@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg:           #FAFAFA;
  --surface:      #FFFFFF;
  --surface-2:    #F4F4F5;
  --ink:          #0A0A0A;
  --ink-2:        #525252;
  --ink-3:        #A3A3A3;
  --ink-4:        #D4D4D4;
  --border:       rgba(10, 10, 10, 0.08);
  --border-2:     rgba(10, 10, 10, 0.14);

  --accent:       #4F46E5;
  --accent-soft:  rgba(79, 70, 229, 0.08);

  --gauge-bad:    #FF3D33;
  --gauge-warn:   #FFAE34;
  --gauge-good:   #0CCE6B;
  --gauge-empty:  rgba(10, 10, 10, 0.2);

  --gradient-1:   rgba(79, 70, 229, 0.08);
  --gradient-2:   rgba(79, 70, 229, 0.05);

  --font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', 'Menlo', monospace;

  --radius:       12px;
  --radius-sm:    8px;

  --shadow-sm:    0 1px 2px rgba(10, 10, 10, 0.04), 0 0 0 1px rgba(10, 10, 10, 0.04);
  --shadow:       0 4px 16px rgba(10, 10, 10, 0.06), 0 0 0 1px rgba(10, 10, 10, 0.06);
}

[data-theme="dark"] {
  --bg:           #0B0D12;
  --surface:      #14171D;
  --surface-2:    #1A1E26;
  --ink:          #F4F5F7;
  --ink-2:        #B8BCC4;
  --ink-3:        #6E7480;
  --ink-4:        #3A3F49;
  --border:       rgba(255, 255, 255, 0.08);
  --border-2:     rgba(255, 255, 255, 0.16);
  --accent:       #818CF8;
  --accent-soft:  rgba(129, 140, 248, 0.14);
  --gauge-empty:  rgba(255, 255, 255, 0.12);
  --gradient-1:   rgba(129, 140, 248, 0.10);
  --gradient-2:   rgba(129, 140, 248, 0.06);
  --shadow-sm:    0 1px 2px rgba(0, 0, 0, 0.30), 0 0 0 1px rgba(255, 255, 255, 0.04);
  --shadow:       0 4px 16px rgba(0, 0, 0, 0.30), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-image:
    radial-gradient(circle at 20% 0%, var(--gradient-1), transparent 45%),
    radial-gradient(circle at 80% 100%, var(--gradient-2), transparent 55%);
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--accent-soft); color: var(--ink); }
code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 4px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 24px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.brand-home {
  font-family: var(--font);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}
.brand-home:hover { color: var(--accent); }
.brand-lab,
.brand-sep,
.brand-page {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-3);
}
.brand-lab { transition: color 0.15s ease; }
.brand-lab:hover { color: var(--ink); }
.brand-page { color: var(--ink); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-left: auto;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  padding: 0;
  transition: border-color .15s ease, color .15s ease, transform .15s ease;
}
.theme-toggle:hover { border-color: var(--border-2); color: var(--ink); transform: scale(1.04); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.page-head {
  padding: 8px 0 24px;
}

.page-head h1 {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: 36px;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.page-head .lede {
  margin: 0;
  max-width: 640px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-2);
}

.section-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* =====================================================================
 * summary band (big avg gauge + 3 stat rows)
 * ===================================================================== */
.summary {
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  gap: 16px;
  margin-bottom: 36px;
}

.summary-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 22px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.summary-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.summary-gauge {
  position: relative;
  width: 140px;
  height: 140px;
  display: grid;
  place-items: center;
  --gauge-color: var(--gauge-empty);
}
.summary-gauge svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.summary-gauge .gauge-track { stroke: var(--gauge-empty); }
.summary-gauge .gauge-ring  {
  stroke: var(--gauge-color);
  transition: stroke-dashoffset 0.9s cubic-bezier(0.2, 0.9, 0.2, 1) 0.1s, stroke 0.2s ease;
}
.summary-gauge .summary-value {
  font-family: var(--font);
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--gauge-color);
  line-height: 1;
}
.summary-gauge[data-status="bad"]  { --gauge-color: var(--gauge-bad); }
.summary-gauge[data-status="warn"] { --gauge-color: var(--gauge-warn); }
.summary-gauge[data-status="good"] { --gauge-color: var(--gauge-good); }

.summary-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

.summary-stack {
  display: grid;
  grid-template-rows: 1fr 1fr 1fr;
  gap: 10px;
}

.summary-row {
  display: grid;
  grid-template-columns: 110px 70px 1fr;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.summary-row-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.summary-row-value {
  font-family: var(--font);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.summary-row-name {
  font-family: var(--font);
  font-size: 13px;
  color: var(--ink-2);
}

/* =====================================================================
 * bar chart
 * ===================================================================== */
.bars {
  margin-bottom: 36px;
  padding: 22px 22px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.bars-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.bar-name {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
}

.bar-track {
  position: relative;
  height: 10px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 4px;
}
.bar-fill {
  position: absolute;
  inset: 0;
  width: 0;
  border-radius: 999px;
  transition: width 1s cubic-bezier(0.2, 0.9, 0.2, 1);
}
.bar-fill[data-status="bad"]  { background: linear-gradient(90deg, #FF3D33 0%, #FF6E5C 100%); }
.bar-fill[data-status="warn"] { background: linear-gradient(90deg, #FFAE34 0%, #FFC773 100%); }
.bar-fill[data-status="good"] { background: linear-gradient(90deg, #0CCE6B 0%, #5FE19B 100%); }

.bar-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.bar-score {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  min-width: 48px;
  text-align: right;
}
.bar-row[data-status="bad"]  .bar-score { color: var(--gauge-bad);  }
.bar-row[data-status="warn"] .bar-score { color: var(--gauge-warn); }
.bar-row[data-status="good"] .bar-score { color: var(--gauge-good); }

/* =====================================================================
 * grid of layer cards
 * ===================================================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.perf-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  text-decoration: none;
}
a.perf-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--border-2);
}

.perf-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.perf-card-gauge {
  position: relative;
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  --gauge-color: var(--gauge-empty);
}
.perf-card-gauge svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.perf-card-gauge .gauge-track { stroke: var(--gauge-empty); }
.perf-card-gauge .gauge-ring  {
  stroke: var(--gauge-color);
  transition: stroke-dashoffset 0.9s cubic-bezier(0.2, 0.9, 0.2, 1), stroke 0.2s ease;
}
.perf-card-gauge .gauge-value {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--gauge-color);
  line-height: 1;
}
.perf-card-gauge[data-status="bad"]  { --gauge-color: var(--gauge-bad); }
.perf-card-gauge[data-status="warn"] { --gauge-color: var(--gauge-warn); }
.perf-card-gauge[data-status="good"] { --gauge-color: var(--gauge-good); }

.perf-card-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.perf-card-name {
  font-family: var(--font);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: -0.015em;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.perf-card-slug {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

.perf-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.perf-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.perf-stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.perf-stat-value {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.empty {
  padding: 36px 0;
  font-family: var(--font);
  font-size: 14px;
  color: var(--ink-3);
  text-align: center;
}

.meta-line {
  margin: 32px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-align: center;
}

@media (max-width: 720px) {
  .topbar { padding: 0 16px; gap: 8px; }
  .brand-page { display: none; }
  .summary { grid-template-columns: 1fr; }
  .summary-row { grid-template-columns: 1fr 70px; }
  .summary-row-name { display: none; }
  .page-head h1 { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .summary-gauge .gauge-ring,
  .perf-card-gauge .gauge-ring,
  .bar-fill,
  a.perf-card:hover {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}