/**
 * European Salary Calculator - Styles
 * Modern design with charts, tables, language selector and search
 */

/* CSS Variables */
:root {
    --color-bg: #fafafa;
    --color-bg-dark: #141414;
    --color-bg-card: #ffffff;
    --color-bg-muted: #f4f4f5;
    --color-accent: #c1f11d;
    --color-accent-hover: #d4ff3a;
    --color-accent-dark: #a8d619;
    --color-text: #18181b;
    --color-text-white: #ffffff;
    --color-text-secondary: #71717a;
    --color-text-muted: #a1a1aa;
    --color-border: #e4e4e7;
    --color-border-dark: rgba(255, 255, 255, 0.1);
    --color-success: #22c55e;
    --color-danger: #ef4444;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.2s ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ==================== HEADER ==================== */

.header {
    background: var(--color-bg-dark);
    border-bottom: 1px solid var(--color-border-dark);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-bg-dark);
}

.logo-icon.small {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

.logo-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-white);
}

.logo-text-group {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.tax-year-small {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Back Button */
.back-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-text-white);
    font-size: 0.875rem;
    transition: var(--transition);
    cursor: pointer;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-accent);
}

.back-text {
    display: none;
}

@media (min-width: 640px) {
    .back-text {
        display: inline;
    }
}

/* ==================== LANGUAGE SELECTOR ==================== */

.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.language-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.current-lang-flag {
    font-size: 1.25rem;
}

.dropdown-arrow {
    color: var(--color-text-white);
    transition: transform 0.2s;
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    max-height: 300px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

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

.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

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

.language-option.active {
    background: var(--color-accent);
    color: var(--color-bg-dark);
}

.lang-flag {
    font-size: 1.25rem;
}

.lang-name {
    font-size: 0.875rem;
    font-weight: 500;
}

/* ==================== SEARCH ==================== */

.search-container {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-input-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    background: var(--color-bg-card);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(193, 241, 29, 0.2);
}

/* ==================== PAGE TITLE ==================== */

.page-title-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem 0;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.country-flag-title {
    font-size: 2rem;
}

.page-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* ==================== MAIN CONTENT ==================== */

.main-content,
.calculator-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ==================== CALCULATOR GRID ==================== */

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .calculator-grid {
        grid-template-columns: minmax(350px, 400px) 1fr;
    }
}

/* ==================== CARDS ==================== */

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

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.card-header h2,
.card-header h3,
.card-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.card-header-icon {
    color: var(--color-accent);
}

.card-body {
    padding: 1.5rem;
}

.dark-header {
    background: var(--color-bg-dark);
    border-bottom: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-white);
}

.dark-header span {
    font-size: 0.875rem;
}

.header-net {
    font-size: 1.25rem !important;
    font-weight: 700;
    color: var(--color-accent) !important;
}

/* ==================== FORM STYLES ==================== */

.salary-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group.half {
    width: 100%;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.input-with-currency {
    position: relative;
}

.currency-prefix {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.input-with-currency input {
    padding-left: 2.5rem;
}

input[type="number"],
input[type="text"],
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: 0.9375rem;
    background: var(--color-bg-card);
    transition: var(--transition);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(193, 241, 29, 0.2);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--color-accent);
}

.calculate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-bg-dark);
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.calculate-btn:hover {
    background: var(--color-accent-hover);
}

/* ==================== SUMMARY CARDS ==================== */

.summary-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.summary-card {
    padding: 1.25rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.summary-card.net-card {
    background: var(--color-accent);
}

.summary-card.employer-card {
    background: var(--color-bg-dark);
}

.net-card .summary-icon {
    color: var(--color-bg-dark);
}

.employer-card .summary-icon {
    color: var(--color-accent);
}

.summary-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.summary-label {
    font-size: 0.8125rem;
    font-weight: 500;
}

.net-card .summary-label {
    color: var(--color-bg-dark);
}

.employer-card .summary-label {
    color: var(--color-text-white);
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.net-card .summary-value {
    color: var(--color-bg-dark);
}

