:root{
  --teal:#208D83; --teal-d:#176B63; --green:#3CB371; --ink:#1f2328; --muted:#5f6b76; --line:#dfe3e6;
  --bg:#f4f6f7; --card:#fff; --dark:#353536;
  --keep:#2E7D4F; --revise:#B7791F; --delete:#B03A2E;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--teal-d)}
.wm{position:fixed;inset:0;pointer-events:none;z-index:50;background-repeat:repeat}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;background:var(--dark);color:#fff}
.brand{display:flex;align-items:center;gap:12px}
.brand .sub{display:block;font-size:13px;color:#b8c2c8}
.logo{height:40px;width:auto;display:block}
.divider{width:1px;height:34px;background:#5a5a5c}
.top nav{display:flex;align-items:center;gap:18px;font-size:15px}
.top nav a{color:#fff;text-decoration:none}
.top nav a:hover{text-decoration:underline}
.who{color:#b8c2c8}
.inline{display:inline;margin:0}
button.link{background:none;border:0;color:#fff;font:inherit;cursor:pointer;padding:0;text-decoration:underline}
main{max-width:1100px;margin:0 auto;padding:24px 20px 60px}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:0 20px 30px}
h1{font-size:28px;margin:0 0 6px}
h2{font-size:20px;margin:0 0 12px}
.muted{color:var(--muted)}
.small{font-size:14px}
.warn{color:var(--delete);font-weight:600}
.flash{background:#e8f4f2;border:1px solid #b9ddd8;color:var(--teal-d);padding:12px 16px;border-radius:8px;margin-bottom:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:22px}
.card.narrow{max-width:460px;margin:48px auto}
.stack{display:flex;flex-direction:column;gap:10px}
label{font-weight:600;font-size:14px}
input[type=email],input[type=text],input:not([type]),textarea,select{font:inherit;padding:10px 12px;border:1px solid #c5ccd1;border-radius:8px;background:#fff;color:var(--ink);width:100%}
input:focus,textarea:focus,select:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
input.code{font-size:28px;letter-spacing:8px;text-align:center}
.btn{display:inline-block;background:var(--teal);color:#fff;border:0;border-radius:8px;padding:11px 18px;font:600 15px/1.2 inherit;font-family:inherit;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--teal-d)}
.btn.sm{padding:7px 12px;font-size:14px}
.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px;flex-wrap:wrap}
.intro > div:first-child{flex:1 1 420px}
.progress{min-width:260px;font-size:15px}
.bar{height:10px;background:#dfe6e8;border-radius:6px;overflow:hidden;margin-bottom:6px}
.bar span{display:block;height:100%;width:0;background:var(--green);transition:width .3s}
.toggle{display:flex;gap:8px;align-items:center;font-weight:400;margin-top:6px}
.q{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:18px;overflow:hidden}
.q.is-done{border-color:#b9ddd8}
.qh{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 18px;border-bottom:1px solid var(--line);background:#fafbfb}
.qnum{font-weight:700;color:var(--teal-d)}
.tag{font-size:13px;background:#eef2f3;border-radius:999px;padding:2px 10px;color:#3d4a53}
.tag.bank{background:#fff3df;color:#7a4e0d}
.tag.ref{font-size:19px;font-weight:700;color:#0f4f49;background:#e1f3f1;border:1px solid #8fcfc8;padding:4px 14px;letter-spacing:.2px}
.status{margin-left:auto;font-size:13px;color:var(--muted)}
.status.err{color:var(--delete);font-weight:600}
.qbody{padding:16px 18px}
.qtext{font-size:17px;margin-bottom:12px}
.protect{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.fig{margin:0 0 14px}
.fig img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:6px;cursor:zoom-in;display:block}
.choices{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.choices li{display:flex;gap:8px;align-items:baseline;padding:8px 12px;border:1px solid var(--line);border-radius:8px}
.choices li.key{border-color:var(--keep);background:#eef7f1}
.lbl{font-weight:700;min-width:1.5em}
.keymark{margin-left:auto;font-size:12px;font-weight:700;color:var(--keep);white-space:nowrap}
.fb{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-start;padding:14px 18px;border-top:1px solid var(--line);background:#fbfcfc}
