:root{--bg: #0f1115;--panel: #181b22;--panel-2: #1f232c;--border: #2a2f3a;--text: #e6e8ec;--muted: #8a92a3;--accent: #4f8cff;--green: #2ecc71;--amber: #f5a623;--red: #ff5c5c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}button{cursor:pointer;border:1px solid var(--border);background:var(--panel-2);color:var(--text);padding:8px 14px;border-radius:8px;font-size:14px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:not-allowed}button.primary,button[type=submit]{background:var(--accent);border-color:var(--accent);color:#fff;width:100%}button.link{background:none;border:none;color:var(--accent);padding:0 4px}input{background:var(--bg);border:1px solid var(--border);color:var(--text);padding:9px 11px;border-radius:8px;width:100%;font-size:14px}code{background:var(--panel-2);padding:1px 5px;border-radius:4px}.header{display:flex;align-items:center;gap:24px;padding:12px 24px;border-bottom:1px solid var(--border);background:var(--panel)}.header .brand{font-weight:700}.header nav{display:flex;gap:16px}.header .who{margin-left:auto;display:flex;align-items:center;gap:12px}.badge{font-size:11px;text-transform:uppercase;padding:2px 8px;border-radius:999px;letter-spacing:.04em}.badge.admin{background:#f5a6232e;color:var(--amber)}.badge.cashier{background:#4f8cff2e;color:var(--accent)}.container{max-width:1100px;margin:0 auto;padding:24px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.muted{color:var(--muted)}.small{font-size:12px}.error{background:#ff5c5c1f;border:1px solid var(--red);color:#ffb3b3;padding:10px 12px;border-radius:8px;margin:10px 0;font-size:14px}.hint{color:var(--muted);font-size:13px}.login{max-width:360px;margin:8vh auto}.login h1{margin:0}.login form{display:grid;gap:12px;margin-top:16px}.login label{display:grid;gap:4px;font-size:13px;color:var(--muted)}.catalog-layout{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}.search{margin-bottom:16px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.product{display:grid;gap:6px}.product-name{font-weight:600}.product .row{display:flex;justify-content:space-between;align-items:center}.price{font-weight:700}.stock{font-size:12px;color:var(--muted)}.stock.out{color:var(--red)}.cart{position:sticky;top:24px;display:grid;gap:12px}.cart h2{margin:0}.cart-line{display:flex;justify-content:space-between;gap:8px;border-bottom:1px solid var(--border);padding-bottom:8px}.cart-line .qty{display:flex;align-items:center;gap:6px}.cart-line .qty button{padding:2px 8px}.cart-total{display:flex;justify-content:space-between;font-size:16px}.receipt{max-width:640px;margin:0 auto;display:grid;gap:14px}.receipt-head{display:flex;justify-content:space-between;align-items:center}.status{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}.status.paid{background:#2ecc712e;color:var(--green)}.status.pending_payment{background:#f5a6232e;color:var(--amber)}table.lines{width:100%;border-collapse:collapse}table.lines th,table.lines td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}table.lines th{color:var(--muted);font-weight:500;font-size:12px}.grand{display:flex;justify-content:space-between;font-size:18px}.report{display:grid;gap:16px}.filters{display:flex;gap:16px;align-items:end}.filters label{display:grid;gap:4px;font-size:13px;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.metric .big{font-size:28px;font-weight:700}.metric.privileged{border-color:var(--amber)}