:root {
  --bg: #f1f3f7;
  --card: #ffffff;
  --ink: #1c2130;
  --ink-soft: #62697b;
  --border: #e3e6ee;
  --accent: #4338ca;
  --accent-soft: #eef0ff;
  --accent-strong: #312e81;
  --success: #16a34a;
  --success-soft: #ecfdf3;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(20,24,40,.04), 0 8px 24px rgba(20,24,40,.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "PingFang TC", "Noto Sans TC", -apple-system, sans-serif;
  min-height: 100vh;
}

/* 固定保留垂直捲軸的版面空間：沒有這行，內容矮於視窗的頁（例如空殼的 dashboard/checkin）
   不會出現捲軸，內容高於視窗的頁（例如資料齊全的 dashboard/reg）才會出現，兩者可用寬度因此
   相差一條捲軸的寬度（Chrome/Edge 約 15-17px），置中的 .console-page 就會跟著左右位移。
   scrollbar-gutter 是現代瀏覽器的正解（保留空間但不強制顯示捲軸）；overflow-y: scroll
   是舊瀏覽器的退路（直接固定顯示捲軸），兩者效果一致：任何頁面的可用寬度都固定，
   不再隨內容高度而變動。 */
html {
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
/* logo、品牌字與導覽連結（.tabs / .tab-btn）的樣式在 shared/app-nav.css */

/* ---------- Layout ---------- */
.page-wrap { max-width: 1080px; margin: 0 auto; padding: 32px 20px 80px; }
.page { display: none; }
.page.active { display: block; }
.page-title { font-size: 22px; font-weight: 700; margin: 0 0 20px; }
.section-title { font-size: 16px; font-weight: 700; margin: 32px 0 14px; color: var(--ink); }

/* ---------- Scanner stage ---------- */
.scanner-stage { display: flex; justify-content: center; min-height: 420px; align-items: center; }
.state-block { width: 100%; }
.state-block.hidden { display: none; }

.scan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 480px;
  margin: 0 auto;
  padding: 48px 32px;
  text-align: center;
  position: relative;
  transition: box-shadow .2s, border-color .2s;
}
.scan-card:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow);
}
.scan-card-title { font-size: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); }
.scan-icon { font-size: 64px; margin: 20px 0; color: var(--accent); line-height: 1; }
.scan-hint { font-size: 18px; font-weight: 600; color: var(--ink); }
.scan-ready { margin-top: 20px; font-size: 12px; color: var(--ink-soft); letter-spacing: .04em; }
.scan-held-code {
  margin-top: 10px; padding: 8px 14px; border-radius: 10px;
  background: var(--warn-soft); color: var(--warn); font-size: 15px; font-weight: 700;
  letter-spacing: .04em; display: inline-block;
}
.scan-held-code.hidden { display: none; }

.manual-input-row {
  display: flex;
  gap: 8px;
  margin-top: 22px;
}
.manual-input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  outline: none;
  transition: border-color .15s, background .15s;
}
.manual-input:focus {
  border-color: var(--accent);
  background: var(--card);
}
.manual-input-row .btn { flex-shrink: 0; }
.manual-input-row.hidden { display: none; }

.manual-input-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 22px;
}
.manual-input-col.hidden { display: none; }
.manual-input-fields {
  display: flex;
  gap: 8px;
}
.manual-input-fields .manual-input { flex: 1; }
.manual-input-submit { width: 100%; }

.btn-link {
  display: inline-block; margin-top: 18px; border: none; background: transparent;
  color: var(--accent); font-size: 13px; font-weight: 700; cursor: pointer;
  text-decoration: underline; padding: 0;
}
.btn-link:hover { color: var(--accent-strong); }
.btn-link.hidden { display: none; }

/* ---------- Check-in master-detail (employee list | check-in + ticket) ---------- */
.checkin-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 20px; }
@media (max-width: 820px) { .checkin-grid { grid-template-columns: 1fr; } }

.list-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  flex-direction: column;
  min-height: 460px;
}
.list-card-head { display: flex; justify-content: space-between; align-items: baseline; }
.list-count { font-size: 12px; font-weight: 700; color: var(--accent-strong); }
.list-search { display: flex; gap: 8px; margin-top: 14px; }
.list-search .btn { flex-shrink: 0; }
.list-status { margin-top: 14px; font-size: 13px; color: var(--ink-soft); }
.list-status.is-error { color: var(--danger); font-weight: 700; }
.employee-list {
  list-style: none; margin: 10px 0 0; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
  overflow-y: auto; max-height: 420px;
}
.employee-row {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  text-align: left; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; cursor: pointer; transition: border-color .15s, background .15s;
}
.employee-row:hover { border-color: var(--accent); }
.employee-row.is-selected { background: var(--accent-soft); border-color: var(--accent); }
.employee-row:disabled { opacity: .55; cursor: not-allowed; border-color: var(--border); }
.employee-row-main { display: flex; flex-direction: column; min-width: 0; }
.employee-row-name { font-size: 15px; font-weight: 700; }
.employee-row-meta { font-size: 12px; color: var(--ink-soft); }
.employee-row-tag {
  flex-shrink: 0; padding: 3px 10px; border-radius: 999px;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 700;
}
.employee-row-tag--done { background: var(--success-soft); color: var(--success); }

