/* Multiple Jobs Tax Calculator - Professional Multi-Employer Theme */

:root {
    /* Multi-Jobs Theme Colors */
    --primary-blue: #204080;
    --secondary-blue: #5AC8FA;
    --deep-blue: #0056CC;
    --light-blue: #E3F2FD;
    
    /* Multi-Jobs Specific Colors */
    --multi-jobs-primary: #1e40af;    /* Professional blue */
    --multi-jobs-secondary: #059669;   /* Success green */
    --multi-jobs-accent: #dc2626;      /* Alert red */
    --multi-jobs-gold: #f59e0b;        /* Highlight gold */
    
    /* Employment Theme Gradients */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #059669 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #dc2626 100%);
    --gradient-accent: linear-gradient(135deg, #204080 0%, #5AC8FA 100%);
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-primary: -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;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

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

/* Breadcrumb Navigation */
.breadcrumb {
    background: var(--white);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-content {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.breadcrumb a {
    color: var(--multi-jobs-primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--multi-jobs-secondary);
    text-decoration: underline;
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    padding: var(--space-2xl) 0;
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.05) 10px, rgba(255,255,255,0.05) 20px),
        repeating-linear-gradient(-45deg, transparent, transparent 15px, rgba(255,255,255,0.03) 15px, rgba(255,255,255,0.03) 30px);
    animation: multiJobsPatternMove 20s linear infinite;
}

@keyframes multiJobsPatternMove {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(40px) translateY(40px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    font-weight: var(--font-weight-medium);
}

/* Calculator Section */
.calculator-section {
    background: var(--white);
    margin: var(--space-2xl) 0;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.calculator-section::before {
    content: '';
    height: 4px;
    background: var(--gradient-primary);
    display: block;
}

/* Section Titles */
.section-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-800);
    text-align: center;
    margin: var(--space-xl) 0;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    animation: multiJobsPulse 2s ease-in-out infinite;
}

@keyframes multiJobsPulse {
    0%, 100% { 
        width: 60px;
        opacity: 1;
    }
    50% { 
        width: 80px;
        opacity: 0.8;
    }
}

/* Form Layout */
.form-grid {
    display: grid;
    gap: var(--space-xl);
    padding: var(--space-xl);
}

.form-section {
    background: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    position: relative;
    transition: all 0.3s ease;
}

.form-section::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-section:hover {
    border-color: var(--multi-jobs-primary);
    box-shadow: var(--shadow-md);
}

.form-section:hover::before {
    opacity: 1;
}

.form-section h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Job Entry Sections */
.job-entry {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    position: relative;
    transition: all 0.3s ease;
}

.job-entry:hover {
    border-color: var(--multi-jobs-primary);
    box-shadow: var(--shadow-md);
}

.job-entry.primary {
    border-color: var(--multi-jobs-primary);
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
}

.job-entry.secondary {
    border-color: var(--multi-jobs-secondary);
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.05) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.job-entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
}

.job-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.job-badge {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
}

.job-badge.primary {
    background: var(--multi-jobs-primary);
    color: var(--white);
}

.job-badge.secondary {
    background: var(--multi-jobs-secondary);
    color: var(--white);
}

.remove-job-btn {
    background: var(--multi-jobs-accent);
    color: var(--white);
    border: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.remove-job-btn:hover {
    background: #b91c1c;
    transform: translateY(-1px);
}

/* Input Groups */
.input-group {
    margin-bottom: var(--space-lg);
}

.input-label {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

.input-label.required::after {
    content: ' *';
    color: var(--multi-jobs-accent);
    font-weight: var(--font-weight-bold);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: var(--space-md);
    color: var(--gray-500);
    font-weight: var(--font-weight-medium);
    z-index: 1;
}

.input-field {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.input-field:focus {
    outline: none;
    border-color: var(--multi-jobs-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.input-field.error {
    border-color: var(--multi-jobs-accent);
}

.input-field.error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.input-prefix + .input-field {
    padding-left: calc(var(--space-md) + 20px);
}

.select-field {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.select-field:focus {
    outline: none;
    border-color: var(--multi-jobs-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* Add Job Button */
.add-job-section {
    text-align: center;
    padding: var(--space-xl);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    transition: all 0.3s ease;
}

.add-job-section:hover {
    border-color: var(--multi-jobs-primary);
    background: rgba(30, 64, 175, 0.05);
}

.add-job-btn {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

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

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    padding: var(--space-xl);
    border-top: 1px solid var(--gray-200);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--multi-jobs-primary);
    color: var(--multi-jobs-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Results Section */
.results-section {
    background: var(--white);
    margin: var(--space-xl) 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.results-section::before {
    content: '';
    height: 4px;
    background: var(--gradient-primary);
    display: block;
}

.results-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-800);
    text-align: center;
    margin: var(--space-xl) 0;
}

