:root {
    --bg-page: #f8f9fa;
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --bg-subtle: #f1f3f5;
    --border-light: #e9ecef;
    --border-medium: #dee2e6;

    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #868e96;
    --text-light: #adb5bd;

    --data-blue: #4a7cb5;
    --data-blue-light: #a8c5e2;
    --data-orange: #e67e33;
    --data-orange-light: #f5c49b;
    --data-teal: #3d9e8e;
    --data-teal-light: #9dd4c9;
    --data-rose: #c75b6a;
    --data-rose-light: #e8b4bb;
    --data-amber: #d4942a;

    --color-formal: var(--data-teal);
    --color-desempleo-encubierto: var(--data-orange);
    --color-unemployed: var(--data-rose);
    --color-total: var(--data-blue);

    --font-display: 'Assistant', sans-serif;
    --font-data: 'Lato', sans-serif;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-data);
    background: var(--bg-page);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
}

/* Typography hierarchy */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

/* Header */
header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--text-primary);
}

.header-subtitle {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Main Content */
main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem;
    flex: 1;
    width: 100%;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

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

/* Upload Section */
.section-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.section-title svg {
    color: var(--data-blue);
    width: 20px;
    height: 20px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.upload-item {
    background: var(--bg-subtle);
    border: 1px dashed var(--border-medium);
    border-radius: 8px;
    padding: 1rem;
    transition: all 0.2s ease;
}

.upload-item:hover {
    border-color: var(--data-blue);
    background: #f4f8fc;
}

.upload-label {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: block;
}

.upload-label .required {
    color: var(--data-rose);
}

input[type="file"] {
    width: 100%;
    font-size: 0.8125rem;
    font-family: var(--font-data);
    color: var(--text-secondary);
}

input[type="file"]::file-selector-button {
    background: var(--data-blue);
    color: white;
    border: none;
    padding: 0.5rem 0.875rem;
    border-radius: 6px;
    font-weight: 600;
    font-family: var(--font-data);
    cursor: pointer;
    margin-right: 0.625rem;
    transition: background 0.2s ease;
}

input[type="file"]::file-selector-button:hover {
    background: #3d6a9e;
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

/* Config Panel */
.config-panel {
    background: linear-gradient(135deg, #fef9f3 0%, #fff8f0 100%);
    border: 1px solid #f5e6d3;
    border-left: 3px solid var(--data-orange);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .config-panel {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.config-label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 600;
    color: #9a6b35;
    margin-bottom: 0.5rem;
}

.config-label svg {
    width: 15px;
    height: 15px;
}

.wage-input-wrapper {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid #e8d5c0;
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    max-width: 200px;
}

.wage-prefix {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-right: 0.375rem;
}

.wage-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-data);
    width: 100%;
    outline: none;
}

.config-hint {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

/* Toggle Switch */
.toggle-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding-left: 1.25rem;
    border-left: 1px solid #e8d5c0;
}

@media (max-width: 768px) {
    .toggle-wrapper {
        padding-left: 0;
        border-left: none;
        padding-top: 1rem;
        border-top: 1px solid #e8d5c0;
    }
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border-medium);
    border-radius: 24px;
    transition: 0.2s;
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.2s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked+.toggle-slider {
    background: var(--data-blue);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(20px);
}

.toggle-label-text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    color: var(--text-primary);
}

.toggle-desc {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
    line-height: 1.4;
}

/* Error Box */
.error-box {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 3px solid var(--data-rose);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.25rem;
    display: none;
}

.error-box.visible {
    display: block;
}

.error-title {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--data-rose);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
}

.error-title svg {
    width: 16px;
    height: 16px;
}

.error-msg {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.debug-info {
    font-family: monospace;
    font-size: 0.6875rem;
    background: #fee2e2;
    padding: 0.625rem;
    border-radius: 4px;
    margin-top: 0.625rem;
    color: var(--text-secondary);
    display: none;
}

.debug-info.visible {
    display: block;
}

/* Action Button */
.action-bar {
    display: flex;
    justify-content: flex-end;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--data-blue);
    color: white;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9375rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(74, 124, 181, 0.25);
}

.btn-primary:hover {
    background: #3d6a9e;
    box-shadow: 0 4px 12px rgba(74, 124, 181, 0.35);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-primary svg {
    width: 18px;
    height: 18px;
}

.loader {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: none;
}

.loader.visible {
    display: block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Dashboard */
#dashboard {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

#dashboard.visible {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.dashboard-title {
    font-size: 1.5rem;
    font-weight: 800;
}

.dashboard-subtitle {
    color: var(--text-muted);
    font-size: 0.8125rem;
    margin-top: 0.125rem;
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 1.25rem;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    border-radius: 10px 0 0 10px;
}

.kpi-card.blue::before {
    background: var(--data-blue);
}

.kpi-card.teal::before {
    background: var(--data-teal);
}

.kpi-card.orange::before {
    background: var(--data-orange);
}

.kpi-card.rose::before {
    background: var(--data-rose);
}

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

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.kpi-label {
    font-family: var(--font-data);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.kpi-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpi-icon svg {
    width: 18px;
    height: 18px;
}

.kpi-card.blue .kpi-icon {
    background: #e8f1f8;
    color: var(--data-blue);
}

.kpi-card.teal .kpi-icon {
    background: #e6f5f2;
    color: var(--data-teal);
}

.kpi-card.orange .kpi-icon {
    background: #fef3e8;
    color: var(--data-orange);
}

.kpi-card.rose .kpi-icon {
    background: #fceef0;
    color: var(--data-rose);
}

.kpi-value {
    font-family: var(--font-data);
    font-size: 1.875rem;
    font-weight: 900;
    margin-top: 0.375rem;
    letter-spacing: -0.02em;
}

.kpi-card.blue .kpi-value {
    color: var(--data-blue);
}

.kpi-card.teal .kpi-value {
    color: var(--data-teal);
}

.kpi-card.orange .kpi-value {
    color: var(--data-orange);
}

.kpi-card.rose .kpi-value {
    color: var(--data-rose);
}

.kpi-footnote {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

/* Exclusion Note */
.exclusion-note {
    background: var(--bg-subtle);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 0.625rem 0.875rem;
    margin-bottom: 1.25rem;
    display: none;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.exclusion-note.visible {
    display: flex;
}

.exclusion-note svg {
    color: var(--data-orange);
    width: 14px;
    height: 14px;
}

/* Chart Grid */
.charts-grid {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.charts-grid.two-col {
    grid-template-columns: repeat(2, 1fr);
}

.charts-grid.three-col {
    grid-template-columns: 2fr 1fr;
}

@media (max-width: 900px) {

    .charts-grid.two-col,
    .charts-grid.three-col {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.875rem;
}

.chart-title {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 700;
}

.chart-header svg {
    color: var(--text-light);
    width: 16px;
    height: 16px;
}

.chart-container {
    width: 100%;
    height: 300px;
}

.chart-footnote {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.75rem;
}

/* Footer */
footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    padding: 2rem 1.5rem;
    text-align: center;
    margin-top: auto;
}

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

.footer-version {
    color: var(--text-light);
    font-size: 0.6875rem;
    margin-top: 0.375rem;
}

/* Spacing utilities */
.mb-6 {
    margin-bottom: 1.5rem;
}