:root {
  --bg: #0b1220; --card: #131c2e; --line: #23304a; --text: #e8eef9; --muted: #8a9bb8;
  --accent: #5eb3ff; --ok: #3ccf8e; --min: #4f7dff; --miss: #e0525b; --warn: #f5b84a;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom); }
main { max-width: 680px; margin: 0 auto; padding: 12px 16px 80px; }
main.narrow { max-width: 420px; padding-top: 48px; }
h1 { font-size: 1.5rem; margin: 8px 0 12px; }
h2 { font-size: 1.05rem; margin: 0 0 10px; display: inline-block; }
a { color: var(--accent); }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.err { color: var(--miss); } .ok { color: var(--ok); } .warn { color: var(--warn); }
.tabs { position: sticky; top: 0; z-index: 5; display: flex; background: rgba(11,18,32,.95); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); padding-top: env(safe-area-inset-top); }
.tabs a { flex: 1; text-align: center; padding: 12px 4px; color: var(--muted); text-decoration: none; font-weight: 600; font-size: .95rem; }
.tabs a.on { color: var(--text); box-shadow: inset 0 -2px 0 var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin: 12px 0; }
header.day { display: flex; align-items: center; justify-content: space-between; text-align: center; margin-top: 6px; }
header.day .dayno { font-size: 1.6rem; font-weight: 800; letter-spacing: .02em; }
.arrow { font-size: 2rem; text-decoration: none; padding: 0 12px; color: var(--muted); }
.streak { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: .9rem; margin: 6px 0; }
.streak b { color: var(--text); font-size: 1.1rem; }
.briefing .btext { white-space: normal; }
.checks { display: grid; gap: 6px; }
.check { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.check input { width: 24px; height: 24px; accent-color: var(--ok); flex: none; }
.check:has(input:checked) { border-color: var(--ok); background: rgba(60,207,142,.08); }
.toggles { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: .9rem; margin: 6px 0; }
label { display: block; margin: 8px 0; font-size: .92rem; color: var(--muted); }
input, textarea, select { width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--text); background: #0e1626;
  border: 1px solid var(--line); border-radius: 10px; }
input[type=checkbox] { width: auto; margin: 0; }
textarea { resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid4 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 6px; margin-top: 8px; }
.grid4 input { margin: 0; }
.bars { display: grid; gap: 8px; margin-top: 6px; }
.bar { position: relative; display: flex; justify-content: space-between; padding: 6px 10px; border-radius: 8px; background: #0e1626; overflow: hidden; font-size: .9rem; }
.bar span, .bar b { position: relative; z-index: 1; }
.bar i { position: absolute; inset: 0 auto 0 0; background: rgba(94,179,255,.25); }
.btn { display: inline-block; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--line); background: #1b2740; color: var(--text);
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #04121f; }
.btn.file { margin: 0; }
button.link { background: none; border: 0; color: var(--muted); text-decoration: underline; padding: 6px 0 0; font: inherit; font-size: .85rem; cursor: pointer; }
.logbox textarea { margin-top: 0; }
.logbox .row { margin-top: 8px; }
.quick { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip { padding: 7px 11px; border-radius: 999px; border: 1px solid var(--line); background: #0e1626; color: var(--text); font: inherit; font-size: .85rem; cursor: pointer; }
.drinks .chip { border-color: #2a4a6e; }
.meals { list-style: none; padding: 0; margin: 12px 0 0; }
.meals li { display: grid; grid-template-columns: 44px 1fr auto 28px; gap: 6px; align-items: center; padding: 7px 0; border-top: 1px solid var(--line); font-size: .9rem; }
.meals .t { color: var(--muted); } .meals .v { color: var(--muted); white-space: nowrap; }
.x { background: none; border: 0; color: var(--muted); font-size: 1.3rem; cursor: pointer; }
.row { display: flex; gap: 8px; align-items: center; }
.row select { margin: 0; }
details summary { cursor: pointer; color: var(--muted); padding: 4px 0; }
details summary h2 { margin: 0; color: var(--text); }
.ex label span { display: block; color: var(--text); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stats div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px; }
.stats b { display: block; font-size: 1.25rem; }
.stats span { font-size: .78rem; color: var(--muted); }
.heat { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; }
.heat .c { aspect-ratio: 1; display: grid; place-items: center; border-radius: 5px; font-size: .62rem; text-decoration: none; color: rgba(255,255,255,.75); background: #1a2438; }
.heat .ok { background: var(--ok); color: #05261a; } .heat .min { background: var(--min); } .heat .miss { background: var(--miss); }
.heat .open { outline: 2px solid var(--accent); } .heat .cp { box-shadow: inset 0 0 0 2px var(--warn); }
.chart { width: 100%; height: auto; }
.chart .grid { stroke: var(--line); } .chart .lbl { fill: var(--muted); font-size: 11px; }
.chart .cpline { stroke: var(--warn); stroke-dasharray: 2 4; opacity: .6; }
.chart .target { stroke: var(--muted); stroke-dasharray: 6 5; }
.chart .avg { fill: none; stroke: var(--accent); stroke-width: 2.5; }
.chart .dot { fill: var(--text); opacity: .7; }
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .85rem; }
th, td { padding: 6px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
@media (max-width: 420px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.plan-today { background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 8px 12px; margin: 8px 0; font-size: .92rem; }
.nutri { margin-top: 10px; font-size: .9rem; color: var(--muted); }
.nutri b { color: var(--text); }
.tabs a { font-size: .88rem; }