*{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--success:#16a34a;--success-bg:#dcfce7;--warn:#d97706;--warn-bg:#fef3c7;--danger:#dc2626;--danger-bg:#fee2e2;--bg:#f1f5f9;--card:#fff;--border:#e2e8f0;--text:#1e293b;--muted:#64748b;--sidebar-w:240px;--topbar-h:56px;--radius:8px}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--primary);text-decoration:none}.login-page{background:linear-gradient(135deg,#1e3a8a,#2563eb);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:var(--card);border-radius:12px;width:100%;max-width:380px;padding:40px;box-shadow:0 8px 32px #0003}.login-card 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input{width:80px}.config-desc{color:var(--muted);margin-bottom:12px;font-size:13px}.rate-input{align-items:center;gap:8px;display:flex}.rate-label{white-space:nowrap;font-size:16px;font-weight:600}.rate-field{text-align:center;width:140px;font-size:18px;font-weight:700}.rate-currency{color:var(--muted);font-size:16px;font-weight:600}.rate-banner{color:#1e40af;border-radius:var(--radius);text-align:center;background:#dbeafe;margin-bottom:16px;padding:8px 16px;font-size:14px;font-weight:600}.pos-header{align-items:center;gap:12px;margin-bottom:12px;display:flex}.pos-header h1{margin-bottom:0}.rate-inline{color:var(--muted);background:var(--bg);border-radius:4px;padding:2px 8px;font-size:12px}.total-row.primary span:last-child{color:var(--primary);font-size:18px}.total-row.bs{color:var(--muted);font-size:13px}.password-section{border-top:1px solid var(--border);margin-top:24px;padding-top:20px}.password-section h2{margin-bottom:12px}@media (width<=768px){.pos-layout{grid-template-columns:1fr}.pos-cart{max-height:none}.product-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));max-height:40vh}.stats-grid,.quick-actions{grid-template-columns:repeat(2,1fr)}.form-row{flex-direction:column}.filter-bar{flex-direction:column;align-items:stretch}.filter-bar span{display:none}.page-header{flex-direction:column;align-items:stretch;gap:8px}}