/* ============================================
   CALCULADORA DE INTERÉS COMPUESTO
   Sistema de Diseño inspirado en Apple
   ============================================ */

/* Variables CSS - Design Tokens */
:root {
    /* Colores */
    --color-bg: #F5F5F7;
    --color-card: #FFFFFF;
    --color-primary: #0071E3;
    --color-primary-hover: #0077ED;
    --color-primary-light: rgba(0, 113, 227, 0.1);
    --color-text-primary: #1D1D1F;
    --color-text-secondary: #6E6E73;
    --color-text-tertiary: #86868B;
    --color-success: #34C759;
    --color-success-light: rgba(52, 199, 89, 0.1);
    --color-purple: #AF52DE;
    --color-purple-light: rgba(175, 82, 222, 0.1);
    --color-border: rgba(0, 0, 0, 0.06);
    --color-input-bg: #F5F5F7;

    /* Sombras */
    --shadow-card: 0 2px 20px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-button: 0 4px 14px rgba(0, 113, 227, 0.4);

    /* Tipografía */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Layout */
    --max-width: 1600px;
    --header-height: 64px;
}

/* ============================================
   ESTILOS BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-size: 17px;
    line-height: 1.47059;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================
   HEADER - Glassmorphism
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    overflow: hidden;
    transition: height 0.3s ease, opacity 0.3s ease;
}

.header-content {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    overflow: hidden;
}

/* Hide header when viewport is too narrow (e.g. high zoom) */
@media (max-width: 320px) {
    .header {
        height: 0;
        opacity: 0;
        pointer-events: none;
        border: none;
    }

    .main {
        padding-top: var(--spacing-lg) !important;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.logo-text {
    font-size: clamp(16px, 3vw, 21px);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

/* Tablet: reduce logo text */
@media (max-width: 768px) {
    .logo-text {
        max-width: 150px;
    }
}

/* Mobile: show only icon, hide text */
@media (max-width: 480px) {
    .logo-text {
        display: none;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
    }
}

/* Very small screens / high zoom: hide more elements */
@media (max-width: 360px) {
    .language-btn .language-current,
    .language-btn .lang-flag {
        display: none;
    }

    .header-content {
        padding: 0 var(--spacing-sm);
    }
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 14px;
    font-weight: var(--font-weight-regular);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
}

/* ============================================
   SELECTOR DE IDIOMA
   ============================================ */
.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

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

.language-icon {
    width: 18px;
    height: 18px;
}

.language-current {
    font-weight: var(--font-weight-semibold);
}

.language-arrow {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.language-btn[aria-expanded="true"] .language-arrow {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 160px;
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1001;
    overflow: hidden;
}

.language-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 14px;
    color: var(--color-text-primary);
    transition: background var(--transition-fast);
    text-align: left;
}

.language-option:hover {
    background: var(--color-input-bg);
}

.language-option.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.lang-name {
    font-weight: var(--font-weight-medium);
}

.lang-code {
    font-size: 12px;
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-semibold);
    margin-left: auto;
}

.language-option.active .lang-code {
    color: var(--color-primary);
}

.lang-flag {
    font-size: 18px;
    line-height: 1;
    margin-right: var(--spacing-xs);
}

.lang-flag-header {
    font-size: 16px;
    margin-right: 4px;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.main {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-xl) var(--spacing-2xl);
    box-sizing: border-box;
    overflow-x: hidden;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    text-align: center;
    padding: var(--spacing-md) 0 var(--spacing-lg);
}

.hero-title {
    font-size: clamp(24px, 5vw, 42px);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    white-space: nowrap;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(14px, 2.5vw, 16px);
    font-weight: var(--font-weight-light);
    color: var(--color-text-secondary);
    max-width: 100%;
    margin: 0 auto;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-lg);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
}

.card-title {
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   SECCIÓN CALCULADORA + RESULTADOS (2 columnas)
   ============================================ */
.calculator-results-section {
    margin-bottom: var(--spacing-2xl);
}

.calculator-results-grid {
    display: grid;
    grid-template-columns: minmax(380px, 440px) 1fr;
    gap: var(--spacing-xl);
    align-items: stretch;
    max-width: 100%;
    overflow: hidden;
}

@media (max-width: 1200px) {
    .calculator-results-grid {
        grid-template-columns: 360px 1fr;
    }
}

