body { font-family: 'Segoe UI', Arial, sans-serif; background: #f4f6f8; }
.login-box, .sucursal-box, .estadisticas { box-shadow: 0 2px 12px #0001; }
.header { background: #2d7c3f; color: #fff; padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.header h1 { margin: 0; font-size: 1.5rem; }
.header a { color: #fff; text-decoration: underline; font-size: 1rem; }