/* exam.nirap.org. Colours and type are nirap.org's own, the same as book.nirap.org. */
:root{
  --ink:#072E33; --teal:#0D4F57; --teal-2:#0A3D44; --sky:#48A8B8; --sky-deep:#2F8A9A;
  --mint:#DAEBEB; --cream:#FBF4E7; --paper:#FFFFFF; --gold:#C9A468; --gold-bright:#DFBE85;
  --coral:#FF6B5E; --muted:#5B7377; --slate:#2B4247; --bad:#B3392F; --good:#1E6B4A;
  --line:rgba(7,46,51,.12); --line-2:rgba(7,46,51,.2);
  --focus:0 0 0 3px rgba(72,168,184,.45);
  --r:14px;
  --display:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 24px 60px -32px rgba(7,46,51,.45);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--teal)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px}
[hidden]{display:none!important}

.top{background:var(--teal);border-bottom:3px solid var(--gold)}
.top .in{max-width:1120px;margin:0 auto;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.top img{height:32px;width:auto;display:block}
.top .who{display:flex;align-items:center;gap:12px;color:var(--mint);font-size:14px;min-width:0}
.top .who span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top .who button{background:transparent;border:1px solid rgba(218,235,235,.4);color:#fff;border-radius:8px;padding:6px 10px;cursor:pointer;font-size:14px;flex:none}
.top .who button:hover{background:rgba(255,255,255,.1)}

main{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:32px 16px 56px}
h1,h2,h3{font-family:var(--display);line-height:1.2;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(1.6rem,4vw,2.25rem);font-weight:600}
h2{font-size:1.25rem;font-weight:600}
h3{font-size:1.05rem;font-weight:600}
.eyebrow{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--sky-deep);font-weight:600;margin:0 0 8px}
.lede{color:var(--slate);margin:10px 0 0;max-width:46rem}
.muted{color:var(--muted)}
.small{font-size:14px}
.pre{white-space:pre-wrap;overflow-wrap:anywhere}

.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.panel + .panel{margin-top:18px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:12px 20px;font-weight:600;cursor:pointer;text-decoration:none;font-size:16px;line-height:1.2}
.btn--teal{background:var(--teal);color:#fff}
.btn--teal:hover{background:var(--teal-2)}
.btn--line{background:#fff;color:var(--teal);border:1px solid var(--sky-deep)}
.btn--line:hover{background:var(--mint)}
.btn--danger{background:#fff;color:var(--bad);border:1px solid rgba(179,57,47,.5)}
.btn--danger:hover{background:#FFF1EF}
.btn--small{padding:7px 12px;font-size:14px;border-radius:8px}
.btn[disabled]{opacity:.55;cursor:not-allowed}

.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field > label,.field > .label{font-size:14px;font-weight:600}
.field input[type=text],.field input[type=email],.field input[type=number],.field input[type=datetime-local],.field input[type=search],.field select,.field textarea{
  width:100%;border:1px solid var(--line-2);border-radius:8px;padding:9px 11px;background:#fff;font-size:15px}
.field textarea{resize:vertical;min-height:90px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sky-deep);box-shadow:var(--focus);outline:none}
.field .help{font-size:13px;color:var(--muted)}
.field .err,.err{color:var(--bad);font-size:13px}
.field.bad input,.field.bad select,.field.bad textarea{border-color:var(--bad)}

.notice{border-radius:10px;padding:12px 14px;font-size:15px;background:var(--mint);color:var(--ink)}
.notice--warn{background:#FFF1E0;color:#6B3A00}
.notice--bad{background:#FFF1EF;color:#8A2A22}

footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
footer .in{max-width:1120px;margin:0 auto;padding:16px;display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:space-between}
footer a{color:var(--muted)}

/* ---- the candidate's page ---- */
.intro{max-width:720px;margin:0 auto}
.facts{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.facts li{background:var(--cream);border-radius:10px;padding:10px 12px}
.facts b{display:block;font-family:var(--display);font-size:20px;font-weight:600}
.facts span{font-size:13px;color:var(--muted)}
.rules{margin:18px 0 0;padding:0 0 0 20px;color:var(--slate)}
.rules li{margin:4px 0}
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px}