@media (max-width: 1024px) {
    .calculator-results-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .calculator-results-grid {
        gap: var(--spacing-md);
    }
}

.calculator-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Input Groups */
.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.input-label {
    display: block;
    font-size: 13px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.input-hint {
    display: block;
    font-size: 12px;
    font-weight: var(--font-weight-regular);
    color: var(--color-text-tertiary);
    margin-top: 2px;
}

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

.input-prefix,
.input-suffix {
    position: absolute;
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-prefix {
    left: 14px;
}

.input-suffix {
    right: 14px;
}

.input-field {
    width: 100%;
    background: var(--color-input-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 12px 14px;
    padding-left: 32px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    outline: none;
    -moz-appearance: textfield;
}

.input-field::-webkit-outer-spin-button,
.input-field::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.input-field:hover {
    background: #EFEFEF;
}

.input-field:focus {
    background: var(--color-card);
    border-color: var(--color-primary);
}

.input-wrapper:has(.input-field:focus) .input-prefix,
.input-wrapper:has(.input-field:focus) .input-suffix {
    color: var(--color-primary);
}

.input-field-suffix {
    padding-left: 14px;
    padding-right: 50px;
}

/* Range Sliders */
.range-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
    margin-top: var(--spacing-sm);
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-card);
    border: none;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
}

.range-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-card);
    border: none;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
    cursor: pointer;
}

/* Select Dropdown */
.select-wrapper {
    position: relative;
}

.select-field {
    width: 100%;
    padding: 12px 40px 12px 14px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    background: var(--color-input-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    transition: all var(--transition-fast);
}

.select-field:hover {
    background: #EFEFEF;
}

.select-field:focus {
    background: var(--color-card);
    border-color: var(--color-primary);
}

.select-arrow {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary);
    pointer-events: none;
}

/* CTA Button */
.cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    height: 52px;
    margin-top: var(--spacing-sm);
    font-family: var(--font-family);
    font-size: 17px;
    font-weight: var(--font-weight-semibold);
    color: white;
    background: linear-gradient(135deg, var(--color-primary) 0%, #0077ED 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-button);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 113, 227, 0.5);
}

.cta-button:active {
    transform: translateY(0);
}

.cta-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.cta-button:hover .cta-icon {
    transform: translateX(4px);
}

/* ============================================
   COLUMNA DE RESULTADOS
   ============================================ */
.results-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    height: 100%;
}

.results-column .chart-card-inline {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.results-column .chart-card-inline .chart-container-donut {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.results-column .section-title {
    font-size: 24px;
    margin-bottom: 0;
    text-align: left;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 100%;
    overflow: hidden;
}

@media (max-width: 640px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
}

.result-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

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

.result-card-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    grid-column: 1 / -1;
    padding: var(--spacing-xl);
}

.result-card-primary .result-content {
    flex: 1;
}

.result-card-primary .result-label,
.result-card-primary .result-value {
    color: white;
}

.result-card-primary .result-value {
    font-size: clamp(24px, 5vw, 36px);
}

.result-card-primary .result-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    width: 52px;
    height: 52px;
}

.result-card-primary .result-icon svg {
    width: 26px;
    height: 26px;
}

.result-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-icon svg {
    width: 22px;
    height: 22px;
}

.result-icon-blue {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.result-icon-green {
    background: var(--color-success-light);
    color: var(--color-success);
}

.result-icon-purple {
    background: var(--color-purple-light);
    color: var(--color-purple);
}

.result-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 0;
}

.result-label {
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.result-value {
    font-size: clamp(20px, 4vw, 26px);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    line-height: 1.1;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Chart card inline con resultados */
.chart-card-inline {
    padding: var(--spacing-lg);
}

.chart-card-inline .chart-container-donut {
    height: 280px;
    max-width: 280px;
}

/* ============================================
   SECCIÓN DE GRÁFICOS
   ============================================ */
.charts-section {
    margin-bottom: var(--spacing-2xl);
    max-width: 100%;
    overflow: hidden;
}

.section-title {
    font-size: clamp(22px, 4vw, 28px);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
    margin-bottom: var(--spacing-lg);
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 100%;
    overflow: hidden;
}

