:root {
  --green: #0b5d3b; --green-dark: #08452c; --green-soft: #e8f5ee;
  --ink: #1b2733; --muted: #5b6b7a; --line: #d5dde5; --bg: #f3f6fa;
  --ok: #1e8449; --ok-soft: #e6f6ec; --bad: #c0392b; --bad-soft: #fdecea;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--ink);
  min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 24px 16px; }

.topbar { background: var(--green); color: #fff; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; }
.brand { color: #fff; text-decoration: none; font-weight: 800; font-size: 1.3rem; letter-spacing: -.5px; }
.brand span { font-weight: 400; margin-left: 4px; opacity: .85; }
.tagline { font-size: .85rem; opacity: .8; }
footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 18px; }

.hero { text-align: center; margin: 12px 0 28px; }
.hero h1 { margin: 0 0 8px; font-size: 1.8rem; }
.hero p { margin: 0; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.cat { background: #fff; border: 2px solid transparent; border-radius: 12px; padding: 20px; text-align: left; cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.06); transition: transform .12s, border-color .12s; font: inherit; color: inherit; }
.cat:hover { transform: translateY(-2px); border-color: var(--green); }
.cat h3 { margin: 0 0 6px; font-size: 1.1rem; }
.cat .muted { font-size: .85rem; }
.cat .best { margin-top: 10px; font-size: .8rem; color: var(--green); font-weight: 600; }

.muted { color: var(--muted); font-size: .9rem; }
.card { background: #fff; border-radius: 14px; padding: 24px; box-shadow: 0 2px 10px rgba(0,0,0,.07); }
.card.center { text-align: center; }
.chip { display: inline-block; background: var(--green-soft); color: var(--green); font-weight: 600; font-size: .8rem;
  padding: 3px 10px; border-radius: 999px; margin-bottom: 4px; }

.chip.subject { background: #e8f0fb; color: #1f4f99; margin-left: 4px; }
.chip.subject[data-s="Current Affairs"] { background: #fde8ec; color: #a1233b; }
.chip.subject[data-s="Pakistan Affairs"] { background: #e6f6ec; color: #1e6b3f; }
.chip.subject[data-s="Islamiat"] { background: #efe9fb; color: #5a35a8; }
.chip.subject[data-s="English"] { background: #fff3d6; color: #8a5a00; }
.chip.subject[data-s="Mathematics"] { background: #e3f4f6; color: #0d6470; }
.chip.subject[data-s="Everyday Science"] { background: #e9f7e1; color: #3d7a1c; }
.chip.subject[data-s="Technology"] { background: #e6e9fb; color: #3340a0; }
.chip.subject[data-s="Islamic Studies"] { background: #efe9fb; color: #5a35a8; }
.chip.subject[data-s="Pakistan Studies"] { background: #e6f6ec; color: #1e6b3f; }
.chip.subject[data-s="Urdu"] { background: #fff0e0; color: #9a4b00; }
.quiz-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 10px; }
.timer { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1.2rem; background: #fff; padding: 6px 12px; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.bar { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; margin-bottom: 14px; }
.bar div { height: 100%; width: 0; background: var(--green); transition: width .25s; }
.option .badge { margin-inline-start: auto; font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: rgba(0,0,0,.08); white-space: nowrap; }
.option.right .badge { background: var(--ok); color: #fff; }
.option.wrong .badge { background: var(--bad); color: #fff; }
.option.missed { border-color: var(--ok); background: var(--ok-soft); }
.option.missed .letter { background: var(--ok); color: #fff; }
.option.missed .badge { background: var(--ok); color: #fff; }
.skip-note { margin: -6px 0 14px; font-size: .9rem; font-weight: 600; color: var(--ok); }
.dot.skipped { background: #fff3cd; border-color: #e0a800; color: #7a4d00; }
.review-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.legend { font-size: .85rem; color: var(--muted); margin: 10px 0 14px; }
.legend .lg { display: inline-block; width: 14px; height: 14px; border-radius: 4px; vertical-align: -2px; margin: 0 4px 0 10px; border: 2px solid var(--line); }
.legend .lg.right { background: var(--ok); border-color: var(--ok); }
.legend .lg.tried { background: var(--bad-soft); border-color: var(--bad); }
.legend .lg.skipped { background: #fff3cd; border-color: #e0a800; }
.topnav { display: flex; gap: 6px; }
.topnav button { font: inherit; font-size: .85rem; font-weight: 600; color: #fff; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.35); border-radius: 8px; padding: 6px 12px; cursor: pointer; }
.topnav button:hover:not(:disabled) { background: rgba(255,255,255,.25); }
.topnav button:disabled { opacity: .4; cursor: not-allowed; }
@media (max-width: 480px) { .topnav button { padding: 6px 8px; font-size: .8rem; } .brand { font-size: 1.1rem; } }
.btn.submit-early { background: #fff8e1; border-color: #c98a0b; color: #7a4d00; }
.btn.submit-early:hover { background: #ffefb8; border-color: #c98a0b; }
.dot.done { background: var(--green-soft); border-color: var(--green); color: var(--green-dark); }
.dot.current { box-shadow: 0 0 0 2px var(--green); }
.review-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  background: #fff8e1; border: 1px solid #f0d98a; border-radius: 10px; padding: 10px 14px; margin-bottom: 14px; font-size: .9rem; }

