:root {
  --bg: #f5f6f8; --panel: #fff; --text: #1d2330; --muted: #6b7385; --border: #e1e4ea;
  --accent: #2f5bea; --danger: #c93c3c; --warn: #b7791f; --ok: #2f855a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171f; --panel: #1c202b; --text: #e6e9f0; --muted: #98a0b3; --border: #2c3242; --accent: #6b8cff; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, sans-serif; background: var(--bg); color: var(--text); }
[hidden] { display: none !important; }
#app { display: flex; min-height: 100vh; }
aside { width: 210px; background: var(--panel); border-right: 1px solid var(--border); padding: 16px; display: flex; flex-direction: column; }
aside h2 { margin: 0 0 16px; font-size: 18px; }
nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
nav a { padding: 8px 10px; border-radius: 6px; color: var(--text); text-decoration: none; }
nav a.active, nav a:hover { background: var(--bg); color: var(--accent); }
.user { color: var(--muted); font-size: 13px; }
main { flex: 1; padding: 24px; max-width: 1100px; min-width: 0; }
h1 { margin: 0 0 16px; font-size: 22px; }
.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar h1 { margin: 0 auto 0 0; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat b { display: block; font-size: 24px; }
.stat span { color: var(--muted); }
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; }
.empty { padding: 24px; text-align: center; color: var(--muted); }
button, input, select, textarea { font: inherit; color: inherit; }
button { padding: 7px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel); cursor: pointer; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); }
button.link { border: 0; background: none; padding: 0; color: var(--accent); }
input, select, textarea { padding: 7px 9px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel); width: 100%; }
label { display: block; margin-bottom: 10px; color: var(--muted); font-size: 13px; }
label input, label select, label textarea { margin-top: 4px; color: var(--text); }
.toolbar input { width: 240px; }
.badge { padding: 2px 8px; border-radius: 10px; font-size: 12px; background: var(--bg); border: 1px solid var(--border); }
.badge.confirmed, .badge.received, .badge.shipped { color: var(--ok); }
.badge.cancelled { color: var(--danger); }
.low { color: var(--danger); font-weight: 600; }
.error { color: var(--danger); min-height: 1.2em; }
#login { display: grid; place-items: center; min-height: 100vh; }
#login .card { width: 320px; }
#toast { position: fixed; top: 16px; right: 16px; background: var(--danger); color: #fff; padding: 10px 14px; border-radius: 6px; z-index: 10; max-width: 360px; }
#toast.ok { background: var(--ok); }
dialog { border: 1px solid var(--border); border-radius: 10px; background: var(--panel); color: var(--text); padding: 20px; width: min(560px, 94vw); }
dialog::backdrop { background: rgba(0,0,0,.4); }
dialog h3 { margin-top: 0; }
.row { display: flex; gap: 8px; }
.row > * { flex: 1; }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }
.items-edit .row { margin-bottom: 6px; align-items: center; }
.items-edit .row button { flex: 0 0 auto; }
@media (max-width: 720px) {
  #app { flex-direction: column; }
  aside { width: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 8px; }
  aside h2 { margin: 0; }
  nav { flex-direction: row; flex-wrap: wrap; flex: 1 1 100%; order: 3; }
}
.thumb { width: 36px; height: 36px; object-fit: cover; border-radius: 6px; display: block; }
.qty { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.qty.green { background: #2f9e5b; color: #fff; }
.qty.blue { background: #8fd0f5; color: #0b3b57; }
.qty.yellow { background: #f6d44b; color: #4a3b00; }
.qty.red { background: #8b1a1a; color: #fff; }
.legend { margin: -4px 0 12px; color: var(--muted); font-size: 12px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); }

#d-form { display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px; align-items: end; margin-bottom: 16px; }
#d-form label { margin: 0; grid-column: span 3; }
#d-form label:nth-child(2) { grid-column: span 6; }
#d-form label:nth-child(5), #d-form label:nth-child(6) { grid-column: span 2; }
#d-form button { height: 34px; grid-column: span 2; }
@media (max-width: 900px) { #d-form { grid-template-columns: 1fr 1fr; } #d-form label, #d-form label:nth-child(n), #d-form button { grid-column: auto; } }