:root {
  color-scheme: dark;
  --bg: #090b11;
  --panel: #11141d;
  --panel-2: #171b26;
  --panel-3: #1d2230;
  --border: #2a3040;
  --border-strong: #3a4357;
  --text: #e8ebf2;
  --muted: #99a2b3;
  --purple: #a78bfa;
  --purple-dark: #6d4ac7;
  --blue: #60a5fa;
  --green: #34d399;
  --amber: #fbbf24;
  --rose: #fb7185;
  --red: #f87171;
  --sidebar: 320px;
}

* { box-sizing: border-box; }

html, body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, select { font: inherit; }
button, select { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 24px 20px;
  border-right: 1px solid var(--border);
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, .16), transparent 34%),
    #0d1017;
}

.brand { margin-bottom: 20px; }
.brand h1 { margin: 5px 0 7px; font-size: 23px; line-height: 1.2; }
.brand p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.eyebrow {
  color: var(--purple);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.main-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
  margin-bottom: 16px;
}

.main-tabs button,
.subtabs button,
.nav-row button {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--muted);
  padding: 8px 10px;
}

.main-tabs button:last-child { grid-column: 1 / -1; }
.main-tabs button:hover,
.subtabs button:hover,
.nav-row button:hover { border-color: var(--border-strong); color: var(--text); }
.main-tabs button.active {
  border-color: var(--purple-dark);
  background: rgba(124, 58, 237, .17);
  color: #ddd6fe;
}

.scope-card {
  margin-bottom: 18px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(17, 20, 29, .8);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.scope-card b { color: var(--text); }
.scope-card code { color: #c4b5fd; overflow-wrap: anywhere; }

.controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.controls[hidden], .view[hidden] { display: none !important; }

.controls label {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.controls label > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
}

input, select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  background: #0b0e14;
  color: var(--text);
  padding: 8px 9px;
  font-size: 12px;
}

input:focus, select:focus { border-color: var(--purple-dark); }
select { text-overflow: ellipsis; }

.filter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.nav-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 7px;
}

.nav-row span {
  min-width: 62px;
  color: var(--muted);
  text-align: center;
  font-size: 11px;
}

.subtabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.subtabs button.active {
  border-color: #2563eb;
  background: rgba(37, 99, 235, .16);
  color: #bfdbfe;
}

#sidebarFooter {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 10px;
  line-height: 1.55;
}

.main {
  min-width: 0;
  padding: 30px clamp(20px, 4vw, 64px) 60px;
}

.view { width: min(1180px, 100%); margin: 0 auto; }
.loading, .empty-state {
  padding: 44px 20px;
  color: var(--muted);
  text-align: center;
}

.card {
  margin-bottom: 14px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--panel);
  overflow: hidden;
}

.card-body { padding: 20px 22px; }
.card h2, .card h3 { margin: 0; line-height: 1.45; }
.card h2 { font-size: 21px; }
.card h3 { font-size: 15px; }

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 13px;
}

.section-heading h2, .section-heading h3 { margin: 3px 0 0; }
.count-pill, .pill, .badge, .status {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 3px 8px;
  background: var(--panel-3);
  color: var(--muted);
  font-size: 10px;
  line-height: 1.3;
}

.badges, .pills, .metric-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.badges { margin-bottom: 12px; }
.badge.qid { color: #c4b5fd; border-color: #5b4890; }
.badge.diff { color: #fde68a; border-color: #66521d; }
.badge.type { color: #bfdbfe; border-color: #294d78; }

.gold-block {
  margin: 13px 0;
  padding: 10px 11px;
  border: 1px solid #624d16;
  border-radius: 9px;
  background: rgba(120, 82, 11, .14);
}

.gold-label {
  margin-bottom: 7px;
  color: var(--amber);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.gold-items { display: flex; flex-wrap: wrap; gap: 6px; }
.gold-item {
  border: 1px solid #70591c;
  border-radius: 999px;
  padding: 3px 9px;
  background: #211b0d;
  color: #fde68a;
  font-size: 11px;
}

a.gold-item { cursor: pointer; text-decoration: none; }
a.gold-item:hover { border-color: var(--amber); color: #fff3bd; }

.field {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.field-label {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.field-value { color: var(--text); font-size: 13px; line-height: 1.6; }
.muted { color: var(--muted); }

pre {
  max-width: 100%;
  margin: 0;
  border: 1px solid #252b38;
  border-radius: 8px;
  background: #0b0e14;
  color: #d8dee9;
  padding: 11px 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  overflow: auto;
  font: 11px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.document-card { border-top: 3px solid var(--purple-dark); }
.document-content { padding: 10px 24px 26px; line-height: 1.65; }
.document-content h1, .document-content h2, .document-content h3 {
  margin-top: 1.35em;
  color: #ddd6fe;
}
.document-content a { color: #93c5fd; }
.document-content table { display: block; max-width: 100%; overflow: auto; border-collapse: collapse; }
.document-content th, .document-content td { border: 1px solid var(--border); padding: 6px 8px; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  margin-bottom: 14px;
}