.exam-bar{position:sticky;top:0;z-index:5;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 6px 18px -14px rgba(7,46,51,.4)}
.exam-bar .in{max-width:1120px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.exam-bar .t{font-family:var(--display);font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.timer{font-variant-numeric:tabular-nums;font-weight:700;font-size:18px;background:var(--mint);color:var(--teal);border-radius:8px;padding:4px 10px}
.timer.low{background:#FFF1E0;color:#8A4B00}
.timer.out{background:#FFF1EF;color:var(--bad)}
.savestate{font-size:13px;color:var(--muted);min-width:7.5em;text-align:right}
.savestate.bad{color:var(--bad);font-weight:600}

.taking{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:22px;align-items:start}
.qcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);-webkit-user-select:none;user-select:none}
.qhead{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted);margin-bottom:10px}
.qstem{font-size:18px;line-height:1.5;margin:0 0 18px;white-space:pre-wrap;overflow-wrap:anywhere}
.qhint{font-size:14px;color:var(--muted);margin:-8px 0 14px}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line-2);border-radius:10px;padding:13px 14px;cursor:pointer;background:#fff;transition:background .12s,border-color .12s}
.opt:hover{background:#F6FAFA}
.opt input{margin:3px 0 0;width:18px;height:18px;flex:none;accent-color:var(--teal)}
.opt.on{border-color:var(--teal);background:rgba(72,168,184,.1)}
.opt span{overflow-wrap:anywhere}
.qcard textarea{width:100%;min-height:180px;border:1px solid var(--line-2);border-radius:10px;padding:12px;font-size:16px;-webkit-user-select:text;user-select:text}
.qnav{display:flex;justify-content:space-between;gap:12px;margin-top:22px;flex-wrap:wrap}
.flagbtn{background:none;border:0;color:var(--muted);font-size:14px;cursor:pointer;padding:4px 0}
.flagbtn[aria-pressed="true"]{color:#8A4B00;font-weight:600}

.map{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:18px;position:sticky;top:72px}
.map h3{font-size:15px;margin-bottom:10px}
.map .cells{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.map .cells button{aspect-ratio:1;border:1px solid var(--line-2);border-radius:8px;background:#fff;font-size:14px;font-weight:600;cursor:pointer;position:relative;padding:0;color:var(--muted)}
.map .cells button.done{background:var(--teal);border-color:var(--teal);color:#fff}
.map .cells button.here{box-shadow:0 0 0 2px var(--gold)}
.map .cells button.flag::after{content:"";position:absolute;top:3px;right:3px;width:7px;height:7px;border-radius:50%;background:var(--gold-bright)}
.map .cells button:disabled{cursor:default;opacity:.6}
.map .key{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted);margin-top:12px}
.map .key i{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-1px;margin-right:6px;border:1px solid var(--line-2)}
.map .count{font-size:14px;margin:12px 0}

.dialog{position:fixed;inset:0;background:rgba(7,46,51,.45);display:grid;place-items:center;padding:16px;z-index:20}
.dialog .box{background:#fff;border-radius:var(--r);padding:24px;max-width:460px;width:100%;box-shadow:var(--shadow)}
.dialog p{margin:10px 0 0}

.result{max-width:640px;margin:0 auto;text-align:center}
.result .big{font-family:var(--display);font-size:clamp(2.2rem,8vw,3.4rem);font-weight:600;margin:10px 0 0}
.result .verdict{display:inline-block;margin-top:12px;padding:6px 14px;border-radius:999px;font-weight:700}
.verdict.pass{background:#E3F2EA;color:var(--good)}
.verdict.notyet{background:#FFF1E0;color:#8A4B00}
.doms{list-style:none;margin:20px auto 0;padding:0;max-width:440px;text-align:left}
.doms li{display:grid;grid-template-columns:minmax(0,1fr) 56px;gap:4px 10px;align-items:center;padding:6px 0}
.doms .bar{grid-column:1/-1;height:8px;background:var(--mint);border-radius:999px;overflow:hidden}
.doms .bar i{display:block;height:100%;background:var(--teal)}

@media (max-width:820px){
  .taking{grid-template-columns:1fr}
  .map{position:static}
  .map .cells{grid-template-columns:repeat(auto-fill,minmax(38px,1fr))}
  .map .key{flex-direction:row;flex-wrap:wrap;gap:4px 14px}
  .qcard{padding:20px 16px}
  .savestate{min-width:0}
}

