:root {
  --bg: #f4f6f5;
  --surface: #ffffff;
  --surface-2: #f7f9f8;
  --border: #dfe5e2;
  --text: #17221f;
  --muted: #5d6b67;
  --primary: #0f5a4e;
  --primary-hover: #0c4a40;
  --primary-soft: #e3f1ed;
  --accent: #c9a24a;
  --accent-soft: #fbf3dc;
  --good: #1f7a4d;
  --good-soft: #e3f4ea;
  --bad: #b3261e;
  --bad-soft: #fbe7e5;
  --warn: #b26a00;
  --warn-soft: #fff3dd;
  --shadow: 0 1px 2px rgba(20, 40, 35, .05), 0 6px 20px -8px rgba(20, 40, 35, .12);
  --radius: 14px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  line-height: 1.5; -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--serif); letter-spacing: -.01em; margin: 0 0 .4em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.05rem; }
a { color: var(--primary); }
.mono { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* ---------- top bar ---------- */
.topbar { background: var(--primary); color: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.15); position: sticky; top: 0; z-index: 20; }
.topbar-inner { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; border-radius: 9px; background: var(--accent); color: var(--primary); font-family: var(--serif); font-weight: 700; font-size: 1.3rem; display: grid; place-items: center; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; font-weight: 600; }
.brand-text small { font-weight: 400; opacity: .75; font-size: .75rem; }
.name-short { display: none; }
.nav { display: flex; gap: 4px; align-items: center; }
.nav-burger { display: none; font: inherit; font-size: 1.4rem; background: none; border: 0; color: #fff; padding: 6px 10px; cursor: pointer; }
.nav-group { position: relative; }
.nav-group > .nav-link { background: none; border: 0; font: inherit; cursor: pointer; }
.nav-group > .nav-link::after { content: " ▾"; font-size: .75em; opacity: .8; }
.nav-menu { position: absolute; top: 100%; left: 0; min-width: 190px; background: #fff; border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); padding: 6px; display: none; z-index: 30; }
.nav-group.open .nav-menu, .nav-group:hover .nav-menu { display: block; }
.nav-menu a { display: block; padding: 9px 12px; border-radius: 7px; color: var(--text); text-decoration: none; font-size: .92rem; font-weight: 500; }
.nav-menu a:hover { background: var(--primary-soft); color: var(--primary); }
.nav-upload { border: 1px solid rgba(255,255,255,.35); margin-left: 6px; }
.nav-context { color: rgba(255,255,255,.6); font-size: .8rem; padding: 0 10px 0 4px; max-width: 220px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.section-title { text-align: center; margin: 0 0 18px; color: var(--muted); font-size: 1.1rem; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; }
.form-actions .btn { margin-top: 0; }
.nav-link { color: rgba(255,255,255,.85); text-decoration: none; white-space: nowrap; padding: 9px 14px; border-radius: 8px; font-weight: 500; font-size: .95rem; }
.nav-link:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-link.active { background: rgba(255,255,255,.16); color: #fff; }

/* ---------- layout ---------- */
.page { max-width: 1180px; margin: 0 auto; padding: 32px 24px 64px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero { margin-bottom: 26px; }
.hero-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.hero-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.lede { color: var(--muted); max-width: 62ch; margin: 0; }
.footer { max-width: 1180px; margin: 0 auto; padding: 18px 24px 40px; color: var(--muted); font-size: .8rem; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- forms ---------- */
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
select, input[type=text], input[type=search] {
  width: 100%; font: inherit; padding: 11px 12px; border: 1px solid var(--border); border-radius: 9px; background: #fff; color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
select:focus, input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
select:disabled, input:disabled { background: var(--surface-2); color: var(--muted); }
.hint { color: var(--muted); font-size: .82rem; margin: 6px 0 0; min-height: 1.2em; }
.error { color: var(--bad); background: var(--bad-soft); padding: 10px 14px; border-radius: 8px; font-size: .9rem; margin: 12px 0 0; }

