/* Glassmorphism Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-glass);
    transition: all 0.3s ease;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239AA0A6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

select.form-control option {
    background: var(--bg-dark);
    color: var(--text-main);
}

/* Buttons */
.btn {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: all 0.5s ease;
    transform: skewX(-20deg);
}

.btn:hover::after {
    left: 150%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #867BFF);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--secondary);
    border: 1px solid var(--secondary);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Alert/Feedback messages */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-danger {
    background: rgba(255, 61, 0, 0.1);
    border: 1px solid rgba(255, 61, 0, 0.3);
    color: #FF8A65;
}

.alert-success {
    background: rgba(0, 230, 118, 0.1);
    border: 1px solid rgba(0, 230, 118, 0.3);
    color: #69F0AE;
}

/* Likert Scale radio buttons visually styled */
.likert-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.likert-option {
    position: relative;
    display: block;
    cursor: pointer;
}

.likert-option input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.likert-label {
    display: block;
    padding: 15px 20px;
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    transition: all 0.2s ease;
    text-align: center;
    font-weight: 500;
}

.likert-option input:checked ~ .likert-label {
    background: rgba(108, 99, 255, 0.2);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 15px rgba(108, 99, 255, 0.3);
}

.likert-option:hover .likert-label {
    background: rgba(255, 255, 255, 0.08);
}