/* ---- admin ---- */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin:22px 0 18px;overflow-x:auto}
.tabs button{background:none;border:0;border-bottom:3px solid transparent;padding:10px 14px;font-weight:600;color:var(--muted);cursor:pointer;font-size:15px;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--teal);border-bottom-color:var(--teal)}
.bar{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;justify-content:space-between;margin-bottom:14px}
.bar .filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.bar .filters .field{min-width:150px}
.list{display:flex;flex-direction:column;gap:10px}
.item{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 16px;align-items:center}
.item h3{font-size:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.item .meta{font-size:14px;color:var(--muted);margin:3px 0 0}
.item .stem{margin:0;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item .acts{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.badge{font-size:12px;font-weight:600;border-radius:999px;padding:2px 9px;background:var(--mint);color:var(--teal);white-space:nowrap}
.badge--off{background:#EEE;color:#5F5F5F}
.badge--warn{background:#FFF1E0;color:#8A4B00}
.badge--good{background:#E3F2EA;color:var(--good)}
.badge--bad{background:#FFF1EF;color:#8A2A22}
.empty{color:var(--muted);background:var(--paper);border:1px dashed var(--line-2);border-radius:12px;padding:22px;text-align:center}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
fieldset{border:0;border-top:1px solid var(--line);margin:20px 0 0;padding:18px 0 0;min-width:0}
legend{font-family:var(--display);font-weight:600;font-size:16px;padding:0 0 8px}
.check{display:flex;gap:8px;align-items:flex-start;font-size:15px;cursor:pointer}
.check input{margin-top:4px;accent-color:var(--teal)}
.field > label.check{font-weight:400}
.optrow{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;padding:6px 0}
.optrow input[type=text]{width:100%;border:1px solid var(--line-2);border-radius:8px;padding:8px 10px;font-size:15px}
.optrow .right{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);white-space:nowrap}
.optrow .right input{width:18px;height:18px;accent-color:var(--good)}
.linkish{background:none;border:0;color:var(--teal);cursor:pointer;font-size:14px;padding:4px 0;font-weight:600}
.linkish:hover{text-decoration:underline}
.linkish--bad{color:var(--bad)}
.bprow{display:grid;grid-template-columns:minmax(0,1fr) 110px auto;gap:10px;align-items:center;padding:6px 0}
.bprow select,.bprow input{border:1px solid var(--line-2);border-radius:8px;padding:8px 10px;background:#fff;font-size:15px;width:100%}
.table-wrap{overflow-x:auto;background:var(--paper);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600;color:var(--muted);font-size:13px;background:#FAFCFC;white-space:nowrap}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr.click{cursor:pointer}
tr.click:hover td{background:#F6FAFA}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:var(--cream);border:1px solid var(--line);border-radius:6px;padding:3px 7px;word-break:break-all}
.back{display:inline-flex;gap:6px;align-items:center;font-size:14px;font-weight:600;color:var(--teal);background:none;border:0;cursor:pointer;padding:0;margin-bottom:12px}
.ans{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff}
.ans + .ans{margin-top:10px}
.ans .o{display:flex;gap:8px;align-items:flex-start;font-size:15px;padding:3px 0}
.ans .o .mark{flex:none;width:20px;text-align:center;font-weight:700}
.ans .o.key{color:var(--good)}
.ans .o.picked-wrong{color:var(--bad)}
.ans .written{background:var(--cream);border-radius:8px;padding:10px 12px;margin:8px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.ans .marking{display:grid;grid-template-columns:120px minmax(0,1fr);gap:10px;margin-top:8px}
.timeline{list-style:none;margin:0;padding:0;font-size:14px}
.timeline li{display:flex;gap:12px;padding:5px 0;border-bottom:1px solid var(--line)}
.timeline time{color:var(--muted);font-variant-numeric:tabular-nums;flex:none;width:92px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:16px}
.kpis div{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.kpis b{display:block;font-family:var(--display);font-size:22px}
.kpis span{font-size:13px;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;z-index:30;max-width:calc(100% - 32px)}
.signin{max-width:440px;margin:40px auto;text-align:center}
.stem-sm{overflow-wrap:anywhere}

@media (max-width:720px){
  .grid2,.grid3,.grid4{grid-template-columns:1fr}
  .item{grid-template-columns:1fr}
  .item .acts{justify-content:flex-start}
  .bprow{grid-template-columns:minmax(0,1fr) 80px auto}
  .ans .marking{grid-template-columns:1fr}
  .panel{padding:18px 16px}
}