/**
 * Estimation Calculator Styles
 * Modern, colorful, and user-friendly design
 */

.estimation-page {
    padding: 60px 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    min-height: 100vh;
}

/* Page Header */
.page-header {
    margin-bottom: 50px;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 800;
    color: #1E293B;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.page-header h1 i {
    color: #0066CC;
}

.page-header p {
    font-size: 18px;
    color: #64748B;
}

/* Calculator Tabs */
.calculator-tabs {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    flex: 1;
    min-width: 200px;
    max-width: 280px;
    padding: 20px 24px;
    background: #FFFFFF;
    border: 2px solid #E2E8F0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.tab-btn i {
    font-size: 32px;
    color: #64748B;
    transition: all 0.3s;
}

.tab-btn span {
    font-size: 16px;
    font-weight: 600;
    color: #1E293B;
}

.tab-btn:hover {
    border-color: #0066CC;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.15);
}

.tab-btn:hover i {
    color: #0066CC;
    transform: scale(1.1);
}

.tab-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #0066CC;
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
}

.tab-btn.active i,
.tab-btn.active span {
    color: #FFFFFF;
}

/* Calculator Panels */
.calculator-panel {
    display: none;
}

.calculator-panel.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calculator-card {
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.calculator-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #FFFFFF;
    padding: 32px;
    text-align: center;
}

.calculator-header h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.calculator-header p {
    font-size: 16px;
    opacity: 0.9;
}

.calculator-body {
    padding: 40px;
}

/* Calculator Grid */
.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* Input Section */
.input-section h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-section h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: #0066CC;
    border-radius: 2px;
}

.input-method-toggle {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.method-btn {
    flex: 1;
    padding: 12px;
    background: #F8FAFC;
    border: 2px solid #E2E8F0;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    color: #64748B;
    transition: all 0.3s;
}

.method-btn:hover {
    border-color: #0066CC;
    color: #0066CC;
}

.method-btn.active {
    background: #0066CC;
    border-color: #0066CC;
    color: #FFFFFF;
}

.input-area {
    display: none;
}

.input-area.active {
    display: block;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #E2E8F0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
    background: #F8FAFC;
}

.form-control:focus {
    outline: none;
    border-color: #0066CC;
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

select.form-control {
    cursor: pointer;
}

.calculated-area,
.formula-display {
    padding: 12px 16px;
    background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
    border-radius: 8px;
    margin: 16px 0;
    font-size: 16px;
    color: #0369A1;
    font-weight: 600;
}

/* Result Section */
.result-section h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.result-section h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: #00CC66;
    border-radius: 2px;
}

.result-card {
    min-height: 200px;
    background: #F8FAFC;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.result-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    color: #94A3B8;
}

.result-placeholder i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.result-placeholder p {
    font-size: 15px;
}

/* Result Success */
.result-success {
    animation: bounceIn 0.6s ease;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.result-header i {
    font-size: 32px;
    color: #00CC66;
}

.result-header h4 {
    font-size: 20px;
    font-weight: 700;
    color: #1E293B;
    margin: 0;
}

.result-price {
    background: linear-gradient(135deg, #00CC66 0%, #059669 100%);
    color: #FFFFFF;
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.price-range {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.price-label {
    font-size: 14px;
    opacity: 0.9;
}

.price-value {
    font-size: 32px;
    font-weight: 800;
}

.result-details {
    background: #FFFFFF;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #E2E8F0;
    font-size: 14px;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-item strong {
    color: #64748B;
}

.result-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: #FEF3C7;
    border-radius: 8px;
    margin-bottom: 16px;
}

.result-note i {
    color: #F59E0B;
    font-size: 18px;
    margin-top: 2px;
}

.result-note p {
    font-size: 13px;
    color: #78350F;
    margin: 0;
}

.result-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Result Error */
.result-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 40px 20px;
    color: #DC2626;
}

.result-error i {
    font-size: 48px;
}

.result-error p {
    font-size: 15px;
    font-weight: 600;
}

/* Result Call */
.result-call {
    text-align: center;
    padding: 30px 20px;
}

.result-call i {
    font-size: 56px;
    color: #0066CC;
    margin-bottom: 16px;
}

.result-call h4 {
    font-size: 24px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 12px;
}

.result-call p {
    font-size: 15px;
    color: #64748B;
    margin-bottom: 8px;
}

/* Price Chart */
.price-chart {
    margin-top: 30px;
}

.price-chart h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 16px;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    background: #FFFFFF;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.price-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #FFFFFF;
}

.price-table th {
    padding: 12px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
}

.price-table td {
    padding: 12px;
    border-bottom: 1px solid #E2E8F0;
    font-size: 14px;
    color: #1E293B;
}

.price-table tbody tr:hover {
    background: #F8FAFC;
}

.price-table tbody tr:last-child td {
    border-bottom: none;
}

.text-center {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #FFFFFF;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background: #F1F5F9;
    color: #1E293B;
}

.btn-secondary:hover {
    background: #E2E8F0;
}

.btn-success {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #FFFFFF;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* CTA Section */
.estimation-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #FFFFFF;
    padding: 50px;
    border-radius: 16px;
    text-align: center;
    margin: 50px 0;
}

.cta-content h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    min-width: 200px;
}

.cta-buttons .btn-primary {
    background: #FFFFFF;
    color: #0066CC;
}

.cta-buttons .btn-primary:hover {
    background: #F8FAFC;
}

/* Notes Section */
.estimation-notes {
    background: #FFFFFF;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.estimation-notes h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.estimation-notes h3 i {
    color: #0066CC;
}

.estimation-notes ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.estimation-notes li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: #475569;
}

.estimation-notes li i {
    color: #00CC66;
    font-size: 18px;
    margin-top: 2px;
}

/* Responsive */
@media (max-width: 1024px) {
    .calculator-grid {
        grid-template-columns: 1fr;
    }
    
    .result-section {
        order: 2;
    }
    
    .estimation-notes ul {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .estimation-page {
        padding: 40px 0;
    }
    
    .page-header h1 {
        font-size: 32px;
    }
    
    .calculator-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        max-width: 100%;
    }
    
    .calculator-body {
        padding: 24px;
    }
    
    .estimation-cta {
        padding: 32px 24px;
    }
    
    .cta-content h3 {
        font-size: 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .estimation-notes {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .result-actions {
        flex-direction: column;
    }
    
    .result-actions .btn {
        width: 100%;
    }
}