:root {
  /* กินจ้า palette (cat-*) */
  --cat-peach: #FFDEC0; --cat-cream: #FFF7EC; --cat-blue: #5B8DEF; --cat-red: #FF6B6B; --cat-green: #4CAF50;
  --cat-purple: #A855F7; --cat-amber: #F59E0B; --cat-text: #2D2D2D; --cat-text-secondary: #6B6B6B;
  --cat-text-light: #9E9E9E; --cat-border: #F0E6D8; --background: 37 100% 97%;
  /* semantic tokens used by the app */
  --bg: hsl(var(--background)); --card: #FFFFFF; --ink: var(--cat-text); --muted: var(--cat-text-secondary); --faint: var(--cat-text-light);
  --line: var(--cat-border); --accent: var(--cat-amber); --on-accent: var(--cat-text); --accent-ink: #9A4A06;
  --accent-2: var(--cat-peach); --accent-soft: var(--cat-peach); --warn: var(--cat-red); --warn-ink: #B83232; --good: var(--cat-green);
  --water: var(--cat-blue); --protein: var(--cat-red); --carb: var(--cat-amber); --fat: var(--cat-purple);
  --radius: 18px; --shadow: 0 1px 2px rgba(45, 45, 45, .06);
  font-family: 'IBM Plex Sans Thai', system-ui, sans-serif; color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #1C1814; --card: #26211B; --ink: #F5EEE4; --muted: #B8AE9F; --faint: #8A8175; --line: #3A322A;
  --accent: var(--cat-amber); --on-accent: #1C1814; --accent-ink: #FBBF4A; --accent-2: #5A4430; --accent-soft: #3A2D20;
  --warn: var(--cat-red); --warn-ink: #FF8A8A; --water: #7FA8F5; color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 16px; line-height: 1.5; }
h1, h2 { margin: 0; } h1 { font-size: 22px; } h2 { font-size: 17px; margin-bottom: 10px; }
.muted { color: var(--muted); } .small { font-size: 13px; } .warn { color: var(--warn-ink); font-size: 14px; }
.eyebrow { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

/* layout */
.sidebar { display: none; }
.shell { max-width: 760px; margin: 0 auto; padding: 0 16px calc(96px + env(safe-area-inset-bottom)); }
.topbar { display: flex; align-items: center; gap: 12px; padding: 18px 0 12px; position: sticky; top: 0; background: var(--bg); z-index: 5; }
.topbar h1 { flex: 1; }
.status { font-size: 13px; padding: 4px 10px; border-radius: 99px; background: var(--accent-soft); color: var(--accent-ink); }
.status.off { color: var(--warn-ink); }
main { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
main > * { min-width: 0; }
.bottom-nav { position: fixed; inset: auto 0 0 0; display: grid; grid-template-columns: repeat(4, 1fr); background: var(--card); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); z-index: 10; }
.bottom-nav a { display: grid; justify-items: center; padding: 8px 0 10px; text-decoration: none; color: var(--muted); min-height: 56px; }
.bottom-nav a span { font-size: 20px; } .bottom-nav a.is-on { color: var(--accent-ink); font-weight: 600; }
@media (min-width: 900px) {
  .sidebar { display: flex; flex-direction: column; gap: 18px; position: fixed; inset: 0 auto 0 0; width: 240px; padding: 24px 16px; background: var(--card); border-right: 1px solid var(--line); }
  .sidebar nav { display: grid; gap: 4px; flex: 1; align-content: start; }
  .sidebar nav a { display: flex; gap: 10px; padding: 10px 12px; border-radius: 12px; color: var(--ink); text-decoration: none; }
  .sidebar nav a.is-on { background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; }
  .shell { margin-left: 240px; max-width: none; padding: 0 40px 40px; }
  main { max-width: 760px; }
  .bottom-nav, .mobile-only { display: none; }
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-size: 20px; }
.brand-mark { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-weight: 700; }

