/* Medical Expense Calculator - Professional Healthcare Theme */
:root {
    /* Medical Theme Colors */
    --primary-color: #0D9488; /* Medical teal */
    --secondary-color: #06B6D4; /* Healthcare cyan */
    --accent-color: #10B981; /* Health green */
    --dark-color: #0F766E; /* Dark teal */
    --light-color: #F0FDFA; /* Light teal background */
    --success-color: #059669; /* Success green */
    --warning-color: #D97706; /* Warning orange */
    --error-color: #DC2626; /* Error red */
    
    /* Text Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    
    /* Border and Shadow */
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Breadcrumb Navigation */
.breadcrumb {
    background: var(--bg-primary);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: var(--dark-color);
}

.breadcrumb .separator {
    color: var(--text-light);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.feature-badge {
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Calculator Section */
.calculator-section {
    padding: var(--spacing-2xl) 0;
}

.calculator-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.calculator-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.calculator-header {
    background: linear-gradient(135deg, var(--light-color) 0%, rgba(13, 148, 136, 0.05) 100%);
    padding: var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.calculator-header h2 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.calculator-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Form Styles */
.calculator-form {
    padding: var(--spacing-xl);
}

.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-section h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--light-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-section h3::before {
    content: "🏥";
    font-size: 1.125rem;
}

.form-section:nth-child(2) h3::before { content: "💊"; }
.form-section:nth-child(3) h3::before { content: "🚗"; }
.form-section:nth-child(4) h3::before { content: "🏥"; }
.form-section:nth-child(5) h3::before { content: "💰"; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.input-label {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.input-label.required::after {
    content: " *";
    color: var(--error-color);
    font-weight: var(--font-weight-bold);
}

.input-field {
    padding: 0.75rem var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: all 0.2s ease;
    background-color: var(--bg-primary);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.input-field.error {
    border-color: var(--error-color);
    animation: shake 0.3s ease-in-out;
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    line-height: 1.4;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-width: 140px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Results Section */
.results-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.results-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.results-header h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.results-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.result-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.result-card.primary {
    background: linear-gradient(135deg, var(--light-color) 0%, rgba(13, 148, 136, 0.05) 100%);
    border-color: var(--primary-color);
}

.result-card.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    border-color: var(--success-color);
}

.result-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.result-content .result-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-content .result-value {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1.2;
}

/* Results Details */
.results-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.details-section,
.analysis-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-light);
}

.details-section h3,
.analysis-section h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.details-section h3::before {
    content: "📊";
}

.analysis-section h3::before {
    content: "💡";
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

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

.breakdown-item.total {
    border-top: 2px solid var(--primary-color);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}

.breakdown-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.breakdown-value {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    font-size: 0.875rem;
}

.breakdown-item.total .breakdown-label,
.breakdown-item.total .breakdown-value {
    color: var(--primary-color);
    font-size: 1rem;
}

/* Analysis Content */
.analysis-content {
    color: var(--text-secondary);
    line-height: 1.6;
}

.analysis-content ul {
    list-style: none;
    padding: 0;
}

.analysis-content li {
    padding: var(--spacing-sm) 0;
    padding-left: 1.5rem;
    position: relative;
}

.analysis-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: var(--font-weight-bold);
}

/* Information Section */
.info-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.info-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

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

.info-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: block;
    text-align: center;
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.info-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

/* Related Calculators */
.related-calculators {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.related-calculators h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.calculator-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    text-align: center;
}

.calculator-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.calculator-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.calculator-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.calculator-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.calculator-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: all 0.2s ease;
}

.calculator-link:hover {
    color: var(--dark-color);
    transform: translateX(4px);
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.faq-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.faq-header h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.faq-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.faq-item h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Validation Modal */
.validation-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--error-color) 0%, #EF4444 100%);
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modal-body li {
    padding: var(--spacing-sm) 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.modal-body li::before {
    content: "⚠️";
    position: absolute;
    left: 0;
}

.modal-footer {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    display: flex;
    justify-content: flex-end;
}

/* Animations */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.results-section {
    animation: fadeIn 0.5s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .results-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .results-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
    }
    
    .calculator-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .calculator-section,
    .results-section,
    .info-section,
    .related-calculators,
    .faq-section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .calculator-card,
    .details-section,
    .analysis-section {
        padding: var(--spacing-lg);
    }
}

/* Print Styles */
@media print {
    .hero,
    .related-calculators,
    .faq-section,
    .form-actions {
        display: none;
    }
    
    .calculator-card,
    .results-section {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    body {
        background: white;
    }
}