:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #16181d;
  --muted: #646b78;
  --line: #e2e5ea;
  --accent: #2f5d8a;
  --accent-soft: #e7eef6;
  --ok: #2f6f4f;
  --warn: #8a6212;
  --danger: #a33a2a;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 14px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a; --panel: #1d2026; --ink: #e8eaee; --muted: #969ca8;
    --line: #2e323a; --accent: #7ba7d7; --accent-soft: #1f2933;
    --ok: #6bbd90; --warn: #d9b164; --danger: #e08573;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 14px rgba(0,0,0,.2);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
code, pre, .mono { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace; }

header.top {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: .85rem 1.25rem; background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
header.top h1 {
  font-size: 1rem; margin: 0; letter-spacing: .01em;
  display: flex; align-items: center; gap: .5rem;
}
header.top h1 .mark { color: var(--accent); flex: none; }
nav { display: flex; gap: .25rem; flex: 1; flex-wrap: wrap; }
nav button {
  background: none; border: 0; color: var(--muted); cursor: pointer;
  padding: .4rem .7rem; border-radius: 999px; font: inherit;
}
nav button:hover { background: var(--accent-soft); color: var(--ink); }
nav button[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.whoami { color: var(--muted); font-size: .85rem; display: flex; align-items: center; gap: .6rem; }

main { max-width: 940px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
h2 { font-size: 1.25rem; margin: 0 0 .35rem; }
.sub { color: var(--muted); margin: 0 0 1.25rem; font-size: .9rem; }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1rem 1.1rem; margin-bottom: .85rem;
}
.card.click { cursor: pointer; transition: border-color .12s, transform .12s; }
.card.click:hover { border-color: var(--accent); transform: translateY(-1px); }
.card h3 { margin: 0 0 .3rem; font-size: 1rem; }
.card .meta { color: var(--muted); font-size: .82rem; display: flex; gap: .8rem; flex-wrap: wrap; }

.pill {
  display: inline-block; padding: .1rem .55rem; border-radius: 999px;
  font-size: .72rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
  border: 1px solid var(--line);
}
.pill.open { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.pill.submitted { color: var(--warn); }
.pill.changes_requested { color: var(--danger); }
.pill.merged { color: var(--ok); }
.pill.cancelled { color: var(--muted); }

label { display: block; margin: .9rem 0 .3rem; font-weight: 600; font-size: .9rem; }
.help { color: var(--muted); font-size: .82rem; font-weight: 400; margin-top: .1rem; }
input[type=text], input[type=number], input[type=date], textarea, select {
  width: 100%; padding: .55rem .65rem; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent;
}
textarea { min-height: 7rem; resize: vertical; }
.check { display: flex; align-items: center; gap: .5rem; margin-top: .5rem; }
.check input { width: auto; }

button.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  padding: .5rem .95rem; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
}
button.btn:hover:not(:disabled) { border-color: var(--accent); }
button.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.btn.danger { color: var(--danger); }
button.btn:disabled { opacity: .5; cursor: not-allowed; }
.row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-top: 1rem; }

.notice { padding: .7rem .9rem; border-radius: 8px; margin-bottom: 1rem; font-size: .9rem; }
.notice.err { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.notice.ok { background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); }
.notice ul { margin: .4rem 0 0; padding-left: 1.2rem; }

pre.diff {
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: .8rem; overflow-x: auto; font-size: .8rem; line-height: 1.45; margin: 0;
}
pre.diff .add { color: var(--ok); }
pre.diff .del { color: var(--danger); }
pre.diff .hd { color: var(--muted); }

.empty { text-align: center; padding: 3rem 1rem; color: var(--muted); }
.empty .mark { color: var(--line); margin-bottom: .75rem; }
.token-secret {
  background: var(--accent-soft); border: 1px dashed var(--accent);
  padding: .8rem; border-radius: 8px; word-break: break-all; margin: .6rem 0;
}
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: .5rem .4rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.instructions { white-space: pre-wrap; background: var(--bg); border-left: 3px solid var(--accent);
  padding: .7rem .9rem; border-radius: 0 8px 8px 0; margin-bottom: .5rem; }
.login { max-width: 380px; margin: 5rem auto; text-align: center; }