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

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-success: #16a34a;
    --color-background: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-highlight: #dbeafe;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 8px;
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

header p {
    color: var(--color-text-muted);
}

/* Header top row */
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Language selector */
.language-selector {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
    flex: 1;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-muted);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-highlight);
}

.lang-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Ko-fi button styles */
.kofi-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    background-color: #ff5e5b;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.kofi-btn:hover {
    background-color: #e54542;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 94, 91, 0.3);
}

.kofi-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.kofi-header {
    flex-shrink: 0;
}

/* Ko-fi in modal */
.kofi-modal-cta {
    margin-top: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
    border-radius: var(--radius);
    text-align: center;
}

.kofi-modal-cta p {
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.kofi-modal-btn {
    display: inline-flex;
}

/* Boletines Oficiales section in modal */
.boletines-section {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.boletines-section h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.boletines-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem 1rem;
}

.boletines-grid a {
    font-size: 0.8125rem;
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
}

.boletines-grid a:hover {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .boletines-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 400px) {
    .boletines-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer donate link */
.footer-donate {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-donate a {
    color: #ff5e5b;
    text-decoration: none;
    font-weight: 500;
}

.footer-donate a:hover {
    text-decoration: underline;
}

.footer-credit {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer-credit a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.footer-credit a:hover {
    text-decoration: underline;
}

/* RTL support */
html[dir="rtl"] {
    direction: rtl;
}

html[dir="rtl"] .form-row {
    flex-direction: row-reverse;
}

html[dir="rtl"] .result-row {
    flex-direction: row-reverse;
}

html[dir="rtl"] .comparison-content {
    direction: rtl;
}

html[dir="rtl"] .convenio-missing-link {
    flex-direction: row-reverse;
}

html[dir="rtl"] .convenio-info-row {
    flex-direction: row-reverse;
}

html[dir="rtl"] .market-rate-header {
    flex-direction: row-reverse;
}

/* Form sections */
.form-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.form-section h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
}

/* Side by side form sections */
.form-section-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-section-row .form-section {
    margin-bottom: 0;
}

/* Section header with help button */
.section-header-with-help {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
}

.section-header-with-help h2 {
    flex: 1;
}

.help-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 5px 16px;
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
    background-color: var(--color-text-muted);
    border-radius: 50%;
    transition: background-color 0.2s;
}

.help-icon-btn:hover .help-icon {
    background-color: var(--color-primary);
}

.form-hint {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--color-text);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-surface);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-highlight);
}

.form-group input[type="number"] {
    -moz-appearance: textfield;
}

.form-group input[type="number"]::-webkit-inner-spin-button,
.form-group input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
    min-width: 0;
}

.form-row .form-group-grow {
    flex: 2;
}

.form-row .form-group-shrink {
    flex: 0 0 auto;
    min-width: 120px;
}

.form-row-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.form-row-4col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.form-row-no-margin .form-group {
    margin-bottom: 0;
}

/* Calculate button */
.btn-calculate {
    display: block;
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

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

.btn-calculate:active {
    transform: scale(0.98);
}

/* Results section */
.results-section {
    margin-top: 2rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.results-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.btn-print {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-print:hover {
    background: var(--color-highlight);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-print svg {
    flex-shrink: 0;
}

/* Print header - hidden on screen */
.print-header {
    display: none;
}

.results-section.hidden {
    display: none;
}

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

@media (min-width: 640px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.result-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.result-card.highlight {
    border-color: var(--color-success);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.result-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--color-border);
}

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

.result-row.total {
    font-weight: 600;
    border-top: 2px solid var(--color-border);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
}

.result-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.result-card.highlight .result-value {
    color: var(--color-success);
    font-size: 1.125rem;
}

/* In Simpler Terms card */
.result-card.highlight-simple {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.result-card.highlight-simple h3 {
    color: var(--color-primary);
}

.result-card.highlight-simple .result-value {
    color: var(--color-primary);
}

/* Convenio info section */
.convenio-info {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--color-highlight);
    border-radius: var(--radius);
}

.convenio-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.convenio-info p {
    margin: 0;
    font-size: 0.9375rem;
}

.convenio-info strong {
    color: var(--color-primary);
    font-size: 1.125rem;
}

/* Market rate info */
.market-rate-info {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--color-border);
}

.market-rate-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.market-rate-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.market-rate-value {
    font-weight: 600;
    color: var(--color-success);
    font-size: 1rem;
}

.market-rate-roles {
    margin-top: 0.5rem;
}

.market-rate-role-tag {
    display: inline-block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    margin: 0.25rem 0.25rem 0.25rem 0;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.market-rate-disclaimer {
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
    line-height: 1.4;
}

.market-rate-no-data {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Convenio notice/warning */
.convenio-notice {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: var(--radius);
    border-left: 4px solid #f59e0b;
}

.convenio-notice p {
    margin: 0;
    font-size: 0.8125rem;
    color: #92400e;
    line-height: 1.5;
}

.convenio-notice.hidden {
    display: none;
}

.hidden {
    display: none !important;
}

.btn-secondary {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
}

/* Convenio comparison section */
.convenio-comparison {
    background: var(--color-surface);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.convenio-comparison h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.comparison-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

