/* 配色：黑白灰 + 單一重點色（SITCON 綠），只用在主要按鈕與選取狀態 */
:root {
  --accent: #5a9e2f;
  --bg: #ffffff;
  --surface: #ffffff;
  --subtle: #f5f5f5;
  --text: #111111;
  --muted: #6b6b6b;
  --border: #e3e3e3;
  --danger: #c43d3d;
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --accent: #7cc24f;
    --bg: #111111;
    --surface: #111111;
    --subtle: #1c1c1c;
    --text: #eeeeee;
    --muted: #9a9a9a;
    --border: #2e2e2e;
    --danger: #ef7d7d;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text); text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; color: inherit; }

.mock-banner {
  background: var(--subtle);
  color: var(--muted);
  text-align: center;
  font-size: 13px;
  padding: 6px 16px;
}

.topbar { border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.topbar img { height: 24px; display: block; }
.topbar .title { font-weight: 700; white-space: nowrap; }
.topbar .spacer { flex: 1; }
.topbar .user { color: var(--muted); font-size: 14px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.topbar .user a { color: var(--muted); }
.topbar .user .email { overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.wide .topbar-inner, .wide main { max-width: 1080px; }

.linkbtn {
  background: none; border: 0; padding: 0; cursor: pointer;
  color: var(--muted); text-decoration: underline; text-underline-offset: 3px;
}

main { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 8px; font-size: 20px; }
.card h3 { margin: 24px 0 8px; font-size: 16px; }
.lead { color: var(--muted); margin: 0 0 16px; }

.center { text-align: center; }
.login-card { max-width: 420px; margin: 48px auto; text-align: center; padding: 40px 24px; }
.login-card img { width: 160px; max-width: 70%; margin-bottom: 16px; }
.login-card .gbtn { display: flex; justify-content: center; margin-top: 24px; min-height: 44px; }

.stepper { display: flex; gap: 6px; margin-bottom: 20px; }
.stepper .s {
  flex: 1; text-align: center; font-size: 13px; color: var(--muted);
  padding-top: 8px; border-top: 3px solid var(--border);
}
.stepper .s.on { color: var(--text); border-color: var(--accent); font-weight: 700; }
.stepper .s.done { border-color: var(--accent); }

.notice {
  border-left: 3px solid var(--border);
  padding: 4px 0 4px 16px;
  margin-bottom: 16px;
}
.notice.danger { border-color: var(--danger); }
.notice.danger b { color: var(--danger); }
.notice p { margin: 0 0 6px; }
.notice p:last-child { margin-bottom: 0; }
.notice a { word-break: break-all; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }

.check { display: flex; gap: 10px; align-items: flex-start; margin: 16px 0; cursor: pointer; }
.check input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--accent); flex: none; }

.actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; flex-wrap: wrap; }
.actions.split { justify-content: space-between; }

.btn {
  border: 1px solid var(--border); background: var(--surface); border-radius: 8px;
  padding: 10px 20px; cursor: pointer; font-weight: 500; min-height: 44px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; text-decoration: none; color: var(--text);
}
.btn:hover { background: var(--subtle); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
.btn.primary:hover { filter: brightness(.94); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 6px 14px; min-height: 36px; font-size: 14px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.tile {
  text-align: left; cursor: pointer; border: 1px solid var(--border); background: var(--surface);
  border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 4px; min-height: 64px;
}
.tile:hover { border-color: var(--muted); }
.tile.on { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.tile .name { font-weight: 700; }
.tile .desc { color: var(--muted); font-size: 14px; }

.field { margin-bottom: 20px; }
.field > label, .field > .label { display: block; font-weight: 500; margin-bottom: 6px; }
.field .hint { color: var(--muted); font-size: 14px; margin-top: 4px; }
.field .err { color: var(--danger); font-size: 14px; margin-top: 4px; }
.req::after { content: " *"; color: var(--danger); }
.input, select.input, textarea.input {
  width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  background: var(--surface); min-height: 44px;
}
.input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea.input { min-height: 96px; resize: vertical; }
.money { position: relative; }
.money span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.money .input { padding-left: 46px; }

.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg label { padding: 10px 26px; cursor: pointer; min-height: 44px; display: flex; align-items: center; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label + label { border-left: 1px solid var(--border); }
.seg label.on { background: var(--accent); color: #fff; font-weight: 700; }

.drop {
  border: 1px dashed var(--muted); border-radius: var(--radius); padding: 24px 16px; text-align: center;
  color: var(--muted); cursor: pointer;
}
.drop.over, .drop:hover { border-color: var(--accent); color: var(--text); }
.files { display: grid; gap: 8px; margin-top: 12px; }
.file {
  display: flex; align-items: center; gap: 12px; padding: 8px; border: 1px solid var(--border);
  border-radius: var(--radius);
}
.file .thumb {
  width: 48px; height: 48px; border-radius: 6px; flex: none; object-fit: cover; background: var(--subtle);
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: var(--muted);
}
.file .meta { flex: 1; min-width: 0; }
.file .meta .n { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file .meta .s { color: var(--muted); font-size: 13px; }

/* 狀態只用文字顏色區分，不加底色 */
.badge {
  display: inline-block; padding: 1px 10px; border-radius: 999px; font-size: 13px; font-weight: 500;
  border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.badge.已核准 { color: var(--accent); border-color: var(--accent); }
.badge.已退回 { color: var(--danger); border-color: var(--danger); }
.badge.已撥款 { color: var(--text); border-color: var(--text); }

.record { padding: 16px 20px; }
.record .row1 { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.record .what { font-weight: 700; }
.record .amounts { display: flex; gap: 20px; margin-top: 8px; flex-wrap: wrap; }
.record .amounts b { font-variant-numeric: tabular-nums; }
.record .rnote { margin-top: 8px; padding: 8px 12px; border-radius: 6px; background: var(--subtle); font-size: 14px; }

.sub { color: var(--muted); font-size: 14px; }
.id { color: var(--muted); font-size: 13px; font-family: ui-monospace, monospace; }
.empty { text-align: center; color: var(--muted); padding: 40px 16px; }
.spinner {
  width: 24px; height: 24px; border: 2px solid var(--border); border-top-color: var(--text);
  border-radius: 50%; animation: spin .8s linear infinite; margin: 24px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 10;
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 8px; font-size: 15px;
  max-width: calc(100% - 32px);
}
.toast.error { background: var(--danger); color: #fff; }

.done-icon {
  width: 56px; height: 56px; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-size: 28px; margin: 8px auto 16px;
}
.claim-id { font-family: ui-monospace, monospace; font-size: 22px; font-weight: 700; letter-spacing: 1px; }

/* ---------- admin ---------- */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.toolbar .input { max-width: 260px; }
.tabs { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tab {
  border: 0; border-bottom: 2px solid transparent; background: none; padding: 8px 0; margin-bottom: -1px;
  cursor: pointer; font-size: 15px; color: var(--muted);
}
.tab.on { color: var(--text); border-color: var(--accent); font-weight: 700; }
.tab .c { margin-left: 4px; font-variant-numeric: tabular-nums; }

.claim { padding: 0; overflow: hidden; }
.claim summary {
  list-style: none; cursor: pointer; padding: 14px 20px; display: grid; gap: 4px 16px;
  grid-template-columns: 1fr auto; align-items: center;
}
.claim summary::-webkit-details-marker { display: none; }
.claim summary:hover { background: var(--subtle); }
.claim summary .l1 { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.claim summary .l2 { color: var(--muted); font-size: 14px; }
.claim summary .r { text-align: right; display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }
.claim summary .amt { font-variant-numeric: tabular-nums; font-weight: 700; }
.claim .flagcount { color: var(--danger); font-size: 13px; }
.claim .body { border-top: 1px solid var(--border); padding: 20px; display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 760px) { .claim .body { grid-template-columns: 1fr; } }
.claim .body h4 { margin: 0 0 8px; font-size: 15px; }
.previews { display: grid; gap: 10px; }
.preview { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.preview img { width: 100%; display: block; max-height: 420px; object-fit: contain; background: #fff; }
.preview a { display: block; padding: 8px 12px; font-size: 14px; word-break: break-all; }
.flags { margin: 0; padding-left: 20px; color: var(--danger); font-size: 14px; }
.flags li { margin-bottom: 4px; }
.ocr-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.ocr-table th, .ocr-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.ocr-table th { color: var(--muted); font-weight: 500; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.review-box { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 16px; }
.review-box .actions { margin-top: 12px; }