/* Onsite registration: employees missing from the eligible list but present in the roster */
.list-status.is-onsite { color: var(--warn); font-weight: 700; }
.employee-row--onsite { border-color: var(--warn); }
.employee-row--onsite.is-selected { border-color: var(--accent); }
.employee-row-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.employee-row-tag--onsite,
.employee-row-tag--resigned { padding: 1px 9px; font-size: 11px; }
.employee-row-tag--onsite { background: var(--warn-soft); color: var(--warn); box-shadow: inset 0 0 0 1px var(--warn); }
.employee-row-tag--resigned { background: var(--danger-soft); color: var(--danger); }
/* A selected onsite row expands in place: the <li> draws the selection frame so the
   row button and the companion button (siblings, since buttons cannot nest) read as one card. */
.employee-row-item.is-expanded {
  background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 10px;
  padding-bottom: 12px;
}
.employee-row-item.is-expanded .employee-row { background: transparent; border-color: transparent; }
.onsite-companion-btn {
  display: block; width: calc(100% - 28px); margin: 0 14px;
  padding: 12px 20px; font-size: 15px;
  background: var(--card); color: var(--accent-strong); box-shadow: inset 0 0 0 1px var(--accent);
}
.onsite-companion-btn:hover { background: var(--card); color: var(--accent); }
.onsite-companion-btn[aria-pressed="true"],
.onsite-companion-btn[aria-pressed="true"]:hover { background: var(--accent); color: #fff; box-shadow: none; }

.detail-col { display: flex; flex-direction: column; gap: 20px; }
.detail-col .employee-card,
.detail-col .scan-card--barcode { flex: 1 0 auto; min-height: 0; max-width: none; margin: 0; padding: 22px 24px; }
.detail-col .scan-icon { font-size: 40px; margin: 12px 0; }
.guest-submit { margin-top: 16px; }
.guest-submit.hidden { display: none; }
/* Companion block: was a single text line, now a small list so each companion
   can carry its own outcome. A failed row's tag re-skins .success-veg-tag —
   same pill metrics (padding/radius/font), only the color token changes —
   instead of inventing a new tag shape. The failure marker stays inside its
   own row: it does not recolor the row or the card, so the employee's own
   success stays visually intact. Successful companions carry no tag at all. */
.success-companions { margin-top: 18px; text-align: left; }
.success-companions.hidden { display: none; }
.success-companions-label {
  font-size: 12px; font-weight: 700; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: 8px;
}
.companion-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.companion-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 4px 2px;
}
.companion-row-name { font-size: 14px; font-weight: 700; color: var(--ink); }
/* Same pill as .success-veg-tag (padding/radius/font) — only the color differs.
   Only failures get one. */
.companion-tag {
  flex-shrink: 0; display: inline-block; padding: 4px 12px;
  border-radius: 999px; font-size: 13px; font-weight: 700;
}
.companion-tag--failed { background: var(--danger-soft); color: var(--danger); }

.employee-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  text-align: center;
  transition: border-color .2s, box-shadow .2s;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.employee-card--filled { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow); }
.employee-empty.hidden, .employee-filled.hidden { display: none; }
.employee-name { font-size: 26px; font-weight: 800; }
.employee-id { color: var(--ink-soft); font-size: 14px; margin-top: 2px; }
.employee-dept-badge {
  display: inline-block; margin-top: 14px; padding: 5px 12px;
  border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong);
  font-size: 13px; font-weight: 700;
}
.employee-dept-badge.hidden { display: none; }
.employee-meta { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; text-align: left; }
.employee-meta.hidden { display: none; }
.meta-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--ink-soft); }
.meta-row strong { color: var(--ink); }
.meta-row.hidden { display: none; }
.p-veg-tag { color: var(--success); }

.employee-verify-badge { font-size: 12px; font-weight: 700; margin-bottom: 8px; min-height: 18px; }
.employee-verify-badge.is-loading { color: var(--ink-soft); }
.employee-verify-badge.is-loading::before {
  content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 6px;
  border-radius: 50%; border: 2px solid var(--accent-soft); border-top-color: var(--accent);
  animation: spin .7s linear infinite; vertical-align: -1px;
}
.employee-verify-badge.is-verified { color: var(--success); }
.employee-verify-badge.is-onsite { color: var(--warn); }
.scan-sub { margin-top: 6px; font-size: 12px; font-weight: 600; color: var(--ink-soft); }
.scan-sub.hidden { display: none; }