.metric {
  min-width: 0;
  padding: 12px 13px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
}

.metric-label {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.metric-value { margin-top: 4px; font-size: 19px; font-weight: 750; }
.metric-note { margin-top: 3px; color: var(--muted); font-size: 10px; }

.status.correct { color: #a7f3d0; border-color: #247657; background: rgba(16, 185, 129, .1); }
.status.partial { color: #fde68a; border-color: #755b16; background: rgba(245, 158, 11, .1); }
.status.incorrect { color: #fecaca; border-color: #7f3030; background: rgba(239, 68, 68, .1); }
.status.missing { color: #cbd5e1; border-color: #4b5563; }

.prediction {
  border-left: 3px solid var(--run-accent, var(--purple));
  background: rgba(13, 16, 24, .95);
}

.ops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 9px;
  margin-top: 12px;
}

.ops-item {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
}

.ops-item b {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.ops-item code { color: #c4b5fd; font-size: 11px; overflow-wrap: anywhere; }

.structure-summary {
  margin-bottom: 14px;
  border-top: 3px solid var(--rose);
}

.structure-doc {
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel);
  overflow: hidden;
}

.structure-doc > summary,
.structure-shape > summary,
.source-text > summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.structure-doc > summary { padding: 13px 15px; color: #fda4af; font-weight: 700; }
.structure-doc > summary span:last-child { color: var(--muted); font-size: 10px; }
.structure-body { padding: 0 15px 14px; }
.source-ids { margin: 0 0 10px; color: var(--muted); font-size: 11px; line-height: 1.7; }
.source-ids code { color: var(--text); }

.structure-shape, .source-text {
  margin: 9px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  overflow: hidden;
}

.structure-shape > summary, .source-text > summary { padding: 9px 11px; }
.structure-shape > summary b { color: #fda4af; font-size: 11px; }
.structure-shape > summary code { color: var(--muted); font-size: 10px; }
.shape-description { padding: 0 11px 9px; color: var(--muted); font-size: 11px; }
.structure-shape pre, .source-text pre { max-height: 560px; border: 0; border-radius: 0; }

.trajectory { margin-top: 14px; }
.trajectory-steps { display: flex; flex-direction: column; gap: 9px; }
.trajectory-step {
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel);
  padding: 10px;
}

.trajectory-step header {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 7px;
}

.step-number, .step-kind {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.trajectory-step header code {
  border: 1px solid #4c3b75;
  border-radius: 5px;
  padding: 2px 7px;
  color: #c4b5fd;
  background: #211d2d;
  font-size: 10px;
}

.tool-bash header code { color: #a7f3d0; border-color: #25674f; }
.tool-python header code { color: #c7d2fe; border-color: #434cb3; }
.step-label {
  margin: 7px 0 4px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.model-message {
  border-left: 2px solid #516078;
  border-radius: 5px;
  background: var(--panel-2);
  padding: 9px 10px;
  white-space: pre-wrap;
  line-height: 1.55;
  font-size: 12px;
}

.tool-output.collapsed pre {
  max-height: 10em;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, #000 65%, transparent);
}

.output-toggle {
  margin-top: 6px;
  border: 1px solid #365276;
  border-radius: 6px;
  background: #172338;
  color: #93c5fd;
  padding: 4px 9px;
  font-size: 10px;
}

.compare-scores {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 9px;
  margin-bottom: 14px;
}

.compare-score {
  border: 1px solid var(--border);
  border-top: 3px solid var(--run-accent, var(--purple));
  border-radius: 10px;
  background: var(--panel);
  padding: 11px 12px;
}

.compare-score h3 { margin: 0 0 5px; font-size: 12px; }
.compare-score strong { font-size: 18px; }
.compare-score span { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }
.compare-run { border-left: 3px solid var(--run-accent, var(--purple)); }

@media (max-width: 860px) {
  .app-shell { display: block; }
  .sidebar { position: static; width: 100%; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .main { padding: 24px 16px 50px; }
  .main-tabs { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .main-tabs button:last-child { grid-column: auto; }
}

@media (max-width: 560px) {
  .main-tabs { grid-template-columns: repeat(2, 1fr); }
  .main-tabs button:last-child { grid-column: 1 / -1; }
  .section-heading { flex-direction: column; }
  .metric-grid, .compare-scores { grid-template-columns: 1fr; }
}