:root {
    --primary-color: #2C3E50;
    --secondary-color: #3498DB;
    --accent-color: #E74C3C;
    --background-color: #FFFFFF;
    --text-color: #2C3E50;
    --border-color: #BDC3C7;
    --card-shadow: 0 2px 10px rgba(44, 62, 80, 0.1);
    --border-radius: 8px;
    --padding: 20px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

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

/* Header Styles */
.header {
    background-color: var(--primary-color);
    color: white;
    padding: var(--padding) 0;
    box-shadow: var(--card-shadow);
    position: relative;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--padding);
    position: relative;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.logo h1 a {
    color: white;
    text-decoration: none;
}

.logo p {
    font-size: 0.9rem;
    opacity: 0.95;
}

.nav-menu {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-dropdown {
    position: relative;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 12px 18px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.nav-link:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    min-width: 280px;
    padding: 12px 0;
    border: 1px solid #e9ecef;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border-radius: 0;
}

.dropdown-item:hover {
    background: var(--secondary-color);
    color: white;
}

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.burger-menu:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.burger-menu:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.burger-line {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.burger-menu.active .burger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger-menu.active .burger-line:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--primary-color);
    border-top: 2px solid var(--secondary-color);
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.3);
    z-index: 1000;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
    list-style: none;
}

.mobile-nav-link {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

.mobile-nav-link:hover {
    background-color: var(--secondary-color);
    padding-left: 30px;
}

.mobile-nav-link:focus {
    outline: 2px solid #ffffff;
    outline-offset: -2px;
}

.mobile-dropdown {
    position: relative;
}

.mobile-dropdown-toggle {
    justify-content: space-between;
}

.mobile-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.mobile-dropdown.active .mobile-arrow {
    transform: rotate(180deg);
}

.mobile-dropdown-menu {
    background: rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.mobile-dropdown.active .mobile-dropdown-menu {
    max-height: 500px;
    transition: max-height 0.3s ease-in;
}

.mobile-dropdown-item {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 12px 40px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-dropdown-item:hover {
    background: var(--secondary-color);
    color: white;
    padding-left: 50px;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    margin-bottom: 40px;
}

.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto 30px;
}

.search-input {
    width: 100%;
    padding: 15px 20px;
    font-size: 1.1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 4px 20px rgba(26, 37, 47, 0.2);
}

.search-result-item {
    padding: 16px 18px;
    cursor: pointer;
    border-bottom: 1px solid rgba(26, 37, 47, 0.1);
    transition: var(--transition);
    color: var(--text-color);
}

.search-result-item:hover {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
}

.search-result-item:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: -2px;
    background-color: rgba(52, 152, 219, 0.15);
}

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

.search-result-item strong {
    color: var(--primary-color);
    font-weight: 700;
}

.search-result-item small {
    color: var(--medium-gray);
    font-weight: 500;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.badge {
    background-color: var(--secondary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.quick-access {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.quick-link {
    background-color: var(--accent-color);
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.quick-link:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}

/* Main Content */
.main {
    padding-bottom: 60px;
}

.intro-section {
    margin-bottom: 50px;
    text-align: center;
}

.intro-section h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.intro-content {
    max-width: 1000px;
    margin: 0 auto;
}

.intro-text h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.intro-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.7;
}

.features {
    margin-top: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    text-align: left;
}

.feature-item h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.feature-item ul {
    list-style: none;
}

.feature-item li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

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

/* Calculator Sections */
.calculator-section {
    margin-bottom: 50px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.section-badge {
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.section-badge.popular {
    background-color: var(--accent-color);
    color: white;
}

.section-badge.current {
    background-color: var(--secondary-color);
    color: white;
}

.section-badge.new {
    background-color: #27ae60;
    color: white;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.calculator-card {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.calculator-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(44, 62, 80, 0.15);
}

.calculator-card h3 {
    margin-bottom: 15px;
}

.calculator-card h3 a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.3rem;
}

.calculator-card h3 a:hover {
    color: var(--secondary-color);
}

.calculator-card p {
    color: #666;
    line-height: 1.6;
}

/* FAQ Section */
.faq-section {
    margin-top: 60px;
}

.faq-section h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.faq-item {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.faq-item p {
    line-height: 1.6;
    color: #666;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 60px 0 20px;
    margin-top: 80px;
}

/* Responsive Footer Layout */
.footer-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: 50px;
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
        gap: 60px;
    }
}

@media (min-width: 1200px) {
    .footer-content {
        grid-template-columns: 2fr 1.5fr 1.5fr 1fr;
        gap: 70px;
    }
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #ffffff;
    border-bottom: 3px solid var(--secondary-color);
    padding-bottom: 12px;
    font-weight: 700;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    color: #e8e8e8;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    border-radius: 6px;
}

