/* Coeus Prep — brand palette from coeustech.net */
:root {
  --navy: #19284B;
  --bg: #0d1526;
  --panel: #131f3d;
  --card: #16234a;
  --border: #243463;
  --accent: #FB6202;
  --accent-dark: #d95502;
  --sky: #FF9D5C;
  --green: #4ade80;
  --red: #f87171;
  --amber: #fbbf24;
  --slate: #cbd5e1;
  --muted: #94a3b8;
}
* { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: 'Segoe UI', system-ui, Arial, sans-serif; background: var(--bg); color: #e2e8f0; line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--sky); text-decoration: none; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 18px; width: 100%; }

/* header */
header.site { padding: 12px 0; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: #0d1526ee; backdrop-filter: blur(6px); z-index: 10; }
.bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--sky); font-weight: 700; letter-spacing: 1px; font-size: 17px; }
.brand img { height: 34px; }
.brand em { font-style: normal; color: #fff; }
.brand small { display: block; font-size: 9px; letter-spacing: 2px; color: var(--muted); font-weight: 400; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a { font-size: 13.5px; color: var(--slate); padding: 6px 10px; border-radius: 8px; }
nav a:hover { background: var(--card); }
nav a.upgrade { color: #fff; background: var(--accent); font-weight: 600; }
nav a.upgrade:hover { background: var(--accent-dark); }

/* main */
main { flex: 1; padding: 28px 18px 60px; }
h1 { font-size: clamp(24px, 4.5vw, 34px); line-height: 1.2; color: #fff; }
h2 { font-size: 21px; color: #fff; margin-bottom: 6px; }
.lede { color: var(--muted); margin: 10px 0 24px; max-width: 640px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px; margin-bottom: 16px; }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: 12px 22px; border-radius: 10px; font-weight: 700; font-size: 15px; border: none; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--accent-dark); }
.btn.ghost { background: transparent; border: 1px solid var(--accent); color: var(--sky); }
.btn.small { padding: 7px 14px; font-size: 13px; font-weight: 600; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* home domain bars */
.domain-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.domain-row:last-child { border-bottom: none; }
.domain-row .name { font-size: 14.5px; color: var(--slate); }
.domain-row .pct { font-size: 13px; color: var(--sky); font-weight: 700; white-space: nowrap; }
.meter { grid-column: 1 / -1; height: 8px; background: var(--panel); border-radius: 6px; overflow: hidden; display: flex; }
.meter .fill { background: var(--accent); height: 100%; border-radius: 6px 0 0 6px; }
.meter .acc { background: var(--green); height: 100%; }
.meter-note { grid-column: 1 / -1; font-size: 11.5px; color: var(--muted); }

/* stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin: 18px 0; }
.tile { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px; text-align: center; }
.tile .big { font-size: 26px; font-weight: 800; color: #fff; }
.tile .big.good { color: var(--green); }
.tile .big.warn { color: var(--amber); }
.tile .big.bad { color: var(--red); }
.tile .lbl { font-size: 11.5px; color: var(--muted); letter-spacing: .5px; text-transform: uppercase; }

/* chips */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 18px; }
.chip { padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--panel); color: var(--slate); font-size: 13px; cursor: pointer; user-select: none; font-family: inherit; }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }

/* question card */
.qmeta { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); margin-bottom: 12px; flex-wrap: wrap; }
.qmeta .dom { background: var(--panel); border: 1px solid var(--border); padding: 3px 10px; border-radius: 999px; }
.qtext { font-size: 17px; color: #fff; line-height: 1.55; margin-bottom: 18px; }
.opt { display: block; width: 100%; text-align: left; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 13px 15px; margin-bottom: 10px; color: var(--slate); font-size: 15px; cursor: pointer; font-family: inherit; line-height: 1.5; transition: border-color .12s; }
.opt:hover:not(:disabled) { border-color: var(--sky); }
.opt:disabled { cursor: default; }
.opt.sel { border-color: var(--sky); background: #1a2a55; }
.opt.correct { border-color: var(--green); background: #11301f; color: #d1fae5; }
.opt.wrong { border-color: var(--red); background: #341515; color: #fecaca; }
.opt .tag { font-weight: 800; margin-right: 8px; color: var(--sky); }
.expl { border-left: 3px solid var(--border); margin: 6px 0 14px; padding: 8px 14px; font-size: 13.5px; color: var(--muted); background: var(--panel); border-radius: 0 8px 8px 0; }
.expl.right { border-left-color: var(--green); }
.expl.right b { color: var(--green); }
.expl.wrongpick b { color: var(--red); }
.verdict { font-size: 16px; font-weight: 800; margin: 14px 0 10px; }
.verdict.ok { color: var(--green); }
.verdict.no { color: var(--red); }

/* exam */
.exam-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.timer { font-size: 20px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; }
.timer.low { color: var(--red); }
.palette { display: flex; gap: 6px; flex-wrap: wrap; margin: 14px 0; }
.pal { width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); color: var(--slate); font-size: 12px; cursor: pointer; font-family: inherit; }
.pal.answered { background: #1a3a5c; border-color: #2d5a8e; color: #fff; }
.pal.flagged { border-color: var(--amber); color: var(--amber); }
.pal.cur { border-color: var(--accent); background: var(--accent); color: #fff; font-weight: 800; }

/* results */
.score-hero { text-align: center; padding: 30px 20px; }
.score-hero .pct { font-size: 54px; font-weight: 900; }
.score-hero .pass { color: var(--green); } .score-hero .fail { color: var(--red); }
.bigbar { height: 14px; border-radius: 8px; background: var(--panel); overflow: hidden; margin: 8px 0 4px; }
.bigbar .f { height: 100%; border-radius: 8px; }
table.res { width: 100%; border-collapse: collapse; font-size: 14px; }
table.res th, table.res td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); }
table.res th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }

/* unlock */
.price { font-size: 38px; font-weight: 900; color: #fff; }
.price small { font-size: 15px; color: var(--muted); font-weight: 400; }
ul.feat { padding-left: 0; list-style: none; margin: 14px 0; }
ul.feat li { padding: 5px 0 5px 26px; position: relative; color: var(--slate); font-size: 14.5px; }
ul.feat li::before { content: '\2713'; position: absolute; left: 4px; color: var(--green); font-weight: 800; }
input.key { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--panel); color: #fff; font-size: 15px; font-family: inherit; margin: 10px 0; }
.notice { font-size: 13px; color: var(--amber); margin-top: 8px; }
.notice.ok { color: var(--green); }

footer.site { padding: 22px 0 40px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); }
footer.site p { margin-bottom: 8px; max-width: 820px; }

@media (max-width: 560px) {
  .brand small { display: none; }
  nav a { padding: 6px 8px; font-size: 12.5px; }
  .qtext { font-size: 16px; }
}