.fb .f{display:flex;flex-direction:column;gap:4px;width:170px}
.fb .f.grow{flex:1 1 300px;width:auto}
.seg{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.seg legend{font-weight:600;font-size:14px;padding:0;margin-bottom:4px}
.seg{flex-direction:row;flex-wrap:wrap}
.seg legend{width:100%}
.opt{display:inline-flex;align-items:center;gap:6px;border:1px solid #c5ccd1;border-radius:8px;padding:9px 14px;cursor:pointer;font-weight:600;background:#fff}
.opt input{margin:0}
.opt-keep:has(input:checked){background:var(--keep);border-color:var(--keep);color:#fff}
.opt-revise:has(input:checked){background:var(--revise);border-color:var(--revise);color:#fff}
.opt-delete:has(input:checked){background:var(--delete);border-color:var(--delete);color:#fff}
fieldset:disabled .opt{opacity:.7;cursor:default}
.hide{display:none}
.lightbox{position:fixed;inset:0;background:rgba(20,24,26,.92);z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:20px}
.lightbox[hidden]{display:none}
.lightbox img{max-width:96vw;max-height:84vh;background:#fff;border-radius:6px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.stat b{display:block;font-size:32px;line-height:1.1}
.stat span{color:var(--muted)}
.stat.keep b{color:var(--keep)} .stat.revise b{color:var(--revise)} .stat.delete b{color:var(--delete)}
.actions{display:flex;gap:10px}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:middle}
.tbl th{font-size:13px;color:var(--muted);font-weight:600}
.tbl .n{text-align:right;width:70px}
.tbl .c{text-align:center}
.tbl td.clip{max-width:380px}
.tbl.users input[type=email],.tbl.users input:not([type]){padding:6px 8px}
.tbl select{padding:6px 8px;width:auto}
.pill{font-size:12px;font-weight:700;border-radius:999px;padding:2px 9px;color:#fff}
.pill.keep{background:var(--keep)} .pill.revise{background:var(--revise)} .pill.delete{background:var(--delete)}
#questions,#log{overflow-x:auto}
@media (max-width:700px){
  .top{flex-direction:column;align-items:flex-start}
  .logo{height:32px}
  .divider{display:none}
  .fb .f{width:100%}
}
.flash.error{background:#fdecea;border-color:#f3b8b1;color:#8a1f14}
.flash ul{margin:6px 0 0;padding-left:20px}
.note{background:#fff7e6;border:1px solid #f1d39a;border-radius:8px;padding:10px 14px;margin:10px 0 0}
.btn.ghost{background:#fff;color:var(--delete);border:1px solid #e3b6b1}
.btn.ghost:hover{background:#fdecea}
.pill.st-submitted{background:#5f6b76}.pill.st-needs-work{background:var(--revise)}.pill.st-accepted{background:var(--keep)}.pill.st-rejected{background:var(--delete)}
.q.sub .fb{align-items:center}
.cardhead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.cardhead h2{margin:0}
.subform fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:18px;min-width:0}
.subform .f{display:flex;flex-direction:column;gap:6px}
.lbl-h{font-weight:600;font-size:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.checks{display:flex;flex-wrap:wrap;gap:6px 14px;font-weight:400}
.checks label{font-weight:400;display:inline-flex;gap:5px;align-items:center}
.choice-row,.pair-row{display:flex;gap:10px;align-items:center;margin-top:6px}
.choice-row .radio{display:inline-flex;gap:6px;align-items:center;min-width:46px;font-weight:700}
.pair-row input{flex:1}
.figs{display:flex;flex-wrap:wrap;gap:14px}
.figs .fig{max-width:340px}
.formbar{display:flex;gap:14px;align-items:center;margin-top:18px}
.adminrev{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap}
.adminrev .f{display:flex;flex-direction:column;gap:4px}
.adminrev .grow{flex:1 1 320px}
fieldset:disabled input,fieldset:disabled textarea,fieldset:disabled select{background:#f6f7f8;color:var(--ink)}
@media (max-width:700px){.grid2{grid-template-columns:1fr}}
@media print{
  body *{display:none !important}
  body::after{content:"Printing is disabled for confidential exam material.";display:block;padding:40px;font:18px Arial}
}
.tbl td:first-child{white-space:nowrap}