/* 版面概念：校園小路 —— 首頁沿用主視覺的小路，闖關地圖是一條由起點走向金色終點旗的路線。 */
:root {
  --navy: #1f3a5f;
  --navy-deep: #142840;
  --gold: #c9a227;
  --gold-soft: #f3e6bd;
  --green: #3e8e5e;
  --green-soft: #e3f1e8;
  --red: #c0392b;
  --red-soft: #f8e1de;
  --paper: #fbf7ee;
  --card: #ffffff;
  --ink: #1d2733;
  --muted: #5d6a78;
  --line: #e6dfcf;
  --display: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --body: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  --r: 14px;
  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(--body);
  font-size: 16px;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
[hidden] { display: none !important; }

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.narrow { max-width: 720px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small-note { font-size: 14px; }

/* 頂部列 */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--navy);
  color: #fff;
  padding-top: env(safe-area-inset-top, 0px);
}
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 58px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; letter-spacing: .04em; min-width: 0; }
.brand img { width: 34px; height: 34px; border-radius: 8px; background: #fff; }
.brand span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav { display: flex; gap: 4px; flex-shrink: 0; }
.nav button { background: none; border: 0; color: #dfe7f1; padding: 8px 12px; border-radius: 8px; font-size: 15px; }
.nav button:hover, .nav button.on { background: rgba(255,255,255,.12); color: #fff; }

/* 按鈕 */
.btn { border: 0; border-radius: 999px; padding: 13px 26px; font-weight: 700; font-size: 16px; letter-spacing: .03em; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:active { transform: translateY(1px); }
.btn-gold { background: var(--gold); color: var(--navy-deep); box-shadow: 0 4px 0 #9c7c17; }
.btn-gold:hover { background: #d6b03a; }
.btn-navy { background: var(--navy); color: #fff; box-shadow: 0 4px 0 var(--navy-deep); }
.btn-navy:hover { background: #28497a; }
.btn-ghost { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn-ghost:hover { background: rgba(31,58,95,.06); }
.btn-red { background: var(--red); color: #fff; }
.btn.small { padding: 8px 16px; font-size: 14px; }
.btn.wide { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.link { background: none; border: 0; color: var(--navy); font-weight: 700; padding: 4px 0; }

.view { padding-block: 32px 56px; }
#v-home { padding-top: 0; }

/* 首頁 */
.hero { position: relative; overflow: hidden; background: #fbf4e6; }
.hero-img { width: 100%; height: clamp(420px, 62vw, 640px); object-fit: cover; object-position: right center; }
.hero-copy { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; }
.hero-copy > * { max-width: min(440px, 32vw); }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #fbf4e6 0%, rgba(251,244,230,.92) 30%, rgba(251,244,230,0) 46%); pointer-events: none; }
.hero-copy { z-index: 1; }
.eyebrow { margin: 0 0 8px; color: var(--green); font-weight: 700; letter-spacing: .2em; font-size: 14px; }
.hero h1 {
  font-family: var(--display); font-weight: 900; color: var(--navy);
  font-size: clamp(40px, 6.4vw, 76px); line-height: 1.12; margin: 0 0 18px; letter-spacing: .02em;
  text-wrap: balance;
}
.hero h1 span { color: var(--gold); -webkit-text-stroke: 1px #a8861c; }
.lead { font-size: 17px; color: #3b4756; margin: 0 0 24px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-row.center { justify-content: center; }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: -36px; position: relative; }
.fact { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 12px; text-align: center; box-shadow: 0 6px 20px rgba(31,58,95,.08); }
.fact b { display: block; font-family: var(--display); font-size: 34px; color: var(--navy); line-height: 1.1; font-variant-numeric: tabular-nums; }
.fact span { color: var(--muted); font-size: 14px; }

@media (max-width: 960px) {
  .hero-img { height: auto; aspect-ratio: 16 / 9; object-position: 75% 40%; }
  .hero-copy { position: static; padding-block: 20px 52px; }
  .hero-copy > * { max-width: none; }
  .hero::after { display: none; }
}
@media (max-width: 760px) {
  .hero-img { height: 300px; aspect-ratio: auto; object-position: 70% center; }
  .hero-copy { position: static; padding-block: 20px 52px; }
  .hero-copy > * { max-width: none; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .nav button { padding: 8px 8px; font-size: 14px; }
  .brand span { font-size: 15px; }
}
@media (max-width: 420px) {
  .brand span { display: none; }
}

