:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --border: #e4e3dd;
  --text: #16160f;
  --text-secondary: #55544a;
  --muted: #8a8977;
  --accent: #2e6b4f;
  --accent-soft: #e3efe8;
  --fat: #d98b3f;
  --protein: #3f7fd9;
  --carbs: #b0553f;
  --sugar: #c74d6b;
  --danger: #c0524a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121210;
    --surface: #1a1a17;
    --border: #2c2c26;
    --text: #f2f1ea;
    --text-secondary: #b8b6a8;
    --muted: #82806f;
    --accent: #6bbf95;
    --accent-soft: #1e2e26;
    --fat: #e0a15c;
    --protein: #6fa3e8;
    --carbs: #cf7a63;
    --sugar: #e0708a;
    --danger: #e0847d;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 1.25rem 1rem 4rem; }
a { color: var(--accent); }

header.top {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  flex-wrap: wrap; margin-bottom: 1rem;
}
header.top h1 { font-size: 1.3rem; margin: 0; }
.user-badge { font-size: .78rem; color: var(--muted); display: flex; align-items: center; gap: .6rem; }
.btn {
  display: inline-flex; align-items: center; gap: .4rem; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: .5rem .9rem; font-size: .85rem; font-family: inherit;
  transition: border-color .15s, background .15s;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { opacity: .9; }
.btn.danger { color: var(--danger); }
.btn.small { padding: .3rem .6rem; font-size: .75rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.day-nav { display: flex; align-items: center; gap: .6rem; margin-bottom: 1rem; }
.day-nav .date-label { font-weight: 600; font-size: 1rem; flex: 1; text-align: center; }

.totals-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: .6rem; margin-bottom: 1.25rem;
}
.totals-grid .stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: .7rem .5rem; text-align: center;
}
.totals-grid .stat .n { font-size: 1.15rem; font-weight: 700; }
.totals-grid .stat .lbl { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; margin-top: .15rem; }
.totals-grid .stat.fat .n { color: var(--fat); }
.totals-grid .stat.protein .n { color: var(--protein); }
.totals-grid .stat.carbs .n { color: var(--carbs); }
.totals-grid .stat.sugar .n { color: var(--sugar); }

section.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 1rem 1.1rem; margin-bottom: 1.25rem;
}
section.card h2 { font-size: .95rem; margin: 0 0 .8rem; }

.entry-list { display: flex; flex-direction: column; gap: .5rem; }
.entry {
  display: flex; align-items: center; gap: .6rem; padding: .55rem .6rem;
  border: 1px solid var(--border); border-radius: 8px; font-size: .85rem;
}
.entry .food-name { font-weight: 600; flex: 1; min-width: 0; }
.entry .grams { color: var(--muted); font-size: .78rem; white-space: nowrap; }
.entry .macros { display: flex; gap: .5rem; font-size: .72rem; color: var(--muted); white-space: nowrap; }
.entry .macros .fat { color: var(--fat); }
.entry .macros .protein { color: var(--protein); }
.entry .macros .carbs { color: var(--carbs); }
.entry .macros .sugar { color: var(--sugar); }
.entry .time { color: var(--muted); font-size: .72rem; white-space: nowrap; }
.entry .del-btn {
  background: none; border: none; color: var(--muted); cursor: pointer; font-size: 1rem;
  padding: 0 .2rem; line-height: 1;
}
.entry .del-btn:hover { color: var(--danger); }
.empty-msg { color: var(--muted); font-size: .85rem; text-align: center; padding: 1rem 0; }

form.add-form { display: flex; flex-direction: column; gap: .6rem; }
form.add-form label { font-size: .78rem; color: var(--text-secondary); display: flex; flex-direction: column; gap: .25rem; }
form.add-form input, form.add-form select {
  font: inherit; font-size: .88rem; padding: .5rem .6rem; border-radius: 7px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text); width: 100%;
}
.macro-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.new-food-fields { display: none; flex-direction: column; gap: .6rem; margin-top: .3rem; padding-top: .6rem; border-top: 1px dashed var(--border); }
.new-food-fields.visible { display: flex; }
#foodSearchResults {
  list-style: none; margin: 0; padding: 0; max-height: 180px; overflow-y: auto;
  border: 1px solid var(--border); border-radius: 7px; display: none;
}
#foodSearchResults.visible { display: block; }
#foodSearchResults li {
  padding: .5rem .6rem; cursor: pointer; font-size: .85rem; border-bottom: 1px solid var(--border);
}
#foodSearchResults li:last-child { border-bottom: none; }
#foodSearchResults li:hover { background: var(--accent-soft); }
#foodSearchResults li .fsr-macro { color: var(--muted); font-size: .72rem; }

#authGate {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  background: var(--bg);
}
#authGate.hidden { display: none; }
.gate-box { text-align: center; padding: 1.5rem; }
.gate-box p { color: var(--muted); font-size: .9rem; }

.msg { font-size: .82rem; padding: .5rem .7rem; border-radius: 7px; margin-bottom: .8rem; }
.msg.error { background: rgba(192,82,74,.12); color: var(--danger); }
.msg.info { background: var(--accent-soft); color: var(--accent); }

footer.app-footer { text-align: center; color: var(--muted); font-size: .72rem; margin-top: 2rem; }