/* Shared styles for the MCQ tool family (UCAT, GAMSAT S1). WIP in outputs/mcq-build. */
:root{
  --navy:#0a1628; --teal:#0ea5e9; --ink:#1f2937; --muted:#64748b;
  --line:#e2e8f0; --bg:#f1f5f9; --card:#ffffff; --ok:#16a34a; --no:#dc2626;
}
*{box-sizing:border-box}
body{margin:0;font-family:"DM Sans",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
.wrap{max-width:820px;margin:0 auto;padding:28px 18px 64px}
.preview-note{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;font-size:0.82rem;border-radius:10px;padding:9px 13px;margin-bottom:20px}
header.hd{margin-bottom:22px}
header.hd .brand{font-weight:700;color:var(--teal);letter-spacing:0.04em;font-size:0.82rem;text-transform:uppercase}
h1{font-family:"DM Serif Display",serif;font-weight:400;color:var(--navy);font-size:2.1rem;margin:6px 0 4px}
.sub{color:var(--muted);font-size:1rem;margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:18px;box-shadow:0 1px 2px rgba(15,23,42,0.04)}
.label{font-weight:700;color:var(--navy);font-size:0.9rem;margin:0 0 10px}
.pickrow{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:6px}
.mcq-pick{font-family:inherit;font-size:0.9rem;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:8px 14px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:.15s}
.mcq-pick span{background:var(--bg);color:var(--muted);border-radius:999px;font-size:0.74rem;padding:1px 8px;font-weight:700}
.mcq-pick:hover{border-color:var(--teal)}
.mcq-pick.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.mcq-pick.active span{background:rgba(255,255,255,0.18);color:#fff}
.row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px}
select{font-family:inherit;font-size:0.92rem;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.btn{font-family:inherit;font-weight:700;font-size:0.95rem;border:0;border-radius:10px;padding:11px 22px;cursor:pointer}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:disabled{background:#cbd5e1;cursor:default}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.pbar{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:0.86rem;margin-bottom:4px}
#mcqTotalTime{font-variant-numeric:tabular-nums;font-weight:700;color:var(--navy)}
.qtag{display:inline-block;background:#ecfeff;color:#0369a1;font-size:0.74rem;font-weight:700;border-radius:999px;padding:3px 11px;margin-bottom:14px}
.mcq-stimulus{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:16px}
.mcq-stimulus-text{white-space:pre-wrap}
.mcq-stimulus-img{max-width:100%;border-radius:8px}
.mcq-stimulus-cap{color:var(--muted);font-size:0.78rem;margin-top:8px}
.mcq-stem{font-size:1.08rem;color:var(--navy);font-weight:500;margin-bottom:16px}
.mcq-options{display:flex;flex-direction:column;gap:10px}
.mcq-option{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;transition:.12s;background:#fff}
.mcq-option:hover{border-color:var(--teal)}
.mcq-option.selected{border-color:var(--teal);background:#f0f9ff}
.mcq-option.correct{border-color:var(--ok);background:#f0fdf4}
.mcq-option.wrong{border-color:var(--no);background:#fef2f2}
.mcq-option-key{flex:0 0 26px;height:26px;border-radius:7px;background:var(--bg);color:var(--navy);font-weight:700;font-size:0.82rem;display:flex;align-items:center;justify-content:center}
.mcq-option.correct .mcq-option-key{background:var(--ok);color:#fff}
.mcq-option.wrong .mcq-option-key{background:var(--no);color:#fff}
#mcqExplain{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
.mcq-verdict{font-weight:700;margin-bottom:6px}
.mcq-verdict.ok{color:var(--ok)}
.mcq-verdict.no{color:var(--no)}
.mcq-ex-text{color:var(--ink);font-size:0.95rem}
.actions{display:flex;justify-content:flex-end;margin-top:20px}
.scorewrap{text-align:center;padding:8px 0 4px}
#mcqScore{font-family:"DM Serif Display",serif;font-size:3.4rem;color:var(--navy);line-height:1}
#mcqScoreSub{color:var(--muted);margin-top:4px}
.brk-title{font-weight:700;color:var(--navy);font-size:0.86rem;margin:20px 0 10px}
.mcq-brk-row{display:flex;align-items:center;gap:12px;margin-bottom:9px}
.mcq-brk-label{flex:0 0 42%;font-size:0.9rem}
.mcq-brk-bar{flex:1;height:8px;background:var(--bg);border-radius:999px;overflow:hidden}
.mcq-brk-bar i{display:block;height:100%;background:var(--teal);border-radius:999px}
.mcq-brk-val{flex:0 0 auto;font-size:0.84rem;color:var(--muted);font-variant-numeric:tabular-nums}
#mcqTimeStat{color:var(--muted);font-size:0.88rem;margin-top:18px;text-align:center}
.mcq-empty{color:var(--muted);text-align:center;padding:30px}