:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--line:#e7eaf0;--accent:#1769ff;--ok:#13a36d;--warn:#f59e0b;--danger:#e5484d;--shadow:0 12px 30px rgba(25,35,55,.08);--r:22px}
*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}
.top{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 20px;position:sticky;top:0;z-index:10}.brand{font-size:20px;font-weight:900}.brand span{color:var(--accent)}
.wrap{max-width:1200px;margin:auto;padding:22px}.card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:18px}.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.btn{border:0;border-radius:14px;padding:11px 15px;font-weight:800;background:#eef2f7}.btn.primary{background:var(--accent);color:#fff}.btn.ok{background:var(--ok);color:#fff}.btn.danger{background:var(--danger);color:#fff}.btn.ghost{background:#fff;border:1px solid var(--line)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.muted{color:var(--muted)}.small{font-size:13px}.metric{font-size:30px;font-weight:900}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:#eef2f7;font-size:12px;font-weight:800}.badge.ok{background:#e8f8f1;color:#0b7d54}.badge.warn{background:#fff4d9;color:#a46200}.badge.danger{background:#fdecec;color:#b42328}
input,select,textarea{border:1px solid #d9dee8;border-radius:12px;padding:10px 12px;background:#fff}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field label{font-size:13px;color:#64748b;font-weight:800}
.login{max-width:520px;margin:8vh auto}.home{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.home-card{min-height:185px;display:flex;flex-direction:column;justify-content:space-between}.icon{font-size:38px}
.tables{display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:14px}.table{padding:18px;border-radius:20px;border:2px solid #cfeee2;background:#fff;min-height:130px;display:flex;flex-direction:column;justify-content:space-between}.table.occupied{border-color:#ffdba5;background:#fffaf1}.table.bill{border-color:#ffc2c4;background:#fff6f6}.table strong{font-size:25px}
.pos{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.8fr);gap:16px}.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:12px}.product{border:1px solid var(--line);border-radius:18px;padding:15px;background:#fff;text-align:left}.product .price{font-size:20px;font-weight:900;margin-top:12px}
.side{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 68px)}.nav{background:#fff;border-right:1px solid var(--line);padding:14px}.nav button{width:100%;text-align:left;border:0;background:transparent;padding:11px 12px;border-radius:12px}.nav button:hover,.nav button.active{background:#eef4ff;color:var(--accent);font-weight:800}
table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}th{font-size:12px;text-transform:uppercase;color:#64748b}
.modalback{position:fixed;inset:0;background:rgba(16,24,39,.45);display:flex;align-items:center;justify-content:center;padding:20px;z-index:99}.modal{background:#fff;border-radius:24px;padding:22px;max-width:560px;width:100%}.notice{background:#eef4ff;border:1px solid #dce8ff;border-radius:14px;padding:12px}
@media(max-width:900px){.home,.g2,.g3,.g4,.pos{grid-template-columns:1fr}.side{grid-template-columns:1fr}.nav{display:none}.wrap{padding:14px}}