:root {
  --bg: #14110d;
  --card: #1e1a14;
  --gold: #c4a574;
  --text: #f4efe6;
  --muted: #b7aa98;
  --error: #d97878;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
.top, footer, main { max-width: 42rem; margin: 0 auto; padding: 1rem; }
.top { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.tagline { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.95rem; }
.top-nav { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }
.top-nav a { color: var(--gold); }
.top-nav button, .top-nav .inline { width: auto; }
body.has-tabbar { padding-bottom: 5.5rem; }
.card {
  background: var(--card);
  border: 1px solid #3a3226;
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}
label { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 0.75rem; }
input, select, button {
  font: inherit;
  font-size: 1rem;
  padding: 0.7rem 0.75rem;
  border-radius: 8px;
  border: 1px solid #4a4032;
  background: #12100c;
  color: var(--text);
  width: 100%;
}
button, .btn {
  background: var(--gold);
  color: #1a140c;
  text-decoration: none;
  display: inline-block;
  border: 0;
  cursor: pointer;
}
.inline { display: inline; }
.add { display: grid; gap: 0.5rem; }
.profile { display: grid; gap: 0.5rem; }
@media (min-width: 720px) {
  .add { grid-template-columns: 1fr 1fr; align-items: end; }
  .add .targets, .add button, .add .preview { grid-column: 1 / -1; }
  .add button { justify-self: start; }
  .profile { grid-template-columns: 1fr 1fr; align-items: end; }
}
.profile label:has(select) { grid-column: 1 / -1; }
.portions { list-style: none; padding: 0; }
.portions li { display: flex; justify-content: space-between; gap: 0.75rem; padding: 0.6rem 0; border-bottom: 1px solid #3a3226; align-items: flex-start; }
.portions li span { min-width: 0; }
.portions li small { display: block; margin-top: 0.25rem; }
.portions li form { flex: 0 0 auto; width: auto; }
.portions li button { width: auto; }
details.fold {
  margin: 0.75rem 0 0;
  border: 1px solid #3a3226;
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
}
details.fold summary { cursor: pointer; color: var(--gold); }
.add details.fold { grid-column: 1 / -1; }
.preview-grid { margin-top: 0.5rem; }
.add button { width: auto; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.macros strong, .micros strong { display: block; font-size: 1.15rem; }
.error { color: var(--error); }
.plan, .targets, .table-note { color: var(--muted); }
.table-note { margin: 0 0 0.85rem; font-size: 0.95rem; }
.source-badge {
  display: inline-block;
  margin-left: 0.25rem;
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--gold);
  border-radius: 999px;
  color: var(--gold);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  cursor: help;
}
.source-badge.keto-clinical {
  border-style: dashed;
  color: var(--muted);
  border-color: var(--muted);
}
.check { flex-direction: row; align-items: center; }
.signal { border: 1px solid #3a3226; border-radius: 8px; padding: 0.75rem; margin: 0.5rem 0; }
.signal.watch { border-color: var(--gold); }
.day-nav { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: end; margin: 0 0 1rem; }
.day-nav a { color: var(--gold); }
.day-nav .inline { display: flex; gap: 0.4rem; align-items: end; }
.day-nav label { margin-bottom: 0; }
.day-nav button { width: auto; }
.trends { display: grid; gap: 1rem; }
@media (min-width: 720px) {
  .trends { grid-template-columns: 1fr 1fr; }
}
.trends article { border: 1px solid #3a3226; border-radius: 8px; padding: 0.75rem; }
.ok { color: var(--gold); }
.habits h2 { margin: 1.25rem 0 0.5rem; font-size: 1.05rem; color: var(--gold); }
.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: #1a160f;
  border-top: 1px solid #3a3226;
  padding: 0.35rem 0.4rem calc(0.35rem + env(safe-area-inset-bottom));
  z-index: 20;
}
.tabbar a {
  color: var(--muted);
  text-align: center;
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.65rem 0.25rem;
}
.tabbar a.active { color: var(--gold); font-weight: 700; }
.btn { margin: 0.25rem 0.4rem 0.25rem 0; }