*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.login-card{width:400px;border-radius:12px;box-shadow:0 20px 60px #00000026}.login-title{text-align:center;font-size:24px;font-weight:600;margin-bottom:8px;color:#1a1a1a}.login-subtitle{text-align:center;color:#666;margin-bottom:32px}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{padding:20px;border-radius:12px;color:#fff}.stat-card .stat-value{font-size:28px;font-weight:700;margin:8px 0}.stat-card .stat-label{font-size:14px;opacity:.85}.pos-container{display:grid;grid-template-columns:1fr 380px;gap:16px;height:calc(100vh - 120px)}.pos-products{overflow-y:auto;padding:16px;background:white;border-radius:12px}.pos-cart{background:white;border-radius:12px;padding:16px;display:flex;flex-direction:column}.pos-product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.pos-product-item{padding:12px;border:1px solid #f0f0f0;border-radius:8px;text-align:center;cursor:pointer;transition:all .2s}.pos-product-item:hover{border-color:#1677ff;box-shadow:0 2px 8px #1677ff1a}.pos-product-item .product-name{font-size:13px;font-weight:500;margin-bottom:4px}.pos-product-item .product-price{color:#ff4d4f;font-weight:600}