:root {
  --navy: #1E2A3A;
  --navy-2: #2C3B50;
  --cream: #FBF7EF;
  --sand: #F3E4D2;
  --ink-soft: #4A5160;
  --mist: #C9D3DF;
  --orange: #B5541A;
  --orange-light: #F4A261;
  --teal: #1F7A6E;
  --teal-light: #7FD1C3;
  --radius: 18px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', system-ui, sans-serif;
  background: var(--cream);
  color: var(--navy);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }
.hidden { display: none !important; }

/* ---------- 參與者頁（手機） ---------- */
.p-wrap { max-width: 560px; margin: 0 auto; padding: 20px 16px 40px; }
.p-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.p-badge { font-size: 13px; font-weight: 700; background: var(--navy); color: var(--cream); padding: 4px 12px; border-radius: 999px; }
.p-title { font-size: 24px; font-weight: 900; margin: 8px 0 4px; line-height: 1.3; }
.p-sub { color: var(--ink-soft); margin: 0 0 18px; font-size: 15px; }
.opt-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.opt {
  position: relative; text-align: left; min-height: 64px; padding: 12px 14px 12px 14px;
  background: #fff; border: 2px solid #E6D8C3; border-radius: var(--radius); color: var(--navy);
  font-size: 16px; font-weight: 500; transition: transform .1s ease, border-color .15s ease;
}
.opt:active { transform: scale(.97); }
.opt.picked { border-color: var(--orange); background: #FFF4EA; }
.opt .rank-no {
  position: absolute; top: -10px; right: -8px; width: 32px; height: 32px; border-radius: 50%;
  background: var(--orange); color: #fff; font-weight: 900; display: grid; place-items: center; font-size: 17px;
}
.pick-summary { margin: 18px 0 10px; font-size: 15px; color: var(--ink-soft); min-height: 24px; }
.primary {
  width: 100%; padding: 16px; border: 0; border-radius: var(--radius); background: var(--navy);
  color: var(--cream); font-size: 18px; font-weight: 700;
}
.ghost { background: transparent; border: 2px solid var(--navy); color: var(--navy); border-radius: var(--radius); padding: 12px 16px; font-weight: 700; }
.done-card { background: #fff; border-radius: var(--radius); padding: 22px; border: 2px solid var(--teal-light); text-align: center; }
.done-card .big { font-size: 40px; }
.done-card p { margin: 8px 0; }
.scale-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 18px; }
.scale-btn {
  min-height: 72px; background: #fff; border: 2px solid #E6D8C3; border-radius: var(--radius);
  font-size: 20px; font-weight: 900; color: var(--navy);
}
.scale-btn small { display: block; font-size: 12px; font-weight: 500; color: var(--ink-soft); }
.scale-btn.wide { grid-column: span 4; font-size: 18px; }
.scale-btn.picked { border-color: var(--teal); background: #E9F7F4; }
.idle { text-align: center; padding: 70px 10px; }
.idle .dot { width: 14px; height: 14px; border-radius: 50%; background: var(--orange-light); display: inline-block; animation: pulse 1.4s infinite ease-in-out; }
@keyframes pulse { 0%, 100% { transform: scale(.7); opacity: .5 } 50% { transform: scale(1.1); opacity: 1 } }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--navy); color: var(--cream); padding: 10px 18px; border-radius: 999px; font-size: 14px; z-index: 10; }

/* ---------- 帶領者頁（投影） ---------- */
.h-body { background: var(--navy); color: var(--cream); min-height: 100vh; }
.h-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 20px; background: #16202D; }
.h-bar .tab { background: var(--navy-2); color: var(--cream); border: 0; border-radius: 999px; padding: 8px 16px; font-weight: 700; font-size: 15px; }
.h-bar .tab.live { background: var(--orange-light); color: var(--navy); }
.h-bar .tab.viewing { outline: 3px solid var(--teal-light); outline-offset: 1px; }
.h-bar .spacer { flex: 1; }
.h-bar .tool { background: transparent; color: var(--mist); border: 1px solid #44546B; border-radius: 999px; padding: 6px 12px; font-size: 14px; }
.h-main { padding: clamp(16px, 3vh, 28px) 40px 32px; }
.h-kicker { font-size: 20px; font-weight: 700; color: var(--orange-light); letter-spacing: 2px; }
.h-title { font-size: clamp(30px, 3.4vw, 54px); font-weight: 900; margin: 6px 0 4px; line-height: 1.25; }
.h-meta { color: var(--mist); font-size: 20px; margin-bottom: clamp(10px, 2.5vh, 24px); }
.bars { display: flex; flex-direction: column; gap: clamp(6px, 1.2vh, 12px); }
.bar-row { display: grid; grid-template-columns: 260px 1fr 110px; align-items: center; gap: 16px; font-size: clamp(18px, 3vh, 22px); }
.bar-track { background: var(--navy-2); border-radius: 10px; height: clamp(22px, 4vh, 34px); overflow: hidden; display: flex; flex-direction: column; }
.bar-fill { height: 100%; background: var(--orange-light); border-radius: 10px; transition: width .6s ease; }
.bar-num { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.legend { display: flex; gap: 24px; font-size: 18px; color: var(--mist); margin-bottom: clamp(8px, 2vh, 18px); }
.hist { display: flex; align-items: flex-end; gap: 18px; height: 52vh; padding-top: 20px; }
.hist-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 8px; }
.hist-bar { width: 100%; background: var(--teal-light); border-radius: 12px 12px 4px 4px; transition: height .6s ease; min-height: 4px; }
.hist-count { font-size: 24px; font-weight: 700; }
.hist-label { font-size: 20px; color: var(--mist); text-align: center; }
.empty { color: var(--mist); font-size: 22px; padding: 40px 0; }
.join { position: fixed; inset: 0; background: rgba(15, 22, 32, .92); display: grid; place-items: center; z-index: 20; }
.join-card { background: var(--cream); color: var(--navy); border-radius: 28px; padding: clamp(20px, 4vh, 40px) 48px; text-align: center; max-width: 90vw; }
.join-card #qr svg, .join-card #qr img { width: min(52vh, 70vw); height: auto; }
.join-card .url { font-size: 28px; font-weight: 700; margin-top: 12px; word-break: break-all; }
.login { max-width: 420px; margin: 18vh auto; background: var(--cream); color: var(--navy); border-radius: 24px; padding: 32px; }
.login input { width: 100%; padding: 14px; font-size: 18px; border-radius: 12px; border: 2px solid #E6D8C3; margin: 12px 0 16px; }
@media (max-width: 900px) {
  .bar-row { grid-template-columns: 120px 1fr 70px; font-size: 16px; }
  .h-main { padding: 20px 16px; }
}