.scan-card--barcode {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  min-height: 300px;
}

.pending-actions { display: flex; justify-content: center; gap: 16px; margin-top: 22px; }
.pending-actions .btn:disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }

/* ---------- Buttons ---------- */
.btn {
  border: none; border-radius: 10px; font-weight: 700; font-size: 14px;
  padding: 10px 20px; cursor: pointer; transition: transform .1s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: var(--accent-soft); color: var(--accent-strong); }
.btn-ghost:hover { background: #e0e2ff; }
.btn-text { background: transparent; color: var(--ink-soft); }
.btn-text:hover { color: var(--ink); }
.btn-danger { background: var(--danger-soft); color: var(--danger); }

/* ---------- Submitting ---------- */
.submitting-card { max-width: 420px; margin: 0 auto; text-align: center; padding: 60px 20px; }
.spinner {
  width: 44px; height: 44px; border-radius: 50%;
  border: 4px solid var(--accent-soft); border-top-color: var(--accent);
  margin: 0 auto 20px; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.submitting-text { font-size: 16px; font-weight: 600; color: var(--ink-soft); }
.submitting-subtext {
  margin-top: 16px; padding: 10px 14px; border-radius: 10px;
  background: var(--warn-soft); color: var(--warn); font-size: 13px; font-weight: 600;
}
.submitting-subtext.hidden { display: none; }
.submitting-back-btn { margin-top: 10px; }

/* ---------- Success ---------- */
.success-card {
  max-width: 460px; margin: 0 auto; text-align: center;
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 40px 32px; border: 1px solid var(--border);
  animation: fadeIn .25s ease-out;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.success-icon {
  width: 64px; height: 64px; border-radius: 50%; background: var(--success-soft);
  color: var(--success); font-size: 32px; font-weight: 900;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
  animation: popIn .3s ease-out;
}
@keyframes popIn { from { transform: scale(0.5); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.success-title { font-size: 14px; font-weight: 700; color: var(--success); letter-spacing: .04em; text-transform: uppercase; }
.success-name { font-size: 30px; font-weight: 800; margin-top: 10px; }
.success-dept { color: var(--ink-soft); font-size: 14px; margin-top: 2px; }
.success-veg-tag {
  display: inline-block; margin-top: 8px; padding: 4px 12px;
  border-radius: 999px; background: var(--success-soft); color: var(--success);
  font-size: 13px; font-weight: 700;
}
.success-veg-tag.hidden { display: none; }
.success-onsite-note {
  display: inline-block; margin-top: 8px; padding: 4px 12px;
  border-radius: 999px; background: var(--warn-soft); color: var(--warn);
  font-size: 13px; font-weight: 700;
}
.success-onsite-note.hidden { display: none; }
.success-lottery { margin-top: 22px; padding: 14px; border-radius: 10px; background: var(--accent-soft); }
.success-lottery-label { font-size: 12px; color: var(--accent-strong); font-weight: 700; }
.success-lottery-no { font-size: 22px; font-weight: 800; color: var(--accent-strong); letter-spacing: .05em; }
.success-optout { margin-top: 22px; padding: 12px; border-radius: 10px; background: var(--bg); color: var(--ink-soft); font-weight: 600; }
.success-stats { margin-top: 20px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--ink-soft); }
.success-stats strong { color: var(--ink); }

/* ---------- Error ---------- */
.error-card {
  max-width: 460px; margin: 0 auto; text-align: center;
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 40px 32px; border: 1px solid var(--danger-soft);
}
.error-icon {
  width: 56px; height: 56px; border-radius: 50%; background: var(--danger-soft);
  color: var(--danger); font-size: 26px; font-weight: 900;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
}
.error-title { font-size: 19px; font-weight: 800; color: var(--danger); }
.error-detail { margin-top: 10px; font-size: 16px; font-weight: 700; color: var(--ink); }
.error-extra { margin-top: 8px; font-size: 13px; color: var(--ink-soft); line-height: 1.6; }
.error-actions { margin-top: 22px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ---------- Footer stats (check-in page) ---------- */
.footer-stats {
  display: flex; justify-content: center; gap: 32px; margin-top: 28px;
  font-size: 14px; color: var(--ink-soft);
}
.footer-stats strong { color: var(--ink); font-size: 16px; }

/* ---------- KPI cards ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 800px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
.kpi-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px;
}
.kpi-label { font-size: 13px; color: var(--ink-soft); font-weight: 600; }
.kpi-value { font-size: 28px; font-weight: 800; margin-top: 6px; }
.kpi-value small { font-size: 14px; color: var(--ink-soft); font-weight: 600; }
.kpi-card--accent { background: var(--accent-soft); border-color: transparent; }
.kpi-card--accent .kpi-value { color: var(--accent-strong); }
.kpi-card--muted .kpi-value { color: var(--ink-soft); }

/* ---------- Dept table ---------- */
.dept-table-wrap { overflow-x: auto; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); }
.dept-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.dept-table th, .dept-table td { padding: 14px 18px; text-align: right; font-size: 14px; }
.dept-table th:first-child, .dept-table td:first-child { text-align: left; }
.dept-table thead th { color: var(--ink-soft); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; border-bottom: 1px solid var(--border); }
.dept-table tbody tr:not(:last-child) td { border-bottom: 1px solid var(--border); }
.dept-table tbody td:first-child { font-weight: 700; }
.progress-cell { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.progress-track { width: 90px; height: 8px; border-radius: 999px; background: var(--bg); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 999px; background: var(--accent); }
.progress-fill.progress-fill--warn { background: var(--warn); }
.progress-fill.progress-fill--full { background: var(--danger); }
.badge-pct { font-size: 12px; font-weight: 700; color: var(--ink-soft); min-width: 38px; }

/* 抽獎登記流程（獎項卡、輸入券號、已領名單、登記結果）的樣式在 lottery/lottery.css */
.confirm-row { margin-top: 22px; display: flex; flex-direction: column; align-items: center; gap: 10px; }

/* ---------- Public winners page ---------- */
.winners-empty { text-align: center; color: var(--ink-soft); font-size: 16px; padding: 60px 0; }

.winners-tabs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 28px; }
.winners-tab {
  border: 1px solid var(--border); background: var(--card); color: var(--ink-soft);
  border-radius: 999px; padding: 10px 22px; font-size: 15px; font-weight: 700;
  cursor: pointer; transition: all .15s; display: flex; align-items: center; gap: 8px;
}
.winners-tab:hover { border-color: var(--accent); color: var(--ink); }
.winners-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.winners-tab-count {
  font-size: 12px; font-weight: 800; min-width: 22px; height: 22px; border-radius: 999px;
  background: rgba(0,0,0,.08); color: inherit; display: inline-flex; align-items: center; justify-content: center;
}
.winners-tab.active .winners-tab-count { background: rgba(255,255,255,.25); }

.winners-group-empty { text-align: center; color: var(--ink-soft); font-size: 16px; padding: 50px 0; }

.winners-list { display: flex; flex-direction: column; gap: 12px; max-width: 520px; margin: 0 auto; }
.winners-row {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px 24px; box-shadow: var(--shadow); text-align: center;
}
.winners-row-name { font-size: 24px; font-weight: 800; }
.winners-row-id { font-size: 14px; color: var(--ink-soft); font-weight: 600; }
.winners-row-lottery { font-size: 14px; color: var(--accent-strong); font-weight: 700; letter-spacing: .04em; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(20,24,40,.45);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal-overlay.hidden { display: none; }
.modal-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 32px; max-width: 380px; width: 90%; text-align: center;
  animation: popIn .2s ease-out;
}
.modal-title { font-size: 18px; font-weight: 800; }
.modal-name { font-size: 20px; font-weight: 700; margin-top: 14px; }
.modal-id { color: var(--ink-soft); font-size: 13px; }
.modal-note { margin-top: 14px; font-size: 13px; color: var(--ink-soft); line-height: 1.6; }
.modal-actions { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }

/* ---------- Vegetarian alert ---------- */
/* Fixed overlay, independent of showState()'s state-block toggling, so it can
   sit on top of any check-in state (pending/submitting/success) without being
   hidden or clobbered by a state switch. */
.veg-alert-overlay {
  position: fixed; inset: 0; background: rgba(20,24,40,.55);
  display: flex; align-items: center; justify-content: center; z-index: 300;
}
.veg-alert-overlay.hidden { display: none; }
.veg-alert-card {
  background: var(--card); border: 4px solid var(--success);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 40px 36px; max-width: 380px; width: 90%; text-align: center;
  animation: popIn .2s ease-out;
}
.veg-alert-icon { font-size: 56px; line-height: 1; }
.veg-alert-title {
  margin-top: 12px; font-size: 26px; font-weight: 900; color: var(--success);
  letter-spacing: .04em;
}
.veg-alert-name { font-size: 20px; font-weight: 700; margin-top: 10px; }
.veg-alert-note { margin-top: 10px; font-size: 15px; font-weight: 700; color: var(--ink); }
.veg-alert-close { margin-top: 26px; width: 100%; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 12px 22px; border-radius: 10px;
  font-size: 14px; font-weight: 600; box-shadow: var(--shadow); z-index: 200;
}
.toast.hidden { display: none; }