.footer-links a:hover {
    color: #ffffff;
    background-color: rgba(52, 152, 219, 0.2);
    padding-left: 12px;
    transform: translateX(4px);
}

.footer-links a:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
    color: #ffffff;
}

.footer-links .icon {
    font-size: 1.2rem;
    width: 22px;
    text-align: center;
    opacity: 0.9;
}

.accessibility-controls {
    text-align: center;
}

.accessibility-controls h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    border: none;
    color: white;
}

.accessibility-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.accessibility-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
    font-weight: 500;
}

.accessibility-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.accessibility-btn.active {
    background-color: var(--accent-color);
}

.accessibility-btn.reset {
    background-color: var(--accent-color);
}

.accessibility-btn.reset:hover {
    background-color: #c0392b;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
    text-align: center;
}

.footer-info {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.5;
}

.footer-info p {
    margin-bottom: 10px;
}

/* Burger Menu Responsive Behavior */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .header-content {
        padding-right: 60px; /* Platz für rechtsbündigen Burger-Button */
    }

    .dropdown-menu {
        display: none !important;
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        gap: 15px;
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: 10px 14px;
    }
    
    .dropdown-menu {
        min-width: 240px;
    }
}

/* Mobile-First Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .calculator-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .header-content {
        justify-content: space-between;
        text-align: left;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .hero-section {
        padding: 30px 0;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .search-container {
        margin: 0 auto 20px;
    }

    .search-input {
        padding: 12px 15px;
        font-size: 1rem;
    }

    .quick-access {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .quick-link {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        text-align: center;
        padding: 15px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .calculator-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .calculator-card {
        padding: 20px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .faq-item {
        padding: 20px;
    }

    .intro-section h2 {
        font-size: 1.8rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        text-align: left;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-section h3 {
        font-size: 1.2rem;
    }

    .footer-links a {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header {
        padding: 15px 0;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .logo p {
        font-size: 0.8rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        gap: 10px;
    }

    .nav-link {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .hero-section {
        padding: 20px 0;
    }

    .hero-section h1 {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .hero-section p {
        font-size: 0.95rem;
    }

    .search-input {
        padding: 10px 12px;
        font-size: 0.95rem;
    }

    .search-results {
        font-size: 0.9rem;
    }

    .quick-link {
        padding: 12px;
        font-size: 0.9rem;
    }

    .intro-section h2 {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .calculator-card {
        padding: 15px;
    }

    .calculator-card h3 a {
        font-size: 1.1rem;
    }

    .calculator-card p {
        font-size: 0.9rem;
    }

    .faq-item {
        padding: 15px;
    }

    .faq-item h3 {
        font-size: 1.1rem;
    }

    .faq-item p {
        font-size: 0.9rem;
    }

    .accessibility-buttons {
        gap: 8px;
    }

    .accessibility-btn {
        padding: 6px 8px;
        font-size: 0.8rem;
    }

    .footer {
        padding: 40px 0 15px;
    }

    .footer-section h3 {
        font-size: 1.1rem;
    }

    .footer-info {
        font-size: 0.85rem;
    }
}

/* Touch-friendly improvements for mobile */
@media (max-width: 768px) {
    .calculator-card:hover {
        transform: none;
    }

    .calculator-card:active {
        transform: scale(0.98);
    }

    .nav-link:hover {
        background-color: rgba(52, 152, 219, 0.1);
    }

    .quick-link:hover {
        transform: none;
    }

    .quick-link:active {
        transform: scale(0.95);
    }

    .accessibility-btn:hover {
        transform: none;
    }

    .accessibility-btn:active {
        transform: scale(0.95);
    }

    /* Mobile navigation improvements */
    .header {
        position: sticky;
        top: 0;
        z-index: 100;
    }

    /* Better mobile search */
    .search-input {
        border-radius: 25px;
    }

    .search-results {
        border-radius: 15px;
        margin-top: 5px;
    }

    /* Mobile-optimized footer */
    .footer-content {
        text-align: center;
    }

    .footer-section {
        margin-bottom: 25px;
    }

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

    .footer-links a {
        padding: 8px 0;
        border-radius: 8px;
        transition: background-color 0.2s ease;
    }

    .footer-links a:hover {
        background-color: rgba(52, 152, 219, 0.1);
        padding-left: 0;
    }

    .footer-links a:active {
        background-color: rgba(52, 152, 219, 0.2);
    }
}

/* Ultra-mobile optimizations */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }

