*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--canvas);
  padding-bottom: calc(56px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color: transparent;
}

/* ---------- layout ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; padding-top: calc(10px + env(safe-area-inset-top));
  background: var(--canvas-subtle);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 16px; font-weight: 600; margin: 0; flex: 1; }
.topbar .meta { font-size: 12px; color: var(--fg-muted); font-weight: 400; }

main { max-width: 720px; margin: 0 auto; padding: 16px; }

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  display: flex;
  background: var(--canvas-subtle);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar button {
  flex: 1; appearance: none; border: 0; background: none; cursor: pointer;
  padding: 8px 4px 10px; font: inherit; font-size: 11px;
  color: var(--fg-muted); display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.tabbar button .ico { font-size: 18px; line-height: 1; }
.tabbar button[aria-selected='true'] { color: var(--accent-fg); font-weight: 600; }

/* ---------- cards ---------- */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--canvas);
  margin-bottom: 12px;
  overflow: hidden;
}
.card-head {
  display: flex; align-items: baseline; gap: 8px;
  padding: 10px 14px;
  background: var(--canvas-subtle);
  border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 14px;
}
.card-head .sub { font-weight: 400; font-size: 12px; color: var(--fg-muted); margin-left: auto; }
.card-body { padding: 6px 14px 12px; }

.slot { padding: 8px 0; border-top: 1px solid var(--border-muted); }
.slot:first-child { border-top: 0; }
.slot-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--fg-muted); margin-bottom: 5px;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); border-radius: 999px;
  padding: 3px 4px 3px 10px; font-size: 13px;
  background: var(--canvas-subtle);
}
.chip .x {
  appearance: none; border: 0; background: none; cursor: pointer;
  color: var(--fg-muted); font-size: 15px; line-height: 1;
  padding: 0 5px; border-radius: 999px;
}
.chip .x:hover { color: var(--danger-fg); }

.add {
  appearance: none; cursor: pointer; font: inherit; font-size: 13px;
  border: 1px dashed var(--border); border-radius: 999px;
  padding: 4px 12px; background: none; color: var(--accent-fg);
}
.add:hover { background: var(--accent-subtle); }

/* ---------- buttons & inputs ---------- */
.btn {
  appearance: none; cursor: pointer; font: inherit; font-size: 14px;
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 6px 14px; background: var(--btn-bg); color: var(--fg);
  box-shadow: var(--shadow);
}
.btn:hover { background: var(--btn-hover); }
.btn.primary { background: var(--success-emphasis); border-color: rgba(27,31,36,.15); color: #fff; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.danger { color: var(--danger-fg); }
.btn.small { font-size: 12px; padding: 3px 10px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 16px; }

label.field { display: block; margin-bottom: 12px; font-size: 13px; color: var(--fg-muted); }
label.field span { display: block; margin-bottom: 4px; }
input[type='text'], input[type='number'], input[type='date'], select {
  width: 100%; font: inherit; font-size: 15px; color: var(--fg);
  background: var(--canvas); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 6px 10px;
}
input:focus, select:focus { outline: 2px solid var(--accent-emphasis); outline-offset: -1px; border-color: var(--accent-emphasis); }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }

/* ---------- shopping list ---------- */
.shop-group { margin-bottom: 6px; }
.shop-cat {
  font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--fg-muted); font-weight: 600;
  padding: 10px 14px 6px;
  background: var(--canvas-subtle); border-bottom: 1px solid var(--border);
}
.shop-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 14px; border-bottom: 1px solid var(--border-muted);
  cursor: pointer;
}
.shop-item:last-child { border-bottom: 0; }
.shop-item input { margin: 3px 0 0; width: 18px; height: 18px; accent-color: var(--success-emphasis); flex: none; }
.shop-item .amt { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 62px; flex: none; }
.shop-item .nm { flex: 1; }
.shop-item .src { display: block; font-size: 11px; color: var(--fg-subtle); }
.shop-item.done .amt, .shop-item.done .nm { text-decoration: line-through; color: var(--fg-subtle); font-weight: 400; }

/* ---------- recipes ---------- */
details.recipe { border-bottom: 1px solid var(--border-muted); }
details.recipe:last-child { border-bottom: 0; }
details.recipe > summary {
  padding: 10px 14px; cursor: pointer; font-size: 14px;
  display: flex; align-items: center; gap: 8px;
}
details.recipe > summary::-webkit-details-marker { display: none; }
details.recipe > summary::before { content: '▸'; color: var(--fg-subtle); font-size: 11px; }
details.recipe[open] > summary::before { content: '▾'; }
details.recipe > summary .kind { margin-left: auto; font-size: 11px; color: var(--fg-subtle); }
.ing { list-style: none; margin: 0; padding: 0 14px 12px 30px; }
.ing li { font-size: 13px; color: var(--fg-muted); display: flex; gap: 8px; padding: 2px 0; }
.ing li b { font-weight: 600; color: var(--fg); font-variant-numeric: tabular-nums; min-width: 78px; }
.note { padding: 0 14px 10px 30px; font-size: 13px; color: var(--fg-muted); font-style: italic; }

/* ---------- picker sheet ---------- */
.sheet-backdrop {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(1, 4, 9, 0.5);
  display: flex; align-items: flex-end; justify-content: center;
}
.sheet {
  width: 100%; max-width: 720px; max-height: 88vh;
  display: flex; flex-direction: column;
  background: var(--canvas);
  border: 1px solid var(--border);
  border-radius: 12px 12px 0 0;
  box-shadow: var(--shadow-lg);
  padding-bottom: env(safe-area-inset-bottom);
}
.sheet-head {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-bottom: 1px solid var(--border);
}
.sheet-head strong { flex: 1; font-size: 15px; }
.sheet-search { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.sheet-list { overflow-y: auto; -webkit-overflow-scrolling: touch; flex: 1; }
.sheet-kind {
  font-size: 11px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600;
  color: var(--fg-muted); padding: 10px 14px 4px; background: var(--canvas-subtle);
}
.opt { display: flex; align-items: center; gap: 10px; padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--border-muted); }
.opt input { width: 18px; height: 18px; accent-color: var(--accent-emphasis); flex: none; }
.opt .nm { flex: 1; font-size: 14px; }
.opt small { color: var(--fg-subtle); font-size: 11px; }

.empty { color: var(--fg-muted); font-size: 14px; padding: 18px 4px; text-align: center; }
.hint { font-size: 12px; color: var(--fg-muted); margin: -4px 0 14px; }
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(70px + env(safe-area-inset-bottom)); z-index: 50;
  background: var(--fg); color: var(--canvas);
  font-size: 13px; padding: 8px 16px; border-radius: 999px;
  box-shadow: var(--shadow-lg);
}
.drink-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-top: 1px solid var(--border-muted); }
.drink-row:first-child { border-top: 0; }
.drink-row input[type='checkbox'] { width: 18px; height: 18px; accent-color: var(--success-emphasis); flex: none; }
.drink-row .nm { flex: 1; font-size: 14px; }
.drink-row input[type='number'] { width: 76px; flex: none; text-align: right; }
.drink-row .unit { font-size: 12px; color: var(--fg-muted); width: 56px; flex: none; }