:root {
  --gold: #b8863a;
  --gold-dk: #8f6526;
  --bg: #faf7f0;
  --panel: #fff;
  --line: #e6ddc9;
  --text: #2a2420;
  --muted: #7a6f5f;
  --danger: #c0392b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Noto Sans JP", "Meiryo", sans-serif;
  font-size: 14px;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 800; font-size: 18px; color: var(--gold-dk); }
.brand-sub { font-weight: 700; color: var(--muted); font-size: 14px; margin-left: 4px; }
.ver { font-size: 11px; color: var(--muted); }

.tabbar {
  display: flex; gap: 4px;
  padding: 0 14px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.tab-btn {
  border: none; background: none; cursor: pointer;
  padding: 10px 14px; font-size: 13px; font-weight: 700; color: var(--muted);
  border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--gold-dk); border-bottom-color: var(--gold); }
.tab-btn:hover:not(.active) { color: var(--text); }

.tab-content { display: none; padding: 16px 18px; max-width: 980px; }
.tab-content.active { display: block; }

.tab-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.tab-title { font-size: 15px; font-weight: 800; color: var(--gold-dk); }
.tab-desc { font-size: 12.5px; color: var(--muted); margin: 4px 0 10px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.panel-section { margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.panel-section:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.panel-title { font-size: 13px; font-weight: 800; color: var(--gold-dk); margin-bottom: 10px; }

.field-row { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.field-row label { font-size: 12.5px; color: var(--muted); font-weight: 700; }
.field-row textarea, .field-row input[type="text"], .field-row input[type="number"], select {
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 9px; font-size: 13px;
  background: #fff; color: var(--text); font-family: inherit;
}
.field-row.inline { flex-direction: row; align-items: center; gap: 10px; flex-wrap: wrap; }
.field-row.inline label { display: flex; align-items: center; gap: 6px; font-weight: 400; color: var(--text); }
.field-row.wrap { flex-wrap: wrap; }

.btn-primary {
  border: none; border-radius: 7px; background: var(--gold); color: #fff;
  font-weight: 800; font-size: 13px; padding: 7px 16px; cursor: pointer;
}
.btn-primary:hover { background: var(--gold-dk); }
.btn-ghost {
  border: 1px solid var(--gold); border-radius: 7px; background: #fff; color: var(--gold-dk);
  font-weight: 800; font-size: 13px; padding: 6px 14px; cursor: pointer;
}
.btn-ghost:hover { background: #f1e8d8; }
.btn-danger { border: none; background: none; color: var(--danger); font-size: 12px; cursor: pointer; padding: 2px 6px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 10px 0; }
.data-table th, .data-table td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); }
.data-table th { font-size: 11px; letter-spacing: .04em; color: var(--muted); text-transform: uppercase; }
.data-table .col-n { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .empty { text-align: center; color: var(--muted); padding: 16px; }

.nutrition-preview { display: flex; gap: 10px; flex-wrap: wrap; }
.nutrition-card { background: #f7f1e2; border: 1px solid var(--line); border-radius: 8px; padding: 10px 16px; min-width: 100px; text-align: center; }
.nutrition-card .label { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.nutrition-card .value { font-size: 18px; font-weight: 800; color: var(--gold-dk); font-variant-numeric: tabular-nums; }

.muted { color: var(--muted); }
.small { font-size: 12px; }