/* ---------- Demo tools ---------- */
/* Fixed overlay drawer: never occupies page flow, so opening/closing it
   cannot push or resize the check-in cards above. */
.demo-tools { position: fixed; top: 50%; right: 0; transform: translateY(-50%); z-index: 60; }
.demo-toggle {
  background: var(--ink); color: #fff; border: none; border-radius: 10px 0 0 10px;
  padding: 14px 8px; font-size: 12px; font-weight: 700; cursor: pointer; box-shadow: var(--shadow);
  writing-mode: vertical-rl;
}
.demo-panel {
  position: fixed; top: 50%; right: 56px; transform: translateY(-50%);
  width: 280px; max-height: calc(100vh - 40px); overflow-y: auto; text-align: left;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); padding: 16px;
}
.demo-panel.hidden { display: none; }
@media (max-width: 720px) {
  .demo-tools { top: auto; bottom: 0; right: 12px; transform: none; }
  .demo-toggle { writing-mode: horizontal-tb; border-radius: 10px 10px 0 0; padding: 10px 18px; }
  .demo-panel {
    top: auto; bottom: 44px; right: 0; left: 0; transform: none;
    width: 100%; max-height: 60vh; margin: 0 auto; max-width: 420px;
  }
}
.demo-section-label { font-size: 11px; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .04em; margin: 12px 0 6px; }
.demo-section-label:first-child { margin-top: 0; }
.demo-btn {
  display: block; width: 100%; text-align: left; background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: 12px; margin-bottom: 6px; cursor: pointer; color: var(--ink);
}
.demo-btn:hover { background: var(--accent-soft); }
.demo-btn-row { display: flex; flex-wrap: wrap; gap: 6px; }
.demo-btn--sm { width: auto; flex: 1 0 30%; text-align: center; }
.demo-btn--danger { background: var(--danger-soft); color: var(--danger); border-color: transparent; }

/* ---------- EDM 色票（public/ 的 EDM 風格頁面共用） ---------- */
/* 取自 dev/design-src/2027IBM_EDM-*.png 素材。只是宣告 token，沒有被套用的頁面不受影響，
   上方 app/ 頁面在用的 --bg / --card / --accent 色票不變。 */
:root {
  --edm-teal:      #077f93;  /* -05 / -06 橫幅底色，取自素材實際像素值 */
  --edm-teal-deep: #124e5c;  /* -02 夜空深處 */
  --edm-cream:     #fdf6e0;  /* pill 底色、卡片底色 */
  --edm-red:       #cf4630;  /* pill 標籤、卡片邊框 */
  --edm-red-deep:  #9e2f1e;  /* 強調字色 */
  --edm-sand:      #ae8d64;  /* -02 底部沙地，取自素材實際像素（原 #c9a66b 偏土黃） */
}

/* ---------- EDM 星空背景舞台（public/ 共用） ---------- */
/* -02.webp 是 2560x3565 的直幅星空（原稿在 dev/design-src/），cover 會依寬度縮放並裁掉圖片下緣的沙地。
   background-color 是圖片未覆蓋到時的襯底。
   放在本檔的理由同 .site-header-mark：CSS 的 url() 以樣式表所在的 shared/ 為基準
   解析，所以不同深度的頁面（index.html、winners/、terms/）都能共用同一條規則。 */
.bg-stage {
  background-color: var(--edm-teal-deep);
  /* 用裁掉底部沙地的 -02-sky.webp：內容短的頁面（切到活動須知、中獎名單時）cover 會依高度縮放、
     原圖底部的沙地就露在場景帶後面，變成一塊土黃色。地面改由 .scene 的 scene-ground.webp 負責。 */
  background-image: url("static/2027IBM_EDM-02-sky.webp");
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  /* 建立 BFC，擋掉子元素的 margin 塌陷。若不擋，第一個子元素的 margin-top 會穿透到
     .bg-stage 外面、不在它的背景範圍內，露出 body 底色——而 body 底色與 .site-header
     同為 --edm-teal，塌陷出來的那段會與頁首無縫接成一條更高的色帶，看起來像頁首變高了。 */
  display: flow-root;
}

/* ---------- EDM 風格頁首／頁尾橫列（public/ 共用） ---------- */
/* 原本這兩條是直接貼 2027IBM_EDM-05/-06.png 兩張 <img>，高度由原圖比例決定
   （9.45:1 與 7.90:1），在 1440px 視窗下會長到 152px / 182px，1920px 下更達
   203px / 243px —— 因為 EDM 原稿是直幅海報，同一條帶放進橫向視窗後相對厚度
   變成 2.2 倍。改成文字 + CSS 後高度由這裡決定，不再隨視窗寬度膨脹。

   比例沿用原圖：吉祥物佔原帶高 81%、文字只佔 32%，所以 80px 的列裡
   吉祥物 60px、文字 24px，維持原稿「小字配大圖徽」的招牌感。

   放在 shared/style.css 而非頁面 inline 的附帶好處：CSS 的 url() 以本檔所在的
   shared/ 為基準解析，所以 url("static/...") 在任何頁面深度都正確，
   winners/index.html 之後要套同一條列不必再複製一份。 */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--edm-teal);
  padding: 10px clamp(16px, 3.5vw, 48px);
  /* viewport-fit=cover 下讓開劉海；padding 在背景範圍內，底色照樣鋪到螢幕最上緣 */
  padding-top: calc(10px + env(safe-area-inset-top, 0px));
}

.site-header-title {
  color: #ffffff;
  font-size: 24px;
  font-weight: 400;      /* 「News」的字重；「70th EWC」另外加粗 */
  letter-spacing: .01em;
  white-space: nowrap;
}
.site-header-title strong { font-weight: 800; }
.site-header-title sup { font-size: .6em; font-weight: 800; }
/* 原圖裡「EWC」與「News」之間是一條細豎線 */
.site-header-title .sep {
  margin: 0 .5em;
  opacity: .65;
  font-weight: 300;
}

/* 吉祥物為裝飾性圖徽（相鄰文字已含「70th EWC」字樣），用背景圖不需要 alt。
   ewc-70th-mark.png 是從 -05.png 裁出的，底色與 --edm-teal 完全相同（#077f93），
   所以不需要做透明化就看不出接縫。 */
.site-header-mark {
  flex: 0 0 auto;
  height: 60px;
  aspect-ratio: 1.383;
  background-image: url("static/ewc-70th-mark.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.site-footer {
  background: var(--edm-teal);
  color: #ffffff;
  padding: 15px clamp(16px, 3.5vw, 48px);
  padding-bottom: calc(15px + env(safe-area-inset-bottom, 0px));
}
.site-footer p { margin: 0; }
.site-footer-lead { font-size: 16px; font-weight: 700; line-height: 1.45; }
.site-footer-contact { font-size: 13px; font-weight: 600; line-height: 1.5; }
.site-footer-contact sup { font-size: .7em; }
/* 原本這三行是點陣圖，email 無法複製；改成 mailto 連結後可點也可選取 */
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover,
.site-footer a:focus-visible { text-decoration: underline; }

@media (max-width: 640px) {
  .site-header { padding: 8px 16px; padding-top: calc(8px + env(safe-area-inset-top, 0px)); }
  .site-header-title { font-size: 18px; }
  .site-header-mark { height: 44px; }

  /* 頁尾不固定高度，讓三行文字自然折行，不要裁掉聯絡資訊 */
  .site-footer { padding: 14px 16px; padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px)); }
  .site-footer-lead { font-size: 14px; }
  .site-footer-contact { font-size: 12px; }
}

/* ---------- 中獎名單看板（public/winners/，由 shared/winners-render.js 渲染） ---------- */
/* 外觀照視覺稿「畫面 2」：奶油底圓角卡 + 紅色獎項標籤 + 紅字，與 EDM pill 素材同一語彙。
   class 另起 wboard- / wprize- 前綴，與舊版分頁籤名單的 .winners-tab* / .winners-row*
   （old/app.js 仍在用）完全分開，兩邊互不影響。 */
.wboard { display: flex; flex-direction: column; gap: 14px; max-width: 760px; margin: 0 auto; }

.wboard-empty, .wboard-error {
  max-width: 760px; margin: 0 auto; padding: 48px 20px;
  background: rgba(253, 246, 224, .94); border-radius: 18px;
  text-align: center; font-size: 16px; font-weight: 700; color: var(--edm-red-deep);
}
.wboard-error { color: var(--edm-red); }

.wprize {
  background: var(--edm-cream);
  border: 2px solid var(--edm-red);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .22);
}

/* 摘要列本身就是展開／收合的按鈕，整條可點 */
.wprize-head {
  display: flex; align-items: center; gap: 12px; width: 100%;
  padding: 14px 18px; border: 0; background: transparent;
  font: inherit; text-align: left; cursor: pointer;
}
.wprize-head:hover { background: rgba(207, 70, 48, .07); }

.wprize-name {
  background: var(--edm-red); color: var(--edm-cream);
  border-radius: 999px; padding: 6px 16px;
  font-size: 15px; font-weight: 800; letter-spacing: .04em;
}
.wprize-count { color: var(--edm-red-deep); font-size: 17px; font-weight: 800; }
.wprize-hint { margin-left: auto; color: var(--edm-red); font-size: 13px; font-weight: 700; }

.wprize-body {
  margin: 0; padding: 4px 18px 16px; list-style: none;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px;
}
/* display: grid 的優先度高於瀏覽器預設的 [hidden] { display: none }，要明寫才收得起來 */
.wprize-body[hidden] { display: none; }

