:root {
  --bg: #f5f6f2;
  --surface: #ffffff;
  --surface-2: #eef1ea;
  --text: #1c231f;
  --muted: #5d6a62;
  --border: #d8ded4;
  --accent: #2f7d4f;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1e8;
  --ok: #166534;
  --ok-bg: #dcfce7;
  --warn: #92400e;
  --warn-bg: #fef3c7;
  --danger: #b91c1c;
  --hi-bg: #fff4cc;
  --shadow: 0 1px 2px rgba(20, 30, 25, .06), 0 2px 8px rgba(20, 30, 25, .05);
  --radius: 14px;
  --nav-h: 64px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121614;
    --surface: #1b211e;
    --surface-2: #232b27;
    --text: #e7ece8;
    --muted: #9aa8a0;
    --border: #2f3934;
    --accent: #5cc285;
    --accent-ink: #0e1a13;
    --accent-soft: #1f3528;
    --ok: #86efac;
    --ok-bg: #173323;
    --warn: #fcd34d;
    --warn-bg: #3a2e12;
    --danger: #f87171;
    --hi-bg: #3a3313;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom) + 16px);
}

.top {
  position: sticky; top: 0; z-index: 5;
  background: var(--bg);
  padding: calc(env(safe-area-inset-top) + 12px) 16px 8px;
  border-bottom: 1px solid var(--border);
}
.top h1 { margin: 0; font-size: 1.25rem; letter-spacing: -.01em; }

main { max-width: 760px; margin: 0 auto; padding: 16px; outline: none; }

h2 { font-size: 1.05rem; margin: 0 0 10px; }
h3 { font-size: .95rem; margin: 14px 0 8px; }
p { margin: 0 0 10px; }
a { color: var(--accent); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  margin-bottom: 14px;
}
.card.warn { border-color: var(--warn); }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.eyebrow { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.big { font-size: 1.3rem; font-weight: 700; letter-spacing: -.01em; }
.muted { color: var(--muted); font-size: .9rem; }
.small { font-size: .82rem; }
.num { font-variant-numeric: tabular-nums; }

.pet-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.pet-head h2 { margin: 0; font-size: 1.15rem; }

.serve { background: var(--accent-soft); border-radius: 10px; padding: 10px 12px; margin: 8px 0; }

.list { list-style: none; margin: 8px 0 0; padding: 0; }
.list li { padding: 6px 0; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 10px; }
.list li:first-child { border-top: 0; }
.list li.hi { background: var(--hi-bg); border-radius: 8px; padding: 6px 8px; border-top: 0; font-weight: 600; }

.badge { display: inline-block; font-size: .78rem; font-weight: 600; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; color: var(--accent); margin-bottom: 2px; }

.btn {
  appearance: none; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
  font: inherit; font-weight: 600; font-size: .92rem; padding: 9px 14px; border-radius: 10px; cursor: pointer;
  min-height: 40px;
}
.btn.ghost { background: transparent; color: var(--accent); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn.icon { padding: 6px 10px; min-height: 34px; background: transparent; color: var(--muted); border-color: var(--border); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .tabs a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: .85rem; color: var(--muted); font-weight: 600; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; min-height: 40px; width: 100%;
}
textarea { min-height: 120px; resize: vertical; }
input[type="checkbox"] { width: 20px; height: 20px; min-height: 0; accent-color: var(--accent); }
td input, td select { min-width: 64px; padding: 6px 8px; min-height: 36px; }
td input.w-s { width: 72px; }

