/* Fallback tokens in case shell-tokens.css is loaded standalone */
:root {
  --of-primary: #002eac;
  --of-paper: #f6f7fa;
  --of-paper-soft: #e9eef9;
  --of-ink: #111a2d;
  --of-ink-soft: #536078;
  --of-rule: #8193bc;
  --of-good: #16803d;
  --of-warn: #8a4b00;
  --of-bad: #b62d35;
  --control-min-h: 2.75rem; /* 44px minimum touch target */
  --ui-control-height: 2.75rem;
  --ink: var(--of-ink);
  --muted: var(--of-ink-soft);
  --line: var(--of-rule);
  --accent: var(--of-primary);
  --accent-contrast: #ffffff;
  --accent-subtle: rgba(0, 46, 172, .1);
  --status-success: var(--of-good);
  --status-warning: var(--of-warn);
  --status-error: var(--of-bad);
  --surface-overlay: rgba(246, 247, 250, .96);
  --surface-card: #ffffff;
  --surface-inset: #eef2f9;
  --shell-bar-height: 2.75rem;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --font-sans: "Arial Rounded MT Bold", "Trebuchet MS", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --of-paper: #0c1017;
    --of-paper-soft: #161c28;
    --of-ink: #eef2f9;
    --of-ink-soft: #9aa8c2;
    --of-rule: #2a364f;
    --surface-overlay: rgba(12, 16, 23, .96);
    --surface-card: #131924;
    --surface-inset: #090d14;
    --accent: #7ca2ff;
    --accent-contrast: #101725;
    --accent-subtle: rgba(124, 162, 255, .15);
    --of-good: #6edc91;
    --of-warn: #ffc47a;
    --of-bad: #ff8c95;
  }
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background-color: var(--of-paper);
  color: var(--ink);
  line-height: 1.45;
  font-size: 0.95rem;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
  text-decoration: none;
  font-weight: 600;
  border-radius: 4px;
}
.skip-link:focus {
  top: 1rem;
}

/* Header & Navigation Bar */
.competence-topbar {
  background: var(--of-paper-soft);
  border-bottom: 1px solid var(--line);
  padding: 0.5rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--shell-bar-height);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: bold;
  margin: 0;
}

.topbar-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  min-height: var(--control-min-h);
  padding: 0 1rem;
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 4px;
}
.nav-link:hover, .nav-link:focus-visible {
  border-color: var(--line);
  background: var(--accent-subtle);
}

/* Page Layout Container */
.page-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 1.25rem;
}

/* Caveat / Honesty Banner */
.evidence-banner {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.25rem;
}
.evidence-banner p {
  margin: 0.25rem 0 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}
.evidence-banner strong {
  color: var(--ink);
}

/* Summary Statistics */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-mono);
}

.stat-value.warning {
  color: var(--status-warning);
}
.stat-value.error {
  color: var(--status-error);
}
.stat-value.success {
  color: var(--status-success);
}

/* Controls & Filters Panel */
.controls-panel {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.controls-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  align-items: end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

/* All interactive controls enforce 44px (2.75rem) minimum touch target */
select, input[type="search"], input[type="text"], button {
  min-height: var(--control-min-h);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background-color: var(--of-paper);
  color: var(--ink);
}

select:focus-visible, input:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  cursor: pointer;
  font-weight: 600;
}

button.primary-btn {
  background-color: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}
button.primary-btn:hover {
  filter: brightness(1.1);
}

button.secondary-btn {
  background-color: transparent;
  color: var(--ink);
  border-color: var(--line);
}
button.secondary-btn:hover {
  background-color: var(--accent-subtle);
}

/* View Mode Toggles */
.view-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.5rem;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 4px 4px 0 0;
  color: var(--muted);
}
.tab-btn[aria-selected="true"] {
  color: var(--ink);
  border-color: var(--line);
  background: var(--surface-card);
  border-bottom: 2px solid var(--accent);
}

/* Evaluations Table / Card Matrix */
.matrix-container {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow-x: auto;
}

table.competence-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.competence-table th, table.competence-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

table.competence-table th {
  background: var(--of-paper-soft);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 700;
}

table.competence-table tr:hover {
  background-color: var(--accent-subtle);
}

/* Non-Color Visual Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 3px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid;
  line-height: 1.2;
}

.badge-high {
  background: rgba(22, 128, 61, 0.12);
  color: var(--of-good);
  border-color: var(--of-good);
}

.badge-contradiction {
  background: rgba(182, 45, 53, 0.15);
  color: var(--status-error);
  border-color: var(--status-error);
}

.badge-failed {
  background: rgba(182, 45, 53, 0.12);
  color: var(--status-error);
  border-color: var(--status-error);
}

.badge-anecdote {
  background: rgba(83, 96, 120, 0.12);
  color: var(--muted);
  border-color: var(--line);
}

.badge-stale {
  background: rgba(255, 157, 47, 0.12);
  color: var(--status-warning);
  border-color: var(--status-warning);
}

.badge-unverified {
  background: rgba(83, 96, 120, 0.12);
  color: var(--muted);
  border-color: var(--line);
}

.badge-moderate {
  background: rgba(0, 46, 172, 0.1);
  color: var(--accent);
  border-color: var(--accent);
}

.model-identity {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.model-name {
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.harness-tag {
  font-size: 0.75rem;
  color: var(--muted);
}

.unknown-tag {
  font-weight: 800;
  color: var(--status-warning);
}

.inventory-caption {
  margin: 0;
  padding: 0.85rem 1rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.inventory-caption strong {
  color: var(--ink);
}

.identity-note {
  font-size: 0.75rem;
  color: var(--muted);
}

.inventory-freshness {
  margin: 0;
  padding: 0.25rem 1rem 0.85rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.inventory-freshness.stale-tag,
.identity-note.stale-tag {
  color: var(--status-warning);
  font-weight: 700;
}

.mono-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Drill-Down Provenance Drawer */
.provenance-drawer {
  position: fixed;
  top: 0;
  right: -550px;
  width: min(550px, 100vw);
  height: 100vh;
  background: var(--surface-card);
  border-left: 2px solid var(--line);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
  z-index: 2000;
  transition: right 0.25s ease-in-out;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.provenance-drawer.open {
  right: 0;
}

.drawer-scrim {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease-in-out;
}
.drawer-scrim.open {
  opacity: 1;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.drawer-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: var(--of-paper-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--control-min-h);
}

.drawer-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.drawer-body {
  padding: 1.25rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.provenance-section {
  background: var(--surface-inset);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.85rem 1rem;
}

.provenance-section h4 {
  margin: 0 0 0.5rem 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.provenance-kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.4rem;
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
}

.provenance-kv dt {
  color: var(--muted);
  font-weight: 600;
}

.provenance-kv dd {
  margin: 0;
  font-family: var(--font-mono);
  word-break: break-all;
}

/* Empty State */
.empty-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--muted);
}

/* Responsive Rules */
@media (max-width: 820px) {
  .topbar-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
  }
  .controls-form {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .page-container {
    padding: 0.75rem;
  }
  .controls-form {
    grid-template-columns: 1fr;
  }
  .view-tabs {
    flex-direction: column;
  }
  .tab-btn {
    width: 100%;
    border-radius: 4px;
    border: 1px solid var(--line);
  }
  .provenance-kv {
    grid-template-columns: 1fr;
  }
}