/* ========================================
   Tax Calculator Module Styles
   ======================================== */

/* Calculator Container */
.calculator-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: start;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Tooltips */
.tooltip-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: white;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 600;
    cursor: help;
    margin-left: 6px;
    transition: all 0.2s ease;
    vertical-align: middle;
}

.tooltip-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.tooltip-container {
    position: fixed;
    z-index: 1000;
    max-width: 300px;
    pointer-events: none;
}

.tooltip-content {
    background: #1f2937;
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.tooltip-content::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 16px;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #1f2937;
}

/* Income Type Info Box */
.income-type-info {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 12px;
    margin-top: 8px;
    font-size: 13px;
    color: #1e40af;
    line-height: 1.5;
}

.info-icon-small {
    flex-shrink: 0;
    font-size: 16px;
}

/* Savings Comparison Chart */
.savings-comparison-chart {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.chart-bar-container {
    margin-bottom: 16px;
}

.chart-label {
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
    margin-bottom: 8px;
}

.chart-bar {
    height: 36px;
    background: #e2e8f0;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.chart-bar .bar-fill {
    height: 100%;
    border-radius: 8px;
    transition: width 0.6s ease-out;
}

.standard-bar .bar-fill {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

.treaty-bar .bar-fill {
    background: linear-gradient(90deg, #22c55e, #16a34a);
}

.bar-value {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.savings-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border: 2px solid #22c55e;
    border-radius: 12px;
    padding: 16px 24px;
    margin-top: 20px;
}

.savings-icon {
    font-size: 28px;
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.savings-text {
    font-size: 18px;
    color: #166534;
}

.savings-text strong {
    font-size: 24px;
    font-weight: 700;
    color: #15803d;
}

/* Treaty Info Panel */
.treaty-info-panel {
    background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
    border: 1px solid #fde047;
    border-radius: 12px;
    padding: 20px;
    margin-top: 24px;
}

.treaty-info-panel h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #854d0e;
    margin-bottom: 16px;
}

.panel-icon {
    font-size: 20px;
}

.treaty-details {
    display: grid;
    gap: 12px;
    margin-bottom: 16px;
}

.treaty-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
}

.detail-label {
    font-size: 13px;
    color: #92400e;
    font-weight: 500;
}

.detail-value {
    font-size: 14px;
    color: #78350f;
    font-weight: 600;
}

.treaty-tip {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 8px;
    padding: 12px;
    font-size: 13px;
    color: #92400e;
    line-height: 1.5;
}

.tip-icon {
    flex-shrink: 0;
    font-size: 16px;
}

/* Result Actions */
.result-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
}

.result-actions .btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-icon {
    font-size: 16px;
}

/* Calculation History Panel */
.calculation-history-panel {
    position: fixed;
    right: 0;
    top: 0;
    width: 360px;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 100;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.calculation-history-panel.visible {
    transform: translateX(0);
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    background: white;
}

.history-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin: 0;
}

.btn-close {
    width: 32px;
    height: 32px;
    border: none;
    background: #f1f5f9;
    border-radius: 8px;
    font-size: 20px;
    color: #64748b;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.btn-close:hover {
    background: #e2e8f0;
    color: #1e293b;
}

.history-list {
    padding: 16px;
}

.empty-history {
    text-align: center;
    padding: 40px 20px;
    color: #64748b;
}

.empty-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin-bottom: 12px;
    transition: all 0.2s;
}

.history-item:hover {
    background: #f1f5f9;
    border-color: var(--primary-light);
}

.history-route {
    display: flex;
    align-items: center;
    gap: 6px;
}

.country-flag {
    font-size: 20px;
}

.route-arrow {
    color: #94a3b8;
    font-size: 14px;
}

.history-details {
    flex: 1;
}

.history-amount {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.history-savings {
    font-size: 12px;
    color: #22c55e;
    font-weight: 500;
}

.history-date {
    font-size: 11px;
    color: #94a3b8;
}

/* Responsive Styles for Enhanced Calculator */
@media (max-width: 1024px) {
    .calculator-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tooltip-container {
        max-width: 250px;
    }
    
    .savings-comparison-chart {
        padding: 16px;
    }
    
    .savings-highlight {
        flex-direction: column;
        text-align: center;
        padding: 12px 16px;
    }
    
    .savings-text strong {
        font-size: 20px;
    }
    
    .treaty-info-panel {
        padding: 16px;
    }
    
    .treaty-detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .result-actions .btn {
        width: 100%;
    }
    
    .calculation-history-panel {
        width: 100%;
    }
    
    .income-type-info {
        font-size: 12px;
    }
}

/* Calculator Form */
.calculator-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid #e5e7eb;
    min-width: 500px;
}

.form-section {
    margin-bottom: 2rem;
}

.form-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.2s ease;
    background: var(--white);
    min-height: 48px;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Responsive Design for Calculator */
@media (max-width: 768px) {
    .calculator-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 1rem auto;
        padding: 0 1rem;
        max-width: 100%;
    }
    
    .calculator-form {
        min-width: unset;
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}



/* Calculator Results */
.calculator-results {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid #e5e7eb;
}