@media (max-width: 900px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    padding: var(--spacing-lg);
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.chart-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.chart-subtitle {
    font-size: 13px;
    font-weight: var(--font-weight-regular);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
}

.chart-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: 320px;
    overflow: hidden;
}

.chart-container canvas {
    max-width: 100% !important;
    height: auto !important;
}

.chart-container-donut {
    height: 280px;
    max-width: min(280px, 100%);
    margin: 0 auto;
    overflow: hidden;
}

/* Mobile adjustments for donut chart */
@media (max-width: 640px) {
    .chart-card-inline {
        padding: var(--spacing-md);
    }

    .chart-card-inline .chart-container-donut {
        height: 220px;
        max-width: 220px;
    }

    .chart-container-donut {
        height: 220px;
        max-width: 220px;
    }

    .results-column .chart-card-inline .chart-container-donut {
        min-height: 200px;
    }
}

@media (max-width: 480px) {
    .chart-card-inline .chart-container-donut,
    .chart-container-donut {
        height: 180px;
        max-width: 180px;
    }

    .chart-title {
        font-size: 16px;
    }

    .chart-subtitle {
        font-size: 12px;
    }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.footer-disclaimer {
    font-size: 12px;
    color: var(--color-text-tertiary);
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.5;
}

.footer-legal {
    font-size: 12px;
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-medium);
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.footer-link {
    font-size: 13px;
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.footer-link:hover {
    opacity: 0.7;
    text-decoration: underline;
}

.footer-separator {
    color: var(--color-text-tertiary);
    font-size: 12px;
}

/* ============================================
   NOSCRIPT FALLBACK
   ============================================ */
.noscript-section {
    max-width: 600px;
    margin: var(--spacing-2xl) auto;
}

.noscript-section code {
    display: block;
    background: var(--color-input-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin: var(--spacing-md) 0;
    font-family: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
}

.noscript-section pre {
    background: var(--color-input-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-family: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 14px;
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-value.animate {
    animation: countUp 0.4s ease-out;
}

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

.result-card {
    animation: fadeInUp 0.5s ease-out backwards;
}

.result-card:nth-child(1) { animation-delay: 0.1s; }
.result-card:nth-child(2) { animation-delay: 0.15s; }
.result-card:nth-child(3) { animation-delay: 0.2s; }
.result-card:nth-child(4) { animation-delay: 0.25s; }

/* ============================================
   AJUSTES RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 20px;
        --spacing-xl: 24px;
        --spacing-2xl: 32px;
        --spacing-3xl: 48px;
    }

    /* Hide hero title/subtitle on mobile for compound interest */
    #compoundTab .hero-title,
    #compoundTab .hero-subtitle {
        display: none;
    }

    #compoundTab .hero {
        padding: 0;
        margin: 0;
    }

    #compoundTab .calculator-results-section {
        margin-top: var(--spacing-sm);
    }

    .hero-title {
        font-size: 28px;
        white-space: normal;
    }

    .hero-subtitle {
        font-size: 14px;
        white-space: normal;
    }

    .language-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .language-btn .language-current {
        display: none;
    }

    .section-title {
        font-size: 24px;
    }

    .result-value {
        font-size: 22px;
    }

    .nav {
        display: none;
    }

    .calculator-card {
        position: static;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 var(--spacing-md);
    }

    .main {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .card {
        padding: var(--spacing-md);
    }

    .result-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .result-card-primary .result-value {
        font-size: 28px;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ESTILOS DE IMPRESIÓN
   ============================================ */
@media print {
    .header,
    .cta-button,
    .range-slider {
        display: none;
    }

    .main {
        padding-top: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ============================================
   COMPOUND INPUT PANEL (Matching Mortgage Style)
   ============================================ */
.compound-input-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

@media (min-width: 1025px) {
    .compound-input-panel {
        position: relative;
        padding-bottom: var(--spacing-lg);
    }
}

@media (max-width: 1024px) {
    .compound-input-panel {
        position: static;
        max-height: none;
        overflow: visible;
    }

    .compound-input-card-body {
        display: flex !important;
        flex-direction: column;
    }

    .compound-input-card.collapsed .compound-input-card-body {
        display: none !important;
    }
}

/* ============================================
   COMPOUND INPUT CARDS (Matching Mortgage Style)
   ============================================ */
.compound-input-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    flex-shrink: 0;
}