/* 標題 */
.h2 { font-family: var(--display); color: var(--navy); font-size: clamp(26px, 4vw, 34px); margin: 0 0 6px; text-wrap: balance; }
.h3 { color: var(--navy); font-size: 18px; margin: 24px 0 10px; }

/* 角色設定 */
.avatars { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0; }
.avatar input { position: absolute; opacity: 0; pointer-events: none; }
.avatar-card { display: block; border: 3px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--card); transition: border-color .15s, box-shadow .15s; cursor: pointer; }
.avatar-card img { aspect-ratio: 4/3; object-fit: cover; object-position: 55% 60%; width: 100%; }
.avatar-card span { display: block; padding: 10px; text-align: center; font-weight: 700; color: var(--navy); }
.avatar input:checked + .avatar-card { border-color: var(--gold); box-shadow: 0 0 0 4px var(--gold-soft); }
.avatar input:focus-visible + .avatar-card { outline: 3px solid var(--navy); outline-offset: 2px; }
.field { display: grid; gap: 6px; font-weight: 700; color: var(--navy); margin-bottom: 20px; }
.field input { font: inherit; padding: 12px 14px; border-radius: 10px; border: 2px solid var(--line); background: var(--card); color: var(--ink); }
.field input:focus { border-color: var(--navy); outline: none; }

/* 闖關地圖 */
.map-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.score-pill { background: var(--navy); color: #fff; border-radius: 999px; padding: 8px 18px; font-variant-numeric: tabular-nums; }
.score-pill b { color: var(--gold); font-size: 22px; }
.score-pill small { color: #c8d3e0; }

.trail { list-style: none; margin: 0; padding: 0; position: relative; display: grid; gap: 14px; }
.trail::before {
  content: ""; position: absolute; left: 31px; top: 20px; bottom: 20px; width: 6px;
  background: repeating-linear-gradient(to bottom, #e3d6b4 0 14px, transparent 14px 24px);
  border-radius: 3px;
}
.stop { position: relative; display: grid; grid-template-columns: 68px 1fr auto; align-items: center; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px 14px 0; }
.stop-dot { justify-self: center; width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; font-size: 22px; background: #efe8d6; border: 3px solid #fff; box-shadow: 0 0 0 2px var(--line); position: relative; z-index: 1; }
.stop.done .stop-dot { background: var(--green-soft); box-shadow: 0 0 0 2px var(--green); }
.stop.open .stop-dot { background: var(--gold-soft); box-shadow: 0 0 0 2px var(--gold); }
.stop.locked { opacity: .62; }
.stop-body { min-width: 0; }
.stop-body h3 { margin: 0; color: var(--navy); font-size: 18px; }
.stop-body p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.stop-meta { font-size: 13px; font-weight: 700; color: var(--green); }
.stop .btn { white-space: nowrap; }
.stop.goal { background: linear-gradient(90deg, #fff7dc, var(--card)); border-color: var(--gold); }
.map-foot { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.confirm { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; background: var(--red-soft); padding: 8px 12px; border-radius: 10px; }
@media (max-width: 560px) {
  .stop { grid-template-columns: 56px 1fr; padding-right: 12px; }
  .trail::before { left: 25px; }
  .stop-dot { width: 42px; height: 42px; font-size: 19px; }
  .stop .btn { grid-column: 2; justify-self: start; }
}

/* 答題 */
.quiz-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.stage-tag { font-weight: 700; color: var(--navy); }
.qcount { color: var(--muted); font-variant-numeric: tabular-nums; }
.progress { height: 8px; background: #ece4d1; border-radius: 4px; margin: 10px 0; overflow: hidden; }
.progress i { display: block; height: 100%; width: 0; background: var(--gold); transition: width .3s; }
.lives { display: flex; gap: 6px; margin-bottom: 16px; min-height: 22px; }
.lives span { width: 22px; height: 22px; border-radius: 50%; background: #ece4d1; display: grid; place-items: center; font-size: 12px; color: #fff; font-weight: 700; }
.lives .ok { background: var(--green); }
.lives .half { background: var(--gold); }
.lives .bad { background: var(--red); }

.case { background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--navy); border-radius: var(--r); padding: 20px 22px; box-shadow: 0 6px 18px rgba(31,58,95,.06); }
.case-label { margin: 0 0 6px; font-size: 13px; letter-spacing: .14em; color: var(--green); font-weight: 700; }
.case-scene { margin: 0 0 12px; font-size: 17px; }
.case-ask { margin: 0; font-size: 20px; color: var(--navy); }