    .header {
        padding: 10px 0;
    }

    .logo h1 {
        font-size: 1.3rem;
    }

    .hero-section h1 {
        font-size: 1.6rem;
    }

    .nav-menu {
        gap: 8px;
    }

    .nav-link {
        padding: 5px 8px;
        font-size: 0.8rem;
    }

    .footer-section h3 {
        font-size: 1rem;
    }

    .footer-links a {
        font-size: 0.9rem;
    }

    .accessibility-btn {
        padding: 5px 7px;
        font-size: 0.75rem;
    }
}

/* Enhanced Contrast and Color Improvements */
:root {
    --primary-color: #1a252f;
    --secondary-color: #2980b9;
    --accent-color: #c0392b;
    --background-color: #ffffff;
    --text-color: #1a252f;
    --border-color: #95a5a6;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --error-color: #e74c3c;
    --card-shadow: 0 2px 12px rgba(26, 37, 47, 0.15);
    --border-radius: 8px;
    --padding: 20px;
    --transition: all 0.3s ease;
}

/* Improved color contrasts */
.calculator-card {
    background: var(--background-color);
    border: 2px solid #e9ecef;
    color: var(--text-color);
}

.calculator-card h3 a {
    color: var(--primary-color);
    font-weight: 700;
}

.calculator-card h3 a:hover {
    color: var(--secondary-color);
}

.calculator-card p {
    color: var(--medium-gray);
    font-weight: 500;
}

/* Better button contrasts */
.quick-link {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1f5f8b 100%);
    color: white;
    border: 2px solid var(--secondary-color);
    font-weight: 600;
}

.quick-link:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0f1a24 100%);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

/* Accessibility Styles */
body.high-contrast {
    --primary-color: #000000;
    --secondary-color: #0066ff;
    --accent-color: #ff0000;
    --background-color: #ffffff;
    --text-color: #000000;
    --border-color: #333333;
    --medium-gray: #000000;
}

body.large-font {
    font-size: 18px;
}

body.large-font .search-input {
    font-size: 1.3rem;
}

body.large-font .calculator-card h3 a {
    font-size: 1.5rem;
}

body.reduce-motion * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
}

body.readable-font {
    font-family: 'Georgia', serif;
}

/* Active states for accessibility buttons */
.accessibility-btn.active {
    background-color: var(--accent-color);
}

/* Calculator-specific mobile optimizations */
@media (max-width: 768px) {
    /* Two-column calculator layouts */
    .bmi-calculator,
    .salary-calculator,
    .interest-calculator,
    .mortgage-calculator,
    .rent-calculator,
    .calorie-calculator,
    .body-fat-calculator,
    .iban-calculator,
    .tip-calculator,
    .electricity-calculator {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
        max-width: 100% !important;
        margin: 20px auto !important;
    }

    /* Input panels on mobile */
    .input-panel {
        position: static !important;
        top: auto !important;
        margin-bottom: 20px;
        padding: 20px;
    }

    /* Results panels on mobile */
    .results-panel {
        padding: 20px;
    }

    /* Form elements optimization */
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px !important; /* Prevents zoom on iOS */
        padding: 12px;
    }

    /* Button optimizations */
    .calculate-btn,
    .unit-btn,
    .mode-btn {
        min-height: 44px; /* Touch-friendly minimum */
        font-size: 1rem;
        padding: 12px 20px;
    }

    /* Toggle button groups */
    .unit-toggle,
    .mode-toggle {
        gap: 10px;
    }

    /* Result displays */
    .result-display,
    .bmi-display,
    .salary-display,
    .iban-display {
        font-size: 1.5rem !important;
        padding: 15px;
        margin: 15px 0;
    }

    /* Chart and graph containers */
    .chart-container,
    .breakdown-chart {
        overflow-x: auto;
        margin: 10px 0;
    }

    /* History and additional info sections */
    .history-panel,
    .additional-info {
        margin-top: 20px;
    }

    .history-item {
        padding: 10px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    /* Extra small screens */
    .input-panel,
    .results-panel {
        padding: 15px;
        margin: 10px auto;
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .calculate-btn {
        width: 100%;
        font-size: 1.1rem;
        padding: 15px;
    }

    /* Smaller result displays for very small screens */
    .result-display,
    .bmi-display,
    .salary-display,
    .iban-display {
        font-size: 1.3rem !important;
        padding: 12px;
    }

    /* Compact breakdown displays */
    .breakdown-item,
    .info-item {
        padding: 8px 0;
        font-size: 0.9rem;
    }

    /* Responsive tables */
    .breakdown-table,
    .results-table {
        font-size: 0.85rem;
    }

    .breakdown-table td,
    .breakdown-table th {
        padding: 8px 4px;
    }
}