/* components */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.btn { font: inherit; border: 0; border-radius: 12px; padding: 10px 16px; min-height: 44px; background: var(--accent); color: var(--on-accent); font-weight: 600; cursor: pointer; }
.btn.ghost { background: var(--accent-soft); color: var(--accent-ink); }
.btn.danger { background: transparent; color: var(--warn-ink); border: 1px solid var(--warn); }
.btn.full { width: 100%; } .btn:disabled { opacity: .45; cursor: default; }
.icon-btn { font: inherit; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 20px; cursor: pointer; }
.icon-btn:disabled { opacity: .3; } .icon-btn.add { width: 36px; height: 36px; margin-left: auto; color: var(--accent-ink); }
.link-btn { border: 0; background: none; color: var(--muted); cursor: pointer; padding: 0 0 0 10px; min-width: 32px; min-height: 32px; }
.input { font: inherit; width: 100%; padding: 10px 12px; min-height: 44px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.row { display: flex; gap: 10px; } .row.wrap { flex-wrap: wrap; } .row > .input { flex: 1; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; } .form label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); } .span2 { grid-column: span 2; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; }

/* today */
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.week-day { border: 0; background: none; display: grid; gap: 4px; justify-items: center; color: var(--muted); cursor: pointer; padding: 4px 0; border-radius: 10px; font: inherit; }
.week-day.is-on { background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; }
.week-bar { height: 56px; width: 14px; border-radius: 7px; background: var(--line); display: flex; align-items: flex-end; overflow: hidden; }
.week-bar i { width: 100%; background: var(--accent); } .week-bar i.over { background: var(--warn); }
.date-nav { display: flex; align-items: center; justify-content: space-between; gap: 8px; text-align: center; }
.energy { display: grid; gap: 14px; justify-items: center; background: linear-gradient(160deg, var(--accent-soft), var(--card)); }
.energy-ring { position: relative; width: 170px; }
.ring { width: 100%; transform: rotate(-90deg); } .ring circle { fill: none; stroke-width: 12; stroke-linecap: round; }
.ring-bg { stroke: var(--line); } .ring-fg { stroke: var(--accent); transition: stroke-dashoffset .5s; }
.energy.is-over .ring-fg { stroke: var(--warn); }
.energy-num { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.energy-num b { font-size: 34px; line-height: 1.1; } .energy-num small { color: var(--muted); }
.energy-stats { display: grid; grid-template-columns: repeat(3, 1fr); width: 100%; margin: 0; text-align: center; }
.energy-stats dt { font-size: 13px; color: var(--muted); } .energy-stats dd { margin: 0; font-weight: 700; font-size: 18px; }
.macro { margin-bottom: 10px; } .macro-top { display: flex; justify-content: space-between; font-size: 14px; }
.track { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; } .track i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.meal { border-top: 1px solid var(--line); padding: 10px 0; } .meal:first-of-type { border-top: 0; }
.meal-head { display: flex; align-items: center; gap: 8px; } .meal-icon { font-size: 20px; }
.meal-item { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 0 0 30px; font-size: 15px; }
.meal-item.as-btn { width: 100%; border: 0; background: none; color: inherit; font: inherit; padding: 10px 4px; border-bottom: 1px solid var(--line); cursor: pointer; text-align: left; }
.glasses { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 12px; }
.glass { width: 22px; height: 30px; border: 2px solid var(--water); border-radius: 4px 4px 8px 8px; opacity: .45; }
.glass.on { background: var(--water); opacity: 1; }

/* foods */
.chips { display: flex; gap: 8px; overflow-x: auto; margin-top: 12px; padding-bottom: 4px; }
.chip { font: inherit; white-space: nowrap; border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 6px 14px; border-radius: 99px; min-height: 36px; cursor: pointer; }
.chip.is-on { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 600px) { .tiles { grid-template-columns: repeat(3, 1fr); } }
.tile { font: inherit; display: grid; gap: 2px; text-align: left; padding: 14px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
.tile-emoji { font-size: 30px; } .tile small { color: var(--muted); }

