:root {
  --bg: #f4f6f2;
  --card: #ffffff;
  --text: #1b231e;
  --muted: #5e6b63;
  --line: #dde3dd;
  --green: #1f7a4d;
  --green-soft: #e3f2ea;
  --red: #b3261e;
  --red-soft: #fbe9e7;
  --amber: #8a5a00;
  --amber-soft: #fff4d6;
  --blue-soft: #e8f0fb;
  --radius: 14px;
  font-size: 18px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font-family: system-ui, -apple-system, "Noto Sans Gujarati", "Shruti", "Segoe UI", Roboto, sans-serif;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
}
#app { max-width: 560px; margin: 0 auto; min-height: 100vh; }
main { padding: 12px 16px 110px; }
h1, h2, h3 { margin: 8px 0 12px; line-height: 1.25; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.1rem; }
a { color: var(--green); }
.hidden, [hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.plus { color: var(--green); }
.minus { color: var(--red); }

/* header + nav */
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; background: var(--green); color: #fff;
}
.brand { flex: 1; color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.pill {
  border: 0; border-radius: 999px; padding: 8px 14px; font: inherit; font-size: .9rem;
  background: rgba(255,255,255,.18); color: inherit; cursor: pointer; text-decoration: none;
}
.month-nav .pill, .login .pill { background: var(--green-soft); color: var(--green); font-size: 1.2rem; }
.pill.ghost { opacity: .3; }
.sync { background: var(--amber-soft); color: var(--amber); font-weight: 700; }
.banner.demo { background: #ece6fb; color: #4b3a8c; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.banner.demo .pill { background: #fff; color: #4b3a8c; font-size: .8rem; padding: 4px 10px; }
.banner { background: var(--amber-soft); color: var(--amber); padding: 8px 16px; font-size: .9rem; }
nav.bottom {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 5;
  display: flex; justify-content: center; background: var(--card); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
nav.bottom a {
  flex: 1; max-width: 140px; display: flex; flex-direction: column; align-items: center;
  padding: 8px 4px 10px; font-size: .8rem; color: var(--muted); text-decoration: none;
}
nav.bottom a span { font-size: 1.5rem; }
nav.bottom a.on { color: var(--green); font-weight: 700; }

/* buttons */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; min-height: 52px; margin: 10px 0; padding: 12px 16px;
  border: 0; border-radius: var(--radius); font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer; text-align: center;
}
.btn:disabled { opacity: .55; }
.btn.primary { background: var(--green); color: #fff; }
.btn.secondary { background: var(--green-soft); color: var(--green); }
.btn.danger { background: var(--red-soft); color: var(--red); }
.btn.link { background: none; color: var(--muted); text-decoration: underline; font-weight: 400; }
.btn.big { min-height: 64px; font-size: 1.1rem; }
.btn.huge { min-height: 84px; font-size: 1.3rem; }
.btn.save-bar {
  /* stays visible just above the bottom menu, so nobody has to scroll to save */
  position: sticky; bottom: calc(76px + env(safe-area-inset-bottom)); z-index: 4;
  min-height: 62px; font-size: 1.2rem;
  box-shadow: 0 -6px 16px rgba(244, 246, 242, .95), 0 4px 10px rgba(0, 0, 0, .15);
}
.btn.small { width: auto; min-height: 40px; margin: 0; padding: 6px 12px; font-size: .9rem; }
.row-btns { display: flex; gap: 10px; }
.row-btns .btn { flex: 1; }

/* forms */
label { display: block; margin: 10px 0; font-size: .95rem; color: var(--muted); }
input, select {
  display: block; width: 100%; margin-top: 4px; padding: 12px; min-height: 52px;
  font: inherit; font-size: 1.15rem; color: var(--text);
  background: #fff; border: 2px solid var(--line); border-radius: 12px;
}
input:focus, select:focus { outline: none; border-color: var(--green); }
input:disabled { background: #f0f2ef; }
input.filled { background: var(--blue-soft); border-color: #9bb8e4; }
input.bignum { font-size: 1.8rem; font-weight: 700; text-align: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 12px 0; }
.seg button {
  min-height: 60px; font: inherit; font-size: 1.1rem; font-weight: 600; cursor: pointer;
  border: 2px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--text);
}
.seg button.on { border-color: var(--green); background: var(--green-soft); color: var(--green); }
.hint { margin: 0 0 6px; font-size: .95rem; }
.hint.good { color: var(--green); }
.hint.bad { color: var(--red); font-weight: 700; }
.err { color: var(--red); min-height: 1em; }
.radio, .chk { display: flex; align-items: center; gap: 10px; color: var(--text); }
.radio input, .chk input { width: 24px; height: 24px; min-height: 0; margin: 0; flex: none; }
.inline { display: flex; gap: 10px; align-items: flex-end; }
.inline label { flex: 1; margin: 0; }
.inline .btn { width: auto; margin: 0; }