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

.result-card {
    background: var(--gray-50);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.result-card:hover::before {
    transform: scaleX(1);
}

.result-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 1.5rem;
    animation: multiJobsGlow 2s ease-in-out infinite;
}

@keyframes multiJobsGlow {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(30, 64, 175, 0.3);
    }
    50% { 
        box-shadow: 0 0 30px rgba(30, 64, 175, 0.5);
    }
}

.result-value {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--multi-jobs-primary);
    margin-bottom: var(--space-sm);
}

.result-label {
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* W-4 Recommendation Section */
.w4-recommendation {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
    border: 2px solid var(--multi-jobs-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
}

.w4-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--multi-jobs-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.w4-jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.w4-job-card {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.w4-job-title {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-md);
}

.w4-recommendation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.w4-recommendation-label {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.w4-recommendation-value {
    font-weight: var(--font-weight-semibold);
    color: var(--multi-jobs-primary);
}

/* Summary Section */
.summary-section {
    background: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin: var(--space-xl) 0;
    border: 1px solid var(--gray-200);
}

.summary-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-800);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.summary-item {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

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

.summary-item.total {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
}

.summary-item-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-item.total .summary-item-label {
    color: rgba(255, 255, 255, 0.9);
}

.summary-item-value {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--multi-jobs-primary);
}

.summary-item.total .summary-item-value {
    color: var(--white);
}

/* Breakdown Section */
.breakdown-section {
    margin: var(--space-xl) 0;
}

.breakdown-section h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.breakdown-card {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.breakdown-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--multi-jobs-primary);
}

.breakdown-card h4 {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-md);
}

.breakdown-value {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--multi-jobs-primary);
    margin-bottom: var(--space-sm);
}

.breakdown-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
}

/* Info Section */
.info-section {
    margin: var(--space-2xl) 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.info-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--multi-jobs-primary);
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.info-card p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

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

.info-card li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-600);
    position: relative;
    padding-left: var(--space-lg);
}

.info-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--multi-jobs-secondary);
    font-weight: var(--font-weight-bold);
}

/* FAQ Section */
.faq-section {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.faq-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-800);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-lg) 0;
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: var(--gray-50);
    padding-left: var(--space-md);
    padding-right: var(--space-md);
    border-radius: var(--radius-md);
}

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

.faq-question {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-md);
    cursor: pointer;
    position: relative;
    padding-left: var(--space-lg);
}

.faq-question::before {
    content: 'Q:';
    position: absolute;
    left: 0;
    color: var(--multi-jobs-primary);
    font-weight: var(--font-weight-bold);
}

.faq-answer {
    color: var(--gray-600);
    line-height: 1.6;
    padding-left: var(--space-lg);
}

/* Related Calculators */
.related-calculators {
    background: var(--gray-50);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    margin: var(--space-2xl) 0;
}

.related-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-800);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.related-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--multi-jobs-primary);
    text-decoration: none;
}

.related-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 1.5rem;
}

.related-card h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-sm);
}

.related-card p {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

.related-link {
    display: inline-block;
    margin-top: var(--space-md);
    color: var(--multi-jobs-primary);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
}

.related-link:hover {
    color: var(--multi-jobs-secondary);
    text-decoration: underline;
}

/* Validation Modal */
.validation-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.validation-modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--multi-jobs-accent);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.modal-body {
    color: var(--gray-600);
    line-height: 1.6;
}

.modal-footer {
    margin-top: var(--space-lg);
    text-align: right;
}

/* Loading State */
.loading {
    position: relative;
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid var(--gray-300);
    border-top: 3px solid var(--multi-jobs-primary);
    border-radius: 50%;
    animation: multiJobsSpin 1s linear infinite;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .calculator-section,
    .results-section,
    .faq-section,
    .related-calculators {
        margin: var(--space-lg) 0;
    }
    
    .form-grid {
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .calculator-section,
    .results-section,
    .faq-section,
    .related-calculators {
        margin: var(--space-md) 0;
    }
    
    .form-section {
        padding: var(--space-lg);
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--space-xl) 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .calculator-section,
    .results-section,
    .faq-section,
    .related-calculators {
        margin: var(--space-md) 0;
    }
    
    .form-section {
        padding: var(--space-md);
    }
    
    .modal-content {
        padding: var(--space-lg);
        width: 95%;
    }
    
    .btn-primary {
        font-size: 1rem;
    }
    
    .result-value {
        font-size: 1.5rem;
    }
    
    .breakdown-value {
        font-size: 1.125rem;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --gray-100: #f0f0f0;
        --gray-300: #c0c0c0;
        --gray-500: #808080;
        --gray-700: #404040;
        --gray-900: #000000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Print Styles */
@media print {
    .hero,
    .breadcrumb,
    .form-actions,
    .faq-section,
    .related-calculators {
        display: none;
    }
    
    .calculator-section,
    .results-section {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}