.btn {
  font: inherit; font-weight: 600; font-size: .95rem; padding: 11px 18px; border-radius: 9px; border: 1px solid transparent; cursor: pointer;
  text-decoration: none; display: inline-flex; align-items: center; gap: 6px; line-height: 1.2; transition: background .15s, transform .05s, box-shadow .15s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; }
.btn-sm { padding: 7px 12px; font-size: .85rem; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-secondary { background: #fff; color: var(--primary); border-color: var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--primary-soft); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }
.btn-ghost[aria-pressed=true] { color: var(--warn); background: var(--warn-soft); }
.btn-finish { background: var(--accent); color: #2b2408; }
.btn-finish:hover { background: #b8913c; }
.btn-danger-ghost { background: transparent; color: var(--bad); border-color: var(--border); }
.btn-danger-ghost:hover { background: var(--bad-soft); }

/* ---------- setup ---------- */
.setup-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 1fr); gap: 22px; align-items: start; }
.setup-card { padding: 28px; }
.step { display: grid; grid-template-columns: 36px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border); transition: opacity .2s; }
.step:first-child { padding-top: 0; }
.step[data-disabled] { opacity: .5; }
.step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: .9rem; }
.step[data-disabled] .step-num { background: var(--border); color: var(--muted); }
.range-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sub-label { font-size: .8rem; color: var(--muted); font-weight: 500; margin-bottom: 4px; }
.presets { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
.presets .sub-label { margin: 0; }
.chip { font: inherit; font-size: .82rem; font-weight: 600; padding: 6px 12px; border-radius: 99px; border: 1px solid var(--border); background: #fff; color: var(--primary); cursor: pointer; }
.chip:hover { background: var(--primary-soft); }
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.setup-actions { padding-top: 22px; display: flex; justify-content: flex-end; }
.summary-card { padding: 24px; position: sticky; top: 90px; }
.summary-list { margin: 0 0 18px; display: grid; gap: 10px; }
.summary-list div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--border); padding-bottom: 8px; }
.summary-list dt { color: var(--muted); font-size: .88rem; }
.summary-list dd { margin: 0; font-weight: 600; text-align: right; }
.rules { background: var(--surface-2); border-radius: 10px; padding: 14px 16px; font-size: .88rem; }
.rules ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); }
.rules li { margin-bottom: 4px; }

/* ---------- home ---------- */
.home-hero { text-align: center; padding: 28px 0 30px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; font-weight: 600; color: var(--accent); margin: 0 0 8px; }
.home-hero h1 { font-size: 2.6rem; }
.home-hero .lede { margin: 0 auto; }
.home-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; max-width: 860px; margin: 0 auto; }
.home-card { padding: 30px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 8px; transition: transform .15s, box-shadow .15s; }
.home-card:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -10px rgba(20,40,35,.25); }
.home-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 6px; }
.home-card p { color: var(--muted); margin: 0; flex: 1; }
.home-cta { color: var(--primary); font-weight: 600; margin-top: 8px; }
.home-stats { display: flex; justify-content: center; gap: 40px; margin-top: 36px; flex-wrap: wrap; }
.home-stats div { text-align: center; }
.home-stats strong { display: block; font-family: var(--serif); font-size: 1.8rem; color: var(--primary); }
.home-stats span { color: var(--muted); font-size: .85rem; }

.type-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; max-width: 980px; margin: 0 auto; }
.type-card { padding: 26px; display: flex; flex-direction: column; gap: 8px; }
.type-card h2 { margin: 0; }
.type-card p { color: var(--muted); margin: 0; flex: 1; }
.type-card .type-count { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.type-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.type-actions .btn { flex: 1; justify-content: center; }
.rules-ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: .9rem; }
.rules-ol li { margin-bottom: 8px; }
.notice { padding: 24px 28px; }
.notice p { color: var(--muted); margin: 0; }
.auth-card { padding: 28px; max-width: 440px; display: grid; gap: 4px; }
.auth-card label { margin-top: 10px; }
.auth-card .btn { margin-top: 16px; justify-content: center; }
.signed-in-bar { padding: 12px 18px; display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; font-size: .92rem; }
.new-type { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; padding: 14px; background: var(--surface-2); border-radius: 10px; }
.preview { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: var(--surface-2); font-size: .88rem; }
.preview.bad { background: var(--bad-soft); color: var(--bad); }
.preview ul { margin: 6px 0 0; padding-left: 18px; }
.format-example { font-size: .78rem; background: #1d2b28; color: #e5eeeb; padding: 14px; border-radius: 10px; overflow-x: auto; margin: 10px 0 0; }
input[type=file] { font: inherit; padding: 10px; border: 1px dashed var(--border); border-radius: 9px; width: 100%; background: var(--surface-2); }
input[type=number], input[type=email], input[type=password] { width: 100%; font: inherit; padding: 11px 12px; border: 1px solid var(--border); border-radius: 9px; background: #fff; color: var(--text); }
input[type=number]:focus, input[type=email]:focus, input[type=password]:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
code { font-size: .88em; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }

