.calculator-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px;
}

.calculator-header {
    text-align: center;
    margin-bottom: 40px;
}

.calculator-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.calculator-header .subtitle {
    color: #666;
    font-size: 1.1rem;
}

.price-display {
    position: sticky;
    top: 80px;
    z-index: 99;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    margin-bottom: 30px;
}

.price-display h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.price-display .amount {
    font-size: 3.5rem;
    font-weight: bold;
    margin: 10px 0;
}

.price-display .disclaimer {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 15px;
}

.calculator-section {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

.calculator-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #667eea;
    display: flex;
    align-items: center;
    gap: 10px;
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.option-card {
    border: 2px solid #e0e0e0;
    padding: 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.option-card:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.option-card input[type="radio"]:checked + .card-content {
    border-color: #667eea;
}

.option-card input[type="radio"]:checked ~ .option-card,
.option-card.selected {
    border-color: #667eea;
    background: #f8f9ff;
}

.option-card .card-title {
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.option-card .card-price {
    color: #667eea;
    font-weight: bold;
    font-size: 1.1rem;
}

.feature-checkbox {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.feature-checkbox:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.feature-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 15px;
    cursor: pointer;
}

.feature-checkbox input[type="checkbox"]:checked {
    accent-color: #667eea;
}

.feature-checkbox .feature-info {
    flex: 1;
}

.feature-checkbox .feature-name {
    font-weight: 600;
    color: #333;
}

.feature-checkbox .feature-price {
    color: #667eea;
    font-weight: bold;
    margin-left: auto;
}

.feature-checkbox:has(input:disabled) {
    opacity: 0.7;
    cursor: not-allowed;
}

.option-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: #f5f5f5;
    border-color: #d0d0d0;
}

.option-card.disabled:hover {
    border-color: #d0d0d0;
    transform: none;
}

.option-card.disabled input[type="radio"]:disabled {
    cursor: not-allowed;
}

.save-section {
    background: #f8f9ff;
    padding: 25px;
    border-radius: 12px;
    border: 2px dashed #667eea;
    margin-top: 30px;
}

.save-description {
    color: #666;
    margin-bottom: 15px;
}

.save-toggle {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    cursor: pointer;
}

.save-toggle input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: #667eea;
}

.save-toggle label {
    font-size: 1.2rem;
    font-weight: 600;
    color: #667eea;
    cursor: pointer;
}

.account-form {
    display: none;
    margin-top: 20px;
}

.account-form.visible {
    display: block;
}

.demo-request {
    background: #f8f9ff;
    padding: 20px;
    border-radius: 12px;
    border: 2px solid #667eea;
}

.demo-request-body {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.demo-request-checkbox {
    width: 24px;
    height: 24px;
    margin-top: 5px;
    cursor: pointer;
    accent-color: #667eea;
}

.demo-request-content {
    flex: 1;
}

.demo-request-label {
    font-size: 1.1rem;
    font-weight: 700;
    color: #667eea;
    cursor: pointer;
    margin-bottom: 8px;
    display: block;
}

.demo-request-text {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

.demo-request-badges {
    margin-top: 10px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.demo-request-badge {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.demo-request-badge.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.demo-request-badge.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

.demo-request-badge.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.btn-submit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

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

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    .option-grid {
        grid-template-columns: 1fr;
    }

    .price-display .amount {
        font-size: 2.5rem;
    }
}