:root {
  --paper: #f1f5f3;     /* fridge-white, faint green */
  --ink: #18231e;
  --muted: #5d6b64;
  --line: #c9d4ce;
  --shelf: #2e5e4e;     /* bottle green: the shelf planks */
  --tag: #f4d35e;       /* price-tag yellow: use soon */
  --alert: #a93445;     /* expired */
  --card: #ffffff;
  --radius-sm: 6px;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121a16; --ink: #e6eee9; --muted: #9aaba2; --line: #2c3a33;
    --shelf: #6fae95; --card: #1a241f; --alert: #f08391;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.5 var(--font-body);
}
main { max-width: 46rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
[hidden] { display: none !important; }

h1, h2, h3, summary { font-family: var(--font-display); }
.wordmark { font-size: clamp(2.6rem, 11vw, 4.6rem); font-weight: 800; letter-spacing: -0.04em; line-height: 0.9; margin: 1rem 0 0.5rem; }
.wordmark span { color: var(--shelf); font-weight: 500; }
.wordmark::after { content: ""; display: block; height: 0.6rem; width: 2.2em; background: var(--shelf); margin-top: 0.35rem; border-radius: 2px; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 32ch; margin: 1rem 0 2rem; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.25rem; margin: 0 0 1rem; }
.panel h2 { font-size: 1.25rem; margin: 0 0 0.25rem; }
summary { font-size: 1.15rem; font-weight: 700; cursor: pointer; }
details[open] summary { margin-bottom: 1rem; }
.hint { color: var(--muted); margin: 0 0 1rem; }

label { display: block; font-weight: 700; font-size: 0.95rem; margin-bottom: 0.85rem; }
input {
  display: block; width: 100%; margin-top: 0.3rem; padding: 0.6rem 0.7rem;
  font: inherit; font-weight: 400; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
}
button {
  font: 700 1rem var(--font-body); padding: 0.6rem 1.1rem; cursor: pointer;
  color: #fff; background: var(--shelf); border: 0; border-radius: var(--radius-sm);
}
@media (prefers-color-scheme: dark) { button { color: #0d1511; } }
button.link { background: none; color: var(--shelf); padding: 0; text-decoration: underline; }
button.quiet { background: none; color: var(--muted); border: 1px solid var(--line); padding: 0.25rem 0.6rem; }
:focus-visible { outline: 3px solid var(--tag); outline-offset: 2px; }

.error { color: var(--alert); font-weight: 700; min-height: 1.5em; }
.error:empty { min-height: 0; margin: 0; }
.toolbar button { white-space: nowrap; }
.meta button.link { color: var(--muted); font-weight: 400; font-size: 0.85rem; text-decoration-color: var(--line); }
.meta button.link:hover { color: var(--alert); }

/* App */
.top h1 { font-size: clamp(2rem, 7vw, 3rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin: 0; }
.who { color: var(--muted); margin: 0.5rem 0 1.5rem; }
.toolbar { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.toolbar input { margin: 0; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 0.75rem; }
.grid .wide { grid-column: 1 / -1; }

/* Shelves: each location sits on a green plank — the one bold element */
.shelf { margin: 2.25rem 0 0; }
.shelf:first-child { margin-top: 1.25rem; }
.shelf h2 { font-size: 1.35rem; font-weight: 700; margin: 0 0 0.4rem; display: flex; align-items: baseline; gap: 0.5rem; }
.shelf h2 .count { font: 400 0.95rem var(--font-body); color: var(--muted); }
.shelf ul { list-style: none; margin: 0; padding: 0; border-bottom: 9px solid var(--shelf); border-radius: 0 0 3px 3px; box-shadow: 0 7px 0 -3px color-mix(in srgb, var(--shelf) 25%, transparent); }
.item { display: grid; grid-template-columns: 1fr auto; gap: 0.85rem; align-items: center; padding: 0.7rem 0; border-top: 1px solid var(--line); }
.item.has-thumb { grid-template-columns: auto 1fr auto; }
.thumb { width: 44px; height: 44px; border-radius: var(--radius-sm); object-fit: cover; background: var(--line); }
.name { font-weight: 700; text-transform: capitalize; overflow-wrap: anywhere; }
.meta { color: var(--muted); font-size: 0.9rem; display: flex; flex-wrap: wrap; gap: 0.25rem 0.6rem; align-items: center; }
.due { padding: 0.05rem 0.45rem; border-radius: 3px; font-weight: 700; }
.due.soon { background: var(--tag); color: #3a3000; }
.due.past { background: var(--alert); color: #fff; }
.stepper { display: flex; align-items: center; gap: 0.35rem; }
.stepper button { width: 2.1rem; height: 2.1rem; padding: 0; font-size: 1.2rem; line-height: 1; }
.stepper .qty { min-width: 3.2rem; text-align: center; font-variant-numeric: tabular-nums; font-weight: 700; }
.stepper .unit { display: block; font-size: 0.75rem; font-weight: 400; color: var(--muted); }

