/* ---------------------------------------------------------------------
   Insource Software brand palette.
   --brand is sampled directly from the wordmark (#1880C0). The accents
   are the cube's own colours, used sparingly so the blue stays dominant.
   --------------------------------------------------------------------- */
:root{
  --bg:#f3f7fb; --surface:#ffffff; --line:#d8e3ee; --line2:#edf3f8;
  --ink:#12212e; --muted:#5a6b7c; --faint:#8798a8;

  --brand:#1880c0; --brand-dark:#12639a; --brand-darker:#0d4c78;
  --brand-soft:#e7f2fa; --brand-line:#bcdcf1;

  /* cube accents */
  --violet:#704090; --violet-soft:#f0e9f6;
  --teal:#3fadb5;   --teal-soft:#e4f5f6;
  --leaf:#60b030;   --leaf-soft:#ecf7e4;
  --coral:#e05020;  --coral-soft:#fdeee8;
  --rose:#e02050;   --rose-soft:#fdeaef;

  /* semantic — drawn from the cube, not generic */
  --ok:#3d8f2a;     --ok-soft:#ecf7e4;
  --warn:#c25610;   --warn-soft:#fdeee8;
  --bad:#c81b45;    --bad-soft:#fdeaef;

  --radius:10px;
  --shadow:0 1px 2px rgba(13,45,72,.05), 0 4px 14px rgba(13,45,72,.07);
  --shadow-lg:0 10px 34px rgba(13,45,72,.14);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}

/* brand furniture ---------------------------------------------------- */
.logo{height:38px;width:auto;display:block}
.logo-sm{height:28px}
.logo-lg{height:56px}
.brandband{height:4px;width:100%;
  background:linear-gradient(90deg,var(--rose) 0%,var(--coral) 18%,#e8a72b 34%,
    var(--leaf) 52%,var(--teal) 70%,var(--brand) 85%,var(--violet) 100%)}
.brandbar{background:var(--surface);border-bottom:1px solid var(--line);
  padding:11px 20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg); color:var(--ink); font-size:15px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand)}
h1,h2,h3,h4{margin:0 0 .5rem; line-height:1.25; font-weight:650}
h1{font-size:1.5rem} h2{font-size:1.15rem} h3{font-size:1rem}
p{margin:0 0 .75rem}
code,pre{font-family:var(--mono)}

.wrap{max-width:900px;margin:0 auto;padding:24px 18px 60px}
.wrap-wide{max-width:1500px;margin:0 auto;padding:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:18px}
.card.tight{padding:16px}
.muted{color:var(--muted)}
.faint{color:var(--faint);font-size:.85rem}
.center{text-align:center}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.row.between{justify-content:space-between}
.grow{flex:1}
.stack>*+*{margin-top:12px}
.hidden{display:none !important}

/* forms */
label{display:block;font-weight:600;font-size:.85rem;margin-bottom:5px;color:var(--muted)}
input[type=text],input[type=password],input[type=number],textarea,select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;
  font-size:15px;font-family:inherit;background:#fff;color:var(--ink);
}
input:focus,textarea:focus,select:focus{outline:2px solid var(--brand);outline-offset:-1px;border-color:var(--brand)}
input.mono{font-family:var(--mono);letter-spacing:.06em}

button,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 20px;border-radius:8px;border:1px solid transparent;
  background:var(--brand);color:#fff;font-size:.95rem;font-weight:600;
  cursor:pointer;font-family:inherit;text-decoration:none;transition:background .12s;
}
button:hover:not(:disabled),.btn:hover{background:var(--brand-dark)}
button:disabled{opacity:.45;cursor:not-allowed}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#f2f5fa !important}
.btn-danger{background:var(--bad)}
.btn-danger:hover{background:#9c1e1e !important}
.btn-ok{background:var(--ok)}
.btn-sm{padding:6px 12px;font-size:.82rem}
.btn-block{width:100%}

/* alerts */
.alert{padding:12px 14px;border-radius:8px;font-size:.9rem;border:1px solid;margin-bottom:14px}
.alert-bad{background:var(--bad-soft);border-color:#f3c4c4;color:#8f1d1d}
.alert-warn{background:var(--warn-soft);border-color:#f2d9a8;color:#7a4300}
.alert-ok{background:var(--ok-soft);border-color:#b9e2cd;color:#0b5e3c}
.alert-info{background:var(--brand-soft);border-color:#c5d5ff;color:#153a9e}

/* pills */
.pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.74rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;white-space:nowrap}
.pill-grey{background:#e9eef3;color:#5a6b7c}
.pill-blue{background:var(--brand-soft);color:var(--brand-dark)}
.pill-green{background:var(--ok-soft);color:var(--ok)}
.pill-amber{background:var(--warn-soft);color:var(--warn)}
.pill-red{background:var(--bad-soft);color:var(--bad)}
.pill-violet{background:var(--violet-soft);color:var(--violet)}
.pill-teal{background:var(--teal-soft);color:#2b7f86}

/* tables */
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;font-weight:650;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;
   padding:9px 10px;border-bottom:2px solid var(--line);background:#f7fafc;cursor:pointer;user-select:none}
th.nosort{cursor:default}
/* Only the scrolling admin tables get a sticky header — a sticky header on a
   short content table detaches and floats when the page itself scrolls. */
.tablewrap th{position:sticky;top:0;z-index:2}
td{padding:9px 10px;border-bottom:1px solid var(--line2);vertical-align:middle}
tbody tr:hover{background:#fafbfd}
.num{text-align:right;font-variant-numeric:tabular-nums}
.mono{font-family:var(--mono);font-size:.85em}