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

.comparison-item {
    text-align: center;
    padding: 0.75rem;
    background: var(--color-background);
    border-radius: var(--radius);
}

.comparison-item span:first-child {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.comparison-value {
    font-size: 1.125rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.comparison-diff .comparison-value.positive {
    color: var(--color-success);
}

.comparison-diff .comparison-value.negative {
    color: #dc2626;
}

.comparison-diff .comparison-value.neutral {
    color: var(--color-text-muted);
}

/* Convenio missing link */
.convenio-missing-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.25rem;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
    color: var(--color-primary);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.2s;
}

.convenio-missing-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.convenio-missing-link strong {
    font-weight: 600;
}

.convenio-missing-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.125rem;
    height: 1.125rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    background-color: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
    transition: background-color 0.2s;
}

.convenio-missing-link:hover .convenio-missing-icon {
    background-color: var(--color-primary-dark);
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.modal-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.modal-content p {
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.modal-content p:last-of-type {
    margin-bottom: 1.5rem;
}

.modal-content a {
    color: var(--color-primary);
    text-decoration: none;
}

.modal-content a:hover {
    text-decoration: underline;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2rem;
    height: 2rem;
    border: none;
    background: none;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.modal-close:hover {
    background-color: var(--color-background);
    color: var(--color-text);
}

.btn-modal-close {
    display: block;
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: white;
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-modal-close:hover {
    background-color: var(--color-primary-dark);
}

/* Footer */
footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

footer p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .header-top {
        flex-direction: column;
        align-items: center;
    }

    .kofi-header {
        order: -1;
        margin-bottom: 0.75rem;
    }

    .form-row {
        flex-direction: column;
    }

    .form-row .form-group-shrink {
        min-width: 100%;
    }

    .form-row-3col,
    .form-row-4col {
        grid-template-columns: 1fr;
    }

    .form-section-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }

    .form-section {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }
}

/* Print styles */
@media print {
    /* Reset page */
    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    @page {
        size: A4;
        margin: 1.5cm;
    }

    body {
        background: white !important;
        font-size: 11pt;
        line-height: 1.4;
    }

    /* Hide everything except results */
    header,
    main > form,
    footer,
    .modal,
    .btn-print,
    .results-header {
        display: none !important;
    }

    /* Show and style the results section */
    .results-section {
        display: block !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .results-section.hidden {
        display: block !important;
    }

    /* Show print header */
    .print-header {
        display: block !important;
        text-align: center;
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
        border-bottom: 2px solid #333;
    }

    .print-header h1 {
        font-size: 18pt;
        font-weight: 700;
        margin: 0 0 0.25rem 0;
        color: #333;
    }

    .print-header .print-date {
        font-size: 10pt;
        color: #666;
        margin: 0;
    }

    /* Container adjustments */
    .container {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    /* Convenio comparison */
    .convenio-comparison {
        background: #f8f9fa !important;
        border: 1px solid #dee2e6 !important;
        border-radius: 4px;
        padding: 0.75rem !important;
        margin-bottom: 1rem !important;
        page-break-inside: avoid;
    }

    .convenio-comparison h3 {
        font-size: 11pt;
        margin-bottom: 0.5rem;
    }

    .comparison-content {
        gap: 0.5rem;
    }

    .comparison-item {
        padding: 0.25rem 0.5rem;
        font-size: 10pt;
    }

    /* Results grid - 2 columns for print */
    .results-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }

    /* Result cards */
    .result-card {
        background: white !important;
        border: 1px solid #dee2e6 !important;
        border-radius: 4px;
        padding: 0.75rem !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }

    .result-card.highlight {
        background: #f0fdf4 !important;
        border-color: #22c55e !important;
    }

    .result-card.highlight-simple {
        background: #eff6ff !important;
        border-color: #3b82f6 !important;
    }

    .result-card h3 {
        font-size: 10pt;
        margin-bottom: 0.5rem;
        padding-bottom: 0.25rem;
        border-bottom: 1px solid #eee;
    }

    .result-card.highlight h3 {
        color: #16a34a !important;
    }

    .result-card.highlight-simple h3 {
        color: #2563eb !important;
    }

    .result-row {
        padding: 0.2rem 0;
        font-size: 9pt;
        border-bottom: 1px dotted #eee;
    }

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

    .result-row.total {
        font-weight: 600;
        border-top: 1px solid #ccc;
        margin-top: 0.25rem;
        padding-top: 0.35rem;
    }

    .result-value {
        font-weight: 600;
    }

    .result-card.highlight .result-value {
        color: #16a34a !important;
    }

    .result-card.highlight-simple .result-value {
        color: #2563eb !important;
    }

    /* Comparison values */
    .comparison-value.positive {
        color: #16a34a !important;
    }

    .comparison-value.negative {
        color: #dc2626 !important;
    }

    /* Print footer */
    .results-section::after {
        content: "Calculadora de Salarios - lareira.digital";
        display: block;
        text-align: center;
        font-size: 8pt;
        color: #999;
        margin-top: 1.5rem;
        padding-top: 0.75rem;
        border-top: 1px solid #eee;
    }
}