.empty-state { margin-top: 2.5rem; color: var(--muted); max-width: 40ch; }

/* Tabs: a row under the header on wide screens, a bottom bar on phones */
.tabs { display: flex; gap: 0.25rem; margin: 0 0 1.25rem; border-bottom: 1px solid var(--line); }
.tabs button {
  flex: 1; background: none; color: var(--muted); border-radius: 0; padding: 0.7rem 0.5rem;
  border-bottom: 3px solid transparent; margin-bottom: -1px; white-space: nowrap;
}
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--shelf); }
.badge {
  display: inline-block; min-width: 1.4em; padding: 0 0.35em; border-radius: 999px;
  background: var(--tag); color: #3a3000; font-size: 0.8rem; line-height: 1.4em; text-align: center;
}

/* Use soon */
.soon-strip {
  display: flex; flex-wrap: wrap; gap: 0.35rem 0.5rem; align-items: baseline; margin: 0 0 0.5rem;
  padding: 0.6rem 0.8rem; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--tag) 30%, var(--card)); border: 1px solid color-mix(in srgb, var(--tag) 60%, var(--line));
}
.soon-strip span { text-transform: capitalize; }
.soon-strip span + span::before { content: "·"; margin-right: 0.5rem; color: var(--muted); }
.soon-strip small { color: var(--muted); }

/* "Out of milk?" row */
.item.out { background: color-mix(in srgb, var(--tag) 22%, transparent); padding-inline: 0.6rem; }
.item.out .name { text-transform: none; }
.out-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: flex-end; align-items: center; }
.out-actions button { padding: 0.45rem 0.8rem; }

/* To buy */
.shop-item { display: grid; grid-template-columns: auto 1fr auto; gap: 0.85rem; align-items: center; padding: 0.7rem 0; border-top: 1px solid var(--line); }
.tick {
  width: 1.6rem; height: 1.6rem; padding: 0; border-radius: 50%;
  background: var(--card); border: 2px solid var(--shelf);
}
.shop-item.open .tick { background: var(--shelf); }
.due.na { background: color-mix(in srgb, var(--alert) 14%, transparent); color: var(--alert); }
.buy-form { grid-column: 1 / -1; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0.9rem; }
.buy-grid { display: grid; grid-template-columns: 6rem 1fr 1fr; gap: 0 0.75rem; }
.buy-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.list ul { list-style: none; }

/* Activity */
.activity { list-style: none; padding: 0; margin: 0 0 2rem; }
.activity li { display: grid; grid-template-columns: 1.6rem 1fr auto; gap: 0.6rem; padding: 0.55rem 0; border-top: 1px solid var(--line); }
.act-icon { text-align: center; }

.household { margin-top: 1rem; }
.household ul { list-style: none; padding: 0; margin: 0; }
.household li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.4rem 0; border-top: 1px solid var(--line); }
#owner-tools { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.code-out { flex-basis: 100%; margin: 0.5rem 0 0; }
.code-out strong { font-family: var(--font-display); font-size: 1.6rem; letter-spacing: 0.08em; }
.activity-when { color: var(--muted); white-space: nowrap; font-size: 0.9rem; }

@media (max-width: 640px) {
  #app { padding-bottom: 6rem; }
  .tabs {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; margin: 0;
    background: var(--card); border-top: 1px solid var(--line); border-bottom: 0;
    padding: 0 0.25rem env(safe-area-inset-bottom);
  }
  .tabs button { border-bottom: 0; border-top: 3px solid transparent; margin: 0; font-size: 0.9rem; padding: 0.65rem 0.25rem; }
  .tabs button[aria-selected="true"] { border-top-color: var(--shelf); }
}
@media (max-width: 480px) {
  .grid, .buy-grid { grid-template-columns: 1fr; }
  .thumb { width: 36px; height: 36px; }
  .item.out { grid-template-columns: 1fr; }
  .out-actions { justify-content: flex-start; }
}
@media (prefers-reduced-motion: no-preference) {
  .item { transition: background-color 0.2s; }
  .item.flash { background: color-mix(in srgb, var(--tag) 35%, transparent); }
}