surface: #161b22;
  --surface-2: #1c2230;
  --border: #2e2e2a;
  --text: #e8e6df;
  --muted: #9c9a94;
  --accent: #378ADD;
  --accent-warm: #EF9F27;
  --pos: #0F6E56;
  --neg: #E24B4A;
  --tail: #BA7517;
  --viewer-app-h: 42px;
}

* { box-sizing: border-box; }

html.viewer-app-root,
html.viewer-app-root body {
  height: 100%;
  overflow: hidden;
}

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 14px;
}

body.viewer-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #11161e, #0e1117);
  flex-shrink: 0;
}
body.viewer-app .app-header {
  padding: 5px 12px;
  min-height: var(--viewer-app-h);
}
.brand { font-size: 18px; font-weight: 700; letter-spacing: 0.5px; }
body.viewer-app .brand { font-size: 15px; }
.brand-sub { color: var(--muted); font-weight: 400; font-size: 13px; margin-left: 6px; }
body.viewer-app .brand-sub { font-size: 11px; }

.tabs { display: flex; gap: 6px; }
.tab {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
}
body.viewer-app .tab { padding: 4px 10px; font-size: 12px; }
.tab.is-active { color: var(--text); border-color: var(--accent); background: var(--surface-2); }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 14px;
  padding: 14px;
  height: calc(100vh - 120px);
  max-width: 1920px;
  margin: 0 auto;
}
body.viewer-app .layout {
  flex: 1;
  min-height: 0;
  height: auto;
  max-width: none;
  margin: 0;
  padding: 8px;
  gap: 8px;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 1fr);
}
.col { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; overflow: hidden; display: flex; flex-direction: column; min-height: 0; }
body.viewer-app .col { padding: 8px; border-radius: 6px; }
.col-dash { overflow-y: auto; min-height: 0; }

.browser { background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 10px; margin-bottom: 10px; flex-shrink: 0; }
body.viewer-app .browser { padding: 6px 8px; margin-bottom: 6px; }
.browser.hidden { display: none; }
.browser-row { display: flex; align-items: center; gap: 8px; margin: 6px 0; }
body.viewer-app .browser-row { margin: 3px 0; gap: 6px; }
.browser-row label { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.browser select, .browser input[type="range"] { flex: 1; }
select, .btn {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 5px; padding: 5px 10px; cursor: pointer;
}
body.viewer-app select,
body.viewer-app .btn { padding: 3px 8px; font-size: 12px; }
.btn:hover { border-color: var(--accent); }
.state-label { color: var(--text); font-variant-numeric: tabular-nums; font-size: 13px; }
body.viewer-app .state-label { font-size: 11px; }
.muted { color: var(--muted); font-size: 12px; }

.mode-bar { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; flex-shrink: 0; }
body.viewer-app .mode-bar { margin-bottom: 4px; gap: 3px; }

.player-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 8px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  flex-shrink: 0;
}
body.viewer-app .player-bar {
  margin-bottom: 6px;
  padding: 6px 8px;
  gap: 6px;
}
.player-bar .player-slider {
  flex: 1;
  min-width: 100px;
}
.player-bar .player-fps {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}
body.viewer-app .player-bar .player-fps { font-size: 11px; }
.player-bar .player-label {
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  margin-left: auto;
}
body.viewer-app .player-bar .player-label { font-size: 11px; }
.player-bar .player-hint {
  font-size: 10px;
  width: 100%;
  flex-basis: 100%;
  margin: 0;
}
body.viewer-app .player-bar .player-hint {
  flex-basis: auto;
  width: auto;
  margin-left: 4px;
}
.player-bar .player-play.is-playing {
  border-color: var(--accent);
  color: var(--text);
}

.seam-qc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  padding: 6px 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  flex-shrink: 0;
}
.seam-qc.hidden { display: none; }
.seam-qc-metrics {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  flex: 1;
  min-width: 180px;
}
.seam-qc-metrics.is-violation { color: var(--neg); }
.seam-qc-sparkline {
  display: block;
  flex-shrink: 0;
  border-radius: 4px;
  background: #0e1117;
  border: 1px solid var(--border);
}

.mode-btn {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
  border-radius: 5px; padding: 4px 9px; cursor: pointer; font-size: 12px;
}
body.viewer-app .mode-btn { padding: 2px 7px; font-size: 11px; }
.mode-btn.is-active { color: var(--text); border-color: var(--accent); background: #21314a; }

.lattice-wrap { position: relative; flex: 1 1 0; min-height: 0; }
body.viewer-app .lattice-wrap { min-height: 120px; }
#lattice-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
#lattice-canvas canvas { display: block; border-radius: 6px; }
.mode-tip {
  position: absolute; left: 8px; bottom: 8px; right: 8px;
  background: rgba(14,17,23,0.78); border: 1px solid var(--border); border-radius: 5px;
  padding: 5px 8px; color: var(--muted); font-size: 11px; pointer-events: none;
}

