/* 共用樣式：大字、大按鈕、高對比，方便長輩與手機使用 */
:root {
  --bg: #fffaf2;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #555;
  --primary: #b3261e;
  --primary-text: #ffffff;
  --ok: #1b6e2a;
  --warn: #9a5b00;
  --border: #d9cfc0;
  font-size: 20px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", sans-serif;
  line-height: 1.5;
}

header {
  background: var(--primary);
  color: var(--primary-text);
  padding: 14px 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}
header h1 { margin: 0; font-size: 1.4rem; }

main { max-width: 960px; margin: 0 auto; padding: 16px; }

h2 { font-size: 1.3rem; margin: 24px 0 12px; }

button {
  font: inherit;
  min-height: 52px;
  padding: 8px 18px;
  border-radius: 12px;
  border: 2px solid var(--primary);
  background: var(--card);
  color: var(--primary);
  font-weight: bold;
  cursor: pointer;
}
button.primary { background: var(--primary); color: var(--primary-text); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 4px solid #1a73e8;
  outline-offset: 2px;
}

input, textarea, select {
  font: inherit;
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
}
label { display: block; margin: 12px 0 4px; font-weight: bold; }

.card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--primary); font-weight: bold; }
.price { font-weight: bold; font-size: 1.2rem; }

/* ---------- 顧客點餐 ---------- */
.product { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.product-info { flex: 1 1 220px; }
.product-name { font-size: 1.3rem; font-weight: bold; margin: 0; }
.product-desc { margin: 4px 0 0; color: var(--muted); font-size: 0.9rem; }
.qty { display: flex; align-items: center; gap: 8px; }
.qty button { width: 56px; min-height: 56px; padding: 0; font-size: 1.6rem; }
.qty-value { min-width: 2ch; text-align: center; font-size: 1.4rem; font-weight: bold; }

.cart-bar {
  position: sticky;
  bottom: 0;
  background: var(--card);
  border-top: 3px solid var(--primary);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.cart-total { font-size: 1.3rem; font-weight: bold; }

.big-number {
  font-size: 5rem;
  font-weight: bold;
  color: var(--primary);
  text-align: center;
  margin: 8px 0;
  line-height: 1.1;
}
.center { text-align: center; }

/* ---------- 廚房 ---------- */
.orders-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.order-card h3 { margin: 0 0 4px; font-size: 1.6rem; }
.order-card ul { padding-left: 1.2em; margin: 8px 0; font-size: 1.1rem; }
.order-card .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.status-new { border-color: var(--primary); border-width: 4px; }
.status-preparing { border-color: var(--warn); border-width: 4px; }
.status-done, .status-cancelled { opacity: 0.6; }
.source-test { border-style: dashed; background: #f4f4f4; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.85rem; background: #eee; margin-right: 4px; }

/* ---------- 後台 ---------- */
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { border: 1px solid var(--border); padding: 8px; text-align: left; }
th { background: #f3ebdd; }
td.num, th.num { text-align: right; }
.table-wrap { overflow-x: auto; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.row-actions button { min-height: 44px; padding: 4px 12px; }
.tabs { display: flex; gap: 8px; margin-bottom: 8px; }
.tabs button[aria-selected="true"] { background: var(--primary); color: var(--primary-text); }
.stat-boxes { display: flex; gap: 12px; flex-wrap: wrap; }
.stat-box { flex: 1 1 160px; }
.stat-box .value { font-size: 2rem; font-weight: bold; }

/* ---------- 語音模擬器 ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.robot { text-align: center; }
.robot-face { font-size: 4rem; line-height: 1.2; }
.robot-status { font-size: 1.3rem; font-weight: bold; margin: 4px 0 12px; }
.mic-button { width: 100%; max-width: 360px; min-height: 72px; font-size: 1.3rem; border-radius: 999px; }
.chat-log { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.bubble { max-width: 85%; padding: 10px 14px; border-radius: 16px; border: 2px solid var(--border); background: var(--card); }
.bubble-user { align-self: flex-end; background: #fdecea; border-color: #f1b8b3; }
.bubble-robot { align-self: flex-start; }
.bubble-who { font-size: 0.8rem; color: var(--muted); }
.tool-call { margin-top: 6px; font-size: 0.85rem; color: var(--muted); }
.tool-call pre { white-space: pre-wrap; word-break: break-all; margin: 4px 0 0; font-size: 0.8rem; }
.text-form { display: flex; gap: 8px; }
.text-form input { flex: 1; }
.sim-options { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin: 12px 0; }
label.inline { display: flex; gap: 8px; align-items: center; font-weight: normal; margin: 0; }
label.inline input { width: auto; transform: scale(1.4); }