/* weight + insights */
.big { font-size: 34px; font-weight: 700; margin: 0; } .big small { font-size: 16px; color: var(--muted); font-weight: 500; }
.bmi-scale { position: relative; height: 10px; border-radius: 99px; margin: 12px 0; background: linear-gradient(90deg, var(--cat-blue) 0 17.5%, var(--cat-green) 17.5% 40%, var(--cat-amber) 40% 50%, var(--cat-red) 50% 75%, var(--cat-purple) 75%); }
.bmi-scale i { position: absolute; top: -5px; width: 4px; height: 20px; border-radius: 2px; background: var(--ink); transform: translateX(-2px); }
.bmi-legend { display: grid; grid-template-columns: 17.5% 22.5% 10% 25% 25%; font-size: 11px; color: var(--muted); }
.pct { font-size: 22px; color: var(--accent-ink); }
.wchart { width: 100%; height: auto; margin-top: 10px; font-size: 10px; fill: var(--muted); }
.wchart .grid { stroke: var(--line); } .wchart .goal { stroke: var(--good); stroke-dasharray: 4 4; stroke-width: 1.5; }
.wchart .goal-t { fill: var(--accent-ink); font-weight: 600; }
.wchart .line { fill: none; stroke: var(--accent); stroke-width: 2; } .wchart .dot { fill: var(--accent); }
.ex-sum { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; text-align: center; }
.ex-sum div { display: grid; background: var(--accent-soft); border-radius: 12px; padding: 10px; } .ex-sum b { font-size: 22px; } .ex-sum small { color: var(--muted); }
.exercise .meal-item { padding-left: 0; }
.radios { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--ink); }
.radios legend { font-size: 14px; color: var(--muted); margin-bottom: 4px; } .radios label { display: flex; gap: 8px; align-items: center; color: var(--ink); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { display: grid; text-align: center; padding: 12px 8px; } .stat b { font-size: 24px; } .stat small, .stat span { color: var(--muted); font-size: 13px; }

/* v3: quick log, sets, streak, report */
.streak { font-size: 13px; font-weight: 600; color: var(--warn-ink); background: var(--accent-soft); padding: 2px 10px; border-radius: 99px; }
.quick-form { display: grid; gap: 10px; } .quick-form textarea { resize: vertical; min-height: 64px; }
.review { display: grid; gap: 8px; }
.review-row { display: flex; align-items: center; gap: 8px; padding: 8px; border: 1px solid var(--line); border-radius: 12px; }
.review-row.miss { border-style: dashed; } .review-row .grow { flex: 1; min-width: 0; display: grid; }
.review-row .grow small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.review-row .qty { width: 64px; min-height: 36px; padding: 4px 6px; } .review-row .kc { width: 48px; text-align: right; }
.tile-emoji.sm { font-size: 22px; } .btn.sm { min-height: 36px; padding: 6px 10px; font-size: 13px; }
.review-total { display: flex; justify-content: space-between; font-size: 18px; padding: 4px 2px; }
.save-set { margin-left: auto; color: var(--accent-ink); font-size: 13px; } .save-set + .icon-btn.add { margin-left: 4px; }
.link-card { display: grid; text-decoration: none; color: var(--ink); }
.report-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.report .stats { margin-bottom: 10px; } .report .stat { border: 1px solid var(--line); border-radius: 12px; }
.rtable { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 10px; font-variant-numeric: tabular-nums; }
.rtable th, .rtable td { padding: 6px 4px; border-bottom: 1px solid var(--line); text-align: right; } .rtable th:first-child, .rtable td:first-child { text-align: left; }
.rtable tr.over td:nth-child(2) { color: var(--warn-ink); font-weight: 600; }
@media print {
  .sidebar, .bottom-nav, .topbar, .no-print, .toast, dialog { display: none !important; }
  body, :root { background: #fff !important; color: #000 !important; }
  .shell { margin: 0 !important; padding: 0 !important; } .card { box-shadow: none; border: 0; padding: 0; }
}

/* modal + toast */
dialog { width: min(520px, calc(100% - 24px)); border: 0; border-radius: 22px; padding: 20px; background: var(--card); color: var(--ink); }
dialog::backdrop { background: rgba(0, 0, 0, .4); }
#modal-body { display: grid; gap: 12px; } .pick-list { max-height: 50vh; overflow: auto; }
.toast { position: fixed; left: 50%; bottom: calc(80px + env(safe-area-inset-bottom)); transform: translate(-50%, 20px); opacity: 0; background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 99px; transition: .25s; pointer-events: none; z-index: 20; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* macro colours + muted-light text */
.macro:nth-of-type(1) .track i { background: var(--protein); }
.macro:nth-of-type(2) .track i { background: var(--carb); }
.macro:nth-of-type(3) .track i { background: var(--fat); }
.input::placeholder { color: var(--faint); }
.energy-stats dt, .stat small { color: var(--muted); }
.otp { letter-spacing: .3em; font-size: 20px; text-align: center; max-width: 220px; }
.version-line { text-align: center; }