* { box-sizing: border-box; }

:root {
  --bg: #f2f7f2;
  --bg-2: #e8f5ee;
  --card: #ffffff;
  --text: #17231b;
  --muted: #6b7a70;
  --border: #dfe7e1;
  --accent: #2f9e5e;
  --accent-dark: #24794a;
  --note-bg: #fff8e6;
  --note-border: #f3dfa8;
  --danger: #c0392b;
  --shadow: 0 8px 30px rgba(24, 71, 44, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12171400;
    --bg-2: #101613;
    --card: #182019;
    --text: #e6efe8;
    --muted: #9bab9f;
    --border: #2a352d;
    --accent: #55c98a;
    --accent-dark: #3da971;
    --note-bg: #2a2410;
    --note-border: #4a3f18;
    --danger: #ef6b5c;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  }
  body { background: #0f1411; }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-2), var(--bg) 40%) fixed;
}

.page { max-width: 780px; margin: 0 auto; padding: 1rem 1rem 3rem; }

.top {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem; padding: .5rem 0 1rem;
}
.brand { font-size: 1.2rem; font-weight: 700; text-decoration: none; color: var(--text); }
.nav { display: flex; flex-wrap: wrap; gap: .75rem; font-size: .9rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--accent); }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 1rem 1.1rem; margin-bottom: 1rem; box-shadow: var(--shadow);
}
.card.auth { max-width: 380px; margin: 3rem auto 1rem; }

h1 { font-size: 1.35rem; margin: 0 0 .5rem; }
h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
p { margin: .4rem 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--card);
  border: 1px solid var(--border); border-radius: 10px; padding: .55rem .7rem;
  width: 100%; max-width: 100%;
}
input[type="file"] { padding: .45rem; }
label { display: block; font-size: .85rem; color: var(--muted); margin: .4rem 0; }
label input, label select { margin-top: .2rem; }
label.check { display: flex; align-items: center; gap: .4rem; }
label.check input { width: auto; }

button, .button {
  font: inherit; font-weight: 600; cursor: pointer; display: inline-block;
  border: 0; border-radius: 10px; padding: .6rem 1.1rem; margin-top: .6rem;
  background: var(--accent); color: #fff; text-decoration: none;
}
button:hover, .button:hover { background: var(--accent-dark); }
button.link {
  background: none; color: var(--accent); padding: 0; margin: 0;
  font-weight: 500; text-decoration: underline;
}
button.danger, .danger { background: none; color: var(--danger); }
button.danger:hover { background: none; text-decoration: underline; }
a { color: var(--accent); }
a.link { text-decoration: none; }

.row { display: flex; gap: .6rem; align-items: flex-end; }
.row.wrap { flex-wrap: wrap; }
.row > * { flex: 1 1 auto; }
.row button { flex: 0 0 auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }

.flash {
  background: var(--note-bg); border: 1px solid var(--note-border);
  border-radius: 12px; padding: .6rem .9rem; margin-bottom: 1rem;
}
.note {
  background: var(--note-bg); border: 1px solid var(--note-border);
  border-radius: 10px; padding: .5rem .75rem;
}

.daynav { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.totals { text-align: center; padding: .8rem 0 .2rem; }
.big { font-size: 2.4rem; font-weight: 700; line-height: 1.1; }
.unit { font-size: 1rem; font-weight: 500; color: var(--muted); }
.bar {
  height: 10px; border-radius: 999px; background: var(--bg-2);
  border: 1px solid var(--border); overflow: hidden; margin: .6rem auto; max-width: 420px;
}
.bar span { display: block; height: 100%; background: var(--accent); }
.macros { margin-top: .3rem; }

.meal { display: flex; gap: .8rem; padding: .7rem 0; border-top: 1px solid var(--border); }
.meal:first-of-type { border-top: 0; }
.meal-body { flex: 1 1 auto; min-width: 0; }
.meal-head { display: flex; gap: .6rem; align-items: baseline; flex-wrap: wrap; }
.meal-actions { display: flex; flex-direction: column; gap: .3rem; align-items: flex-end; }
.thumb { width: 72px; height: 72px; object-fit: cover; border-radius: 10px; }
.preview { max-width: 100%; border-radius: 12px; margin: .5rem 0; }
.items { margin: .3rem 0; padding-left: 1.1rem; }
.items li { margin: .15rem 0; }

.tabs { display: flex; gap: .5rem; margin: .5rem 0; flex-wrap: wrap; }
.tab {
  text-decoration: none; color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: .3rem .8rem; font-size: .9rem;
}
.tab.active { color: #fff; background: var(--accent); border-color: var(--accent); }
.tag {
  background: var(--bg-2); border-radius: 6px; padding: 0 .3rem; font-size: .8rem;
}
.food-head { display: flex; flex-direction: column; gap: .2rem; margin-bottom: .4rem; }
details summary { cursor: pointer; color: var(--accent); margin: .4rem 0; }

table.edit { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.edit th { text-align: left; font-weight: 600; color: var(--muted); padding: .3rem .3rem; }
table.edit td { padding: .2rem .3rem; vertical-align: middle; }
table.edit input { padding: .35rem .45rem; }

.advice { white-space: pre-wrap; line-height: 1.5; }
.plus { color: var(--accent); font-weight: 600; }
.minus { color: var(--danger); font-weight: 600; }
.foot { margin-top: 2rem; text-align: center; }