:root {
  --bg: #e8eaec;
  --panel: #f6f7f8;
  --ink: #1c2126;
  --stone: #5a656e;
  --line: #c9cfd4;
  --accent: #2c5a4c;
  --accent-ink: #ffffff;
  --danger: #9b3535;
  --ok-bg: #dcebe4;
  --err-bg: #f3dcdc;
  --radius: 6px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181b;
    --panel: #1d2327;
    --ink: #e6e9eb;
    --stone: #9aa5ad;
    --line: #333c42;
    --accent: #5fa58e;
    --accent-ink: #0f1a16;
    --danger: #e08080;
    --ok-bg: #1f3a31;
    --err-bg: #442626;
  }
}
* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 600; margin: 0; }
h1 { font-size: 1.35rem; letter-spacing: .01em; }
h2 { font-size: 1.15rem; }
[hidden] { display: none !important; }

.bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.25rem; background: #1c2126; color: #e8eaec;
}
.bar .btn.ghost { color: #e8eaec; border-color: rgba(255,255,255,.35); }
.wrap { max-width: 920px; margin: 0 auto; padding: 1.25rem; display: grid; gap: 1.25rem; }
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem;
}

/* form controls */
.field { display: flex; flex-direction: column; gap: .3rem; }
.field label { font-size: .85rem; color: var(--stone); }
input[type="text"], input[type="password"], input[type="number"], input[type="search"] {
  font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: .55rem .7rem; width: 100%; min-height: 2.5rem;
}
input:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.btn {
  font: inherit; font-weight: 600; cursor: pointer; border-radius: var(--radius);
  padding: .55rem 1rem; min-height: 2.5rem; border: 1px solid var(--line);
  background: transparent; color: var(--ink);
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.small { padding: .35rem .75rem; min-height: 2.1rem; font-size: .9rem; }
.btn.wide { width: 100%; }
.btn:disabled { opacity: .55; cursor: progress; }

/* create form */
.create { display: flex; gap: .75rem; align-items: flex-end; margin-top: .9rem; flex-wrap: wrap; }
.create .grow { flex: 1 1 240px; }
.create .num { width: 6.5rem; }

/* stock list */
.list-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: .75rem; }
.search { max-width: 260px; }
.head-row, .row {
  display: grid; grid-template-columns: 1fr 4.5rem 16rem 11rem; gap: .75rem; align-items: center;
}
.head-row { font-size: .85rem; color: var(--stone); padding: 0 .25rem .4rem; border-bottom: 1px solid var(--line); }
.row { padding: .7rem .25rem; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: 0; }
.row.editing { background: var(--bg); border-radius: var(--radius); padding-inline: .5rem; }
.cell.name { font-weight: 600; overflow-wrap: anywhere; }
.cell.stock { display: flex; align-items: center; gap: .5rem; }
.cell.stock input { width: 4.5rem; }
.cell.actions { display: flex; gap: .4rem; justify-content: flex-end; }
.count { font-family: Georgia, serif; font-size: 1.3rem; min-width: 2.2rem; }
.count.zero { color: var(--danger); }
.empty { color: var(--stone); padding: 1rem .25rem; margin: 0; }

.msg { padding: .6rem .8rem; border-radius: var(--radius); margin-bottom: .75rem; font-size: .95rem; }
.msg.ok { background: var(--ok-bg); }
.msg.error { background: var(--err-bg); color: var(--ink); }

/* login */
.login-page { display: grid; place-items: center; min-height: 100vh; padding: 1rem; }
.login {
  width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.75rem; display: grid; gap: 1rem;
}
.login .sub { margin: -.5rem 0 0; color: var(--stone); }

/* phones: each row becomes a labelled block */
@media (max-width: 720px) {
  .head-row { display: none; }
  .row { grid-template-columns: 1fr; gap: .4rem; padding: .9rem .25rem; }
  .cell[data-label]::before {
    content: attr(data-label); display: block; font-size: .8rem; color: var(--stone); font-weight: 400;
  }
  .cell.stock { flex-wrap: wrap; }
  .cell.stock::before { width: 100%; }
  .cell.actions { justify-content: flex-start; }
  .list-head { flex-direction: column; align-items: stretch; }
  .search { max-width: none; }
}