:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d232b; --muted: #5f6b7a; --line: #dde2e8;
  --accent: #2f6f4f; --accent-soft: #dcefe3; --water: #2a6fb0; --error: #b3261e; --info: #1f5c99;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14181d; --card: #1d232b; --text: #e7ebf0; --muted: #9aa6b4; --line: #2f3843;
    --accent: #7cc69c; --accent-soft: #23392d; --water: #7ab3e8; --error: #ffb4ab; --info: #9cc7f5; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
header.top { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
nav { display: flex; flex-wrap: wrap; gap: 4px 14px; flex: 1; }
nav a { text-decoration: none; }
main { max-width: 1000px; margin: 0 auto; padding: 16px; }
footer { text-align: center; color: var(--muted); font-size: 13px; padding: 16px; }
h1 { font-size: 24px; margin: 8px 0 12px; }
h2 { font-size: 18px; margin: 0 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; overflow-x: auto; }
.narrow { max-width: 460px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.tile { display: block; text-decoration: none; color: var(--text); margin: 0; }
.columns { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
@media (max-width: 720px) { .columns { grid-template-columns: 1fr; } }
label { display: block; margin: 0 0 12px; font-weight: 600; }
input[type=email], input[type=password], input:not([type]), input[name=code] { display: block; width: 100%; margin-top: 4px; padding: 10px; font: inherit; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); }
td input[type=password] { display: inline-block; width: 150px; padding: 4px 8px; margin: 0; }
label.check { font-weight: 400; }
button { font: inherit; padding: 9px 16px; border-radius: 8px; border: 0; background: var(--accent); color: var(--card); cursor: pointer; }
button.small { padding: 4px 10px; font-size: 14px; }
button.danger { background: var(--error); }
button.link { background: none; color: var(--accent); padding: 0; }
form.inline { display: inline; }
.error { color: var(--error); font-weight: 600; }
.info { color: var(--info); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.pre { white-space: pre-wrap; }
table { border-collapse: collapse; width: 100%; }
table.list th, table.list td { text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.nutrients th { text-align: left; font-weight: 400; padding: 3px 12px 3px 0; color: var(--muted); }
table.nutrients td { text-align: right; padding: 3px 0; font-variant-numeric: tabular-nums; }
.num { text-align: right !important; font-variant-numeric: tabular-nums; }
td.actions { white-space: nowrap; }
tr.disabled td { color: var(--muted); }
.daynav { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.daynav h1 { text-align: center; font-size: 20px; }
meter { display: block; width: 100%; height: 12px; margin: 4px 0; }
td meter { display: inline-block; width: 110px; height: 8px; margin-right: 8px; vertical-align: middle; }
.chips a { display: inline-block; padding: 4px 12px; border: 1px solid var(--line); border-radius: 16px; margin-right: 6px; text-decoration: none; }
.chips a.on { background: var(--accent-soft); }

/* Editing */
.row { display: flex; gap: 8px; align-items: flex-end; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; align-items: center; }
.row > label { flex: 1; }
.row form { margin: 0; }
.small-form { margin-top: 8px; }
.spaced { margin-top: 16px; }
a.button { display: inline-block; padding: 9px 16px; border-radius: 8px; background: var(--accent); color: var(--card); text-decoration: none; }
a.button.secondary, button.secondary { background: var(--accent-soft); color: var(--text); }
input[type=date], input[type=time], input[type=url], select, textarea, input[name=q], input[name=barcode], input[name=name], input.grams, .suffix input {
  font: inherit; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text);
}
input[name=q], input[name=barcode], input[type=url] { flex: 1; min-width: 0; }
label > select, label > textarea, label > input[type=date], label > input[type=time] { display: block; width: 100%; margin-top: 4px; }
textarea { width: 100%; resize: vertical; }
input.grams { width: 90px; }
.suffix { display: flex; align-items: center; gap: 6px; font-weight: 400; margin-top: 4px; }
.suffix input { width: 120px; }
label.inline-field { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-weight: 400; margin-bottom: 6px; }
label.inline-field .suffix { margin-top: 0; }
ul.results { list-style: none; padding: 0; margin: 0; }
ul.results li { padding: 8px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
details summary { cursor: pointer; color: var(--accent); margin-top: 8px; }
.columns.even { grid-template-columns: 1fr 1fr; }
@media (max-width: 720px) { .columns.even { grid-template-columns: 1fr; } }