/* ---- theme tokens ----
   Default block is dark. A light palette is applied when the browser prefers
   light (and the reader hasn't forced a theme), and either palette can be
   pinned via [data-theme] set by the topbar toggle. */
:root {
  --topbar-h: 3rem;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", monospace;
  font-size: 15px;

  color-scheme: dark;
  --bg: #0f1216;
  --bg2: #171c22;
  --bg3: #1f2630;
  --fg: #d7dde4;
  --fg-dim: #8b98a5;
  --accent: #4cc38a;
  --accent2: #58a6ff;
  --warn: #d29922;
  --err: #f85149;
  --thinking: #b083f0;
  --border: #2b3340;

  --code-bg: #0b0e12;
  --user-bg: #1c2735;
  --user-border: #27405e;
  --badge-int-bg: #1c3b2f;
  --badge-bench-bg: #1c2e4a;
  --badge-warn-bg: #3b2f1c;
  --badge-err-bg: #4a1c1c;
  --score-pass-bg: #143a24;
  --score-partial-bg: #3a2f14;
  --score-fail-bg: #3a1414;
  --active: #21344a;
}

/* Shared light palette — applied for system-light users and the forced light theme. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg: #ffffff;
    --bg2: #f5f7fa;
    --bg3: #e8edf2;
    --fg: #1b2129;
    --fg-dim: #5b6672;
    --accent: #1a7f4b;
    --accent2: #0969da;
    --warn: #9a6700;
    --err: #cf222e;
    --thinking: #8250df;
    --border: #d5dbe2;

    --code-bg: #f6f8fa;
    --user-bg: #ddf3ff;
    --user-border: #a9d5f5;
    --badge-int-bg: #cdeeda;
    --badge-bench-bg: #d6e8ff;
    --badge-warn-bg: #fbedc8;
    --badge-err-bg: #ffdcdc;
    --score-pass-bg: #cbf1d8;
    --score-partial-bg: #fbeecb;
    --score-fail-bg: #ffd7d7;
    --active: #d6e8ff;
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg2: #f5f7fa;
  --bg3: #e8edf2;
  --fg: #1b2129;
  --fg-dim: #5b6672;
  --accent: #1a7f4b;
  --accent2: #0969da;
  --warn: #9a6700;
  --err: #cf222e;
  --thinking: #8250df;
  --border: #d5dbe2;

  --code-bg: #f6f8fa;
  --user-bg: #ddf3ff;
  --user-border: #a9d5f5;
  --badge-int-bg: #cdeeda;
  --badge-bench-bg: #d6e8ff;
  --badge-warn-bg: #fbedc8;
  --badge-err-bg: #ffdcdc;
  --score-pass-bg: #cbf1d8;
  --score-partial-bg: #fbeecb;
  --score-fail-bg: #ffd7d7;
  --active: #d6e8ff;
}

/* [data-theme="dark"] just re-uses the default :root tokens (color-scheme dark). */

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, sans-serif;
}

#topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--topbar-h);
  padding: 0 1.2rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { font-weight: 700; font-size: 1.1rem; letter-spacing: 0.02em; }
.accent { color: var(--accent); }
#topbar nav { display: flex; gap: 1rem; }
#topbar a { color: var(--fg-dim); text-decoration: none; padding: 0.2rem 0.4rem; border-radius: 4px; }
#topbar a.active { color: var(--fg); background: var(--bg3); }
.spacer { margin-left: auto; }
#theme-toggle {
  background: var(--bg3); color: var(--fg-dim); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.2rem 0.55rem; font-size: 0.8rem; cursor: pointer;
  font-family: var(--mono);
}
#theme-toggle:hover { color: var(--fg); }
#live-dot { color: var(--fg-dim); transition: color 0.3s; }
#live-dot.on { color: var(--accent); }
#live-dot.static { color: var(--warn); }

main { padding: 1.2rem; max-width: 1500px; margin: 0 auto; }

.filters { display: flex; gap: 0.6rem; margin-bottom: 0.9rem; flex-wrap: wrap; }
.filters input, .filters select {
  background: var(--bg2); color: var(--fg); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.35rem 0.6rem; font-size: 0.9rem;
}
.filters input { min-width: 220px; }

