:root {
  --bg: #0d1014;
  --bg-elev: #161b22;
  --bg-elev-2: #1f2630;
  --border: #2a323d;
  --text: #e6edf3;
  --text-dim: #8d96a0;
  --accent: #7aa2f7;
  --accent-dim: #3d4f70;
  --game: #9ece6a;
  --tool: #e0af68;
  --model: #bb9af7;
  --journal: #f7768e;
  --theory: #7dcfff;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
}

header h1 {
  margin: 0 0 8px 0;
  font-size: 18px;
  font-weight: 500;
}

.topnav {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 12px;
}

.topnav a {
  color: var(--accent);
  text-decoration: none;
}

.topnav a:hover { text-decoration: underline; }
.topnav .spacer { flex: 1; }

.meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.meta span { margin-right: 18px; }
.meta strong { color: var(--text); font-weight: 500; }

.filters {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  margin-bottom: 8px;
}

.filters label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  user-select: none;
  font-family: var(--mono);
  color: var(--text-dim);
}

.filters input { margin: 0; cursor: pointer; }

.filters label.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.filters label.disabled input { cursor: not-allowed; }

.filter-count {
  color: var(--text-dim);
  font-size: 11px;
}

.picker {
  display: flex;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
}

.picker input {
  flex: 0 1 480px;
  padding: 4px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 12px;
}

.picker button {
  padding: 4px 12px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--text);
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
}

.picker button:hover { background: var(--accent); color: var(--bg); }

.error {
  color: var(--journal);
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 10px;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.step-group {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  border-left: 2px solid var(--border);
  padding-left: 16px;
  position: relative;
}

.step-group::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 2px solid var(--accent);
}

.step-num {
  flex: 0 0 60px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  padding-top: 2px;
}

.step-num .num {
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  display: block;
  line-height: 1;
}

.step-num .ts {
  display: block;
  margin-top: 4px;
  font-size: 10px;
}

.step-content {
  flex: 1;
  min-width: 0;
}

.event {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 5px;
  margin-bottom: 8px;
  padding: 10px 12px;
  font-size: 13px;
  scroll-margin-top: 180px;
}

.event:target {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.ts-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted var(--text-dim);
}

.ts-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.event-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}

.event-type {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--bg-elev-2);
}

.event-type.game_step { color: var(--game); }
.event-type.cc_tool, .event-type.autoplay_tool { color: var(--tool); }
.event-type.model_call { color: var(--model); }
.event-type.user_message { color: var(--accent); }
.event-type.assistant_message { color: var(--text); background: var(--accent-dim); }
.event-type.journal_entry { color: var(--journal); }
.event-type.theory_update { color: var(--theory); }

.event-title {
  font-weight: 500;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
}

.event-body {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
  padding: 8px 10px;
  border-radius: 3px;
  border: 1px solid var(--border);
  max-height: 280px;
  overflow: auto;
}

.event-body.long { max-height: 480px; }

details > summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 6px;
  list-style: none;
}

details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: "▸ "; color: var(--accent); }
details[open] > summary::before { content: "▾ "; }

.frame-thumb {
  margin-top: 8px;
  display: block;
  max-width: 280px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 3px;
  image-rendering: pixelated;
  cursor: zoom-in;
}

.frame-thumb.zoomed {
  max-width: 696px;
  cursor: zoom-out;
}

.action-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--bg);
  background: var(--game);
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 6px;
}

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 8px 0 4px 0;
}