.employer-card .summary-value {
    color: var(--color-text-white);
}

.summary-sub {
    font-size: 0.75rem;
    opacity: 0.7;
}

.net-card .summary-sub {
    color: var(--color-bg-dark);
}

.employer-card .summary-sub {
    color: var(--color-text-white);
}

/* ==================== CHARTS ==================== */

.chart-card {
    margin-bottom: 1.5rem;
}

.chart-container {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.chart-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.chart-center-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.chart-center-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.legend-label {
    color: var(--color-text-secondary);
}

.legend-value {
    font-weight: 600;
    color: var(--color-text);
}

/* Bar Chart */
.bar-chart-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bar-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    align-items: center;
    gap: 1rem;
}

.bar-label {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    text-align: right;
}

.bar-wrapper {
    height: 32px;
    background: var(--color-bg-muted);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.bar {
    height: 100%;
    border-radius: var(--border-radius-sm);
    transition: width 0.5s ease;
}

.bar-gross {
    background: var(--color-bg-dark);
}

.bar-net {
    background: var(--color-accent);
}

.bar-employer {
    background: #3d3d3d;
}

.bar-value {
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 80px;
    text-align: right;
}

/* ==================== BREAKDOWN ==================== */

.breakdown-card {
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.breakdown-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.breakdown-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.breakdown-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.breakdown-value {
    font-size: 0.875rem;
    font-weight: 500;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
}

.breakdown-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--color-border);
    font-weight: 600;
}

.breakdown-total.highlight span:last-child {
    color: var(--color-accent);
    font-size: 1.125rem;
}

/* ==================== ANNUAL CARD ==================== */

.annual-card {
    background: var(--color-bg-dark);
    margin-bottom: 1.5rem;
}

.annual-content {
    padding: 2rem;
    text-align: center;
}

.annual-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.annual-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.annual-sub {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==================== TABLE ==================== */

.table-card {
    margin-bottom: 1.5rem;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th,
.data-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background: var(--color-bg-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
}

.data-table tbody tr:hover {
    background: var(--color-bg-muted);
}

.data-table .deduction-cell {
    color: var(--color-danger);
}

.data-table .net-cell {
    font-weight: 600;
    color: var(--color-success);
}

.data-table .total-row td {
    background: var(--color-bg-dark);
    color: var(--color-text-white);
    border-bottom: none;
}

.data-table .total-row .net-cell {
    color: var(--color-accent);
}

/* ==================== INFO SECTION ==================== */

.info-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.info-card .card-body {
    padding: 1.25rem 1.5rem;
}

.info-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Tax Brackets */
.tax-brackets-card {
    margin-bottom: 1.5rem;
}

.tax-brackets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.tax-bracket-card {
    background: var(--color-bg-muted);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    text-align: center;
}

.bracket-rate {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-bg-dark);
    margin-bottom: 0.25rem;
}

.bracket-range {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* ==================== COUNTRY FLAGS GRID ==================== */

.countries-section {
    padding: 2rem 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-title-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

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

.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.country-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-decoration: none;
}

.country-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.country-flag {
    font-size: 2rem;
    line-height: 1;
}

.country-info {
    flex: 1;
    min-width: 0;
}

.country-name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.country-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.country-currency {
    font-weight: 500;
}

.country-arrow {
    color: var(--color-text-muted);
    transition: var(--transition);
}

.country-card:hover .country-arrow {
    color: var(--color-accent);
    transform: translateX(4px);
}

/* No results */
.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-secondary);
}

.no-results-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ==================== FOOTER ==================== */

.footer {
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border-dark);
    margin-top: 3rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.footer-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border-dark);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-white);
    font-weight: 600;
}

.footer-disclaimer {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 1.5rem;
    text-align: center;
}

.footer-copyright {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 640px) {
    .header-content {
        flex-wrap: wrap;
    }
    
    .summary-cards {
        grid-template-columns: 1fr;
    }
    
    .summary-value {
        font-size: 1.25rem;
    }
    
    .annual-value {
        font-size: 2rem;
    }
    
    .bar-item {
        grid-template-columns: 80px 1fr auto;
    }
    
    .bar-label {
        font-size: 0.75rem;
    }
    
    .page-title {
        font-size: 1.25rem;
    }
    
    .country-flag-title {
        font-size: 1.5rem;
    }
}