#loginModal .modal-content {
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

#loginModal .modal-header {
    background: linear-gradient(135deg, #2B7CE9 0%, #1a5bb8 100%);
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    padding: 1.5rem;
    border-bottom: none;
}

#loginModal .modal-title {
    font-size: 1.5rem;
    font-weight: 600;
}

#loginModal .modal-body {
    background-color: #f8f9fa;
    padding: 2rem;
}

#loginModal .form-label {
    color: #495057;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

#loginModal .form-control,
#loginModal .form-select {
    border-radius: 8px;
    border: 1px solid #ced4da;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

#loginModal .form-control:focus,
#loginModal .form-select:focus {
    border-color: #2B7CE9;
    box-shadow: 0 0 0 0.25rem rgba(43, 124, 233, 0.25);
    outline: none;
}

#loginModal .input-group .btn {
    border-radius: 0 8px 8px 0;
    border-left: none;
}

#loginModal #togglePassword {
    border-color: #ced4da;
    background-color: #fff;
}

#loginModal #togglePassword:hover {
    background-color: #e9ecef;
}

#loginModal .btn-primary {
    background: linear-gradient(135deg, #2B7CE9 0%, #1a5bb8 100%);
    border: none;
    border-radius: 8px;
    padding: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

#loginModal .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(43, 124, 233, 0.3);
}

#loginModal .btn-primary:disabled {
    background: #6c757d;
    cursor: not-allowed;
    transform: none;
    opacity: 0.65;
}

#institucionDisplay {
    border-left: 4px solid #2B7CE9;
    background-color: #e7f3ff;
    border-radius: 8px;
}

#errorMessage,
#successMessage {
    border-radius: 8px;
    animation: slideIn 0.3s ease;
}

#errorMessage {
    border-left: 4px solid #dc3545;
}

#successMessage {
    border-left: 4px solid #28a745;
}

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

#loadingSpinner {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

#loginModal .modal-footer {
    background-color: #f8f9fa;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    padding: 1rem 2rem;
    border-top: 1px solid #dee2e6;
}

#loginModal .invalid-feedback {
    display: none;
    font-size: 0.875rem;
    color: #dc3545;
    margin-top: 0.25rem;
}

#loginModal .form-control.is-invalid,
#loginModal .form-select.is-invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

#loginModal .form-control.is-invalid ~ .invalid-feedback,
#loginModal .form-select.is-invalid ~ .invalid-feedback {
    display: block;
}

#loginModal .form-control.is-valid,
#loginModal .form-select.is-valid {
    border-color: #28a745;
}