/**
 * Worldwide Mortgage Calculator - Styles
 * Version: 1.0.0
 */

/* CSS Variables */
:root {
    --mc-primary: #1e5aa8;
    --mc-primary-dark: #164785;
    --mc-primary-light: #e8f1fa;
    --mc-secondary: #2d8a5e;
    --mc-secondary-dark: #236b49;
    --mc-accent: #f39c12;
    --mc-text: #2c3e50;
    --mc-text-light: #5a6c7d;
    --mc-text-muted: #8b9aab;
    --mc-bg: #ffffff;
    --mc-bg-alt: #f8fafc;
    --mc-border: #e2e8f0;
    --mc-border-focus: #1e5aa8;
    --mc-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --mc-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --mc-radius: 8px;
    --mc-radius-lg: 12px;
    --mc-spacing-xs: 0.5rem;
    --mc-spacing-sm: 1rem;
    --mc-spacing-md: 1.5rem;
    --mc-spacing-lg: 2rem;
    --mc-spacing-xl: 3rem;
    --mc-spacing-xxl: 4rem;
    --mc-transition: all 0.2s ease;
}

/* Container */
.mc-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--mc-spacing-md);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--mc-text);
    background: var(--mc-bg);
}

/* Header */
.mc-header {
    text-align: center;
    margin-bottom: var(--mc-spacing-xl);
    padding: var(--mc-spacing-lg) 0;
}

.mc-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--mc-primary);
    margin-bottom: var(--mc-spacing-md);
    line-height: 1.2;
}

.mc-intro {
    font-size: 1.125rem;
    color: var(--mc-text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Navigation */
.mc-nav {
    background: var(--mc-bg-alt);
    border-radius: var(--mc-radius);
    padding: var(--mc-spacing-sm) var(--mc-spacing-md);
    margin-bottom: var(--mc-spacing-xl);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--mc-shadow);
}

.mc-nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--mc-spacing-sm);
    list-style: none;
    margin: 0;
    padding: 0;
}

.mc-nav-list a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--mc-text);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--mc-radius);
    transition: var(--mc-transition);
}

.mc-nav-list a:hover,
.mc-nav-list a:focus {
    background: var(--mc-primary);
    color: #fff;
}

/* Section Titles */
.mc-section-title {
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--mc-text);
    margin-bottom: var(--mc-spacing-md);
    padding-bottom: var(--mc-spacing-xs);
    border-bottom: 3px solid var(--mc-primary);
    display: inline-block;
}

/* Calculator Section */
.mc-calculator-section {
    background: var(--mc-bg-alt);
    border-radius: var(--mc-radius-lg);
    padding: var(--mc-spacing-xl);
    margin-bottom: var(--mc-spacing-xxl);
}

.mc-calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--mc-spacing-xl);
}

@media (min-width: 992px) {
    .mc-calculator-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

/* Form Styles */
.mc-form {
    background: var(--mc-bg);
    border-radius: var(--mc-radius-lg);
    padding: var(--mc-spacing-lg);
    box-shadow: var(--mc-shadow);
}

.mc-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--mc-spacing-md);
}

@media (min-width: 768px) {
    .mc-form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.mc-field-group {
    display: flex;
    flex-direction: column;
}

.mc-field-group.mc-full-width {
    grid-column: 1 / -1;
}

.mc-label {
    font-weight: 600;
    color: var(--mc-text);
    margin-bottom: 0.375rem;
    font-size: 0.9375rem;
}

.mc-required {
    color: #e74c3c;
}

.mc-help-text {
    font-weight: 400;
    color: var(--mc-text-muted);
    font-size: 0.875rem;
    margin-left: 0.25rem;
}

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

.mc-currency-symbol,
.mc-percent-symbol,
.mc-period-label {
    position: absolute;
    font-weight: 500;
    color: var(--mc-text-light);
    pointer-events: none;
    z-index: 2;
}

.mc-currency-symbol {
    left: 0.875rem;
}

.mc-percent-symbol {
    right: 0.875rem;
}

.mc-period-label {
    right: 0.875rem;
    font-size: 0.875rem;
}

.mc-input,
.mc-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--mc-border);
    border-radius: var(--mc-radius);
    background: var(--mc-bg);
    color: var(--mc-text);
    transition: var(--mc-transition);
}

.mc-input {
    padding-left: 2.5rem;
}

.mc-input:has(+ .mc-percent-symbol),
.mc-input:has(+ .mc-period-label) {
    padding-right: 2.5rem;
}

.mc-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6c7d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.mc-input:hover,
.mc-select:hover {
    border-color: #cbd5e1;
}

.mc-input:focus,
.mc-select:focus {
    outline: none;
    border-color: var(--mc-border-focus);
    box-shadow: 0 0 0 3px rgba(30, 90, 168, 0.15);
}

.mc-input:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
}

.mc-input:valid:not(:placeholder-shown) {
    border-color: var(--mc-secondary);
}

/* Down Payment Row */
.mc-input-row {
    display: flex;
    gap: var(--mc-spacing-sm);
}

.mc-input-row .mc-input-wrapper {
    flex: 1;
}

.mc-period-select {
    width: auto;
    min-width: 110px;
}

/* Error Messages */
.mc-error {
    display: block;
    color: #e74c3c;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

/* Form Actions */
.mc-form-actions {
    display: flex;
    gap: var(--mc-spacing-sm);
    margin-top: var(--mc-spacing-lg);
    padding-top: var(--mc-spacing-md);
    border-top: 1px solid var(--mc-border);
}

.mc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--mc-radius);
    cursor: pointer;
    transition: var(--mc-transition);
}

.mc-btn-primary {
    background: var(--mc-primary);
    color: #fff;
    flex: 1;
}

.mc-btn-primary:hover,
.mc-btn-primary:focus {
    background: var(--mc-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--mc-shadow-lg);
}

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

.mc-btn-secondary:hover,
.mc-btn-secondary:focus {
    background: var(--mc-border);
}

.mc-btn-toggle {
    background: var(--mc-primary-light);
    color: var(--mc-primary);
    margin-top: var(--mc-spacing-md);
    width: 100%;
}

.mc-btn-toggle:hover,
.mc-btn-toggle:focus {
    background: var(--mc-primary);
    color: #fff;
}

/* Results Section */
.mc-results {
    background: var(--mc-bg);
    border-radius: var(--mc-radius-lg);
    padding: var(--mc-spacing-lg);
    box-shadow: var(--mc-shadow);
}

.mc-results-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--mc-text);
    margin-bottom: var(--mc-spacing-md);
    text-align: center;
}

.mc-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--mc-spacing-md);
    margin-bottom: var(--mc-spacing-lg);
}

@media (min-width: 768px) {
    .mc-results-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.mc-result-card {
    background: var(--mc-bg-alt);
    border-radius: var(--mc-radius);
    padding: var(--mc-spacing-md);
    text-align: center;
    border: 1px solid var(--mc-border);
}

.mc-result-primary {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--mc-primary) 0%, var(--mc-primary-dark) 100%);
    color: #fff;
    border: none;
}

@media (min-width: 768px) {
    .mc-result-primary {
        grid-column: span 2;
    }
}

.mc-result-label {
    display: block;
    font-size: 0.875rem;
    color: var(--mc-text-light);
    margin-bottom: 0.25rem;
}

.mc-result-primary .mc-result-label {
    color: rgba(255, 255, 255, 0.85);
}

.mc-result-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mc-text);
    line-height: 1.2;
}

.mc-result-primary .mc-result-value {
    font-size: 2rem;
    color: #fff;
}

.mc-result-sublabel {
    display: block;
    font-size: 0.75rem;
    color: var(--mc-text-muted);
    margin-top: 0.25rem;
}

.mc-result-primary .mc-result-sublabel {
    color: rgba(255, 255, 255, 0.7);
}

/* Payment Breakdown */
.mc-breakdown {
    margin-top: var(--mc-spacing-lg);
    padding-top: var(--mc-spacing-md);
    border-top: 1px solid var(--mc-border);
}

.mc-breakdown-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--mc-spacing-md);
    text-align: center;
}

.mc-breakdown-bar {
    height: 32px;
    background: var(--mc-bg-alt);
    border-radius: var(--mc-radius);
    overflow: hidden;
    display: flex;
    margin-bottom: var(--mc-spacing-md);
}

.mc-breakdown-segment {
    height: 100%;
    transition: width 0.5s ease;
}

.mc-principal {
    background: var(--mc-secondary);
}

.mc-interest {
    background: var(--mc-accent);
}

.mc-breakdown-legend {
    display: flex;
    justify-content: center;
    gap: var(--mc-spacing-lg);
    flex-wrap: wrap;
}

.mc-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mc-legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

.mc-legend-label {
    font-size: 0.9375rem;
}

/* Content Sections */
.mc-content-section {
    margin-bottom: var(--mc-spacing-xxl);
    padding: var(--mc-spacing-xl);
    background: var(--mc-bg);
    border-radius: var(--mc-radius-lg);
    box-shadow: var(--mc-shadow);
}

.mc-content p {
    margin-bottom: var(--mc-spacing-md);
    color: var(--mc-text-light);
    line-height: 1.8;
}

.mc-content ul,
.mc-content ol {
    margin-bottom: var(--mc-spacing-md);
    padding-left: 1.5rem;
}

.mc-content li {
    margin-bottom: 0.5rem;
    color: var(--mc-text-light);
    line-height: 1.7;
}

.mc-content strong {
    color: var(--mc-text);
    font-weight: 600;
}

/* Formula Box */
.mc-formula-box {
    background: var(--mc-bg-alt);
    border-left: 4px solid var(--mc-primary);
    padding: var(--mc-spacing-md);
    margin: var(--mc-spacing-md) 0;
    border-radius: 0 var(--mc-radius) var(--mc-radius) 0;
}

.mc-formula {
    font-family: 'Courier New', monospace;
    font-size: 1.25rem;
    color: var(--mc-text);
    margin: 0;
    text-align: center;
}

/* Amortization Section */
.mc-amortization-container {
    margin-top: var(--mc-spacing-md);
}

.mc-amortization-summary {
    margin-bottom: var(--mc-spacing-md);
}

.mc-amortization-summary p {
    color: var(--mc-text-light);
    line-height: 1.7;
}

/* Tables */
.mc-table-wrapper {
    overflow-x: auto;
    border-radius: var(--mc-radius);
    box-shadow: var(--mc-shadow);
    margin-bottom: var(--mc-spacing-md);
}

.mc-amortization-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--mc-bg);
    font-size: 0.9375rem;
}

.mc-amortization-table th,
.mc-amortization-table td {
    padding: 0.875rem 1rem;
    text-align: right;
    border-bottom: 1px solid var(--mc-border);
}

.mc-amortization-table th:first-child,
.mc-amortization-table td:first-child {
    text-align: left;
}

.mc-amortization-table th {
    background: var(--mc-primary);
    color: #fff;
    font-weight: 600;
    position: sticky;
    top: 0;
}

.mc-amortization-table tbody tr:hover {
    background: var(--mc-bg-alt);
}

.mc-amortization-table tbody tr:nth-child(even) {
    background: var(--mc-bg-alt);
}

.mc-amortization-table tbody tr:nth-child(even):hover {
    background: #e2e8f0;
}

/* Monthly Schedule */
.mc-monthly-schedule {
    margin-top: var(--mc-spacing-md);
}

/* FAQ Section */
.mc-faq {
    display: flex;
    flex-direction: column;
    gap: var(--mc-spacing-md);
}

.mc-faq-item {
    background: var(--mc-bg-alt);
    border-radius: var(--mc-radius);
    padding: var(--mc-spacing-md);
    border: 1px solid var(--mc-border);
}

.mc-faq-question {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--mc-primary);
    margin: 0 0 var(--mc-spacing-sm) 0;
    cursor: pointer;
}

.mc-faq-answer p {
    color: var(--mc-text-light);
    margin: 0;
    line-height: 1.7;
}

/* Footer & Disclaimer */
.mc-footer {
    margin-top: var(--mc-spacing-xl);
}

.mc-disclaimer {
    background: #fffbeb;
    border: 1px solid #fcd34d;
    border-radius: var(--mc-radius);
    padding: var(--mc-spacing-md);
}

.mc-disclaimer-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: var(--mc-spacing-sm);
}

.mc-disclaimer p {
    color: #92400e;
    font-size: 0.875rem;
    line-height: 1.6;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 767px) {
    .mc-container {
        padding: var(--mc-spacing-sm);
    }
    
    .mc-title {
        font-size: 1.875rem;
    }
    
    .mc-intro {
        font-size: 1rem;
    }
    
    .mc-nav {
        position: relative;
        padding: var(--mc-spacing-xs);
    }
    
    .mc-nav-list {
        gap: 0.25rem;
    }
    
    .mc-nav-list a {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .mc-calculator-section,
    .mc-content-section {
        padding: var(--mc-spacing-md);
    }
    
    .mc-section-title {
        font-size: 1.5rem;
    }
    
    .mc-results-grid {
        grid-template-columns: 1fr;
    }
    
    .mc-result-primary {
        grid-column: 1;
    }
    
    .mc-form-actions {
        flex-direction: column;
    }
    
    .mc-input-row {
        flex-direction: column;
    }
    
    .mc-period-select {
        width: 100%;
    }
    
    .mc-amortization-table {
        font-size: 0.875rem;
    }
    
    .mc-amortization-table th,
    .mc-amortization-table td {
        padding: 0.625rem 0.75rem;
    }
}

/* Print Styles */
@media print {
    .mc-nav,
    .mc-form-actions,
    .mc-btn-toggle {
        display: none !important;
    }
    
    .mc-container {
        max-width: 100%;
        padding: 0;
    }
    
    .mc-calculator-section,
    .mc-content-section {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
    
    .mc-results {
        display: block !important;
    }
}

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

/* Focus Visible */
.mc-input:focus-visible,
.mc-select:focus-visible,
.mc-btn:focus-visible,
.mc-nav-list a:focus-visible {
    outline: 3px solid var(--mc-primary);
    outline-offset: 2px;
}

/* Screen Reader Only */
.mc-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .mc-input,
    .mc-select {
        border-width: 3px;
    }
    
    .mc-btn-primary {
        border: 3px solid #000;
    }
}