table.sessions { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.sessions th {
  text-align: left; color: var(--fg-dim); font-weight: 500;
  padding: 0.35rem 0.55rem; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.sessions td { padding: 0.42rem 0.55rem; border-bottom: 1px solid var(--bg3); white-space: nowrap; }
table.sessions tr.row { cursor: pointer; }
table.sessions tr.row:hover { background: var(--bg2); }
td.cwd { max-width: 260px; overflow: hidden; text-overflow: ellipsis; color: var(--fg-dim); }
td.num, th.num { text-align: right; font-family: var(--mono); font-size: 0.82rem; }

.badge {
  display: inline-block; padding: 0.05rem 0.45rem; border-radius: 10px;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
}
.badge.interactive { background: var(--badge-int-bg); color: var(--accent); }
.badge.bench { background: var(--badge-bench-bg); color: var(--accent2); }
.badge.test, .badge.subagent { background: var(--badge-warn-bg); color: var(--warn); }
.badge.err { background: var(--badge-err-bg); color: var(--err); }

.empty { color: var(--fg-dim); padding: 3rem; text-align: center; }

/* ---- session detail ---- */
.detail-head { margin-bottom: 1rem; }
.detail-head h2 { margin: 0 0 0.5rem; font-size: 1rem; font-family: var(--mono); word-break: break-all; }
.chips { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.chip {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 6px;
  padding: 0.18rem 0.55rem; font-size: 0.78rem; font-family: var(--mono); color: var(--fg-dim);
}
.chip b { color: var(--fg); font-weight: 600; }
.chip.err { border-color: var(--err); color: var(--err); }

.plan-panel {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.7rem 1rem; margin: 0.9rem 0;
}
.plan-panel h3 { margin: 0 0 0.5rem; font-size: 0.85rem; color: var(--accent); }
.plan-step { font-family: var(--mono); font-size: 0.85rem; padding: 0.12rem 0; }
.plan-step.done { color: var(--fg-dim); text-decoration: line-through; }
.plan-step.in_progress { color: var(--accent2); }
.plan-step.skipped { color: var(--warn); }
.plan-history { color: var(--fg-dim); font-size: 0.8rem; margin-top: 0.4rem; }

/* ---- detail two-column layout: sidebar TOC + transcript ---- */
.detail-layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.toc {
  position: sticky;
  top: calc(var(--topbar-h) + 1rem);
  max-height: calc(100vh - var(--topbar-h) - 2rem);
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg2);
  padding: 0.5rem;
  font-size: 0.82rem;
}
.toc-title {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-dim); padding: 0.2rem 0.4rem 0.5rem; font-weight: 600;
}
.toc-list { list-style: none; margin: 0; padding: 0; }
.toc-item {
  display: flex; align-items: baseline; gap: 0.4rem;
  padding: 0.24rem 0.4rem; border-radius: 5px; cursor: pointer;
  border-left: 2px solid transparent;
  color: var(--fg-dim); line-height: 1.3;
}
.toc-item:hover { background: var(--bg3); color: var(--fg); }
.toc-item.active { background: var(--active); color: var(--fg); border-left-color: var(--accent2); }
.toc-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toc-meta { font-family: var(--mono); font-size: 0.68rem; color: var(--fg-dim); flex: 0 0 auto; }
.toc-item.active .toc-meta { color: var(--fg); }

/* icon glyph before each entry, colored by kind */
.toc-item::before { flex: 0 0 auto; font-size: 0.78rem; width: 1rem; text-align: center; }
.toc-item.user { color: var(--fg); font-weight: 600; margin-top: 0.35rem; }
.toc-item.user::before { content: "💬"; }
.toc-item.user:first-child { margin-top: 0; }
.toc-item.assistant { padding-left: 0.9rem; }
.toc-item.assistant::before { content: "↳"; color: var(--accent); }
.toc-item.tool { padding-left: 0.9rem; font-family: var(--mono); font-size: 0.76rem; }
.toc-item.tool::before { content: "⚙"; }
.toc-item.tool.error { color: var(--err); }
.toc-item.tool.error::before { content: "✕"; color: var(--err); }
.toc-item.marker { color: var(--warn); font-style: italic; justify-content: center; }
.toc-item.marker::before { content: ""; width: 0; }