/* cards */
.card { background: var(--card); border-radius: var(--radius); padding: 14px 16px; margin: 12px 0; box-shadow: 0 1px 2px rgba(0,0,0,.06); }
.card.warn { background: var(--amber-soft); }
.note { background: var(--amber-soft); color: var(--amber); padding: 10px 12px; border-radius: 10px; font-size: .95rem; }
.date-line { font-size: 1.05rem; font-weight: 600; margin: 4px 0 10px; }
.stats, .cards3 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 10px 0; }
.cards3 { grid-template-columns: 1fr 1fr 1fr; }
.stat { background: var(--card); border-radius: var(--radius); padding: 12px; text-align: center; box-shadow: 0 1px 2px rgba(0,0,0,.06); min-width: 0; }
.stat b { display: block; font-size: 1.45rem; overflow-wrap: anywhere; }
.cards3 .stat b { font-size: 1.1rem; }
.stat span { display: block; font-size: .85rem; color: var(--muted); }
.shift { padding: 8px 0; border-bottom: 1px solid var(--line); }
.shift:last-child { border-bottom: 0; }
.shift.done { color: var(--green); }
.pend { display: flex; gap: 10px; justify-content: space-between; align-items: center; margin: 8px 0; }

/* lists */
.list { display: flex; flex-direction: column; gap: 8px; margin: 10px 0; }
.row {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px;
  background: var(--card); border-radius: 12px; color: var(--text); text-decoration: none;
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
}
.row.gone { opacity: .6; }
.row .ic { font-size: 1.6rem; }
.row .mid { flex: 1; min-width: 0; }
.row .mid b, .row .mid small { display: block; }
.row small { color: var(--muted); }
.amt { white-space: nowrap; }

/* expense categories */
.cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 10px 0; }
.cat {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  min-height: 96px; padding: 8px 4px; font: inherit; font-size: .85rem; line-height: 1.2; cursor: pointer;
  background: #fff; color: var(--text); border: 2px solid var(--line); border-radius: var(--radius);
}
.cat .ic { font-size: 2rem; }
.cat.on { border-color: var(--green); background: var(--green-soft); font-weight: 700; }

/* summary */
.month-nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.month-nav h2 { margin: 0; text-align: center; }
.bar { position: relative; display: flex; justify-content: space-between; padding: 8px 10px; margin: 6px 0; border-radius: 8px; overflow: hidden; }
.bar span, .bar b { position: relative; z-index: 1; }
.bar i { position: absolute; inset: 0 auto 0 0; background: var(--red-soft); }
.kv { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; }
.progress { height: 12px; background: var(--line); border-radius: 6px; overflow: hidden; margin-top: 6px; }
.progress i { display: block; height: 100%; background: var(--green); }

/* milk slip */
.photo-row { display: flex; gap: 10px; align-items: center; margin: 6px 0; }
.photo-row a { flex: none; }
.photo-row .slip { display: block; width: 110px; height: 96px; object-fit: cover; background: #000; border-radius: 12px; }
.photo-row .btn { flex: 1; margin: 0; }
.field { margin: 10px 0; }
.field .lbl { display: block; font-size: .95rem; color: var(--muted); margin-bottom: 4px; }
.seg.compact { margin: 0; gap: 6px; }
.seg.compact button { min-height: 52px; font-size: .95rem; padding: 0 4px; }
.status { padding: 10px 12px; border-radius: 10px; font-weight: 600; }
.status.busy { background: var(--blue-soft); }
.status.ok { background: var(--green-soft); color: var(--green); }
.status.warn { background: var(--amber-soft); color: var(--amber); }

/* settings */
.catrow { display: grid; grid-template-columns: 56px 1fr; gap: 6px 8px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.catrow input { margin: 0; font-size: 1rem; min-height: 46px; }
.catrow .icon-in { grid-row: span 2; text-align: center; font-size: 1.5rem; padding: 4px; }
.catrow .chk { margin: 0; }
.catrow .btn { justify-self: end; }

/* login */
.login { padding: 40px 16px; text-align: center; }
.login .logo { font-size: 4rem; }
.login form { text-align: left; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%) translateY(20px);
  max-width: min(92vw, 520px); padding: 12px 18px; border-radius: 12px;
  background: #222; color: #fff; opacity: 0; pointer-events: none; transition: .2s; z-index: 10; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%); }
.toast.good { background: var(--green); }
.toast.bad { background: var(--red); }

@media (max-width: 380px) {
  :root { font-size: 16px; }
  .cards3 { grid-template-columns: 1fr; }
}
.print-only { display: none; }
@media print {
  .print-only { display: block; }
  .no-print, nav, .toast, .banner { display: none !important; }
  body, .card, .stat, .row { background: #fff; box-shadow: none; }
  main { padding: 0; }
  .row { border-bottom: 1px solid #ccc; border-radius: 0; }
}