:root{--bg:#f4f6f8;--ink:#17202a;--muted:#6b7280;--line:#e5e7eb;--card:#fff;--accent:#174b3a;--accent2:#e9b949;--danger:#b42318}
*{box-sizing:border-box}body{margin:0;font:14px/1.45 Inter,Arial,sans-serif;background:var(--bg);color:var(--ink)}aside{position:fixed;inset:0 auto 0 0;width:230px;background:#10251f;color:#fff;padding:24px 16px}.brand{font-size:24px;font-weight:800;margin:0 10px 24px}.brand span{color:var(--accent2)}nav a{display:block;color:#d9e5e0;text-decoration:none;padding:11px 12px;border-radius:8px;margin:3px 0}nav a:hover{background:#1d3b32;color:#fff}main.app{margin-left:230px}.top{height:82px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:14px 28px}.top h1{margin:0;font-size:21px}.top small,.muted{color:var(--muted)}.content{padding:24px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 1px 2px #00000008}.metric b{display:block;font-size:25px;margin-top:6px}.toolbar{display:flex;gap:10px;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap}.btn,button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 14px;text-decoration:none;cursor:pointer}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}input,select,textarea{width:100%;padding:10px;border:1px solid #cfd5db;border-radius:7px;background:#fff}.formgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.formgrid .wide{grid-column:span 3}label{display:block;font-weight:600;margin-bottom:5px}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line)}th{font-size:12px;text-transform:uppercase;color:#5f6872;background:#f9fafb}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef2f1}.login{max-width:420px;margin:10vh auto}.alert{padding:10px 12px;border-radius:8px;background:#fff1f0;color:var(--danger);margin-bottom:12px}.pos{display:grid;grid-template-columns:2fr 1fr;gap:18px}.products{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.product{padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}.total{font-size:28px;font-weight:800}@media(max-width:900px){aside{position:static;width:auto}main.app{margin:0}.grid{grid-template-columns:repeat(2,1fr)}.pos{grid-template-columns:1fr}.formgrid{grid-template-columns:1fr}.formgrid .wide{grid-column:span 1}}