.manage-card { padding: 24px 28px; margin-top: 20px; }
.manage-select { max-width: 320px; }
.manage-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.manage-list li { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px; }
.manage-list li .m-title { flex: 1; font-weight: 500; }
.manage-list li .m-meta { color: var(--muted); font-size: .82rem; }
.danger-card { border-color: #f0c9c6; }
.btn-danger { background: var(--bad); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #8f1d17; }
@media (max-width: 560px) { .manage-list li { flex-wrap: wrap; } .manage-list li .m-meta { width: 100%; } }

/* ---------- contributor guide ---------- */
.guide-links { margin: 14px 0 0; display: flex; gap: 8px; flex-wrap: wrap; }
.guide-aside { padding: 20px 22px; position: sticky; top: 90px; max-height: calc(100vh - 110px); overflow: auto; }
.guide-toggle { display: none; }
.guide-aside h2 { font-size: 1.15rem; margin-bottom: 4px; }
.guide-step { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-top: 10px; opacity: .6; transition: opacity .15s, border-color .15s, background .15s; }
.guide-step.active { opacity: 1; border-color: var(--primary); background: var(--primary-soft); }
.guide-step h3 { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; font-size: 1rem; }
.g-num { width: 22px; height: 22px; border-radius: 50%; background: var(--primary); color: #fff; font-family: var(--font); font-size: .78rem; font-weight: 700; display: grid; place-items: center; flex-shrink: 0; }
.guide-step ul { margin: 0; padding-left: 18px; font-size: .86rem; color: var(--text); }
.guide-step li { margin-bottom: 5px; }
.g-fields { margin: 6px 0 0; font-size: .86rem; }
.g-fields dt { font-weight: 600; margin-top: 8px; }
.g-fields dd { margin: 2px 0 0; color: var(--muted); }
.guide-step code { font-size: .8em; background: #fff; }
.guide-page { padding: 30px 36px; max-width: 860px; line-height: 1.6; }
.guide-page h1 { font-size: 1.9rem; margin-bottom: 12px; }
.guide-page h2 { margin-top: 30px; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.guide-page h3 { margin-top: 22px; }
.guide-page p, .guide-page li { color: var(--text); }
.guide-page ul, .guide-page ol { padding-left: 22px; }
.guide-page li { margin-bottom: 6px; }
.guide-table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 10px 0 16px; }
.guide-table th, .guide-table td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
.guide-table th { background: var(--surface-2); }

/* ---------- quiz ---------- */
.quiz-header { padding: 16px 22px; margin-bottom: 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; position: relative; }
.quiz-exit { position: absolute; top: 10px; right: 14px; font-size: .8rem; color: var(--muted); text-decoration: none; font-weight: 600; }
.quiz-exit:hover { color: var(--bad); }
.map-toggle { font: inherit; background: none; border: 0; padding: 0; display: flex; align-items: center; gap: 6px; cursor: pointer; color: inherit; }
.map-toggle h3 { margin: 0; }
.map-toggle .chev { display: none; color: var(--muted); }
.mobile-bar { display: none; }
.quiz-meta { display: flex; gap: 28px; flex-wrap: wrap; flex: 1; }
.quiz-meta div { display: flex; flex-direction: column; }
.meta-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.progress { display: flex; align-items: center; gap: 12px; min-width: 240px; }
.progress-bar { flex: 1; height: 8px; border-radius: 99px; background: var(--border); overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary); width: 0; transition: width .25s; }
.progress-text { font-size: .85rem; color: var(--muted); white-space: nowrap; }

