:root {
  --bg: #fffaf3; --card: #fff; --ink: #2b1d12; --muted: #8a7766; --line: #ecdfcf;
  --accent: #c8641e; --accent-ink: #fff; --ok: #2f8a4c; --warn: #d99a00; --bad: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #1b1410; --card: #261c16; --ink: #f4e9dd; --muted: #a8968a; --line: #3b2d23;
          --accent: #e8813a; --ok: #49b06b; --warn: #e6b23a; --bad: #e5675e; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 16px 16px 120px; }
h1 { font-size: 1.6rem; margin: 8px 0 16px; }
h2 { font-size: 1.1rem; margin: 24px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
a { color: var(--accent); }
input, select, textarea, button { font: inherit; color: inherit; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
label { display: block; margin: 8px 0; font-size: .9rem; color: var(--muted); }
label input, label select { margin-top: 4px; color: var(--ink); }
button { cursor: pointer; border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 8px 12px; }
button:disabled { opacity: .45; cursor: default; }
.big { display: block; width: 100%; padding: 14px; font-size: 1.1rem; font-weight: 600; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 12px; margin-top: 12px; }
.err { color: var(--bad); font-weight: 600; }
.muted { color: var(--muted); font-size: .9rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin: 8px 0; }
.row { display: flex; align-items: center; gap: 8px; }
.row > .grow { flex: 1; min-width: 0; }
.price { font-weight: 600; white-space: nowrap; }
.gate { max-width: 360px; padding-top: 15vh; }
.gate input { font-size: 1.4rem; text-align: center; letter-spacing: .2em; }

/* customer */
.menu-item .add { width: 48px; height: 48px; font-size: 1.6rem; line-height: 1; border-radius: 50%; background: var(--accent); color: var(--accent-ink); border: 0; flex: none; }
.menu-item .allergens { font-size: .8rem; color: var(--muted); }
.line .ctl { display: flex; gap: 6px; }
.line .ctl button { width: 40px; height: 40px; padding: 0; }
.line .opts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.line .opts .full { grid-column: 1 / -1; }
.seg { display: flex; gap: 8px; }
.seg label { flex: 1; margin: 0; }
.seg label[hidden] { display: none; }
.seg input { display: none; }
.seg span { display: block; text-align: center; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--ink); }
.seg input:checked + span { border-color: var(--accent); outline: 2px solid var(--accent); font-weight: 600; }
.bar { position: fixed; left: 0; right: 0; bottom: 0; background: var(--card); border-top: 1px solid var(--line); padding: 12px 16px; }
.bar > div { max-width: 640px; margin: 0 auto; }
.bar .big { margin: 0; }
.pay { margin: 0 0 8px; font-size: .95rem; }
.card .pay { margin: 6px 0 0; color: var(--bad); }
.bar .pay { color: var(--bad); text-align: center; }
.notice { background: var(--card); border-left: 4px solid var(--warn); padding: 10px 12px; border-radius: 8px; margin: 8px 0; }

/* order status */
.stages { display: flex; gap: 4px; margin-top: 8px; }
.stages span { flex: 1; font-size: .7rem; text-align: center; padding: 4px 0 0; border-top: 4px solid var(--line); color: var(--muted); }
.stages span.done { border-color: var(--ok); color: var(--ink); }
.stages span.cur { border-color: var(--accent); color: var(--ink); font-weight: 700; }
.eta-big { font-size: 2rem; font-weight: 700; }

/* kitchen */
.kitchen main { max-width: 1100px; }
.kbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }
.kbar .tabs { display: flex; gap: 6px; flex: 1; }
.kbar button { padding: 12px 16px; font-size: 1rem; }
.kbar .on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.open-btn.is-open { background: var(--ok); color: #fff; border-color: var(--ok); }
.orders { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.order { border: 2px solid var(--line); border-radius: 14px; background: var(--card); overflow: hidden; }
.order.new { animation: flash 1s 4; }
@keyframes flash { 50% { background: var(--warn); } }
.order header { padding: 10px 12px; border-bottom: 1px solid var(--line); }
.order header .who { font-size: 1.15rem; font-weight: 700; }
.order .pre { background: var(--warn); color: #000; border-radius: 6px; padding: 0 6px; font-weight: 700; }
.kitem { padding: 10px 12px; border-bottom: 1px solid var(--line); }
.kitem:last-child { border-bottom: 0; }
.kitem.now { background: color-mix(in srgb, var(--ok) 18%, var(--card)); box-shadow: inset 6px 0 var(--ok); }
.kitem.up { box-shadow: inset 6px 0 var(--warn); }
.kitem.out { opacity: .55; }
.kitem.gone { opacity: .4; text-decoration: line-through; }
.kitem .what { font-size: 1.15rem; font-weight: 700; }
.kitem .info { background: var(--warn); color: #000; border-radius: 6px; padding: 2px 6px; display: inline-block; margin-top: 4px; font-weight: 600; }
.badge { font-size: .8rem; padding: 2px 8px; border-radius: 99px; background: var(--line); white-space: nowrap; }
.kbtns { display: grid; grid-template-columns: 1fr 2fr auto; gap: 8px; margin-top: 8px; }
.kbtns button { min-height: 56px; font-size: 1.05rem; font-weight: 600; border-radius: 12px; }
.kbtns .next { background: var(--accent); color: var(--accent-ink); border: 0; }
.kbtns .x { width: 56px; color: var(--bad); }
.soldout-list button { min-height: 56px; width: 100%; text-align: left; font-size: 1.1rem; }
.soldout-list .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.soldout-list .chips button { width: auto; min-height: 48px; font-size: 1rem; }
.soldout-list .chips .gone { text-decoration: line-through; }
.soldout-list .gone { background: var(--bad); color: #fff; border-color: var(--bad); }
table { width: 100%; border-collapse: collapse; }
td, th { padding: 8px; border-bottom: 1px solid var(--line); text-align: left; }
td:last-child, th:last-child { text-align: right; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; }