/* 設了 display 的 class 會蓋過瀏覽器預設的 [hidden]，統一以 !important 確保 hidden 一定收起 */
[hidden] { display: none !important; }

.wprize-entry {
  display: flex; flex-direction: column; gap: 2px;
  background: rgba(207, 70, 48, .08); border-radius: 10px; padding: 8px 12px;
}
.wprize-entry-name { font-size: 16px; font-weight: 800; color: var(--edm-red-deep); }
.wprize-entry-id { font-size: 12px; font-weight: 600; color: #7a5c4a; }

@media (max-width: 640px) {
  .wprize-head { flex-wrap: wrap; gap: 8px; padding: 12px 14px; }
  .wprize-hint { margin-left: 0; }
  .wprize-body { grid-template-columns: 1fr 1fr; padding: 4px 14px 14px; }
}

/* ---------- 活動須知白底文件（terms/ 與首頁「活動須知」分頁共用） ---------- */
/* 條文本體只寫在 terms/index.html；首頁分頁以 fetch 取回該頁的 .doc-page 內容，
   所以樣式放在這裡兩邊共用。頁面各自的外距、列印規則仍寫在各頁 inline <style>。 */
/* 浮在 .bg-stage 的星空上，所以上下留白讓星空透出來，並加圓角與落影讓它讀起來
   像一張紙，與 winners 頁「卡片浮在天空上」的語彙一致。 */
.doc-page {
  max-width: 820px;
  margin: 32px auto 48px;
  padding: 48px 32px 64px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .28);
  line-height: 1.75;
  font-size: 15px;
}

.doc-title {
  font-size: 22px;
  line-height: 1.4;
  margin: 0;
}
.doc-subtitle {
  margin: 6px 0 0;
  color: #666;
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* 分節沿用 console 的做法：標題下一條細底線，不用色塊或左粗邊 */
.doc-page h2 {
  font-size: 16px;
  margin: 40px 0 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid #ddd;
}
/* 節序號是唯一的強調色，取 EDM teal，取代原本整行的 IBM 藍 */
.doc-page h2 .sec-no { color: var(--edm-teal); }

.doc-page ol { padding-left: 22px; margin: 0; }
.doc-page ol > li { margin-bottom: 10px; padding-left: 4px; }
.doc-page ul { margin-top: 6px; padding-left: 20px; line-height: 2; }

.doc-page a { color: var(--edm-teal); }
.doc-page a:hover { text-decoration: none; }

/* 黃底強調保留 —— 與 EDM 的 --edm-yellow 同調，比原本的 IBM 藍更貼這套視覺 */
strong.highlight {
  background: #fff2cc;
  padding: 0 3px;
  border-radius: 2px;
}


@media (max-width: 640px) {
  .doc-page { padding: 32px 18px 44px; font-size: 14.5px; }
  .doc-title { font-size: 19px; }
}

/* ---------- 中獎名單看板・復古版（首頁「中獎名單」分頁與 public/winners/ 共用） ---------- */
/* 只套在容器帶 .winners-retro 的頁面；後台 lottery/ 的名單沿用上方基本樣式不受影響。
   視覺取自 EDM：奶油色卡片 + 紅框、緞帶標題、彩票票根式的中獎人。 */
.winners-retro .wboard { gap: 22px; max-width: 820px; }

.winners-retro .wboard-empty,
.winners-retro .wboard-error {
  max-width: 820px;
  padding: 40px 20px;
  border: 3px solid var(--edm-red);
  border-radius: 20px;
  background: var(--edm-cream);
  box-shadow: 0 6px 0 var(--edm-red-deep), 0 12px 24px rgba(0, 0, 0, .25);
  font-size: 17px;
  letter-spacing: .04em;
}

.winners-retro .wprize {
  position: relative;
  overflow: visible;
  border: 3px solid var(--edm-red);
  border-radius: 20px;
  background:
    radial-gradient(rgba(207, 70, 48, .07) 1.2px, transparent 1.4px) 0 0 / 14px 14px,
    var(--edm-cream);
  /* 錯位的實心陰影是 50 年代印刷海報的語彙，比柔和落影更像 EDM */
  box-shadow: 0 6px 0 var(--edm-red-deep), 0 12px 24px rgba(0, 0, 0, .25);
}

.winners-retro .wprize-head {
  gap: 12px;
  padding: 18px 20px 14px;
  border-radius: 17px 17px 0 0;
}
.winners-retro .wprize-head:hover { background: rgba(207, 70, 48, .06); }
.winners-retro .wprize-head:focus-visible {
  outline: 3px solid var(--edm-teal);
  outline-offset: -3px;
}

/* 緞帶：兩端剪成燕尾，取代原本的圓角膠囊 */
.winners-retro .wprize-name {
  padding: 8px 30px;
  border-radius: 0;
  background: var(--edm-red);
  color: var(--edm-cream);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: .06em;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 50%, 100% 100%, 0 100%, 12px 50%);
  filter: drop-shadow(0 2px 0 var(--edm-red-deep));
}

.winners-retro .wprize-count {
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--edm-teal);
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
}

.winners-retro .wprize-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 2px solid var(--edm-red);
  border-radius: 999px;
  color: var(--edm-red);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}
.winners-retro .wprize-hint::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .2s ease;
}
.winners-retro .wprize-head[aria-expanded="true"] .wprize-hint::after {
  transform: translateY(2px) rotate(-135deg);
}
.winners-retro .wprize-head:hover .wprize-hint { background: var(--edm-red); color: var(--edm-cream); }

.winners-retro .wprize-body {
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  padding: 6px 20px 22px;
  border-top: 2px dashed rgba(207, 70, 48, .35);
  padding-top: 16px;
}

/* 中獎人：彩票票根。左右兩個半圓缺口用 mask 挖出來，虛線框模擬撕線 */
.winners-retro .wprize-entry {
  position: relative;
  align-items: center;
  gap: 2px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1.5px rgba(207, 70, 48, .5);
  text-align: center;
  -webkit-mask:
    radial-gradient(circle 7px at 0 50%, transparent 97%, #000) left / 51% 100% no-repeat,
    radial-gradient(circle 7px at 100% 50%, transparent 97%, #000) right / 51% 100% no-repeat;
          mask:
    radial-gradient(circle 7px at 0 50%, transparent 97%, #000) left / 51% 100% no-repeat,
    radial-gradient(circle 7px at 100% 50%, transparent 97%, #000) right / 51% 100% no-repeat;
}
.winners-retro .wprize-entry::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1.5px dashed rgba(207, 70, 48, .3);
  border-radius: 5px;
  pointer-events: none;
}
.winners-retro .wprize-entry-name {
  color: var(--edm-red-deep);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: .08em;
}
.winners-retro .wprize-entry-id {
  color: var(--edm-teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  font-variant-numeric: tabular-nums;
}

/* 輪詢抽出新得主：票根彈入並閃一下金黃底，所屬獎項卡的緞帶也晃一下 */
@keyframes wprize-entry-pop {
  0%   { transform: scale(.6); opacity: 0; background: #ffe58a; }
  60%  { transform: scale(1.06); opacity: 1; background: #ffe58a; }
  100% { transform: scale(1); background: #ffffff; }
}
@keyframes wprize-ribbon-wiggle {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-3deg); }
  75% { transform: rotate(3deg); }
}
.winners-retro .wprize-entry.is-new { animation: wprize-entry-pop .7s ease-out both; }
.winners-retro .wprize.is-new .wprize-name { animation: wprize-ribbon-wiggle .5s ease-in-out 2; }

@media (max-width: 640px) {
  .winners-retro .wboard { gap: 18px; }
  /* 手機不換行：展開／收合縮成只有箭頭的圓鈕，避免每張卡多出一整行 */
  .winners-retro .wprize-head { flex-wrap: nowrap; padding: 14px 12px 12px; gap: 8px; }
  .winners-retro .wprize-name { min-width: 0; padding: 7px 22px; font-size: 16px; line-height: 1.35; }
  .winners-retro .wprize-count { flex: 0 0 auto; padding: 3px 10px; font-size: 14px; }
  .winners-retro .wprize-hint {
    flex: 0 0 auto;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-left: auto;
    padding: 0;
    gap: 0;
    font-size: 0;
  }
  /* 手機一排三張票根，名單變長時高度約少三分之一 */
  .winners-retro .wprize-body {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 12px 12px 16px;
  }
  .winners-retro .wprize-entry { padding: 8px 6px; }
  .winners-retro .wprize-entry-name { font-size: 15px; letter-spacing: .04em; }
  .winners-retro .wprize-entry-id { font-size: 11px; letter-spacing: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .winners-retro .wprize-entry.is-new,
  .winners-retro .wprize.is-new .wprize-name { animation: none; }
  .winners-retro .wprize-hint::after { transition: none; }
}

/* ---------- 頁尾場景帶的地面（index、winners/、404 共用） ---------- */
/* -04 場景圖下緣約 14% 是透明的（只有車輪、店面台階），原本用平塗沙地色接住，看起來是一片土黃。
   改成從 -02 星空原圖底部裁出的沙地紋理 scene-ground.webp（2560×201），貼齊場景帶底部、隨寬度等比縮放，
   紋理高度約為寬度的 7.9%，蓋得住透明區；上方仍透明，讓星空透上來。 */
.scene {
  background: url("static/scene-ground.webp") center bottom / 100% auto no-repeat;
}