.results-section {
    padding: 2rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.result-card {
    background: linear-gradient(135deg, #f8faff 0%, #f1f5f9 100%);
    border: 1px solid var(--primary-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s ease;
}

.result-card:hover {
    transform: translateY(-2px);
}

.result-card.highlight {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border-color: var(--success);
}

.result-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.result-card.highlight .result-value {
    color: var(--success);
}

/* Info Cards */
.results-info {
    margin-top: 2rem;
}

.info-card {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid var(--info);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.info-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 1rem;
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
}

.info-card li {
    padding: 0.5rem 0;
    color: var(--gray-dark);
    position: relative;
    padding-left: 1.5rem;
}

.info-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 600;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
    font-weight: 600;
    width: 100%;
    margin-top: 1rem;
}

/* Error Handling */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin: 1rem 0;
    border: 1px solid;
}

.alert-error {
    background: #fef2f2;
    border-color: var(--danger);
    color: #991b1b;
}

.alert-success {
    background: #f0fdf4;
    border-color: var(--success);
    color: #166534;
}

.alert-warning {
    background: #fffbeb;
    border-color: var(--warning);
    color: #92400e;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .calculator-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .result-card {
        padding: 1rem;
    }
    
    .calculator-form,
    .calculator-results .results-section {
        padding: 1rem;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Breakdown Items */
.breakdown-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.breakdown-item:last-child {
    margin-bottom: 0;
    padding-top: 0.5rem;
    border-top: 1px solid #e5e7eb;
    font-weight: 600;
}

.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

/* New Informational Sections */
.info-section,
.comparison-section,
.timeline-section,
.faq-section,
.cta-section {
    margin-top: 3rem;
    margin-bottom: 2rem;
}

/* Info Cards Grid */
.info-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.info-cards-grid .info-card {
    background: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.info-cards-grid .info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.info-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.info-cards-grid .info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 1rem;
}

.info-cards-grid .info-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.info-cards-grid .info-card ul {
    text-align: left;
    color: var(--gray-dark);
    margin-bottom: 1.5rem;
}

.info-cards-grid .info-card li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.info-cards-grid .info-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 600;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.8rem;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    background: var(--white);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.comparison-table th {
    background: var(--primary);
    color: var(--white);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: middle;
}

.comparison-table tbody tr:hover {
    background: var(--light);
}

.country-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.flag {
    font-size: 1.25rem;
}

.rate-cell.standard {
    color: var(--danger);
    font-weight: 600;
}

.rate-cell.treaty {
    color: var(--success);
    font-weight: 600;
}

.timing-cell {
    color: var(--warning);
    font-weight: 500;
}

.requirements-cell {
    font-size: 0.875rem;
    color: var(--gray-dark);
}

/* Timeline Section */
.timeline {
    position: relative;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--primary-light));
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 5rem;
}

.timeline-marker {
    position: absolute;
    left: 1rem;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    z-index: 1;
}

.timeline-content {
    background: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.timeline-content p {
    color: var(--gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.timeline-tools {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tool-tag {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.faq-item {
    background: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background: var(--light);
}

.faq-toggle {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--primary);
    transition: transform 0.2s ease;
}

.faq-question.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--light);
}

.faq-answer.active {
    max-height: 200px;
}

.faq-answer p {
    padding: 1.5rem;
    margin: 0;
    color: var(--gray-dark);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    text-align: center;
    color: var(--white);
    margin-top: 4rem;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
    font-weight: 600;
}

.cta-section .btn-outline {
    border-color: var(--white);
    color: var(--white);
}

.cta-section .btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}

.cta-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Responsive Design Updates */
@media (max-width: 768px) {
    .info-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table-wrapper {
        font-size: 0.875rem;
    }
    
    .timeline::before {
        left: 1rem;
    }
    
    .timeline-item {
        padding-left: 3rem;
    }
    
    .timeline-marker {
        left: 0.5rem;
        width: 1.5rem;
        height: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .cta-section {
        padding: 2rem 1rem;
    }
    
    .cta-content h2 {
        font-size: 1.5rem;
    }
    
    .cta-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}



/* Locked select options - make them visible but disabled */
select option:disabled {
    color: #9CA3AF !important;
    font-style: italic;
    cursor: not-allowed;
}

/* Ensure optgroups are always visible */
select optgroup {
    color: #4B5563;
    font-weight: 600;
    font-size: 14px;
}

/* Calculator Upgrade Banner */
.calculator-upgrade-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.upgrade-banner-content {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
}

.upgrade-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.upgrade-text {
    flex: 1;
}

.upgrade-text h3 {
    margin: 0 0 8px 0;
    font-size: 20px;
    color: white;
}

.upgrade-text p {
    margin: 0;
    font-size: 14px;
    opacity: 0.95;
}

.upgrade-text strong {
    font-weight: 700;
}

.btn-upgrade {
    background: white;
    color: #667eea;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.2s;
}

.btn-upgrade:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.locked-countries-preview {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.preview-country {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
}

.preview-more {
    background: rgba(255, 255, 255, 0.3);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
}

@media (max-width: 768px) {
    .upgrade-banner-content {
        flex-direction: column;
        text-align: center;
    }
    
    .btn-upgrade {
        width: 100%;
    }
    
    .locked-countries-preview {
        justify-content: center;
    }
}