/* Core Values Finder - Styles */

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

:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-text: #212529;
    --color-text-muted: #6c757d;
    --color-border: #dee2e6;
    --color-primary: #0d6efd;
    --color-success: #198754;
    --color-info: #0dcaf0;
    --color-warning: #ffc107;
    --color-danger: #dc3545;

    /* Tier colors */
    --color-core: #198754;
    --color-core-light: #d1e7dd;
    --color-supporting: #0dcaf0;
    --color-supporting-light: #cff4fc;
    --color-peripheral: #6c757d;
    --color-peripheral-light: #e9ecef;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.5;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background: var(--color-bg-alt);
}

#app {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--color-bg);
    min-height: 100vh;
}

/* Header */
.header-bar {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.how-it-works {
    margin-top: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 4px;
}

.how-it-works summary {
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    user-select: none;
}

.how-it-works summary::-webkit-details-marker {
    display: none;
}

.explainer {
    margin-top: var(--spacing-md);
    line-height: 1.7;
}

.explainer ol, .explainer ul {
    margin-left: var(--spacing-lg);
}

.explainer li {
    margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-secondary {
    background: white;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

/* Main content */
.main-content {
    padding: var(--spacing-xl) var(--spacing-lg);
}

.section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-border);
}

.section:last-child {
    border-bottom: none;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

/* Progress badge */
.progress-badge {
    background: var(--color-bg-alt);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    font-weight: 600;
}

#selection-count {
    color: var(--color-primary);
    font-size: 1.2rem;
}

.target-hint {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Catalog */
.catalog-controls {
    margin-bottom: var(--spacing-md);
}

#catalog-search {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1rem;
}

#catalog-search:focus {
    outline: 2px solid var(--color-primary);
    border-color: var(--color-primary);
}

.catalog-shortlist-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .catalog-shortlist-container {
        grid-template-columns: 1fr;
    }
}

.catalog-wrapper {
    overflow-x: auto;
}

.catalog-table {
    width: 100%;
    border-collapse: collapse;
}

.catalog-table thead {
    background: var(--color-bg-alt);
    position: sticky;
    top: 0;
    z-index: 10;
}

.catalog-table th,
.catalog-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.catalog-table th {
    font-weight: 600;
}

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

.catalog-table .category-header {
    background: var(--color-bg-alt);
    font-weight: 700;
    color: var(--color-primary);
    position: sticky;
    top: 40px;
    z-index: 9;
}

.catalog-table .add-btn {
    background: var(--color-success);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.catalog-table .add-btn:hover {
    background: #157347;
}

.catalog-table .add-btn:disabled {
    background: var(--color-border);
    cursor: not-allowed;
}

/* Shortlist panel */
.shortlist-panel {
    background: var(--color-bg-alt);
    padding: var(--spacing-md);
    border-radius: 8px;
    height: fit-content;
    position: sticky;
    top: var(--spacing-md);
}

.shortlist-panel h3 {
    margin-bottom: var(--spacing-md);
}

.shortlist {
    list-style: none;
}

.shortlist-item {
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 3px solid var(--color-primary);
}

.shortlist-item .remove-btn {
    background: var(--color-danger);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.shortlist-item .remove-btn:hover {
    background: #c82333;
}

/* Rating table */
.prompt-message {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.rating-table-wrapper.hidden,
.charts-area.hidden,
.summary-cards.hidden {
    display: none;
}

.rating-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.rating-table {
    width: 100%;
    border-collapse: collapse;
}

.rating-table th,
.rating-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.rating-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

.rating-hint {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.rating-row {
    transition: background 0.2s;
}

.rating-row:hover {
    background: var(--color-bg-alt);
}

.rating-inputs {
    display: flex;
    gap: var(--spacing-sm);
}

.rating-radio-group {
    display: flex;
    gap: var(--spacing-xs);
}

.rating-radio-group input[type="radio"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.rating-radio-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

input[type="range"] {
    width: 150px;
}

.tier-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.tier-badge.core {
    background: var(--color-core-light);
    color: var(--color-core);
}

.tier-badge.supporting {
    background: var(--color-supporting-light);
    color: #087990;
}

.tier-badge.peripheral {
    background: var(--color-peripheral-light);
    color: var(--color-peripheral);
}

/* Charts */
.charts-area {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .charts-area {
        grid-template-columns: 1fr;
    }
}

.chart-container {
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.chart-container h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.chart-description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.chart-wrapper {
    position: relative;
    height: 300px;
}

.chart-legend {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.legend-item::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.legend-item.core::before {
    background: var(--color-core);
}

.legend-item.supporting::before {
    background: var(--color-supporting);
}

.legend-item.peripheral::before {
    background: var(--color-peripheral);
}

/* Results */
.export-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.tier-card {
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid;
}

.tier-card h3 {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tier-count {
    background: rgba(0,0,0,0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 12px;
    font-size: 0.9rem;
}

.tier-description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.core-card {
    background: var(--color-core-light);
    border-left-color: var(--color-core);
}

.supporting-card {
    background: var(--color-supporting-light);
    border-left-color: #087990;
}

.peripheral-card {
    background: var(--color-peripheral-light);
    border-left-color: var(--color-peripheral);
}

.values-list {
    list-style: none;
}

.values-list li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: white;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* Footer */
.footer {
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
}

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

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

/* Utility classes */
.hidden {
    display: none !important;
}

/* Print styles */
@media print {
    body {
        background: white;
    }

    .header-actions,
    .catalog-controls,
    .catalog-wrapper,
    .shortlist-panel,
    .rating-controls,
    .export-controls,
    #btn-reset,
    #btn-save,
    #btn-load,
    #btn-print {
        display: none !important;
    }

    .section {
        page-break-inside: avoid;
        border-bottom: 1px solid #ddd;
    }

    .chart-container {
        page-break-inside: avoid;
    }

    .summary-cards {
        page-break-inside: avoid;
    }

    #section-catalog {
        display: none;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast adjustments */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
    }

    .btn {
        border: 2px solid currentColor;
    }
}