.compound-input-card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.compound-input-card-header:hover {
    background: var(--color-input-bg);
}

.compound-input-card-title {
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.compound-input-card-title svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.compound-input-card-toggle {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    background: var(--color-input-bg);
    border-radius: 50%;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.compound-input-card-toggle:hover {
    background: var(--color-border);
}

.compound-input-card-toggle svg {
    width: 16px;
    height: 16px;
}

.compound-input-card.collapsed .compound-input-card-toggle {
    transform: rotate(-90deg);
}

.compound-input-card-body {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    overflow: visible;
}

.compound-input-card.collapsed .compound-input-card-body {
    display: none;
}

/* ============================================
   COMPOUND FORM GROUPS
   ============================================ */
.compound-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.compound-form-label {
    display: block;
    font-size: 13px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   COMPOUND INPUT WRAPPER
   ============================================ */
.compound-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.compound-input-prefix,
.compound-input-suffix {
    position: absolute;
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.compound-input-prefix {
    left: 14px;
}

.compound-input-suffix {
    right: 14px;
}

/* Large input style for main value */
.compound-input-wrapper-large {
    position: relative;
}

.compound-form-input-large {
    font-size: 18px !important;
    font-weight: var(--font-weight-bold) !important;
    padding: 16px 14px !important;
    padding-left: 36px !important;
    letter-spacing: -0.5px;
}

.compound-input-wrapper-large .compound-input-prefix {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
}

/* ============================================
   COMPOUND FORM INPUTS
   ============================================ */
.compound-form-input {
    width: 100%;
    background: var(--color-input-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    outline: none;
    -moz-appearance: textfield;
}

.compound-form-input::-webkit-outer-spin-button,
.compound-form-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.compound-form-input.has-prefix {
    padding-left: 32px;
}

.compound-form-input.has-suffix {
    padding-right: 50px;
}

.compound-form-input:hover {
    background: #EFEFEF;
}

.compound-form-input:focus {
    background: var(--color-card);
    border-color: var(--color-primary);
}

.compound-input-wrapper:has(.compound-form-input:focus) .compound-input-prefix,
.compound-input-wrapper:has(.compound-form-input:focus) .compound-input-suffix {
    color: var(--color-primary);
}

/* ============================================
   COMPOUND FORM SLIDERS
   ============================================ */
.compound-form-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    margin-top: var(--spacing-sm);
}

.compound-form-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-card);
    border: none;
    border-radius: 50%;
    box-shadow: 0 0.5px 4px rgba(0, 0, 0, 0.12), 0 0 0.5px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.compound-form-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
}

.compound-form-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-card);
    border: none;
    border-radius: 50%;
    box-shadow: 0 0.5px 4px rgba(0, 0, 0, 0.12);
    cursor: pointer;
}

/* ============================================
   COMPOUND SELECT WRAPPER
   ============================================ */
.compound-select-wrapper {
    position: relative;
}

.compound-form-select {
    width: 100%;
    padding: 12px 40px 12px 14px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    background: var(--color-input-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    transition: all var(--transition-fast);
}

.compound-form-select:hover {
    background: #EFEFEF;
}

.compound-form-select:focus {
    background: var(--color-card);
    border-color: var(--color-primary);
}

.compound-select-arrow {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary);
    pointer-events: none;
}

/* ============================================
   COMPOUND RESPONSIVE
   ============================================ */
@media (max-width: 480px) {
    .compound-input-panel {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }

    .compound-input-card {
        max-width: 100%;
        border-radius: var(--radius-md);
    }

    .compound-input-card-body {
        padding: var(--spacing-md);
    }

    .compound-input-card-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .compound-form-input-large {
        font-size: 20px !important;
        padding: 14px 12px !important;
        padding-left: 32px !important;
    }

    .compound-input-wrapper-large .compound-input-prefix {
        font-size: 18px;
        left: 12px;
    }
}

@media (max-width: 599px) {
    .compound-input-card-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .compound-input-card-body {
        padding: var(--spacing-md);
    }

    .compound-form-slider::-webkit-slider-thumb {
        width: 24px;
        height: 24px;
    }

    .compound-form-slider::-moz-range-thumb {
        width: 24px;
        height: 24px;
    }
}