/* browser-agent demo, minimal styling, no framework.
   Goal: trajectory table is the centerpiece, keep everything else quiet. */

* { box-sizing: border-box; }

:root {
  --bg: #f6f8fa;
  --fg: #1f2328;
  --muted: #57606a;
  --border: #d0d7de;
  --card-bg: #ffffff;
  --accent: #0969da;
  --accent-soft: #ddf4ff;
  --good: #1a7f37;
  --good-soft: #dafbe1;
  --warn: #9a6700;
  --warn-soft: #fff8c5;
  --bad: #d1242f;
  --bad-soft: #ffebe9;
  --mono: ui-monospace, "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", monospace;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ─────────────────────────────────────────────────── */
header {
  background: #0d1117;
  color: #f0f6fc;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.header-left { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
header h1 { margin: 0; font-size: 1.1rem; font-weight: 600; }
.subtitle { color: #8b949e; font-size: 0.78rem; }
.header-right { display: flex; align-items: center; gap: 12px; }
.eval-banner {
  background: #1f6feb33;
  color: #79c0ff;
  border: 1px solid #1f6feb55;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-family: var(--mono);
}
.eval-banner.eval-good { background: #1a7f3722; color: #7ee787; border-color: #1a7f3766; }
.repo-link {
  color: #79c0ff;
  text-decoration: none;
  font-size: 0.8rem;
  border: 1px solid #30363d;
  padding: 4px 10px;
  border-radius: 4px;
}
.repo-link:hover { background: #161b22; }

/* ── Main layout ────────────────────────────────────────────── */
main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Card ───────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  box-shadow: 0 1px 0 rgba(27, 31, 36, 0.04);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.card-head.clickable { cursor: pointer; user-select: none; }
.card-head h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
}
.card-head h2 small {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.8rem;
  margin-left: 8px;
}
.chevron { color: var(--muted); transition: transform 0.15s; }
.collapsible.collapsed .chevron { transform: rotate(-90deg); }
.collapsible.collapsed .plan-list { display: none; }

/* ── Form ───────────────────────────────────────────────────── */
label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 4px;
}
label small { font-weight: 400; color: var(--muted); }

textarea, input[type="text"], input[type="number"] {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: inherit;
  background: #fff;
  color: var(--fg);
}
textarea {
  font-family: var(--mono);
  resize: vertical;
}
textarea:focus, input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.row {
  display: grid;
  grid-template-columns: 1fr 120px 120px;
  gap: 12px;
  margin-top: 12px;
}
.field-narrow input { font-family: var(--mono); }

.examples {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.examples-label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-right: 4px;
}
.example {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 4px 12px;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--fg);
  font-family: inherit;
}
.example:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.run-row {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary:hover { background: #0860ca; }
.btn-primary:disabled { background: #8c959f; cursor: not-allowed; }

.run-msg { color: var(--muted); font-size: 0.82rem; }
.run-msg.error { color: var(--bad); }

/* ── Status badge ───────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-idle { background: #eaeef2; color: var(--muted); }
.badge-running {
  background: var(--accent-soft);
  color: var(--accent);
  animation: badge-pulse 1.4s ease-in-out infinite;
}
.badge-running::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: badge-dot-pulse 1.4s ease-in-out infinite;
  vertical-align: middle;
}
.badge-done { background: var(--good-soft); color: var(--good); }
.badge-error { background: var(--bad-soft); color: var(--bad); }

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.6; }
}
@keyframes badge-dot-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.4); }
}

/* ── Plan list ──────────────────────────────────────────────── */
.plan-list {
  margin: 0;
  padding-left: 20px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--fg);
  line-height: 1.6;
}
.plan-list li { padding: 2px 0; }
.plan-list .action-tag {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 6px;
  font-size: 0.72rem;
  margin-right: 6px;
  color: var(--muted);
}

/* ── Trajectory ─────────────────────────────────────────────── */
.legend {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot-cached { background: var(--good); }
.dot-healed { background: var(--warn); }
.dot-replan { background: var(--bad); }
.dot-abort { background: #6e7781; }

.trajectory {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.trajectory th, .trajectory td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.trajectory th {
  background: var(--bg);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.trajectory tr.row-replan {
  background: var(--bad-soft);
}
.trajectory tr.row-replan td:first-child::before {
  content: "↻ ";
  color: var(--bad);
  font-weight: 700;
}
.trajectory tr.row-abort {
  background: #f3f4f6;
  color: var(--muted);
}
.trajectory td.col-selector,
.trajectory td.col-intent {
  font-family: var(--mono);
  font-size: 0.78rem;
  word-break: break-all;
  max-width: 280px;
}
.trajectory td.col-selector {
  color: var(--muted);
}

.tier {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.72rem;
  background: #eaeef2;
  color: var(--muted);
}
.tier-cached { background: var(--good-soft); color: var(--good); }
.tier-healed { background: var(--warn-soft); color: var(--warn); }

.flag-chip {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.7rem;
  margin-right: 3px;
  background: #eaeef2;
  color: var(--muted);
}
.flag-chip.flag-good { background: var(--good-soft); color: var(--good); }
.flag-chip.flag-warn { background: var(--warn-soft); color: var(--warn); }
.flag-chip.flag-bad { background: var(--bad-soft); color: var(--bad); }

.validator-pass { color: var(--good); font-weight: 600; }
.validator-replan { color: var(--bad); font-weight: 600; }
.validator-abort { color: var(--muted); font-weight: 600; }

.signals { display: flex; flex-wrap: wrap; gap: 3px; }

/* ── Result ─────────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}
.stat-tile {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
}
.stat-tile .stat-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-tile .stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  font-family: var(--mono);
  margin-top: 2px;
}

.result-block { margin-top: 12px; }
.result-block h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin: 0 0 6px 0;
  font-weight: 600;
}
.result-block pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  max-height: 400px;
  overflow-y: auto;
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 16px;
  color: var(--muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--border);
  background: var(--card-bg);
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 680px) {
  .row { grid-template-columns: 1fr; }
  .trajectory { font-size: 0.75rem; }
  .trajectory td.col-selector, .trajectory td.col-intent { max-width: 140px; }
}