:root { --bg: #f6f5f2; --fg: #1d1d1b; --muted: #6b6a66; --line: #dcdad4; --card: #fff;
  --accent: #b3261e; --ok: #1e7a3c; --ok-bg: #e3f3e8; --bad-bg: #fbe4e2; --short: #fff4d6; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--fg); }
header { background: var(--fg); color: #fff; padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; }
header a { color: #fff; text-decoration: none; }
.brand { font-weight: 700; }
nav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 15px; }
nav a { opacity: .85; } nav a:hover { opacity: 1; text-decoration: underline; }
main { padding: 16px; max-width: 1200px; margin: 0 auto; }
h1 { font-size: 22px; margin: 4px 0 14px; } h2 { font-size: 17px; margin: 0 0 6px; }
.muted { color: var(--muted); font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin: 10px 0; }
.narrow { max-width: 360px; margin: 40px auto; }
label { display: block; margin: 8px 0; font-size: 14px; color: var(--muted); }
input, select { font: inherit; padding: 8px; border: 1px solid var(--line); border-radius: 6px; width: 100%; max-width: 420px; display: block; margin-top: 3px; background: #fff; }
input[type=checkbox] { width: auto; display: inline; }
input.qty { width: 80px; display: inline; margin: 0; }
button { font: inherit; padding: 8px 14px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; cursor: pointer; margin: 4px 0; }
button.alt { background: #e8e6e0; color: var(--fg); }
button.big { display: block; width: 100%; max-width: 520px; padding: 16px; font-size: 18px; font-weight: 600; }
button.small { padding: 4px 8px; font-size: 13px; }
.scan { font-size: 24px; padding: 14px; max-width: 520px; border: 2px solid var(--fg); }
.msg { padding: 12px 14px; border-radius: 6px; margin: 10px 0; font-weight: 600; max-width: 720px; }
.msg.ok { background: var(--ok-bg); color: var(--ok); } .msg.bad { background: var(--bad-bg); color: var(--accent); }
table { border-collapse: collapse; width: 100%; background: var(--card); margin: 10px 0; font-size: 14px; }
th, td { border-bottom: 1px solid var(--line); padding: 7px 8px; text-align: left; vertical-align: top; }
th { background: #efede8; font-weight: 600; white-space: nowrap; }
tr.done td { color: var(--muted); text-decoration: line-through; }
tr.short td { background: var(--short); }
td.actions form { display: inline; }
.pill { display: inline-block; padding: 4px 10px; margin: 2px; border-radius: 14px; background: #e8e6e0; color: var(--fg); text-decoration: none; font-size: 14px; }
.pill.on { background: var(--fg); color: #fff; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.tile { background: var(--accent); color: #fff; text-decoration: none; padding: 28px 16px; border-radius: 10px; font-size: 20px; font-weight: 600; text-align: center; }
.tile.alt { background: var(--fg); }
@media (max-width: 640px) { main { padding: 10px; } table { font-size: 13px; } th, td { padding: 6px 4px; } }
@media print { header, button, .pill { display: none; } }