:root {
  --bg: #f6f3ee;
  --surface: #ffffff;
  --text: #222019;
  --muted: #6b665c;
  --border: #e4ded3;
  --accent: #2f8f6b;
  --accent-soft: #e2f2ea;
  --warn: #c2553a;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 6px 20px rgba(0,0,0,.05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161714;
    --surface: #1f201c;
    --text: #ece9e2;
    --muted: #a19c90;
    --border: #33342e;
    --accent: #5cc79c;
    --accent-soft: #1f3a2e;
    --warn: #ec8a6e;
    --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #161714;
  --surface: #1f201c;
  --text: #ece9e2;
  --muted: #a19c90;
  --border: #33342e;
  --accent: #5cc79c;
  --accent-soft: #1f3a2e;
  --warn: #ec8a6e;
  --shadow: none;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.site-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 24px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.logo { font-weight: 700; color: var(--text); text-decoration: none; white-space: nowrap; }
.site-header nav { display: flex; gap: 16px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.site-header nav::-webkit-scrollbar { display: none; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 14px; white-space: nowrap; }
.site-header nav a:hover { color: var(--accent); }
.icon-btn { background: none; border: 1px solid var(--border); border-radius: 8px; padding: 4px 8px; cursor: pointer; font-size: 16px; }

main { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }

.hero { text-align: center; padding: 64px 0 40px; }
.eyebrow { letter-spacing: .2em; font-size: 12px; color: var(--accent); font-weight: 600; margin: 0 0 12px; }
.hero h1 { font-size: clamp(28px, 6vw, 44px); line-height: 1.25; margin: 0 0 20px; }
.quote { color: var(--muted); font-size: 18px; min-height: 1.6em; margin: 0 0 16px; transition: opacity .25s; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 8px; font-size: 20px; }
.hint { color: var(--muted); margin: 0 0 16px; font-size: 14px; }
.hint.small { font-size: 12px; margin: 12px 0 0; }

.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.row label { flex-direction: row; align-items: center; gap: 8px; }
input {
  font: inherit; font-size: 15px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; min-width: 0;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.btn {
  font: inherit; font-size: 15px; cursor: pointer;
  background: var(--accent); color: #fff; border: none;
  border-radius: 999px; padding: 10px 20px;
  transition: transform .1s, opacity .2s;
}
.btn:hover { opacity: .9; }
.btn:active { transform: scale(.97); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); padding: 8px 16px; font-size: 14px; }

.clock {
  font-variant-numeric: tabular-nums;
  font-size: clamp(40px, 12vw, 72px);
  font-weight: 700; text-align: center;
  margin: 16px 0 8px; color: var(--accent);
}
.progress { height: 10px; background: var(--accent-soft); border-radius: 999px; overflow: hidden; margin-bottom: 12px; }
.bar { height: 100%; width: 0; background: var(--accent); border-radius: 999px; transition: width .5s; }
#clock-msg { text-align: center; margin: 0; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
.stat { background: var(--bg); border-radius: 12px; padding: 12px; text-align: center; }
.stat-label { display: block; font-size: 12px; color: var(--muted); }
.stat-value { display: block; font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-value.accent { color: var(--warn); }
#wage-msg { margin: 12px 0 0; }

.quiz { padding-left: 20px; margin: 0 0 16px; }
.quiz li { margin-bottom: 14px; }
.quiz .opts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.quiz .opts label {
  flex-direction: row; align-items: center; gap: 6px; cursor: pointer;
  border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px;
  color: var(--text); font-size: 14px;
}
.quiz .opts input { display: none; }
.quiz .opts label:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.result { margin-top: 16px; padding: 16px; border-radius: 12px; background: var(--accent-soft); }
.result .score { font-size: 32px; font-weight: 700; color: var(--accent); }
.result p { margin: 4px 0; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip {
  font: inherit; font-size: 14px; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  border-radius: 999px; padding: 6px 14px;
}
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.reply {
  margin: 0 0 16px; padding: 16px 20px; border-left: 4px solid var(--accent);
  background: var(--bg); border-radius: 0 12px 12px 0; font-size: 16px;
}

.law { padding-left: 20px; margin: 8px 0 0; }
.law li { margin-bottom: 10px; }

.manifesto ol { padding-left: 20px; }
.manifesto li { margin-bottom: 6px; }
#sign-msg { margin: 12px 0 0; }

.site-footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 16px 40px; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px);
  background: var(--text); color: var(--bg);
  padding: 10px 18px; border-radius: 999px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: all .25s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 560px) {
  .site-header { padding: 10px 16px; gap: 10px; }
  .card { padding: 18px; }
  .stats { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 28px; }
}