/* ==========================================================================
   agents-bench Public Results Dashboard Stylesheet
   System fonts, CSS variables, dark/light theme, responsive layout
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Colors - Light Theme */
  --bg-canvas: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;

  --badge-pass-bg: #dcfce7;
  --badge-pass-text: #166534;
  --badge-fail-bg: #fee2e2;
  --badge-fail-text: #991b1b;
  --badge-invalid-bg: #fef3c7;
  --badge-invalid-text: #92400e;
  --badge-neutral-bg: #e2e8f0;
  --badge-neutral-text: #334155;

  --chart-axis: #cbd5e1;
  --chart-grid: #e2e8f0;

  /* Preset chart colors */
  --color-gemini-low: #2563eb;
  --color-deepseek-flash-low: #06b6d4;
  --color-deepseek-flash-high: #0891b2;
  --color-deepseek-flash-max: #0e7490;
  --color-deepseek-pro-low: #8b5cf6;
  --color-deepseek-pro-high: #7c3aed;
  --color-deepseek-pro-max: #6d28d9;
  --color-default-bar: #64748b;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-canvas: #090d16;
    --bg-card: #131b2e;
    --bg-subtle: #1e293b;
    --border-color: #334155;
    --border-focus: #60a5fa;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;

    --badge-pass-bg: #14532d;
    --badge-pass-text: #bbf7d0;
    --badge-fail-bg: #7f1d1d;
    --badge-fail-text: #fecaca;
    --badge-invalid-bg: #78350f;
    --badge-invalid-text: #fde68a;
    --badge-neutral-bg: #334155;
    --badge-neutral-text: #cbd5e1;

    --chart-axis: #475569;
    --chart-grid: #334155;

    --color-gemini-low: #3b82f6;
    --color-deepseek-flash-low: #22d3ee;
    --color-deepseek-flash-high: #06b6d4;
    --color-deepseek-flash-max: #0891b2;
    --color-deepseek-pro-low: #a78bfa;
    --color-deepseek-pro-high: #8b5cf6;
    --color-deepseek-pro-max: #7c3aed;
    --color-default-bar: #94a3b8;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  }
}

/* Base resets & box-sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding: 1.5rem 1rem 4rem;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.site-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-title {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-main);
}

.site-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.header-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-link {
  color: var(--border-focus);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.nav-link:hover, .nav-link:focus-visible {
  text-decoration: underline;
}

/* Cards & Sections */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.section-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* Methodology Callout */
.notice-box {
  background-color: var(--bg-subtle);
  border-left: 4px solid var(--border-focus);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.notice-box strong {
  color: var(--text-main);
}

/* Metric KPI grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.kpi-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.25rem;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Charts Section */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.chart-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.chart-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.chart-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.chart-svg-wrap {
  width: 100%;
  overflow-x: auto;
}

.chart-svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Matrix Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

th, td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: none;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  line-height: 1.2;
}

.badge-pass {
  background-color: var(--badge-pass-bg);
  color: var(--badge-pass-text);
}

.badge-fail {
  background-color: var(--badge-fail-bg);
  color: var(--badge-fail-text);
}

.badge-invalid {
  background-color: var(--badge-invalid-bg);
  color: var(--badge-invalid-text);
}

.badge-neutral {
  background-color: var(--badge-neutral-bg);
  color: var(--badge-neutral-text);
}

/* Filter Controls */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  align-items: center;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.filter-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.filter-select {
  font-family: inherit;
  font-size: 0.875rem;
  padding: 0.35rem 0.75rem;
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
}

.filter-select:focus-visible {
  border-color: var(--border-focus);
}

.btn-reset {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-self: flex-end;
}

.btn-reset:hover, .btn-reset:focus-visible {
  border-color: var(--border-focus);
}

/* Run Details Expandable */
.run-table {
  font-family: var(--font-sans);
}

.run-table code, .mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.check-item {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.25rem 0;
  border-bottom: 1px dashed var(--border-color);
}

.check-item:last-child {
  border-bottom: none;
}

.check-name {
  font-size: 0.8125rem;
  font-weight: 500;
}

.check-error-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  background-color: var(--badge-fail-bg);
  color: var(--badge-fail-text);
}

/* Provenance / Methodology list */
.provenance-dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0.75rem 1.5rem;
  font-size: 0.875rem;
}

@media (max-width: 640px) {
  .provenance-dl {
    grid-template-columns: 1fr;
  }
}

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

.provenance-dd {
  color: var(--text-main);
  word-break: break-all;
}

.warning-item {
  color: var(--badge-invalid-text);
  background-color: var(--badge-invalid-bg);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
  font-size: 0.8125rem;
}

/* Error state display */
.error-card {
  border-left: 4px solid var(--badge-fail-text);
  background-color: var(--badge-fail-bg);
  color: var(--badge-fail-text);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-top: 2rem;
}

.error-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* Accessibility focus rings */
a:focus-visible, button:focus-visible, select:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}