:root { --bg:#f5f6f8; --card:#fff; --ink:#1c2230; --muted:#667085; --line:#e3e6ec; --brand:#1f5eff; --in:#0a7a3d; --out:#b42318; }
* { box-sizing: border-box; }
body { margin:0; font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif; background:var(--bg); color:var(--ink); }
.muted { color:var(--muted); }
.error { color:var(--out); min-height:1.2em; }
.top { display:flex; align-items:center; gap:16px; padding:10px 20px; background:var(--card); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:5; flex-wrap:wrap; }
.spacer { flex:1; }
nav { display:flex; gap:4px; }
nav button, .link { background:none; border:0; padding:6px 10px; border-radius:6px; cursor:pointer; font:inherit; color:var(--ink); }
nav button.active { background:var(--brand); color:#fff; }
.link { color:var(--brand); }
main { max-width:1150px; margin:20px auto; padding:0 16px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:10px; padding:16px; margin-bottom:16px; }
h2 { margin:0 0 12px; font-size:18px; }
input, select, textarea { font:inherit; padding:7px 9px; border:1px solid var(--line); border-radius:6px; background:#fff; max-width:100%; }
label { display:block; margin-bottom:12px; font-size:13px; color:var(--muted); }
label input, label select, label textarea { display:block; width:100%; margin-top:4px; color:var(--ink); }
button.primary, .login-card button, .btn { background:var(--brand); color:#fff; border:0; padding:8px 14px; border-radius:6px; cursor:pointer; font:inherit; text-decoration:none; display:inline-block; }
button.secondary { background:#fff; color:var(--ink); border:1px solid var(--line); padding:7px 12px; border-radius:6px; cursor:pointer; font:inherit; }
button.danger { color:var(--out); }
button:disabled { opacity:.5; cursor:default; }
.row { display:flex; gap:10px; flex-wrap:wrap; align-items:end; }
.row > * { margin-bottom:0; }
table { width:100%; border-collapse:collapse; }
th, td { text-align:left; padding:8px 10px; border-bottom:1px solid var(--line); vertical-align:top; }
th { font-size:12px; text-transform:uppercase; letter-spacing:.04em; color:var(--muted); }
td.num, th.num { text-align:right; font-variant-numeric:tabular-nums; white-space:nowrap; }
.in { color:var(--in); } .out { color:var(--out); }
.pill { display:inline-block; padding:1px 8px; border-radius:99px; font-size:12px; background:#eef2ff; color:#3446b3; }
.pill.warn { background:#fff4e5; color:#9a5b00; }
.pill.ok { background:#e8f6ee; color:var(--in); }
.table-wrap { overflow-x:auto; }
dialog { border:0; border-radius:12px; padding:20px; width:min(560px,94vw); box-shadow:0 10px 40px rgba(0,0,0,.25); }
dialog::backdrop { background:rgba(0,0,0,.35); }
.login-body { display:grid; place-items:center; min-height:100vh; }
.login-card { background:var(--card); padding:28px; border-radius:12px; width:min(380px,92vw); border:1px solid var(--line); }
.login-card h1 { margin:0 0 4px; }
.login-card button { width:100%; }
.totals { display:flex; gap:24px; margin:10px 0 0; flex-wrap:wrap; }
.totals b { display:block; font-size:20px; }
.receipt-list a { display:block; }
@media (max-width:700px){ th:nth-child(3), td:nth-child(3){ display:none; } }