:root{--bg: #f6f8fb;--surface: #ffffff;--border: #e5e7eb;--text: #0f172a;--muted: #64748b;--primary: #0ea5e9;--primary-dark: #0284c7;--success: #10b981;--danger: #ef4444;--warn: #f59e0b;--shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary-dark);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 12px}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:#0f172a;color:#cbd5e1;padding:18px 0;flex-shrink:0}.sidebar .brand{color:#fff;padding:0 18px 18px;font-weight:700;font-size:17px;border-bottom:1px solid #1e293b}.sidebar nav{display:flex;flex-direction:column;padding:10px 0}.sidebar nav a{color:#cbd5e1;padding:9px 18px;border-left:3px solid transparent;text-decoration:none;font-size:13px}.sidebar nav a:hover{background:#1e293b;color:#fff}.sidebar nav a.active{background:#1e293b;color:#fff;border-left-color:var(--primary)}.sidebar nav .group{color:#64748b;font-size:11px;text-transform:uppercase;padding:14px 18px 6px;letter-spacing:.5px}.main{flex:1;display:flex;flex-direction:column}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 22px;display:flex;align-items:center;justify-content:space-between}.topbar .title{font-weight:600;font-size:15px}.topbar .user{color:var(--muted);font-size:13px}.topbar .user b{color:var(--text)}.content{padding:22px;flex:1}.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:18px;margin-bottom:18px}.card h2{font-size:15px}.card h3{font-size:14px;color:var(--muted)}.row{display:flex;gap:14px;flex-wrap:wrap}.col{flex:1;min-width:200px}.kpi{background:var(--surface);padding:16px;border-radius:8px;border:1px solid var(--border)}.kpi .label{color:var(--muted);font-size:12px;text-transform:uppercase}.kpi .value{font-size:22px;font-weight:700;margin-top:4px}.kpi.success .value{color:var(--success)}.kpi.danger .value{color:var(--danger)}.kpi.warn .value{color:var(--warn)}table.t{width:100%;border-collapse:collapse;background:var(--surface)}table.t th,table.t td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}table.t th{background:#f1f5f9;font-weight:600;color:#334155}table.t tr:hover td{background:#f8fafc}table.t td.right,table.t th.right{text-align:right}.btn{display:inline-block;padding:8px 14px;border:0;border-radius:6px;font-size:13px;cursor:pointer;background:var(--primary);color:#fff}.btn:hover{background:var(--primary-dark)}.btn.sec{background:#e2e8f0;color:#0f172a}.btn.sec:hover{background:#cbd5e1}.btn.danger{background:var(--danger)}.btn.success{background:var(--success)}.btn.sm{padding:5px 10px;font-size:12px}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:#fff;color:var(--text);font-family:inherit}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px;border-color:var(--primary)}label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px;font-weight:500}.field{margin-bottom:12px}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.badge.green{background:#dcfce7;color:#15803d}.badge.red{background:#fee2e2;color:#b91c1c}.badge.amber{background:#fef3c7;color:#b45309}.badge.gray{background:#e2e8f0;color:#475569}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.toolbar .grow{flex:1}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0ea5e9,#0f172a)}.login-card{background:#fff;padding:32px;border-radius:12px;width:360px;box-shadow:0 10px 40px #0003}.login-card h1{font-size:20px;text-align:center;margin-bottom:6px}.login-card .sub{color:var(--muted);text-align:center;margin-bottom:18px;font-size:13px}.err{background:#fee2e2;color:#b91c1c;padding:10px;border-radius:6px;margin-bottom:12px;font-size:13px}.ok{background:#dcfce7;color:#15803d;padding:10px;border-radius:6px;margin-bottom:12px;font-size:13px}.pos{display:grid;grid-template-columns:1.4fr 1fr;gap:16px}.pos .cart-items td{vertical-align:middle}.pos .totals{padding:12px;background:#f8fafc;border-radius:6px}.pos .totals .line{display:flex;justify-content:space-between;padding:4px 0}.pos .totals .grand{font-weight:700;font-size:18px;border-top:1px solid var(--border);margin-top:6px;padding-top:8px}@media print{.sidebar,.topbar,.no-print{display:none!important}.content,.main,.app{display:block;padding:0;background:#fff}.invoice{width:80mm;margin:0 auto;font-size:12px}}.invoice{background:#fff;padding:24px;max-width:380px;margin:20px auto;border:1px solid var(--border)}.invoice h2{text-align:center;margin:0 0 4px}.invoice .center{text-align:center}.invoice .meta{font-size:12px;margin:8px 0}.invoice table{width:100%;border-collapse:collapse;font-size:12px;margin-top:10px}.invoice table th,.invoice table td{padding:4px 2px;border-bottom:1px dashed #cbd5e1;text-align:left}.invoice .tot{display:flex;justify-content:space-between;padding:2px 0;font-size:12px}.invoice .grand{font-weight:700;border-top:1px solid #000;padding-top:4px;margin-top:4px}.muted{color:var(--muted)}.text-right{text-align:right}.flex{display:flex;gap:10px;align-items:center}.gap{gap:10px}