:root {
  --bg: #f6f7f9; --surface: #fff; --text: #14181f; --muted: #5d6675; --border: #d9dde4;
  --accent: #0b6bcb; --accent-text: #fff; --ok: #1a8f4c; --over: #c8312b;
  --radius: 14px; --tap: 48px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --surface: #181d25; --text: #eef1f6; --muted: #9aa4b5; --border: #2b3340;
    --accent: #4da3ff; --accent-text: #06121f; --ok: #46c27d; --over: #ff6b63;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}
h2 { font-size: 1.05rem; margin: 20px 0 8px; }
h3 { margin: 0 0 8px; font-size: 1.05rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; padding-top: calc(8px + env(safe-area-inset-top));
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.datebox { flex: 1; display: flex; gap: 8px; justify-content: center; align-items: center; }
.icon-btn { width: var(--tap); height: var(--tap); font-size: 1.6rem; }

main { max-width: 760px; margin: 0 auto; padding: 12px; }

/* Controls */
button, input, select {
  font: inherit; color: inherit; min-height: var(--tap);
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface); padding: 0 12px;
}
input[type="checkbox"], input[type="radio"] { min-height: 0; width: 22px; height: 22px; }
button { cursor: pointer; }
.btn, .chip { display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
.btn.danger { color: var(--over); }
.chip { min-height: 40px; border-radius: 999px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--muted); }
label input, label select { color: var(--text); }
label.check { flex-direction: row; align-items: center; gap: 10px; color: var(--text); min-height: var(--tap); }
.camera-btn { flex-direction: row; align-items: center; justify-content: center; min-height: var(--tap);
  border: 1px solid var(--accent); border-radius: 10px; color: var(--accent); font-weight: 600; padding: 0 16px; cursor: pointer; align-self: end; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin: 8px 0; }
.row > * { flex: 1; }
input[type="search"] { width: 100%; margin: 10px 0; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin: 12px 0; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.stat.wide { grid-column: span 2; }
.stat .label { color: var(--muted); font-size: .85rem; }
.stat .value { font-size: 1.5rem; font-weight: 700; }
.stat .value small { font-size: .85rem; font-weight: 400; color: var(--muted); }
.bar { height: 10px; background: var(--border); border-radius: 999px; overflow: hidden; margin-top: 8px; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: inherit; }
.bar.over > span { background: var(--over); }

.rings { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 10px; }
.ring {
  --p: 0; --c: var(--accent); display: grid; place-items: center; text-align: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px;
}
.ring .dial {
  width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--c) calc(var(--p) * 1%), var(--border) 0);
}
.ring .dial::before { content: attr(data-pct); display: grid; place-items: center; width: 58px; height: 58px;
  border-radius: 50%; background: var(--surface); font-size: .85rem; font-weight: 600; }
.ring.over { --c: var(--over); }
.ring .name { font-size: .85rem; margin-top: 6px; }
.ring .amt { font-size: .75rem; color: var(--muted); }

/* Lists */
.list { display: grid; gap: 8px; }
.item {
  display: flex; align-items: center; gap: 10px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px; padding: 8px 8px 8px 14px; min-height: var(--tap);
}
.item .grow { flex: 1; min-width: 0; }
.item .title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .sub { color: var(--muted); font-size: .85rem; }
.item button { min-width: var(--tap); }
.group-title { margin: 14px 0 6px; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-grid > h3, .span2 { grid-column: 1 / -1; }
.card > label { margin-bottom: 8px; }
.live { margin: 8px 0; }
.ing-row { display: grid; grid-template-columns: 1fr 96px var(--tap); gap: 8px; margin: 8px 0; }
.metric-row { display: grid; grid-template-columns: 1fr 70px 90px var(--tap); gap: 6px; margin: 6px 0; }
.ai-item { display: grid; grid-template-columns: 1fr 90px; gap: 8px; padding: 8px 0; border-top: 1px solid var(--border); }

/* Dialog */
dialog { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text);
  width: min(92vw, 460px); padding: 16px; max-height: 88vh; }
dialog::backdrop { background: rgb(0 0 0 / .5); }
dialog form { display: grid; gap: 10px; }

/* Tab bar + toast */
.tabbar {
  position: fixed; inset: auto 0 0 0; z-index: 6; display: grid; grid-template-columns: repeat(5, 1fr);
  background: var(--surface); border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom);
}
.tabbar button { border: 0; border-radius: 0; min-height: 60px; background: none; color: var(--muted); }
.tabbar button.active { color: var(--accent); font-weight: 700; }
#toast {
  position: fixed; left: 50%; bottom: calc(80px + env(safe-area-inset-bottom)); transform: translate(-50%, 20px);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 999px; opacity: 0;
  transition: .2s; pointer-events: none; z-index: 20; max-width: 90vw;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (min-width: 720px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .stat.wide { grid-column: auto; }
}
[hidden] { display: none !important; }