:root { --fg: #1c1c1c; --muted: #6b6b6b; --accent: #2f5d9e; --ok: #1a7f37; --bad: #b3261e; }
* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--fg);
       max-width: 760px; margin: 0 auto; padding: 0 1.25rem 3rem; line-height: 1.5; }
header { display: flex; align-items: baseline; justify-content: space-between;
         border-bottom: 1px solid #ddd; padding: 1rem 0; margin-bottom: 1.5rem; }
header h1 { font-size: 1.2rem; margin: 0; }
header a { color: var(--fg); text-decoration: none; }
nav .nav-disabled { color: #bbb; margin-left: 1rem; font-size: 0.9rem; cursor: not-allowed; }
h2 { font-size: 1.05rem; margin-top: 2rem; }
code { background: #f4f4f4; padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.9em; }
.status-table { border-collapse: collapse; width: 100%; }
.status-table td { padding: 0.4rem 0.6rem; border-bottom: 1px solid #eee; vertical-align: top; }
.status-table td:first-child { color: var(--muted); width: 11rem; }
.ok { color: var(--ok); font-weight: 600; margin-left: 0.4rem; }
.bad { color: var(--bad); font-weight: 600; }
button { background: var(--accent); color: #fff; border: none; border-radius: 6px;
         padding: 0.55rem 1.1rem; font-size: 0.95rem; cursor: pointer; }
button:disabled { opacity: 0.5; cursor: wait; }
#test-result { margin-top: 1rem; padding: 0.75rem 1rem; border-radius: 6px; }
#test-result.hidden { display: none; }
.result-ok { background: #eaf6ec; border: 1px solid #bfe3c6; }
.result-bad { background: #fdeceb; border: 1px solid #f2c0bd; }
footer { margin-top: 3rem; color: var(--muted); font-size: 0.85rem;
         border-top: 1px solid #ddd; padding-top: 0.75rem; }
nav a { color: var(--accent); margin-left: 1rem; font-size: 0.9rem; text-decoration: none; }
h3 { font-size: 1rem; margin-top: 2.25rem; border-bottom: 1px solid #eee; padding-bottom: 0.3rem; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-weight: 400; font-size: 0.85em; }
.stack { display: flex; flex-direction: column; gap: 0.9rem; max-width: 640px; }
.stack label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.95rem; }
.stack label.inline { flex-direction: row; align-items: baseline; gap: 0.5rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.row label { flex: 1; min-width: 140px; }
input, textarea { font: inherit; padding: 0.45rem 0.6rem; border: 1px solid #ccc; border-radius: 6px; }
input:disabled, textarea:disabled { background: #f6f6f6; color: #888; }
button.secondary { background: #e8eef7; color: var(--accent); }
button.small { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
button.danger { background: #fdeceb; color: var(--bad); }
.inline-form { display: inline; }
.badge { font-size: 0.75rem; padding: 0.15rem 0.5rem; border-radius: 10px; vertical-align: middle; }
.badge-draft { background: #fff3cd; color: #7a5d00; }
.badge-prepared { background: #e2ecfb; color: var(--accent); }
.badge-frozen { background: #eaf6ec; color: var(--ok); }
.badge-archived { background: #eee; color: var(--muted); }
.status-table th { text-align: left; padding: 0.4rem 0.6rem; border-bottom: 2px solid #ddd; font-size: 0.85rem; }
.q-row { display: flex; gap: 0.5rem; align-items: flex-start; margin-bottom: 0.5rem; }
.q-row textarea { flex: 1; }
.q-num { color: var(--muted); padding-top: 0.5rem; min-width: 1.6rem; text-align: right; }
.button-link { background: var(--accent); color: #fff; border-radius: 6px; padding: 0.45rem 0.9rem;
               text-decoration: none; font-size: 0.9rem; }
pre.extract { background: #fafafa; border: 1px solid #e5e5e5; border-radius: 6px; padding: 1rem;
              white-space: pre-wrap; word-wrap: break-word; max-height: 32rem; overflow-y: auto;
              font-size: 0.82rem; }
.small-code { font-size: 0.75em; word-break: break-all; }
.ladder-card { border: 1px solid #e2e2e2; border-radius: 8px; padding: 1rem 1.25rem; margin: 1.5rem 0; }
.qtext { font-size: 1.02rem; font-weight: 600; margin: 0.3rem 0 0.9rem; }
.val-box { border-radius: 6px; padding: 0.5rem 0.85rem; margin-bottom: 1rem; font-size: 0.88rem; }
.val-box ul { margin: 0.3rem 0 0; padding-left: 1.1rem; }
.val-ok { background: #f3f9f4; border: 1px solid #cde8d2; }
.val-bad { background: #fdf3ec; border: 1px solid #f2d5bd; }
p.lab { font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em;
        color: var(--muted); margin: 1.1rem 0 0.35rem; }
ul.tight { margin: 0.2rem 0; padding-left: 1.2rem; }
ul.tight li { margin: 0.15rem 0; }
.probe, .anchor { margin: 0.35rem 0; font-size: 0.93rem; line-height: 1.45; }
.pc, .al { display: inline-block; min-width: 8.5rem; font-size: 0.72rem; font-weight: 700;
           text-transform: uppercase; letter-spacing: 0.03em; color: var(--accent);
           vertical-align: top; }
.al { color: #7a5d00; min-width: 6rem; }
.excerpt { border-left: 3px solid #d6d6d6; padding: 0.1rem 0 0.1rem 0.8rem; margin: 0.6rem 0; }
.excerpt-bad { border-left-color: var(--bad); background: #fdf3f2; }
.ex-src { font-size: 0.78rem; color: var(--muted); font-weight: 600; }
.excerpt blockquote { margin: 0.25rem 0; font-size: 0.9rem; color: #333; }
.freeze-bar { border-top: 1px solid #ddd; padding-top: 1.1rem; margin-top: 1.5rem;
              display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
h4 { font-size: 0.95rem; margin: 1.4rem 0 0.4rem; }
.turn-row { border-left: 3px solid #e0e0e0; padding: 0.4rem 0 0.4rem 0.8rem; margin: 0.6rem 0; }
.turn-examiner { border-left-color: var(--accent); }
.turn-candidate { border-left-color: #c9c9c9; background: #fafafa; }
.turn-meta { font-size: 0.74rem; color: var(--muted); margin-bottom: 0.2rem; }
.turn-text { font-size: 0.92rem; white-space: pre-wrap; }
.turn-row details { margin-top: 0.3rem; }
.turn-row summary { cursor: pointer; font-size: 0.78rem; }
button.linklike { background: none; color: var(--accent); padding: 0; margin-left: 1rem;
                  font-size: 0.9rem; border: none; cursor: pointer; }
button.linklike:hover { text-decoration: underline; }
.notice { border-radius: 6px; padding: 0.75rem 1rem; margin: 1rem 0; font-size: 0.92rem; }
.notice-bad { background: #fdeceb; border: 1px solid #f2c0bd; }
.badge-aborted { background: #fdeceb; color: var(--bad); }
.turn-system { border-left-color: var(--bad); background: #fdf3f2; }