.navigator { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.reset-link { color: var(--bad); text-decoration: underline; cursor: pointer; font-weight: 600; }
.reset-link:hover { color: #8e2a20; }
.jumpbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; font-size: .9rem; }
.jumpbar input { width: 90px; padding: 8px 10px; border: 2px solid var(--line); border-radius: 8px; font: inherit; margin-left: 6px; }
.jumpbar .btn { padding: 8px 14px; }
#breakdown { max-height: 320px; overflow-y: auto; }
.dot { flex: 0 0 auto; white-space: nowrap; min-width: 34px; width: auto; padding: 0 7px; height: 34px; border-radius: 8px; border: 2px solid var(--line); background: #fff; color: var(--ink);
  font-weight: 600; cursor: pointer; font-size: .85rem; }
.dot.current { border-color: var(--green); }
.dot.right { background: var(--ok); border-color: var(--ok); color: #fff; }
.dot.tried { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }

.passage { background: var(--bg); border-left: 4px solid var(--green); border-radius: 8px; padding: 14px 16px; margin-bottom: 18px;
  max-height: 340px; overflow-y: auto; line-height: 2.2;
  font-family: "Noto Nastaliq Urdu", "Jameel Noori Nastaleeq", "Segoe UI", serif; }
.passage-title { font-weight: 700; margin-bottom: 6px; color: var(--green); line-height: 1.5;
  font-family: "Segoe UI", system-ui, sans-serif; }
#passage-text { white-space: pre-wrap; }
#passage-text.poem { text-align: center; }
#passage-text.couplets { white-space: normal; text-align: start; }
.couplet { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; direction: rtl; }
.refrain { display: block; text-align: center; font-weight: 600; }
.refrain span { display: block; }
@media (max-width: 480px) { .passage { font-size: .9rem; } .couplet { gap: 0 8px; } }
#navigator { max-height: 118px; overflow-y: auto; padding: 2px; }
.text[dir="rtl"], h2[dir="rtl"] { font-family: "Noto Nastaliq Urdu", "Jameel Noori Nastaleeq", "Segoe UI", serif; line-height: 1.9; }
h2 { font-size: 1.25rem; line-height: 1.4; margin: 0 0 18px; }
.options { display: grid; gap: 10px; }
.option { display: flex; gap: 12px; align-items: center; width: 100%; text-align: left; padding: 13px 14px; border: 2px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--ink); font: inherit; cursor: pointer; transition: border-color .12s, background .12s; }
.option .letter { flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--bg); display: grid; place-items: center; font-weight: 700; font-size: .85rem; }
.option:hover:not(:disabled) { border-color: var(--green); }
.option.selected { border-color: var(--green); background: var(--green-soft); }
.option.selected .letter { background: var(--green); color: #fff; }
.option.wrong { border-color: var(--bad); background: var(--bad-soft); }
.option.wrong .letter { background: var(--bad); color: #fff; }
.option.right { border-color: var(--ok); background: var(--ok-soft); }
.option.right .letter { background: var(--ok); color: #fff; }
.option:disabled { cursor: default; }
.explain { margin-top: 14px; padding: 12px 14px; background: #eef4fb; border-left: 4px solid #3b7bbf; border-radius: 8px; line-height: 1.55; }
#explain-text { white-space: pre-line; }
.explain-title { font-weight: 700; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; color: #2a5d94; margin-bottom: 4px; }

#feedback { min-height: 1.6em; font-weight: 600; margin: 14px 0 6px; }
#feedback.ok { color: var(--ok); } #feedback.bad { color: var(--bad); }

.actions { display: flex; gap: 10px; justify-content: space-between; margin-top: 8px; }
.center-actions { justify-content: center; margin-top: 18px; }
.btn { font: inherit; font-weight: 600; padding: 10px 20px; border: 2px solid var(--green); border-radius: 10px; background: var(--green); color: #fff; cursor: pointer; }
.btn:hover:not(:disabled) { background: var(--green-dark); border-color: var(--green-dark); }
.btn.ghost { background: #fff; color: var(--green); }
.btn.ghost:hover:not(:disabled) { background: var(--green-soft); }
.btn.link { border: 0; background: none; color: var(--muted); display: block; margin: 14px auto 0; text-decoration: underline; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.score-ring { --p: 0; width: 130px; height: 130px; border-radius: 50%; margin: 0 auto 14px;
  background: conic-gradient(var(--green) calc(var(--p) * 1%), var(--line) 0); display: grid; place-items: center; position: relative; }
.score-ring::before { content: ""; position: absolute; inset: 12px; background: #fff; border-radius: 50%; }
.score-ring span { position: relative; font-size: 1.7rem; font-weight: 800; }
#breakdown { justify-content: center; }

@media (max-width: 480px) {
  .tagline { display: none; }
  .actions .btn { padding: 10px 12px; flex: 1; }
}