:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #5f6672;
  --line: #e2e5ea;
  --accent: #3b5bdb;
  --ok: #1f7a4d;
  --ok-bg: #e3f4ea;
  --warn: #8a5a00;
  --warn-bg: #fdf1d8;
  --bad: #b42318;
  --bad-bg: #fde8e6;
  --pending-bg: #eceef2;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111317;
    --panel: #1a1d23;
    --text: #e8eaee;
    --muted: #9aa1ad;
    --line: #2b2f37;
    --accent: #8ea4ff;
    --ok: #6fd39e;
    --ok-bg: #173325;
    --warn: #f1c46b;
    --warn-bg: #3a2d10;
    --bad: #ff8a80;
    --bad-bg: #3d1a17;
    --pending-bg: #262a31;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

h1 { font-size: 1.35rem; margin: 0 0 .25rem; }
h2 { font-size: .95rem; margin: 0 0 .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: .8rem; }

.bar {
  display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between;
  padding: .75rem 16px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.open-run { display: flex; flex-wrap: wrap; gap: .5rem; min-width: 0; max-width: 100%; }
.open-run input {
  font: inherit; font-family: var(--mono); padding: .35rem .6rem; width: 14rem; min-width: 0; flex: 1 1 10rem;
  background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 6px;
}
button, .file-button {
  font: inherit; padding: .35rem .8rem; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
button[type="submit"] { background: var(--accent); border-color: var(--accent); color: #fff; }

main { max-width: 1100px; margin: 0 auto; padding: 16px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; margin-bottom: 1rem; }

.summary { display: flex; gap: 1rem; justify-content: space-between; align-items: flex-start; }
#run-title { font-family: var(--mono); font-size: 1.1rem; word-break: break-all; }

.status, .chip {
  display: inline-block; border-radius: 999px; font-weight: 600; white-space: nowrap;
  background: var(--pending-bg); color: var(--muted);
}
.status { padding: .3rem .8rem; font-size: .85rem; }
.chip { padding: .05rem .5rem; font-size: .72rem; font-family: var(--mono); }
[data-tone="ok"] { background: var(--ok-bg); color: var(--ok); }
[data-tone="warn"] { background: var(--warn-bg); color: var(--warn); }
[data-tone="bad"] { background: var(--bad-bg); color: var(--bad); }

.pipeline {
  list-style: none; margin: 0 0 1rem; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem;
}
.pipeline li {
  flex: 1 1 7rem; padding: .45rem .6rem; border-radius: 8px; font-size: .78rem; font-weight: 600;
  background: var(--panel); border: 1px solid var(--line); color: var(--muted); text-align: center;
}
.pipeline li[data-state="done"] { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.pipeline li[data-state="current"] { border-color: var(--accent); color: var(--accent); }
.pipeline li[data-state="stopped"] { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.pipeline li[data-state="skipped"] { border-style: dashed; }

.grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 1rem; }
.grid .panel { margin-bottom: 0; }
@media (max-width: 760px) { .grid { grid-template-columns: minmax(0, 1fr); } .summary { flex-direction: column; } }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 3.2rem minmax(0, 1fr); gap: .6rem; padding: .55rem 0; border-top: 1px solid var(--line); }
.timeline li:first-child { border-top: 0; }
.timeline .when { font-family: var(--mono); font-size: .75rem; color: var(--muted); padding-top: .15rem; }
.timeline .message { margin: .2rem 0 0; overflow-wrap: anywhere; white-space: pre-line; }
.timeline li[data-severity="error"] .message { color: var(--bad); }
.timeline li[data-severity="warning"] .message { color: var(--warn); }
.timeline li.fresh { animation: fade-in .4s ease-out; }
@keyframes fade-in { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: none; } }

details.meta { margin-top: .25rem; font-size: .8rem; }
details.meta summary { cursor: pointer; color: var(--muted); }
dl.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: .15rem .6rem; margin: .4rem 0 0; }
dl.kv dt { color: var(--muted); font-family: var(--mono); }
dl.kv dd { margin: 0; font-family: var(--mono); overflow-wrap: anywhere; white-space: pre-wrap; }

.check { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .35rem 0; border-top: 1px solid var(--line); font-size: .9rem; }
.check:first-of-type { border-top: 0; }
.evidence-note { font-size: .82rem; color: var(--muted); margin: .75rem 0 0; }
.pr-link { display: block; margin: .75rem 0; padding: .6rem .75rem; border-radius: 8px; background: var(--ok-bg); color: var(--ok); font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }

.recent { list-style: none; margin: 0 0 1rem; padding: 0; }
.recent li { display: flex; gap: .75rem; align-items: center; padding: .5rem 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.recent li:first-child { border-top: 0; }
.recent a { font-family: var(--mono); }

.error { background: var(--bad-bg); color: var(--bad); padding: .75rem 1rem; border-radius: 8px; }

/* Home */
.hero h1 { font-size: 1.6rem; margin-bottom: .5rem; }
.hero p { margin: 0 0 .75rem; max-width: 52rem; }
.stack { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 .75rem; padding: 0; }
.stack li { padding: .15rem .6rem; border-radius: 999px; border: 1px solid var(--line); font-size: .8rem; color: var(--muted); }
.links { display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; margin: 0; }

.cases { list-style: none; margin: .5rem 0 0; padding: 0; }
.cases li { display: flex; align-items: center; gap: .9rem; padding: .65rem 0; border-top: 1px solid var(--line); }
.cases li:first-child { border-top: 0; }
.case-id { font-family: var(--mono); font-weight: 700; color: var(--accent); min-width: 1.6rem; }
.case-body { flex: 1 1 auto; min-width: 0; }
.case-body .small { margin-top: .15rem; overflow-wrap: anywhere; }
.run-live { background: var(--accent); border-color: var(--accent); color: #fff; white-space: nowrap; }
.run-live:disabled { background: var(--pending-bg); border-color: var(--line); color: var(--muted); cursor: not-allowed; }
@media (max-width: 520px) { .cases li { flex-wrap: wrap; } .run-live { width: 100%; } }

/* Run page */
.sources { margin: .35rem 0 0; padding-left: 1.1rem; font-size: .82rem; }
.sources li { margin: .2rem 0; overflow-wrap: anywhere; }
.diff {
  margin: 0; padding: .75rem; overflow-x: auto; border-radius: 8px; background: var(--bg);
  font: .8rem/1.45 var(--mono); border: 1px solid var(--line);
}
.diff span { display: block; white-space: pre; }
.diff .add { background: var(--ok-bg); color: var(--ok); }
.diff .del { background: var(--bad-bg); color: var(--bad); }
.diff .hunk { color: var(--accent); }
.diff .file { color: var(--muted); font-weight: 600; }