:root{--bg:#f4f5f7;--card:#fff;--ink:#1b1d22;--muted:#6b7280;--line:#e5e7eb;--acc:#c8102e;--acc2:#a30d25;--ok:#16a34a;--warn:#f59e0b;--r:12px}
*{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)}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
header{background:#1b1d22;color:#fff;position:sticky;top:0;z-index:5}
header .wrap{display:flex;align-items:center;gap:18px;min-height:54px;flex-wrap:wrap}
.brand{color:#fff;font-weight:700;letter-spacing:.3px;display:flex;align-items:center;gap:8px}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--acc);display:inline-block}
header nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
header nav a{color:#cbd5e1;padding:6px 10px;border-radius:8px}
header nav a.on,header nav a:hover{background:#2b2f37;color:#fff;text-decoration:none}
.who{color:#cbd5e1;margin-right:8px}
header form.inline{margin-left:auto}
@media(max-width:640px){header .wrap{padding:8px 12px;gap:8px}header nav{order:3;flex-basis:100%;gap:2px}header nav a{padding:6px 8px;font-size:14px}.who{display:none}}
main{padding:20px 16px 40px}
footer{color:var(--muted);font-size:13px;padding:10px 16px 30px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.card.narrow{max-width:420px;margin:40px auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:800px){.grid2{grid-template-columns:1fr}}
h1{font-size:22px;margin:0 0 10px}h2{font-size:18px;margin:0 0 12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}h3{font-size:14px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:18px 0 6px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
small,.small{font-size:13px;font-weight:400}.muted{color:var(--muted)}
.flash{padding:10px 14px;border-radius:10px;margin-bottom:14px;background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.flash.err{background:#fef2f2;border-color:#fecaca;color:#991b1b}
label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted);flex:1}
label.check{flex-direction:row;align-items:center;gap:8px;color:var(--ink);font-size:14px}
input,select,textarea,button{font:inherit}
input,select,textarea{padding:9px 10px;border:1px solid #d1d5db;border-radius:9px;background:#fff;color:var(--ink);min-width:0;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #fca5a5;border-color:var(--acc)}
input.qty{width:76px;flex:0 0 auto}input.qty.sm{width:60px;padding:5px 6px}
button{padding:9px 14px;border:1px solid #d1d5db;border-radius:9px;background:#fff;cursor:pointer;white-space:nowrap}
button:hover{background:#f3f4f6}
button.primary{background:var(--acc);border-color:var(--acc);color:#fff;font-weight:600}button.primary:hover{background:var(--acc2)}
button.ghost{background:transparent}button.small{padding:5px 10px;font-size:13px}
button.link{background:none;border:0;color:#cbd5e1;padding:4px;cursor:pointer}button.link:hover{color:#fff}
button.x{border:0;background:none;color:#9ca3af;padding:4px 6px}button.x:hover{color:var(--acc)}
button.paid{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}button.unpaid{background:#fffbeb;border-color:#fde68a;color:#92400e}
form.inline{display:inline-flex;align-items:center;gap:6px}
.row{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}.row>select{flex:1;min-width:180px}
.stack{display:flex;flex-direction:column;gap:10px;margin-top:12px}
table{border-collapse:collapse;width:100%}table.full{width:100%}
td,th{padding:7px 6px;border-bottom:1px solid var(--line);vertical-align:middle;text-align:left}
th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
td.r,th.r{text-align:right;white-space:nowrap}
tr.sum td{font-weight:700;border-top:2px solid var(--ink);border-bottom:0}
tr.warn td{background:#fffbeb}
.sw{display:inline-block;width:16px;height:16px;border-radius:4px;border:1px solid rgba(0,0,0,.15);vertical-align:-3px;margin-right:4px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:#e5e7eb;color:#374151}
.badge.open{background:#dbeafe;color:#1e40af}.badge.ordered{background:#fef3c7;color:#92400e}.badge.settled{background:#dcfce7;color:#166534}
.total{margin:12px 0;padding:12px;border-radius:10px;background:#f9fafb;border:1px solid var(--line);font-size:16px}
nav.sub{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
nav.sub a{padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink)}
nav.sub a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
details{border-top:1px solid var(--line);padding:8px 0}details summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:6px}details summary::-webkit-details-marker{display:none}
details form{margin-top:8px}
textarea{font-family:ui-monospace,Menlo,monospace;font-size:13px}
.ps{display:contents}.ps select.mat{flex:0 1 150px;min-width:130px}.ps select.col{flex:1;min-width:170px}
.row .ps select{width:auto}
tr.mat td{background:#f3f4f6;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:700;padding:5px 6px}