:root {
  --bg: #0b0e14;
  --surface: #11151c;
  --surface-2: #161b24;
  --border: #1f2733;
  --border-strong: #2a3444;
  --text: #dbe2ee;
  --text-muted: #7a8499;
  --text-faint: #525c70;
  --accent: #ef4444;
  --accent-2: #f97316;
  --ok: #22c55e;
  --warn: #eab308;
  --link: #7aa2ff;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

/* --- header --- */
header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.02em;
  font-weight: 600;
}
.brand .tagline {
  color: var(--text-muted);
  font-size: 13px;
}
.brand svg { width: 28px; height: 28px; }

.health-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}
.health-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-faint);
}
.health-pill.ok .dot { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.health-pill.warn .dot { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.health-pill.down .dot { background: var(--accent); box-shadow: 0 0 8px var(--accent); }

/* --- hero stats --- */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat-card .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.stat-card .value {
  font-size: 24px;
  font-weight: 600;
  margin-top: 4px;
  letter-spacing: -0.02em;
}
.stat-card .sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
@media (max-width: 720px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

/* --- tabs --- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
}
.tab {
  appearance: none;
  background: none;
  border: 0;
  color: var(--text-muted);
  padding: 10px 14px;
  font-size: 13px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

/* --- filters --- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.filters select,
.filters input {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  font-family: inherit;
}
.filters input[type="search"] { min-width: 180px; }
.filters button.reset {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
}
.filters button.reset:hover { color: var(--text); border-color: var(--accent); }

/* --- incident cards --- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.card .row1 {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}
.card .row1 .severity-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.severity-critical { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.severity-high { background: var(--accent-2); }
.severity-medium { background: var(--warn); }
.severity-low { background: var(--ok); }
.severity-none { background: var(--text-faint); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.02em;
  font-weight: 500;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  background: var(--surface-2);
}
.badge.agent-cursor { color: #c4b5fd; border-color: #5b4ea1; }
.badge.agent-copilot { color: #93c5fd; border-color: #3b5fa1; }
.badge.agent-claude-code { color: #fdba74; border-color: #a05b2a; }
.badge.agent-aider { color: #86efac; border-color: #2f7b4f; }
.badge.agent-codex { color: #5eead4; border-color: #2c7370; }
.badge.agent-replit-agent { color: #f9a8d4; border-color: #913a6c; }
.badge.agent-kiro { color: #fca5a5; border-color: #a13c3c; }
.badge.agent-windsurf { color: #67e8f9; border-color: #226578; }
.badge.agent-chatgpt { color: #a7f3d0; border-color: #2f7b4f; }
.badge.agent-gemini { color: #c4b5fd; border-color: #4b3f8c; }
.badge.agent-devin { color: #fde68a; border-color: #927226; }
.badge.agent-amazon-q { color: #fdba74; border-color: #a05b2a; }
.badge.agent-other { color: var(--text-muted); }

.badge.type { background: rgba(239,68,68,0.08); color: #fca5a5; border-color: rgba(239,68,68,0.3); }

.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.card .summary {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 8px;
}
.card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-faint);
}
.card .meta strong { color: var(--text-muted); font-weight: 500; }

/* --- detail modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 16px;
  z-index: 50;
  overflow-y: auto;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  max-width: 720px;
  width: 100%;
  padding: 24px 26px;
  box-shadow: var(--shadow);
}
.modal h2 { margin: 0 0 8px; letter-spacing: -0.02em; }
.modal .close {
  float: right;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}
.modal .lessons { margin-top: 16px; padding-left: 20px; }
.modal .lessons li { margin-bottom: 4px; color: var(--text); }
.modal .evidence-list { list-style: none; padding: 0; margin: 12px 0 0; }
.modal .evidence-list li {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 6px;
  background: var(--surface-2);
  font-size: 12px;
  color: var(--text-muted);
}
.modal .evidence-list li a { color: var(--link); }

/* --- bar chart --- */
.bars {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.bar-row {
  display: grid;
  grid-template-columns: 140px 1fr 60px;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 13px;
  cursor: pointer;
}
.bar-row:hover { color: #fff; }
.bar-track {
  height: 16px;
  background: var(--surface-2);
  border-radius: 4px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  border-radius: 4px;
}
.bar-row .count { text-align: right; color: var(--text-muted); }

/* --- sources table --- */
table.sources {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  font-size: 13px;
}
table.sources th,
table.sources td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
table.sources th { background: var(--surface-2); color: var(--text-muted); font-weight: 500; font-size: 12px; }
table.sources tr.ok td:first-child { border-left: 3px solid var(--ok); }
table.sources tr.fail td:first-child { border-left: 3px solid var(--accent); }
table.sources tr:last-child td { border-bottom: 0; }
table.sources td.error { color: var(--accent); font-family: ui-monospace, monospace; font-size: 12px; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- empty / loading --- */
.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 60px 20px;
}
.empty p { margin: 0 0 12px; }
.skeleton-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 12px;
  animation: pulse 1.5s infinite;
}
.skeleton-card .line {
  background: var(--surface-2);
  height: 12px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.skeleton-card .line.w70 { width: 70%; }
.skeleton-card .line.w40 { width: 40%; }
@keyframes pulse { 0% { opacity: 0.6; } 50% { opacity: 1; } 100% { opacity: 0.6; } }

/* --- banner --- */
.banner {
  background: rgba(234, 179, 8, 0.12);
  border: 1px solid rgba(234, 179, 8, 0.4);
  color: #facc15;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 13px;
}
.banner.error {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

/* --- footer / about --- */
.about-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  font-size: 14px;
  line-height: 1.7;
}
.about-block h3 { margin-top: 0; }
.about-block code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

.text-muted { color: var(--text-muted); }

/* --- pagination button --- */
button.load-more {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  margin: 16px auto;
  display: block;
}
button.load-more:hover { border-color: var(--accent); }
button.load-more:disabled { opacity: 0.4; cursor: not-allowed; }