/* 配色取自課程簡報：深藍＋金＋米白 */
:root {
  --navy: #0b1f4b;
  --navy-2: #16306a;
  --ink: #1e2a44;
  --ink-2: #4a5470;
  --muted: #7a8296;
  --gold: #d4932f;
  --gold-deep: #9a6516;
  --gold-soft: #f3e2c3;
  --gold-tint: #fbf3e4;
  --paper: #fbf8f2;
  --card: #ffffff;
  --line: #ebe3d4;
  --radius: 14px;
  --serif: 'Noto Serif TC', 'Songti TC', serif;
  --sans: 'Noto Sans TC', -apple-system, 'PingFang TC', sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.7;
}
button { font: inherit; cursor: pointer; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }

/* ── 開場 ─────────────────────────────── */
.hero {
  background: radial-gradient(120% 90% at 50% 0%, var(--navy-2) 0%, var(--navy) 70%);
  color: #fff; padding: 56px 0 72px; text-align: center;
}
.hero .course { color: var(--gold-soft); letter-spacing: .12em; font-size: 14px; }
.hero h1 { font-family: var(--serif); font-weight: 900; font-size: clamp(34px, 8vw, 48px); margin: 10px 0 4px; letter-spacing: .06em; }
.hero .sub { font-family: var(--serif); font-size: clamp(17px, 4.4vw, 21px); color: #e8dcc4; }
.hero .rule { width: 64px; height: 2px; background: var(--gold); margin: 22px auto 0; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 20px; box-shadow: 0 1px 2px rgba(11,31,75,.04), 0 8px 24px rgba(11,31,75,.05);
}
.intro-card { margin-top: -40px; position: relative; }
.intro-card ul { margin: 0 0 20px; padding-left: 1.2em; color: var(--ink-2); }
.chips-preview { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; }
.chips-preview span { border: 1px solid var(--gold-soft); background: var(--gold-tint); color: var(--gold-deep); border-radius: 999px; padding: 3px 12px; font-size: 14px; font-weight: 500; }

label.field { display: block; margin-bottom: 14px; }
label.field span { display: block; font-size: 14px; font-weight: 500; color: var(--ink-2); margin-bottom: 6px; }
label.field input {
  width: 100%; font: inherit; font-size: 17px; padding: 12px 14px; border-radius: 10px;
  border: 1px solid #d9d2c3; background: #fff; color: var(--ink);
}
label.field input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,147,47,.18); }
.err { color: #b4332a; font-size: 14px; min-height: 1.4em; margin: 0 0 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 0 28px; border-radius: 999px; border: 0;
  background: var(--navy); color: #fff; font-weight: 700; font-size: 17px; letter-spacing: .04em;
}
.btn:hover { background: var(--navy-2); }
.btn.gold { background: var(--gold); color: #1b1305; }
.btn.gold:hover { background: #c7862a; }
.btn.ghost { background: transparent; color: var(--navy); border: 1px solid #cfc6b4; }
.btn[disabled] { opacity: .45; cursor: default; }
.btn.block { width: 100%; }
.small-note { text-align: center; color: var(--muted); font-size: 13px; margin: 14px 0 40px; }

/* ── 作答 ─────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 5; background: rgba(251,248,242,.94);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; gap: 12px; padding-top: 10px; padding-bottom: 10px; }
.steps { display: flex; gap: 6px; flex: 1; }
.steps i { flex: 1; height: 4px; border-radius: 4px; background: #e6dfcf; overflow: hidden; position: relative; }
.steps i b { position: absolute; inset: 0; width: 0; background: var(--gold); transition: width .25s; }
.count { font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }

.sec-head { padding: 28px 0 8px; }
.sec-head .no { color: var(--gold-deep); font-weight: 700; font-size: 14px; letter-spacing: .1em; }
.sec-head h2 { font-family: var(--serif); font-size: 28px; margin: 2px 0 4px; color: var(--navy); }
.sec-head p { margin: 0; color: var(--ink-2); }

.q { margin: 14px 0; padding: 18px 18px 16px; scroll-margin-top: 70px; transition: border-color .2s, box-shadow .2s, background .2s; }
.q.missing { border-color: #e8542c; box-shadow: 0 0 0 2px #e8542c; background: #fff5f1; } /* 漏答：橘紅粗框＋淡底，用陰影加粗不會推動版面 */
.q.flash { animation: miss-flash .5s ease-in-out 2; } /* 漏答時卡片閃兩下 */
@keyframes miss-flash { 50% { background: #ffd9c7; } }
@media (prefers-reduced-motion: reduce) { .q.flash { animation: none; } }
.q .qt { display: flex; gap: 10px; margin: 0 0 14px; font-size: 17px; }
.q .qn { color: var(--gold-deep); font-weight: 700; font-variant-numeric: tabular-nums; flex: none; }
.scale { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.scale button {
  height: 48px; border-radius: 10px; border: 1px solid #d9d2c3; background: #fff;
  color: var(--ink); font-weight: 700; font-size: 17px; transition: background .15s, border-color .15s;
}
.scale button:hover { border-color: var(--gold); }
.scale button[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.scale-ends { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--muted); margin-top: 6px; }

.nav { display: flex; gap: 12px; padding: 18px 0 48px; }
.nav .btn { flex: 1; }

/* ── 猜一猜 ───────────────────────────── */
.guess h2 { font-family: var(--serif); color: var(--navy); font-size: 26px; margin: 28px 0 6px; }
.guess p { color: var(--ink-2); margin: 0 0 18px; }
.guess h3 { font-size: 16px; margin: 18px 0 10px; }
.pick { display: flex; flex-wrap: wrap; gap: 8px; }
.pick button { min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1px solid #d9d2c3; background: #fff; color: var(--ink); }
.pick button[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.pick button[disabled] { opacity: .35; }

