/* 管理後台：沿用主視覺 tokens，桌面優先、資訊密度較高 */
:root {
  --ink: #22301f;
  --ink-2: #55614f;
  --ink-3: #8a927f;
  --paper: #eef1e6;
  --card: #fbfaf5;
  --card-edge: #e3e6d8;
  --pine: #29513c;
  --pine-deep: #1f4030;
  --pine-soft: #dfe8dd;
  --data-green: #337e52;
  --brass: #b98a2f;
  --brass-deep: #8f6a24;
  --gold: #e7c36a;
  --alert: #b4463c;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(34, 48, 31, 0.06), 0 6px 20px rgba(34, 48, 31, 0.07);
  --font-display: 'Noto Serif TC', 'PingFang TC', serif;
  --font-body: 'PingFang TC', 'Noto Sans TC', 'Microsoft JhengHei', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { color-scheme: light; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px 60px; }

header.bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 0 10px;
}

header.bar h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

header.bar .who {
  margin-left: auto;
  font-size: 12px;
  color: var(--ink-2);
}

nav.tabs {
  display: flex;
  gap: 6px;
  border-bottom: 2px solid var(--card-edge);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

nav.tabs button {
  appearance: none;
  border: 0;
  background: none;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 9px 14px;
  color: var(--ink-2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

nav.tabs button[aria-selected='true'] {
  color: var(--pine);
  font-weight: 700;
  border-bottom-color: var(--pine);
}

.panel[hidden] { display: none; }

.card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  margin-bottom: 16px;
}

.card h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.row-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--card-edge);
  vertical-align: middle;
}

th { color: var(--ink-2); font-weight: 600; font-size: 12px; white-space: nowrap; }

tr.inactive td { color: var(--ink-3); }

td .actions { display: flex; gap: 6px; flex-wrap: wrap; }

.tag {
  display: inline-block;
  border-radius: 999px;
  font-size: 11.5px;
  padding: 1px 9px;
  white-space: nowrap;
}

.tag-ok { background: var(--pine-soft); color: var(--pine-deep); }
.tag-warn { background: #f3ead2; color: var(--brass-deep); }
.tag-off { background: #eceadf; color: var(--ink-3); }

button.btn, a.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 9px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary { background: var(--pine); color: #f5f2e4; }
.btn-outline { background: var(--card); color: var(--pine); border: 1.5px solid var(--pine); }
.btn-small { padding: 4px 10px; font-size: 12.5px; border-radius: 7px; }
.btn-danger { background: none; color: var(--alert); border: 1.5px solid #dcb6b1; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

input[type='text'], input[type='password'], input[type='date'], input[type='datetime-local'], input[type='number'], textarea, select {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1.5px solid var(--card-edge);
  border-radius: 9px;
  padding: 8px 10px;
}

input:focus-visible, select:focus-visible { outline: none; border-color: var(--data-green); }

label.field { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--ink-2); }

form.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; align-items: end; }

/* 統計磚 */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 16px; }

.stat-tile {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: var(--radius);
  padding: 12px 10px;
  text-align: center;
}

.stat-tile .label { font-size: 11.5px; color: var(--ink-2); }

.stat-tile .value { font-family: var(--font-display); font-weight: 700; font-size: 24px; }

/* 進度 */
.meter { display: flex; gap: 2px; height: 12px; border-radius: 6px; overflow: hidden; margin: 6px 0; }
.meter .seg { flex: 1; background: var(--pine-soft); }
.meter .seg.on { background: var(--data-green); }
.meter-bar { height: 12px; border-radius: 6px; background: var(--pine-soft); overflow: hidden; margin: 6px 0; }
.meter-bar .fill { height: 100%; background: var(--data-green); border-radius: 6px; min-width: 3px; }
.meter-caption { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-2); }
.meter-caption .strong { color: var(--ink); font-weight: 600; }

/* 對話框 */
dialog {
  border: 1px solid var(--card-edge);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 20px;
  max-width: 440px;
  width: calc(100vw - 48px);
  background: var(--card);
  color: var(--ink);
}

dialog::backdrop { background: rgba(34, 48, 31, 0.4); }

dialog h3 { margin: 0 0 14px; font-family: var(--font-display); font-size: 16px; }

dialog form.stack { display: flex; flex-direction: column; gap: 12px; }

dialog .dlg-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 6px; }

/* QR */
.qr-box { text-align: center; }
.qr-box canvas { background: #fff; border-radius: 8px; padding: 8px; }
.qr-box .code-text { font-family: ui-monospace, monospace; font-size: 15px; letter-spacing: 0.08em; margin: 8px 0 2px; }
.qr-box .url-text { font-size: 11.5px; color: var(--ink-2); word-break: break-all; }

/* 登入 */
.login-box { max-width: 360px; margin: 12vh auto 0; }

.notice { border-radius: 10px; padding: 10px 14px; font-size: 13px; margin: 10px 0; }
.notice-error { background: #f6e4e2; color: #7c2f28; }
.notice-info { background: var(--pine-soft); color: var(--pine-deep); }

.muted { color: var(--ink-3); font-size: 12px; }

.hidden { display: none !important; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  z-index: 50;
  box-shadow: var(--shadow);
}

@media (max-width: 640px) {
  .table-scroll { overflow-x: auto; }
  table { min-width: 560px; }
}