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(max-width:640px){.bank-branding{top:1rem;left:1rem}.bank-name{font-size:1.5rem}.bank-date{font-size:.75rem}.login-card-inner{padding:2rem 1.5rem}.theme-toggle{top:1rem;right:1rem;width:2.5rem;height:2.5rem}.login-header h1{font-size:1.75rem}.form-options{flex-direction:column;gap:1rem;align-items:flex-start}.social-login{gap:.75rem}.social-button{width:2.5rem;height:2.5rem}}