/* 夜間便當：夜色靛藍 + 便當店燈籠琥珀。下單頁與後台共用。 */
:root {
  --bg: #f3f1ec; --panel: #fffdf8; --ink: #1f2340; --muted: #66687c; --line: #dcd8cc;
  --accent: #b85a0c; --accent-ink: #fff; --accent-soft: #f6e3cf;
  --ok: #2f7a4f; --ok-soft: #dcefe3; --warn: #9a5216; --warn-soft: #f7e4d2; --bad: #b03434; --bad-soft: #f6dcdc;
  --f-display: "LXGW WenKai TC", "Kaiti TC", "STKaiti", serif;
  --f-body: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --f-num: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12152a; --panel: #1b1f3a; --ink: #ece8dc; --muted: #a3a3b8; --line: #2f3456;
    --accent: #f0a24a; --accent-ink: #1a1206; --accent-soft: #3a2c1c;
    --ok: #7fd19f; --ok-soft: #1d3528; --warn: #f0b27a; --warn-soft: #3a2a1c; --bad: #f08c8c; --bad-soft: #3d2024;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 15px; line-height: 1.6; }
.wrap { max-width: 720px; margin: 0 auto; padding-inline: 16px; padding-block: 24px 64px; }
.wrap.wide { max-width: 1240px; }
h1 { font-family: var(--f-display); font-size: 30px; line-height: 1.25; margin: 0; text-wrap: balance; }
h2 { font-family: var(--f-display); font-size: 20px; margin: 0; }
h3 { font-size: 12.5px; letter-spacing: .08em; color: var(--muted); margin: 0; font-weight: 500; }
p { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.num { font-family: var(--f-num); font-variant-numeric: tabular-nums; }
.stack { display: grid; gap: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.between { justify-content: space-between; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.notice { background: var(--warn-soft); color: var(--warn); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.notice.ok { background: var(--ok-soft); color: var(--ok); }
.notice.bad { background: var(--bad-soft); color: var(--bad); }

button, .btn {
  font: inherit; font-size: 14px; border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 8px; padding: 8px 14px; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px; line-height: 1.3;
}
button:hover, .btn:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 700; }
button.ghost { background: transparent; }
button.danger { color: var(--bad); }
button:disabled { opacity: .45; cursor: not-allowed; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

label { display: block; font-size: 13px; color: var(--muted); }
label > input:not([type="checkbox"]), label > textarea, label > select { display: block; margin-top: 4px; }
label .req { color: var(--accent); }
input, textarea, select {
  font: inherit; font-size: 16px; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; width: 100%;
}
textarea { resize: vertical; min-height: 72px; }
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--bad); }
.err { color: var(--bad); font-size: 12.5px; min-height: 0; }
.form { display: grid; gap: 14px; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; } .span-3 { grid-column: span 3; } .span-4 { grid-column: span 4; } .span-6 { grid-column: 1 / -1; }
@media (max-width: 560px) {
  .form { grid-template-columns: minmax(0, 1fr); }
  .span-2, .span-3, .span-4 { grid-column: 1 / -1; }
}
.pill { font-size: 12px; padding: 1px 9px; border-radius: 999px; white-space: nowrap; background: var(--accent-soft); color: var(--accent); }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.off { background: transparent; color: var(--muted); border: 1px dashed var(--line); }
.toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  background: var(--ink); color: var(--bg); padding: 8px 16px; border-radius: 999px; font-size: 14px;
  opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50;
}
.toast.show { opacity: 1; }
[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }