.auth-card .card-header {
    background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
    border: none;
    padding: 25px 30px;
    position: relative;
}

.auth-card .card-header h3 {
    font-family: var(--font-brand);
    margin: 0;
    color: #fff;
    font-weight: 600;
    letter-spacing: 1.5px;
    font-size: 1.5rem;
}

.auth-card .card-body {
    padding: 40px;
}

.auth-form .form-label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #344767;
    font-size: 0.875rem;
}

.auth-form .input-group {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    margin-bottom: 5px;
}

.auth-form .input-group-text {
    background-color: #fff;
    border-right: none;
    border-color: #e9ecef;
    color: #8392ab;
    padding-left: 16px;
    padding-right: 16px;
}

.auth-form .form-control {
    border-left: none;
    padding: 12px 16px;
    border-color: #e9ecef;
    font-size: 0.95rem;
    font-weight: 400;
}

.auth-form .form-control:focus {
    box-shadow: none;
    border-color: #e9ecef;
}

.auth-form .input-group:focus-within {
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.1);
}

.auth-form .form-check {
    padding-left: 1.75rem;
}

.auth-form .form-check-input {
    width: 18px;
    height: 18px;
    margin-top: 0.25em;
    margin-left: -1.75rem;
    border-radius: 4px;
    border: 1px solid #ced4da;
}

.auth-form .form-check-label {
    font-size: 0.9rem;
    color: #67748e;
}

.auth-form .form-text {
    font-size: 0.75rem;
    color: #67748e;
    margin-top: 5px;
}

.auth-form .btn {
    padding: 12px 24px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.auth-form .btn-primary {
    background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
    border: none;
    border-radius: 12px;
}

.auth-form .btn-primary:hover {
    background: linear-gradient(135deg, #4F46E5 0%, #4338CA 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(79, 70, 229, 0.3);
}

.btn-outline-light {
    color: #495057 !important;
}

.btn-outline-light:hover {
    color: #212529 !important;
    background-color: rgba(0, 0, 0, 0.05);
}

.auth-alert {
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 25px;
    font-weight: 500;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    border: none;
}

.auth-alert.alert-danger {
    background-color: rgba(253, 92, 112, 0.1);
    color: #fd5c70;
}

.auth-alert.alert-success {
    background-color: rgba(66, 186, 150, 0.1);
    color: #42ba96;
}

.auth-alert i {
    margin-right: 12px;
    font-size: 18px;
}

.auth-form {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 991.98px) {
    .auth-container {
        padding: 40px 20px;
    }
}

@media (max-width: 767.98px) {
    .auth-card .card-body {
        padding: 30px 20px;
    }

    .auth-form .btn {
        padding: 12px 15px;
    }
}

@media (max-width: 575.98px) {
    .auth-card .card-body {
        padding: 25px 15px;
    }
}