/* ── 結果頁 ───────────────────────────── */
.result-bar { display: flex; gap: 10px; flex-wrap: wrap; padding: 20px 0 12px; }
.result-bar .btn { flex: 1 1 200px; }
.loading { text-align: center; padding: 80px 0; color: var(--ink-2); }

/* ── 報告（螢幕版，可伸縮） ───────────── */
.report { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 40px; }
.rp-head { background: var(--navy); color: #fff; padding: 22px 22px 20px; display: flex; justify-content: space-between; gap: 16px; align-items: flex-end; border-bottom: 3px solid var(--gold); }
.rp-course { color: var(--gold-soft); font-size: 12.5px; letter-spacing: .1em; }
.rp-head h2 { font-family: var(--serif); font-weight: 900; font-size: 28px; margin: 2px 0 0; letter-spacing: .05em; }
.rp-sub { font-family: var(--serif); color: #e1d4bb; font-size: 15px; }
.rp-who { text-align: right; display: flex; flex-direction: column; }
.rp-who b { font-size: 18px; }
.rp-who span { color: #c9cfdd; font-size: 13px; font-variant-numeric: tabular-nums; }
.rp-summary { margin: 18px 22px 0; padding: 14px 16px; background: var(--gold-tint); border-left: 3px solid var(--gold); border-radius: 0 8px 8px 0; font-size: 16px; }
.rp-main { display: grid; grid-template-columns: 1fr; gap: 4px; padding: 6px 22px 0; align-items: center; }
.rp-chart { max-width: 380px; margin: 0 auto; width: 100%; }
.radar { width: 100%; height: auto; display: block; }
.rd-label { font: 700 18px var(--sans); fill: var(--ink); }
.rd-value { font: 700 19px var(--sans); fill: var(--gold-deep); font-variant-numeric: tabular-nums; }
.rd-tick { font: 400 12px var(--sans); fill: #a39c8c; }
.rp-side h3 { font-size: 14px; color: var(--ink-2); font-weight: 500; margin: 0 0 8px; letter-spacing: .06em; }
.rp-rows { list-style: none; margin: 0; padding: 0; }
.rp-rows li { display: grid; grid-template-columns: 6.2em 1fr 2.4em 2.2em; align-items: center; gap: 10px; padding: 7px 0; border-bottom: 1px solid #f1ebdf; }
.rp-dim { font-weight: 500; }
.rp-bar { height: 8px; background: #f1ebdf; border-radius: 4px; overflow: hidden; }
.rp-bar span { display: block; height: 100%; background: var(--gold); border-radius: 0 4px 4px 0; }
.rp-num { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.rp-tag { display: inline-block; text-align: center; font-size: 12.5px; font-weight: 700; border-radius: 6px; padding: 1px 7px; line-height: 1.6; }
.rp-high { background: var(--navy); color: #fff; }
.rp-mid { background: var(--gold-soft); color: var(--gold-deep); }
.rp-low { background: #fff; color: var(--ink-2); border: 1px solid #cfc6b4; }
.rp-guess { margin-top: 14px; font-size: 14px; color: var(--ink-2); display: grid; gap: 4px; }
.rp-guess div { display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.rp-guess b { color: var(--ink); }
.rp-guess i { font-style: normal; color: var(--muted); }
.rp-guess em { font-style: normal; color: var(--gold-deep); font-weight: 700; }
.rp-notes { display: grid; grid-template-columns: 1fr; gap: 12px; padding: 18px 22px 4px; }
.rp-note h4 { margin: 0 0 4px; font-size: 16px; color: var(--navy); display: flex; gap: 8px; align-items: center; }
.rp-note p { margin: 0; color: var(--ink-2); font-size: 15px; line-height: 1.7; }
.rp-foot { margin: 14px 22px 18px; padding-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

@media (min-width: 640px) {
  .rp-main { grid-template-columns: 1.05fr 1fr; gap: 20px; }
  .rp-notes { grid-template-columns: 1fr 1fr; }
}

/* ── PDF 用的固定 A4 版（794×1122 px） ── */
#pdf-stage { position: fixed; left: 0; top: 0; z-index: -1; pointer-events: none; }
.a4 { width: 794px; height: 1122px; background: #fff; overflow: hidden; }
.a4 .report { border: 0; border-radius: 0; margin: 0; height: 100%; display: flex; flex-direction: column; }
.a4 .rp-head { padding: 30px 44px 24px; }
.a4 .rp-head h2 { font-size: 34px; }
.a4 .rp-sub { font-size: 16px; }
.a4 .rp-summary { margin: 22px 44px 0; font-size: 15.5px; }
.a4 .rp-main { grid-template-columns: 340px 1fr; gap: 26px; padding: 8px 44px 0; }
.a4 .rp-chart { max-width: none; }
.a4 .rp-notes { grid-template-columns: 1fr 1fr; gap: 14px 26px; padding: 14px 44px 0; }
.a4 .rp-note p { font-size: 13.5px; line-height: 1.65; }
.a4 .rp-note h4 { font-size: 15px; }
.a4 .rp-foot { margin: auto 44px 26px; }

@media print {
  body { background: #fff; }
  .topbar, .result-bar, .nav, #pdf-stage { display: none !important; }
  .report { border: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }