:root {
  --bg: #f4f7f5;
  --surface: #ffffff;
  --surface-2: #eef3f0;
  --ink: #1b2a26;
  --muted: #5b6d68;
  --line: #d9e3de;
  --primary: #1c7457;
  --primary-hover: #155f47;
  --primary-soft: #e2f1ea;
  --amber: #a5600c;
  --amber-soft: #fdf1df;
  --red: #b3261e;
  --red-soft: #fce9e7;
  --blue: #2a5d8a;
  --blue-soft: #e5eef8;
  --violet: #6b4fa0;
  --violet-soft: #efeaf8;
  --radius: 10px;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --num: "IBM Plex Sans", "Noto Sans TC", system-ui, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}
h1, h2, h3, h4 { margin: 0; line-height: 1.35; text-wrap: balance; }
p { margin: 0; }
a { color: var(--primary); }
button, input, select, textarea { font: inherit; color: inherit; }
.num { font-family: var(--num); font-variant-numeric: tabular-nums; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; padding: 8px 18px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  font-weight: 500; cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--surface-2); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible, .pick:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent); outline-offset: 2px;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { color: var(--red); border-color: color-mix(in srgb, var(--red) 35%, var(--line)); }
.btn.danger:hover { background: var(--red-soft); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--primary); }
.btn.ghost:hover { background: var(--primary-soft); }
.btn.small { min-height: 36px; padding: 4px 12px; font-size: 14.5px; }
.btn.big { min-height: 54px; font-size: 17px; padding: 10px 24px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > label, .label { font-weight: 500; font-size: 15px; }
.field .hint { font-size: 13.5px; color: var(--muted); }
.field .err { font-size: 14px; color: var(--red); }
input[type=text], input[type=tel], input[type=email], input[type=number], input[type=password], input[type=search], input[type=date], select, textarea {
  width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #c7d4ce; border-radius: 8px; background: #fff;
}
textarea { min-height: 88px; resize: vertical; }
input.bad, textarea.bad { border-color: var(--red); background: var(--red-soft); }
input[type=checkbox], input[type=radio] { width: 20px; height: 20px; accent-color: var(--primary); }

.pill {
  display: inline-flex; align-items: center; gap: 4px; padding: 1px 10px; border-radius: 999px;
  font-size: 13.5px; font-weight: 500; white-space: nowrap; line-height: 1.7;
}
.pill.pending { background: var(--amber-soft); color: var(--amber); }
.pill.approved { background: var(--blue-soft); color: var(--blue); }
.pill.exported { background: var(--primary-soft); color: var(--primary); }
.pill.rejected, .pill.cancelled { background: var(--surface-2); color: var(--muted); }
.pill.s711 { background: #fff0e3; color: #b0480e; }
.pill.sfami { background: #e4f3ff; color: #1d5f99; }
.pill.demo { background: var(--violet-soft); color: var(--violet); }

.muted { color: var(--muted); }
.small { font-size: 14px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.spacer { flex: 1; }