/* Dashboard */
.dash-layout {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.dash-span-2 {
  grid-column: 1 / -1;
}
.dash-panel {
  margin-bottom: 0;
}
.dash-panel-title {
  margin: 0 0 4px;
  font-size: 11px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: none;
}
.dash-panel--compact {
  align-self: start;
}
.dash-panel--compact .dash-panel-body {
  padding-top: 0;
}
.dash-panel-body {
  min-width: 0;
}
.dash-plot-box {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
}
.dash-plot-box--short {
  aspect-ratio: 4 / 1;
}
.dash-plot-box--flat {
  aspect-ratio: 8 / 1;
}
.dash-compact-plot {
  position: relative;
  width: 100%;
  min-height: 108px;
  max-height: 108px;
  height: 108px;
}
.dash-compact-plot canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
}
.dash-plot-box canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.panel { background: var(--surface-2); border: 1px solid var(--border); border-radius: 7px; padding: 10px; margin-bottom: 10px; }
body.viewer-app .panel { padding: 6px 8px; margin-bottom: 6px; }
.panel h3 { margin: 0 0 8px; font-size: 12px; color: var(--text); font-weight: 600; letter-spacing: 0.3px; }
body.viewer-app .panel h3 { margin-bottom: 4px; font-size: 11px; }
.panel canvas { width: 100%; display: block; }

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  gap: 3px 16px;
  font-variant-numeric: tabular-nums;
}
.metrics-grid .k { color: var(--muted); font-size: 12px; }
.metrics-grid .v { font-weight: 600; text-align: right; font-size: 12px; }
body.viewer-app .metrics-grid .k,
body.viewer-app .metrics-grid .v { font-size: 11px; }

.energy-row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin: 4px 0; width: 100%; }
.energy-row .lab { color: var(--muted); font-size: 12px; min-width: 120px; flex-shrink: 0; }
body.viewer-app .energy-row .lab { font-size: 11px; min-width: 100px; }
.energy-row .val { font-weight: 700; font-variant-numeric: tabular-nums; margin-left: auto; text-align: right; }
.energy-row .badge { margin-left: auto; flex-shrink: 0; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge.validated { background: rgba(15,110,86,0.25); color: #5fd0ad; border: 1px solid var(--pos); }
.badge.tail { background: rgba(186,117,23,0.22); color: #e6b15e; border: 1px solid var(--tail); }
.disclosure { color: var(--tail); font-size: 11px; margin-top: 6px; line-height: 1.35; }

.soc-bar-bg { background: #2e2e2a; border-radius: 4px; height: 14px; overflow: hidden; margin: 6px 0; }
.soc-bar-bg--compact { height: 10px; margin: 0; flex: 1; min-width: 0; }
.soc-bar-fill { height: 100%; }
.soc-panel-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.soc-panel-title {
  font-size: 11px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.soc-head-bar { min-width: 0; display: flex; align-items: center; }
.soc-head-pct {
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  min-width: 2.5em;
  text-align: right;
}
.soc-line { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: 12px; color: var(--text); margin: 2px 0; }
body.viewer-app .soc-line { font-size: 11px; margin: 1px 0; }
.soc-line .muted { color: var(--muted); flex-shrink: 0; }
.soc-line--band { align-items: center; }
.soc-note { font-size: 10px; }
.band-badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 600;
  text-align: right;
}
.band-badge.band-ok { background: rgba(15,110,86,0.22); color: #5fd0ad; border: 1px solid rgba(15,110,86,0.45); }
.band-badge.band-warn { background: rgba(239,159,39,0.18); color: #e6b15e; border: 1px solid rgba(239,159,39,0.45); }
.band-badge.band-muted { background: rgba(107,114,128,0.15); color: #9ca3af; border: 1px solid rgba(107,114,128,0.35); }
.energy-band-label { cursor: help; border-bottom: 1px dotted var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
body.viewer-app .grid-2 { gap: 6px; }

body.is-deeplink .browser { display: none !important; }
body.viewer-app.is-deeplink .mode-bar { margin-bottom: 4px; }

@media (min-width: 1600px) {
  .layout { padding: 10px 20px; gap: 18px; }
  body.viewer-app .layout { padding: 8px; gap: 8px; }
}

@media (max-width: 900px), (max-height: 520px) {
  html.viewer-app-root,
  html.viewer-app-root body {
    height: auto;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
  }
  body.viewer-app {
    height: auto;
    min-height: 100dvh;
    overflow: visible;
  }
  body.viewer-app .layout {
    flex: none;
    height: auto;
    min-height: 0;
    grid-template-columns: 1fr;
    grid-template-rows: none;
    grid-auto-rows: auto;
    overflow: visible;
  }
  body.viewer-app .col,
  body.viewer-app .col-lattice,
  body.viewer-app .col-dash {
    overflow: visible;
    min-height: auto;
  }
  body.viewer-app .col-lattice {
    display: flex;
    flex-direction: column;
  }
  body.viewer-app .lattice-wrap {
    flex: none;
    width: 100%;
    aspect-ratio: 1 / 1;
    min-height: clamp(220px, 52vw, 420px);
    max-height: min(92vw, 480px);
  }
  body.viewer-app .dash-grid {
    grid-template-columns: 1fr;
  }
  body.viewer-app .metrics-grid {
    grid-template-columns: 1fr auto;
  }
  body.viewer-app .dash-plot-box {
    aspect-ratio: 1 / 1;
    max-width: 100%;
  }
  body.viewer-app .dash-plot-box--short {
    aspect-ratio: 4 / 1;
  }
  body.viewer-app .dash-plot-box--flat {
    aspect-ratio: 8 / 1;
  }
}

@media (max-width: 900px) and (orientation: landscape),
       (max-height: 520px) and (orientation: landscape) {
  body.viewer-app .lattice-wrap {
    aspect-ratio: unset;
    width: 100%;
    height: clamp(240px, 58vh, 420px);
    min-height: 240px;
    max-height: min(58vh, 420px);
  }
}