/* stat tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-bottom:18px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.tile .v{font-size:1.8rem;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.tile .k{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:650;margin-top:3px}
.tile.b .v{color:var(--brand)} .tile.g .v{color:var(--ok)}
.tile.a .v{color:var(--warn)} .tile.r .v{color:var(--bad)}
.tile.v .v{color:var(--violet)} .tile.t .v{color:#2b7f86}

/* progress */
.bar{height:7px;background:var(--line2);border-radius:5px;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--brand);border-radius:5px;transition:width .3s}
.bar.g>i{background:var(--ok)} .bar.a>i{background:var(--warn)} .bar.r>i{background:var(--bad)}

pre.code{background:#0f172a;color:#e2e8f0;padding:13px 15px;border-radius:8px;overflow-x:auto;font-size:.85rem;line-height:1.5;margin:10px 0}

/* exam-specific */
body.exam{background:#eef1f6;user-select:none;-webkit-user-select:none}
.exam-bar{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line);
  padding:9px 16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;box-shadow:0 1px 4px rgba(16,24,40,.06)}
.timer{font-family:var(--mono);font-size:1.4rem;font-weight:700;font-variant-numeric:tabular-nums;
  padding:4px 14px;border-radius:8px;background:var(--brand-soft);color:var(--brand-dark)}
.timer.warn{background:var(--warn-soft);color:var(--warn)}
.timer.crit{background:var(--bad-soft);color:var(--bad);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}

.exam-body{display:grid;grid-template-columns:1fr 260px;gap:18px;max-width:1280px;margin:0 auto;padding:18px}
@media(max-width:900px){.exam-body{grid-template-columns:1fr}.palette-wrap{order:-1}}

.qcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.qhead{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid var(--line2)}
.qtext{font-size:1.05rem;line-height:1.6;margin-bottom:16px;white-space:pre-wrap}
.opts{display:flex;flex-direction:column;gap:9px}
.opt{display:flex;gap:11px;align-items:flex-start;padding:13px 15px;border:1.5px solid var(--line);
  border-radius:9px;cursor:pointer;background:#fff;transition:all .1s}
.opt:hover{border-color:#b9c6dd;background:#fafbfd}
.opt.sel{border-color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand)}
.opt input{margin:2px 0 0;accent-color:var(--brand);flex-shrink:0;width:auto}
.opt .l{font-weight:700;color:var(--brand-dark);flex-shrink:0;min-width:18px}
.opt .t{flex:1;white-space:pre-wrap;word-break:break-word}

.palette{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:15px;
  position:sticky;top:74px;box-shadow:var(--shadow);max-height:calc(100vh - 100px);overflow-y:auto}
.pgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin:8px 0 14px}
@media(max-width:900px){.pgrid{grid-template-columns:repeat(10,1fr)}}
.pbtn{aspect-ratio:1;border-radius:6px;border:1.5px solid var(--line);background:#fff;color:var(--muted);
  font-size:.78rem;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.pbtn:hover{background:#f2f5fa}
.pbtn.answered{background:var(--ok);border-color:var(--ok);color:#fff}
.pbtn.flagged{background:var(--warn);border-color:var(--warn);color:#fff}
.pbtn.answered.flagged{background:linear-gradient(135deg,var(--ok) 50%,var(--warn) 50%);border-color:var(--warn);color:#fff}
.pbtn.cur{outline:3px solid var(--brand);outline-offset:1px;z-index:1}
.legend{font-size:.75rem;color:var(--muted);display:flex;flex-direction:column;gap:5px}
.legend span{display:flex;align-items:center;gap:7px}
.sw{width:13px;height:13px;border-radius:3px;border:1.5px solid var(--line);flex-shrink:0}

/* overlays */
.overlay{position:fixed;inset:0;background:rgba(10,14,22,.93);z-index:9999;display:flex;
  align-items:center;justify-content:center;padding:24px;backdrop-filter:blur(3px)}
.overlay .box{background:#fff;border-radius:14px;padding:32px;max-width:540px;width:100%;text-align:center}
.overlay .big{font-size:3rem;line-height:1;margin-bottom:12px}

#cam{position:fixed;bottom:14px;left:14px;width:132px;border-radius:9px;border:2px solid var(--line);
  z-index:60;background:#000;box-shadow:var(--shadow);transform:scaleX(-1);opacity:.92}
.camdot{position:fixed;bottom:20px;left:156px;z-index:61;display:flex;align-items:center;gap:6px;
  background:rgba(0,0,0,.72);color:#fff;font-size:.7rem;padding:4px 9px;border-radius:20px;font-weight:600}
.camdot i{width:7px;height:7px;border-radius:50%;background:#ff4444;animation:pulse 1.6s infinite}

.checkline{display:flex;gap:11px;align-items:flex-start;padding:11px 13px;background:#fafbfd;
  border:1px solid var(--line);border-radius:8px;font-size:.9rem;line-height:1.5}
.checkline input{margin:3px 0 0;width:auto;accent-color:var(--brand);flex-shrink:0}

.instr{counter-reset:i;list-style:none;padding:0;margin:0}
.instr li{counter-increment:i;position:relative;padding:9px 0 9px 34px;border-bottom:1px solid var(--line2);font-size:.92rem}
.instr li:last-child{border-bottom:0}
.instr li::before{content:counter(i);position:absolute;left:0;top:9px;width:22px;height:22px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);font-size:.72rem;font-weight:700;
  display:flex;align-items:center;justify-content:center}

.scorebig{font-size:3.6rem;font-weight:750;line-height:1;font-variant-numeric:tabular-nums}
.snapgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:9px}
.snapgrid figure{margin:0}
.snapgrid img{width:100%;border-radius:7px;border:1px solid var(--line);display:block;background:#000}
.snapgrid figcaption{font-size:.68rem;color:var(--faint);margin-top:3px;text-align:center}