.transcript { display: flex; flex-direction: column; gap: 0.7rem; }
.msg { border-radius: 8px; padding: 0.65rem 0.9rem; max-width: 100%; scroll-margin-top: calc(var(--topbar-h) + 1rem); }
.msg.user { background: var(--user-bg); border: 1px solid var(--user-border); }
.msg.assistant { background: var(--bg2); border: 1px solid var(--border); }
.msg .who { font-size: 0.72rem; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.35rem; display: flex; gap: 0.7rem; align-items: baseline; flex-wrap: wrap; }
.msg .who .stats { font-family: var(--mono); text-transform: none; letter-spacing: 0; }
.msg pre { margin: 0.3rem 0; white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: 0.85rem; }
.msg .text { white-space: pre-wrap; word-break: break-word; font-size: 0.92rem; line-height: 1.45; }

details.block { margin: 0.4rem 0; border: 1px solid var(--border); border-radius: 6px; background: var(--code-bg); scroll-margin-top: calc(var(--topbar-h) + 1rem); }
details.block > summary {
  cursor: pointer; padding: 0.32rem 0.6rem; font-family: var(--mono); font-size: 0.8rem;
  color: var(--fg-dim); user-select: none;
  display: flex; align-items: center; gap: 0.5rem;
}
details.block > summary::-webkit-details-marker { display: none; }
details.block > summary::before { content: "▸"; color: var(--fg-dim); flex: 0 0 auto; transition: transform 0.15s; }
details.block[open] > summary::before { transform: rotate(90deg); }
details.block[open] > summary { border-bottom: 1px solid var(--border); }
details.block .inner { padding: 0.5rem 0.7rem; overflow-x: auto; }
details.block .inner pre.args { color: var(--fg-dim); border-bottom: 1px dashed var(--border); padding-bottom: 0.4rem; }
.tool-name { color: var(--accent2); font-weight: 600; flex: 0 0 auto; }
.tool-arg { color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.tool-right { margin-left: auto; display: flex; gap: 0.5rem; align-items: center; white-space: nowrap; flex: 0 0 auto; }
.tool-meta { color: var(--fg-dim); }
.tool-err { color: var(--err); font-weight: 600; }
details.block.error { border-color: var(--err); }
details.block.error > summary .tool-name { color: var(--err); }
details.thinking > summary { color: var(--thinking); }
details.thinking > summary::before { color: var(--thinking); }

.marker { text-align: center; color: var(--fg-dim); font-size: 0.78rem; padding: 0.2rem; scroll-margin-top: calc(var(--topbar-h) + 1rem); }
.marker.compaction { color: var(--warn); }

.back { color: var(--accent2); text-decoration: none; font-size: 0.85rem; }

/* ---- bench ---- */
.bench-run { background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; padding: 0.8rem 1rem; margin-bottom: 1rem; }
.bench-run h3 { margin: 0 0 0.5rem; font-family: var(--mono); font-size: 0.9rem; }
table.bench { border-collapse: collapse; font-size: 0.85rem; }
table.bench th, table.bench td { padding: 0.3rem 0.7rem; border: 1px solid var(--border); }
td.score-pass { background: var(--score-pass-bg); color: var(--accent); font-family: var(--mono); }
td.score-partial { background: var(--score-partial-bg); color: var(--warn); font-family: var(--mono); }
td.score-fail { background: var(--score-fail-bg); color: var(--err); font-family: var(--mono); }

/* ---- narrow screens: collapse the sidebar ---- */
@media (max-width: 860px) {
  .detail-layout { grid-template-columns: 1fr; }
  .toc {
    position: static; max-height: 40vh; margin-bottom: 1rem;
  }
}