.form-container {
    max-width: 600px;
    margin: 2rem auto;
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border: 1px solid #e2e8f0;
}

.btn-primary {
    background-color: #007bff;
    color: #fff;
    transition: background-color .3s;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
    transition: background-color .3s;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

input[type="radio"] {
    display: none;
}

.form-radio-label {
    border: 1px solid #ced4da;
    padding: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 88px;
}

.form-radio-label:hover {
    border-color: #007bff;
}

input[type="radio"]:checked + .form-radio-label {
    background-color: #e7f1ff;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,.25);
}

.multi-select-dropdown {
    position: relative;
}

.multi-select-options {
    display: none;
    position: absolute;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    width: 100%;
    max-height: 200px;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.multi-select-options label {
    display: block;
    padding: 8px 12px;
    cursor: pointer;
}

.multi-select-options label:hover {
    background-color: #f1f1f1;
}

.fade {
    transition: opacity 0.3s ease;
}

.hidden.fade {
    opacity: 0;
    pointer-events: none;
}

.fade:not(.hidden) {
    opacity: 1;
}