.table-wrap { overflow-x: auto; margin: 0 -14px; padding: 0 14px; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: 7px 6px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 700; white-space: nowrap; }
td.r, th.r { text-align: right; }
td.num { white-space: nowrap; }
tr.off td { opacity: .45; }
tfoot td { font-weight: 700; border-bottom: 0; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.stat { background: var(--surface-2); border-radius: 10px; padding: 10px; }
.stat .v { font-size: 1.15rem; font-weight: 700; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 4px; }
.chip {
  display: inline-flex; align-items: center; gap: 4px; padding: 5px 6px 5px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--text); font-size: .9rem; font-weight: 600; border: 1px solid transparent;
}
.chip.avoid { background: transparent; border-color: var(--warn); color: var(--warn); }
.chip button {
  appearance: none; border: 0; background: transparent; color: inherit; opacity: .6; cursor: pointer;
  font: inherit; font-size: .8rem; padding: 2px 6px; border-radius: 999px; min-height: 24px;
}
.chip button:hover { opacity: 1; }
.opt-group + .opt-group { border-top: 1px solid var(--border); margin-top: 12px; padding-top: 12px; }
.opt-group h3 { margin: 0 0 2px; }
.add-opt { display: flex; gap: 8px; margin-top: 8px; }
.add-opt input { flex: 1; }
.add-opt select { width: auto; }

.table-wrap.tight { padding: 0 4px; }
.tt td { vertical-align: top; padding: 7px 3px; font-size: .84rem; }
.tt td.cell div { white-space: nowrap; }
.tt th { padding: 7px 3px; }
.tt td.today { background: var(--hi-bg); }
.tt tr.full td { background: var(--accent-soft); }
.tt .k { font-size: .78rem; color: var(--muted); }
.tt .day { font-weight: 700; white-space: nowrap; }

.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.seg button {
  appearance: none; border: 0; background: transparent; color: var(--muted); font: inherit; font-size: .85rem;
  font-weight: 600; padding: 7px 12px; cursor: pointer; min-height: 36px;
}
.seg button.on { background: var(--accent); color: var(--accent-ink); }

.ct td, .ct th { padding: 6px 4px; font-size: .86rem; }
.ct td:first-child { white-space: normal; min-width: 92px; }
.ct td.fullcol, .ct th.fullcol { background: var(--accent-soft); }
.ct tr.tot td { border-bottom: 2px solid var(--border); }
.ct .k, .k { font-size: .78rem; color: var(--muted); }

details.comp { margin-top: 8px; }
details.comp summary { cursor: pointer; font-size: .9rem; font-weight: 600; color: var(--accent); }
details.comp .list { margin-top: 4px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.sync-badge {
  font-size: .75rem; font-weight: 700; text-decoration: none; padding: 3px 9px; border-radius: 999px;
  background: var(--ok-bg); color: var(--ok); white-space: nowrap;
}
.sync-badge[data-kind="pending"], .sync-badge[data-kind="offline"] { background: var(--warn-bg); color: var(--warn); }
.sync-badge[data-kind="error"] { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
[hidden] { display: none !important; }

dialog.modal {
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text);
  padding: 18px; width: min(440px, calc(100% - 32px));
}
dialog.modal::backdrop { background: rgba(0, 0, 0, .45); }
.opt-box { background: var(--surface-2); border-radius: 10px; padding: 10px 12px; margin: 8px 0; }
.modal-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 10px; }
.btn[disabled] { opacity: .5; cursor: default; }

.note { background: var(--surface-2); border-radius: 10px; padding: 10px 12px; font-size: .88rem; color: var(--muted); }
.back { display: inline-block; margin-bottom: 10px; text-decoration: none; font-weight: 600; }

.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: grid; grid-template-columns: repeat(6, 1fr);
  height: calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--surface); border-top: 1px solid var(--border);
}
.tabs a {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  text-decoration: none; color: var(--muted); font-size: .7rem; font-weight: 600; min-width: 0;
}
.tabs svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tabs a[data-tab="pets"] svg { fill: currentColor; stroke: none; }
.tabs a.active { color: var(--accent); }

#toast {
  position: fixed; left: 50%; bottom: calc(var(--nav-h) + env(safe-area-inset-bottom) + 12px);
  transform: translateX(-50%) translateY(20px); opacity: 0; pointer-events: none;
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: .9rem;
  transition: opacity .2s, transform .2s; max-width: calc(100% - 32px);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (min-width: 900px) {
  .tabs { left: 50%; transform: translateX(-50%); width: 760px; border: 1px solid var(--border); border-bottom: 0; border-radius: 14px 14px 0 0; }
}