.quiz-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: start; }
.question-card { padding: 28px 32px; }
.question-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.q-index { font-weight: 700; color: var(--primary); }
.q-tag { background: var(--primary-soft); color: var(--primary); font-size: .8rem; padding: 3px 9px; border-radius: 6px; }
.q-type { background: var(--surface-2); color: var(--muted); font-size: .78rem; padding: 3px 9px; border-radius: 6px; }
.question-top .btn { margin-left: auto; }
.q-text { font-family: var(--font); font-size: 1.15rem; font-weight: 500; line-height: 1.55; margin: 0 0 22px; }
.options { display: grid; gap: 10px; }
.option {
  display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: center; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: 11px; cursor: pointer;
  background: #fff; transition: border-color .12s, background .12s;
}
.option:hover { border-color: #b7c7c1; background: var(--surface-2); }
.option input { position: absolute; opacity: 0; pointer-events: none; }
.option .letter { width: 32px; height: 32px; border-radius: 50%; border: 1.5px solid var(--border); display: grid; place-items: center; font-weight: 700; font-size: .9rem; color: var(--muted); }
.option.selected { border-color: var(--primary); background: var(--primary-soft); }
.option.selected .letter { background: var(--primary); color: #fff; border-color: var(--primary); }
.option:focus-within { box-shadow: 0 0 0 3px var(--primary-soft); }
.question-nav { display: flex; gap: 10px; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--border); }
.question-nav .btn-primary { margin-left: auto; }

.map-card { padding: 18px; position: sticky; top: 90px; }
.map-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.map-head h3 { margin: 0; }
.map-legend { display: flex; gap: 12px; font-size: .75rem; color: var(--muted); margin-bottom: 12px; flex-wrap: wrap; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; border: 1px solid var(--border); }
.dot-answered { background: var(--primary); border-color: var(--primary); }
.dot-flagged { background: var(--accent); border-color: var(--accent); }
.dot-current { background: #fff; border: 2px solid var(--primary); }
.map-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(38px, 1fr)); gap: 6px; max-height: 46vh; overflow: auto; padding: 2px; }
.map-cell {
  font: inherit; font-size: .8rem; font-weight: 600; height: 36px; border-radius: 7px; border: 1px solid var(--border); background: #fff; color: var(--muted); cursor: pointer; position: relative;
}
.map-cell.answered { background: var(--primary); color: #fff; border-color: var(--primary); }
.map-cell.flagged::after { content: ""; position: absolute; top: 3px; right: 3px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.map-cell.current { outline: 2px solid var(--primary); outline-offset: 1px; }
.map-stats { margin-top: 12px; font-size: .82rem; color: var(--muted); display: flex; justify-content: space-between; }

/* ---------- score ---------- */
.score-card { padding: 34px; display: grid; grid-template-columns: 220px 1fr; gap: 34px; align-items: center; margin-bottom: 20px; }
.score-ring { width: 200px; height: 200px; border-radius: 50%; background: conic-gradient(var(--ring, var(--primary)) calc(var(--pct) * 1%), var(--border) 0); display: grid; place-items: center; margin: 0 auto; }
.score-ring-inner { width: 160px; height: 160px; border-radius: 50%; background: #fff; display: grid; place-items: center; align-content: center; text-align: center; }
.score-ring-inner span { font-family: var(--serif); font-size: 2.6rem; font-weight: 700; line-height: 1; }
.score-ring-inner small { color: var(--muted); font-weight: 600; margin-top: 4px; }
.score-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 20px 0; }
.score-stats div { background: var(--surface-2); border-radius: 10px; padding: 12px 14px; }
.score-stats dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.score-stats dd { margin: 2px 0 0; font-size: 1.4rem; font-weight: 700; }
.good { color: var(--good); } .bad { color: var(--bad); }
.save-status { font-size: .88rem; color: var(--muted); margin: 0 0 16px; }
.save-status.ok { color: var(--good); } .save-status.err { color: var(--bad); }
.score-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.review-card { padding: 26px 30px; }
.review-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.toggle { display: flex; align-items: center; gap: 8px; font-weight: 500; font-size: .9rem; margin: 0; }
.review-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.review-item { border: 1px solid var(--border); border-left-width: 5px; border-radius: 10px; padding: 16px 18px; }
.review-item.correct { border-left-color: var(--good); }
.review-item.wrong { border-left-color: var(--bad); }
.review-item.skipped { border-left-color: var(--warn); }
.review-item .rv-top { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; font-size: .85rem; }
.rv-badge { padding: 2px 9px; border-radius: 6px; font-weight: 600; font-size: .78rem; }
.rv-badge.correct { background: var(--good-soft); color: var(--good); }
.rv-badge.wrong { background: var(--bad-soft); color: var(--bad); }
.rv-badge.skipped { background: var(--warn-soft); color: var(--warn); }
.rv-q { font-weight: 500; margin: 0 0 10px; }
.rv-opts { display: grid; gap: 5px; margin: 0; padding: 0; list-style: none; font-size: .92rem; }
.rv-opts li { padding: 7px 10px; border-radius: 7px; display: flex; gap: 10px; }
.rv-opts li b { min-width: 18px; }
.rv-opts li.is-correct { background: var(--good-soft); color: var(--good); }
.rv-opts li.is-chosen.is-wrong { background: var(--bad-soft); color: var(--bad); text-decoration: line-through; }
.rv-opts li .tag { margin-left: auto; font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