.options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0; }
.opt { text-align: left; background: var(--card); border: 2px solid var(--line); border-radius: 12px; padding: 14px 16px; color: var(--ink); font-weight: 700; display: flex; align-items: center; gap: 10px; transition: border-color .15s, background .15s, transform .1s; min-width: 0; }
.opt:hover:not(:disabled) { border-color: var(--navy); transform: translateY(-1px); }
.opt .k { flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px; background: #efe8d6; display: grid; place-items: center; color: var(--navy); font-size: 14px; }
.opt.right { border-color: var(--green); background: var(--green-soft); }
.opt.near { border-color: var(--gold); background: var(--gold-soft); }
.opt.wrong { border-color: var(--red); background: var(--red-soft); }
.opt:disabled { cursor: default; }
@media (max-width: 560px) { .options { grid-template-columns: 1fr; } }

.feedback { background: var(--card); border-radius: var(--r); border: 1px solid var(--line); padding: 18px 20px; animation: rise .3s ease-out; }
.fb-result { margin: 0 0 10px; font-size: 20px; font-weight: 900; }
.fb-result.ok { color: var(--green); }
.fb-result.half { color: #9c7c17; }
.fb-result.bad { color: var(--red); }
.feedback dl { margin: 0; display: grid; grid-template-columns: 5.5em 1fr; gap: 8px 12px; }
.feedback dt { font-weight: 700; color: var(--navy); }
.feedback dd { margin: 0; min-width: 0; }
.fb-src { font-size: 13px; color: var(--muted); margin: 14px 0; padding-top: 10px; border-top: 1px dashed var(--line); }
@media (max-width: 480px) { .feedback dl { grid-template-columns: 1fr; gap: 2px; } .feedback dd { margin-bottom: 8px; } }
@keyframes rise { from { transform: translateY(8px); opacity: .4; } to { transform: none; opacity: 1; } }

/* 關卡結果 */
.result-badge { width: 120px; height: 120px; margin: 8px auto 16px; border-radius: 50%; display: grid; place-items: center; font-size: 56px; }
.result-badge.pass { background: var(--green-soft); box-shadow: 0 0 0 6px var(--green); }
.result-badge.fail { background: var(--red-soft); box-shadow: 0 0 0 6px var(--red); }
.result-score { margin: 20px 0 26px; }
.result-score b { display: block; font-family: var(--display); font-size: 56px; color: var(--navy); line-height: 1; font-variant-numeric: tabular-nums; }
.result-score span { color: var(--muted); font-size: 14px; }

/* 結業證書 */
.cert { background: var(--card); border: 2px solid var(--gold); outline: 6px double var(--navy); outline-offset: 6px; border-radius: 6px; padding: 32px 24px; text-align: center; margin: 16px 12px 24px; }
.cert-logo { width: 150px; margin: 0 auto 8px; }
.cert-kicker { font-family: var(--display); font-size: 28px; color: var(--navy); letter-spacing: .3em; margin: 0; }
.cert-name { font-family: var(--display); font-size: 34px; color: var(--ink); margin: 12px 0; border-bottom: 2px solid var(--gold); display: inline-block; padding: 0 18px 4px; }
.cert-body { margin: 8px 0 16px; }
.cert-rank { display: inline-block; background: var(--navy); color: var(--gold); font-weight: 900; padding: 6px 18px; border-radius: 999px; margin: 0 0 8px; }
.cert-score { margin: 4px 0; font-variant-numeric: tabular-nums; }
.cert-date { color: var(--muted); font-size: 14px; margin: 4px 0 0; }

/* 懲戒小學堂 */
.learn-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; margin: 20px 0 28px; align-items: start; }
@media (max-width: 860px) { .learn-grid { grid-template-columns: 1fr; } }
.ladder { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.rung { display: grid; grid-template-columns: 8px 1fr; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px 12px 0; overflow: hidden; }
.rung i { border-radius: 0 4px 4px 0; }
.rung h4 { margin: 0; color: var(--navy); font-size: 17px; }
.rung p { margin: 2px 0 0; font-size: 14px; color: var(--muted); }
.concept { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin-bottom: 8px; }
.concept b { color: var(--navy); }
.concept p { margin: 2px 0 0; font-size: 15px; color: #3b4756; }
.plain { margin: 0; padding-left: 1.4em; }

.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; padding-block: 18px calc(18px + env(safe-area-inset-bottom, 0px)); }
.foot p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}