:root {
  --bg: #0f1115; --card: #171a21; --fg: #e8eaed; --fg-dim: #9aa0aa; --line: #262a33;
  --grid: #22262e; --accent: #6ea8fe;
  --c-kcal: #4c7dfd; --c-line: #ffd166; --c-goal: #7a8291;
  --c-p: #5bd1a0; --c-f: #ffb457; --c-c: #6ea8fe; --c-fb: #b39ddb;
  --ok: #3ddc97; --warn: #ffb457; --bad: #ff6b6b;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f5f6f8; --card: #fff; --fg: #1b1e24; --fg-dim: #6b7280; --line: #e5e7eb; --grid: #eceef2; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; padding-bottom: 72px; }
main { max-width: 680px; margin: 0 auto; padding: 12px; }
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 14px; margin: 0 0 10px; color: var(--fg-dim); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
a { color: var(--accent); text-decoration: none; }
p { margin: 8px 0; }
ul { margin: 8px 0; padding-left: 18px; }
li { margin: 3px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-bottom: 12px; }
.muted { color: var(--fg-dim); }
.small { font-size: 12px; }
.err { color: var(--bad); }

.daynav { display: flex; align-items: center; justify-content: space-between; padding: 6px 4px 12px; }
.daynav a { font-size: 26px; line-height: 1; padding: 0 10px; }

.banner { background: #3a2f14; color: #ffd166; border-radius: 10px; padding: 10px 12px; margin-bottom: 12px; font-size: 13px; }
.banner.ok { background: #143a2a; color: var(--ok); }

.ring-row { display: flex; gap: 16px; align-items: center; }
.ring { width: 128px; height: 128px; flex: none; transform: rotate(-90deg); }
.ring .track { fill: none; stroke: var(--grid); stroke-width: 10; }
.ring .value { fill: none; stroke: var(--c-kcal); stroke-width: 10; stroke-linecap: round; transition: stroke-dasharray .4s; }
.ring .value.over { stroke: var(--bad); }
.ring text { transform: rotate(90deg); transform-origin: 60px 60px; text-anchor: middle; fill: var(--fg); }
.ring .big { font-size: 22px; font-weight: 700; }
.ring .small { font-size: 10px; fill: var(--fg-dim); }
.macros { flex: 1; display: flex; flex-direction: column; gap: 9px; }
.macro-top { display: flex; justify-content: space-between; font-size: 12px; color: var(--fg-dim); }
.macro-top b { color: var(--fg); font-weight: 600; }
.bar { height: 7px; background: var(--grid); border-radius: 4px; overflow: hidden; margin-top: 3px; }
.bar i { display: block; height: 100%; border-radius: 4px; max-width: 100%; }
.bar i.p { background: var(--c-p); } .bar i.f { background: var(--c-f); }
.bar i.c { background: var(--c-c); } .bar i.fb { background: var(--c-fb); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.chips span { background: var(--grid); border-radius: 8px; padding: 4px 9px; font-size: 12px; color: var(--fg-dim); }
.chips b { color: var(--fg); }

.vhead { display: flex; justify-content: space-between; align-items: baseline; }
.score { font-weight: 700; font-size: 15px; }
.score.s1, .score.s2, .score.s3, .score.s4 { color: var(--bad); }
.score.s5, .score.s6 { color: var(--warn); }
.score.s7, .score.s8, .score.s9, .score.s10 { color: var(--ok); }
.flags { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0; }
.flags span { background: #3a2f14; color: #ffd166; border-radius: 8px; padding: 3px 8px; font-size: 12px; }

.meal { display: flex; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); }
.meal:first-of-type { border-top: none; }
.meal img { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; flex: none; }
.meal-body { flex: 1; min-width: 0; }
.meal-top { display: flex; justify-content: space-between; }
.meal-top .kcal { font-weight: 700; }
.meal-text { font-size: 13px; margin: 2px 0; }
.meal-macros { font-size: 12px; color: var(--fg-dim); }
.conf { margin-left: 6px; font-size: 11px; }
.conf.low { color: var(--bad); } .conf.medium { color: var(--warn); } .conf.high { color: var(--ok); }

.rangebar { display: flex; gap: 8px; margin-bottom: 12px; }
.rangebar a { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 6px 12px; font-size: 13px; color: var(--fg-dim); }
.rangebar a.on { border-color: var(--accent); color: var(--accent); }

.heat { display: grid; grid-template-columns: repeat(auto-fill, minmax(16px, 1fr)); gap: 4px; }
.heat .cell { aspect-ratio: 1; border-radius: 4px; background: var(--grid); }
.heat .ok { background: var(--ok); } .heat .warn { background: var(--warn); } .heat .bad { background: var(--bad); }
.legend { display: flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 11px; color: var(--fg-dim); }
.legend span { width: 11px; height: 11px; border-radius: 3px; background: var(--grid); display: inline-block; margin-left: 8px; }
.legend .ok { background: var(--ok); } .legend .warn { background: var(--warn); } .legend .bad { background: var(--bad); }

.fc-numbers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 10px 0; }
.fc-numbers div { background: var(--grid); border-radius: 10px; padding: 10px; }
.fc-numbers b { display: block; font-size: 17px; }
.fc-numbers span { font-size: 11px; color: var(--fg-dim); }
.mode { font-size: 11px; padding: 3px 8px; border-radius: 8px; background: var(--grid); color: var(--fg-dim); }
.mode.calibrated { background: #143a2a; color: var(--ok); }

.grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 520px) { .grid { grid-template-columns: 1fr 1fr; } }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--fg-dim); }
.wide { grid-column: 1 / -1; }
input, select, button { font: inherit; padding: 9px 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
button { background: var(--accent); color: #0b1020; font-weight: 600; border: none; cursor: pointer; }
.auth { max-width: 340px; margin: 15vh auto 0; }
.auth form { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.logout { color: var(--bad); }

.tabbar { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: var(--card); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
.tabbar a { flex: 1; text-align: center; padding: 10px 0; font-size: 10px; color: var(--fg-dim); display: flex; flex-direction: column; gap: 2px; }
.tabbar a.on { color: var(--accent); }
.tabbar span { font-size: 17px; }

.weights { margin-top: 12px; }
.wrow { display: flex; justify-content: space-between; padding: 6px 0; border-top: 1px solid var(--line); font-size: 13px; }
.wrow span { color: var(--fg-dim); }
.rangebar form { margin: 0; }
button.ghost { background: var(--card); border: 1px solid var(--line); color: var(--fg-dim); font-weight: 500; font-size: 13px; padding: 6px 12px; }

/* Chart.js с maintainAspectRatio:false тянет канвас по высоте родителя — задаём её явно */
.card canvas { width: 100% !important; height: 220px !important; }
@media (min-width: 560px) { .card canvas { height: 260px !important; } }

label i { font-style: normal; font-size: 11px; color: var(--fg-dim); opacity: .8; margin-top: -2px; }
.card h2 + p.muted { margin-top: -4px; }
table.calc { width: 100%; border-collapse: collapse; font-size: 13px; }
table.calc td { padding: 6px 0; border-top: 1px solid var(--line); vertical-align: top; }
table.calc td:first-child { color: var(--fg-dim); width: 40%; padding-right: 10px; }

pre.prompt { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px;
  font-size: 11px; line-height: 1.4; max-height: 220px; overflow: auto; white-space: pre-wrap; }
textarea { width: 100%; font: inherit; font-size: 13px; padding: 10px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--fg); resize: vertical; }
.warn-text { color: var(--warn); font-size: 12px; }