/* ---------- results ---------- */
.results-toolbar { padding: 12px 16px; display: flex; gap: 14px; align-items: center; margin-bottom: 14px; }
.results-toolbar input { max-width: 360px; padding: 9px 12px; }
.table-wrap { overflow-x: auto; }
.results-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.results-table th, .results-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.results-table th { background: var(--surface-2); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.results-table tbody tr:hover { background: var(--surface-2); }
.results-table .num { text-align: right; }
.results-table td.num { font-variant-numeric: tabular-nums; }
.pct-pill { display: inline-block; padding: 2px 10px; border-radius: 99px; font-weight: 600; font-size: .85rem; }
.pct-pill.hi { background: var(--good-soft); color: var(--good); }
.pct-pill.mid { background: var(--warn-soft); color: var(--warn); }
.pct-pill.lo { background: var(--bad-soft); color: var(--bad); }
.src-pill { font-size: .75rem; color: var(--muted); background: var(--surface-2); padding: 2px 8px; border-radius: 6px; }
.empty { padding: 40px; text-align: center; color: var(--muted); margin: 0; }
.back-link { display: inline-block; margin-bottom: 14px; text-decoration: none; font-weight: 500; }

/* ---------- modal ---------- */
.modal { position: fixed; inset: 0; background: rgba(15, 30, 26, .45); display: grid; place-items: center; z-index: 50; padding: 20px; }
.modal-box { padding: 26px 28px; max-width: 440px; width: 100%; }
.modal-box p { color: var(--muted); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ---------- loading ---------- */
.loading { padding: 60px; text-align: center; color: var(--muted); }
.spinner { width: 28px; height: 28px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; margin: 0 auto 12px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .nav-burger { display: block; }
  .topbar.inline-nav .nav-burger { display: none; }
  .topbar.inline-nav .nav { display: flex; position: static; flex-direction: row; padding: 0; background: none; box-shadow: none; gap: 0; }
  .topbar.inline-nav .nav-link { padding: 8px 8px; font-size: .88rem; }
  .topbar.inline-nav .nav-context { display: none; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--primary); flex-direction: column; align-items: stretch; padding: 8px 12px 14px; gap: 2px; box-shadow: 0 8px 20px rgba(0,0,0,.2); }
  .nav.open { display: flex; }
  .nav-link { padding: 12px 14px; font-size: 1rem; }
  .nav-group > .nav-link { width: 100%; text-align: left; }
  .nav-menu { position: static; display: none; background: rgba(255,255,255,.08); border: 0; box-shadow: none; padding: 2px 8px 6px 18px; }
  .nav-group.open .nav-menu { display: block; }
  .nav-group:hover .nav-menu { display: none; }
  .nav-group.open:hover .nav-menu { display: block; }
  .nav-menu a { color: #fff; padding: 10px 12px; }
  .nav-menu a:hover { background: rgba(255,255,255,.12); color: #fff; }
  .nav-upload { margin: 6px 0 0; border-color: rgba(255,255,255,.35); text-align: center; }
  .new-type { grid-template-columns: 1fr; }
  .setup-grid, .quiz-layout, .score-card { grid-template-columns: 1fr; }
  .summary-card, .map-card, .guide-aside { position: static; max-height: none; }
  .guide-toggle { display: block; width: 100%; font: inherit; font-weight: 600; padding: 12px; border-radius: 9px; border: 1px solid var(--border); background: var(--primary-soft); color: var(--primary); cursor: pointer; }
  .guide-aside .guide-body { display: none; margin-top: 14px; }
  .guide-aside.open .guide-body { display: block; }
