#auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #dc3545 0%, #8B0000 100%);
    padding: 1rem;
}

#auth-left {
    background: white;
    border-radius: 15px;
    padding: 1.75rem 1.5rem;
    box-shadow: 0 15px 50px rgba(220, 53, 69, 0.2);
    max-width: 480px;
    width: 100%;
    margin: 0 auto;
}

.auth-logo {
    text-align: center;
    margin-bottom: 1rem;
}

.auth-logo img {
    max-width: 160px;
    width: 100%;
    height: auto;
}

.auth-title {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 0.25rem;
}

.auth-title p {
    color: #6c757d;
    font-size: 0.875rem;
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 1rem;
}

.form-control-xl {
    width: 100%;
    padding: 0.75rem 2.75rem 0.75rem 2.5rem;
    font-size: 0.9rem;
    border-radius: 8px;
    border: 2px solid #dee2e6;
    transition: all 0.3s ease;
}

.form-control-xl:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.15);
    outline: none;
}

.form-control-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
    font-size: 1rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #6c757d;
    font-size: 1rem;
    z-index: 10;
    transition: color 0.2s;
}

.password-toggle:hover {
    color: #dc3545;
}

.btn-block {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    transition: all 0.3s ease;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(220, 53, 69, 0.4);
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
}

.btn-danger:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.alert {
    border-radius: 8px;
    border: none;
    margin-bottom: 1rem;
    padding: 0.75rem;
}

@media (max-width: 576px) {
    #auth-left {
        padding: 1.5rem 1.25rem;
    }
    
    .auth-logo img {
        max-width: 140px;
    }
    
    .form-control-xl {
        font-size: 0.875rem;
        padding: 0.7rem 2.5rem 0.7rem 2.25rem;
    }
}
.form-control.form-control-xl~.form-control-icon {
    top: 1.7rem !important;
}