:root {
  --bg: #f5f5f4;
  --panel: #ffffff;
  --border: #e7e5e4;
  --text: #18181b;
  --muted: #78716c;
  --accent: #2563eb;
  --good: #059669;
  --ok: #d97706;
  --bad: #dc2626;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

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

.topbar {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 700;
  color: var(--text);
  font-size: 16px;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.sidebar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  height: fit-content;
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}
.sidebar h3 {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.side-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
}
.side-item:hover { background: var(--bg); text-decoration: none; }
.side-item.active { background: #eff6ff; color: var(--accent); }
.side-id { color: var(--muted); font-variant-numeric: tabular-nums; }
.side-brief { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-score { font-variant-numeric: tabular-nums; font-weight: 600; }
.side-empty { padding: 8px; font-size: 13px; }

.content { display: flex; flex-direction: column; gap: 24px; min-width: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h1, .card h2 { margin: 0 0 12px; }
.card h2 { font-size: 16px; }

/* New-run form */
.new-run form { display: flex; flex-direction: column; gap: 12px; }
.new-run label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}
.new-run textarea, .new-run input {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}
.new-run textarea:focus, .new-run input:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}
.new-run .row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.new-run button {
  align-self: flex-start;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 8px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.new-run button:hover { filter: brightness(0.95); }
.new-run button:disabled { opacity: 0.6; cursor: wait; }

/* Token gate on gated deployments. */
.new-run .gated-note {
  margin: -4px 0 0;
  padding: 10px 12px;
  background: #fef3c7;
  color: #92400e;
  border-radius: 6px;
  font-size: 13px;
}
.new-run .token-field input { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* Recent runs grid */
.run-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.run-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  min-height: 110px;
}
.run-card:hover { border-color: var(--accent); text-decoration: none; }
.run-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.run-id { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 13px; }
.run-brief { font-size: 13px; color: var(--text); }
.run-score {
  font-size: 24px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-top: auto;
}

/* Status badges */
.status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.status-running {
  background: #fef3c7;
  color: #92400e;
  animation: pulse 1.5s infinite;
}
.status-converged { background: #d1fae5; color: #065f46; }
.status-exhausted { background: #e5e7eb; color: #374151; }
.status-errored { background: #fee2e2; color: #991b1b; }
.status-unknown { background: #e5e7eb; color: #374151; }

/* Live progress indicator: "iter 3 · rendering" with a spinner. */
.progress {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background: #eff6ff;
  color: var(--accent);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.progress .spinner {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  border-right-color: transparent;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.run-error {
  padding: 10px 12px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  border-radius: 6px;
  font-size: 13px;
  margin: 0 0 16px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Run header */
.run-header h1 { display: flex; align-items: center; gap: 12px; font-size: 20px; }
.run-header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}
.run-stats {
  display: flex;
  gap: 24px;
}
.run-stats > div {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.run-stats b {
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}
.brief {
  margin: 0 0 16px;
  padding: 12px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 13px;
}

/* Chart */
.chart-wrap {
  background: var(--bg);
  border-radius: 6px;
  padding: 12px;
}
#score-chart { width: 100%; height: 220px; display: block; }
#score-chart .grid-line { stroke: #d6d3d1; stroke-width: 1; }
#score-chart .axis-label { fill: var(--muted); font-size: 10px; }
#score-chart .line-composite { fill: none; stroke: var(--accent); stroke-width: 2; }
#score-chart .line-sus { fill: none; stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 3 3; }
#score-chart .point { fill: var(--accent); }
#score-chart .point-label { fill: var(--text); font-size: 10px; font-weight: 600; }

/* Iteration grid + cards */
.iter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.iter-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.iter-card header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.iter-num { font-variant-numeric: tabular-nums; color: var(--muted); font-weight: 600; }
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}
.badge.score-good { background: #d1fae5; color: #065f46; }
.badge.score-ok { background: #fef3c7; color: #92400e; }
.badge.score-bad { background: #fee2e2; color: #991b1b; }
.badge.score-none { background: #e5e7eb; color: #374151; }

.score-good { color: var(--good); }
.score-ok { color: var(--ok); }
.score-bad { color: var(--bad); }

.iter-card .thumb {
  display: block;
  background: var(--bg);
  line-height: 0;
}
.iter-card .thumb img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s ease;
}
.iter-card .thumb:hover img { transform: scale(1.02); }
.iter-card .stats {
  display: flex;
  gap: 16px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--muted);
}
.iter-card .stats b { color: var(--text); font-variant-numeric: tabular-nums; }
.iter-card .feedback {
  padding: 0 14px 12px;
  margin: 0;
  font-size: 13px;
}
.iter-card details {
  border-top: 1px solid var(--border);
  padding: 10px 14px;
  font-size: 12px;
}
.iter-card details summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 600;
}
.iter-card details ul { margin: 8px 0 0; padding-left: 20px; color: var(--text); }
.iter-card details li { margin-bottom: 4px; }

/* Fade-in for newly-streamed cards */
.iter-card.appearing {
  animation: slide-in 0.4s ease-out;
}
@keyframes slide-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; max-height: 200px; }
  .new-run .row { grid-template-columns: 1fr 1fr; }
}

/* ========== Conversation-run additions ========== */

/* Transcript preview that replaces the screenshot thumb on conversation cards. */
.thumb-transcript {
  background: var(--bg);
  padding: 10px;
  line-height: 1.35;
  height: 180px;
  overflow: hidden;
  display: flex;
}
.thumb-transcript:hover { background: #ebe9e4; text-decoration: none; }
.thumb-empty {
  align-self: center;
  margin: auto;
  font-size: 12px;
}
.transcript-preview {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  overflow: hidden;
}
.bubble {
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 11px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 64px;
  overflow: hidden;
}
.bubble-role {
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.bubble-text { color: var(--text); line-height: 1.35; }
.bubble-user { background: #eff6ff; align-self: flex-start; max-width: 85%; }
.bubble-assistant { background: #f0fdf4; align-self: flex-end; max-width: 85%; }

/* Full transcript view (opened when you click the card thumb). */
.transcript-full {
  max-width: 760px;
  margin: 24px auto 80px;
  padding: 0 24px;
}
.transcript-full h1 {
  font-size: 20px;
  margin: 8px 0 4px;
}
.transcript-meta {
  margin-bottom: 24px;
  font-size: 13px;
}
.transcript-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.transcript-body .bubble {
  max-height: none;
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 12px;
  max-width: 80%;
}
.transcript-body .bubble-role { font-size: 10px; }
.transcript-body .bubble-text { white-space: pre-wrap; }

/* Kind selector in the new-run form. */
.new-run select {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}

/* Author display:flex on labels beats the built-in display:none for [hidden] —
   restore the hide behavior for the kind-toggled fields. */
.new-run [hidden] { display: none !important; }