  .guide-aside { padding: 12px; order: -1; }
  .guide-page { padding: 20px; }
  .summary-card .rules { display: none; }
  .home-cards { grid-template-columns: 1fr; }
  .home-hero h1 { font-size: 2rem; }
  .map-grid { max-height: 220px; }
  .map-toggle .chev { display: inline; }
  .score-stats { grid-template-columns: repeat(2, 1fr); }
  .question-card { padding: 22px; }
  /* quiz: compact header, bottom action bar, map hidden until requested */
  .quiz-header { padding: 12px 16px 12px; gap: 10px 18px; }
  .quiz-meta { gap: 14px 18px; font-size: .9rem; }
  .quiz-exit { top: 8px; right: 12px; }
  .progress { min-width: 0; width: 100%; }
  .question-nav { display: none; }
  .map-card { display: none; }
  .map-card.open { display: block; }
  .mobile-bar {
    display: grid; grid-template-columns: 56px 1fr 1fr 1.4fr; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: var(--surface); border-top: 1px solid var(--border); box-shadow: 0 -4px 16px rgba(20,40,35,.08);
  }
  .mobile-bar .btn { justify-content: center; padding: 12px 10px; min-height: 46px; }
  #view-quiz { padding-bottom: 84px; }
  .option { padding: 14px 14px; min-height: 52px; }
  .q-text { font-size: 1.05rem; }
  .review-card, .score-card { padding: 20px; }
  .score-ring { width: 160px; height: 160px; }
  .score-ring-inner { width: 126px; height: 126px; }
  .score-ring-inner span { font-size: 2rem; }
  .score-actions .btn { flex: 1 1 45%; justify-content: center; }
  /* results table -> stacked cards */
  .results-table thead { display: none; }
  .results-table, .results-table tbody, .results-table tr, .results-table td { display: block; width: 100%; }
  .results-table tr { padding: 12px 14px 14px; border-bottom: 1px solid var(--border); position: relative; }
  .results-table td { padding: 2px 0; border: 0; white-space: normal; text-align: left !important; }
  .results-table td.num { display: inline-block; width: auto; margin-right: 14px; }
  .results-table td:first-child { color: var(--muted); font-size: .8rem; }
  .results-table td:nth-child(2) { font-size: 1.05rem; }
  .results-table td:last-child { position: absolute; top: 12px; right: 12px; width: auto; }
  .results-toolbar { flex-direction: column; align-items: stretch; gap: 6px; }
  .results-toolbar input { max-width: none; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
}
@media (max-width: 560px) {
  .topbar-inner { padding: 0 14px; }
  .brand-text small { display: none; }
  .brand-text { font-size: .9rem; white-space: nowrap; }
  .name-long { display: none; } .name-short { display: inline; }
  .brand-mark { width: 32px; height: 32px; font-size: 1.1rem; flex-shrink: 0; }
  .brand { gap: 8px; min-width: 0; }
  .topbar-inner { height: 56px; gap: 8px; }
  .nav-link { padding: 8px 9px; font-size: .85rem; }
  .quiz-exit { position: static; width: 100%; text-align: right; order: 3; margin-top: -4px; }
  .page { padding: 20px 14px 48px; }
  h1 { font-size: 1.6rem; }
  .custom-range { grid-template-columns: 1fr; }
  .range-row { grid-template-columns: 1fr 1fr; }
  .step { grid-template-columns: 28px 1fr; gap: 12px; }
  .step-num { width: 26px; height: 26px; font-size: .8rem; }
  .setup-card { padding: 20px; }
  .setup-actions .btn { width: 100%; justify-content: center; }
  .form-actions { flex-direction: column-reverse; }
  .form-actions .btn { width: 100%; justify-content: center; }
  .footer { padding-bottom: 100px; }
}
@media print {
  .topbar, .footer, .score-actions, .hero-actions, .results-toolbar, .btn, .mobile-bar, .back-link { display: none !important; }
  .card { box-shadow: none; }
}