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

:root {
    --color-text: #1a1a1a;
    --color-text-muted: #666;
    --color-bg: #fff;
    --color-border: #e0e0e0;
    --color-accent: #2563eb;
    --color-positive: #16a34a;
    --color-negative: #dc2626;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --max-width: 800px;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
header {
    padding: 1rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

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

/* Main content */
main {
    flex: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
}

/* Search View */
#search-view {
    text-align: center;
    padding-top: 4rem;
}

#search-view h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* Search box */
.search-container {
    position: relative;
    max-width: 400px;
    margin: 0 auto 1.5rem;
}

#county-search {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s;
}

#county-search:focus {
    border-color: var(--color-accent);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-top: 4px;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 100;
}

.search-results.active {
    display: block;
}

.search-result-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--color-border);
}

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

.search-result-item:hover,
.search-result-item.selected {
    background: #f5f5f5;
}

/* Featured counties */
.featured {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.featured span {
    margin-right: 0.5rem;
}

.featured-county {
    background: none;
    border: 1px solid var(--color-border);
    padding: 0.4rem 0.75rem;
    margin: 0.25rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text);
    transition: all 0.2s;
}

.featured-county:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Results View */
#results-view h1 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.back-btn {
    background: none;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0;
    margin-bottom: 1.5rem;
}

.back-btn:hover {
    text-decoration: underline;
}

.data-year {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Summary box */
.summary-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 1.5rem;
    background: #f9fafb;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
}

.stat-value.positive {
    color: var(--color-positive);
}

.stat-value.negative {
    color: var(--color-negative);
}

/* Flow tables */
.flow-tables {
    display: grid;
    gap: 2rem;
}

.flow-section h2 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

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

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

th, td {
    padding: 0.75rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    font-weight: 500;
}

th:first-child {
    width: 2rem;
}

td:first-child {
    color: var(--color-text-muted);
}

.county-link {
    cursor: pointer;
}

.county-link:hover {
    color: var(--color-accent);
}

/* Notice */
.notice {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-top: 2rem;
}

/* Methodology */
.methodology {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.methodology h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.methodology p,
.methodology ul {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.methodology ul {
    margin-top: 0.75rem;
    padding-left: 1.5rem;
}

.methodology li {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

footer p {
    margin: 0.25rem 0;
}

/* Loading state */
.loading {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--color-text-muted);
    z-index: 1000;
}

.loading.hidden {
    display: none;
}

/* Mobile responsive */
@media (max-width: 600px) {
    main {
        padding: 1rem;
    }

    #search-view {
        padding-top: 2rem;
    }

    #search-view h1 {
        font-size: 1.75rem;
    }

    .summary-box {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .stat-value {
        font-size: 1.25rem;
    }

    table {
        font-size: 0.875rem;
    }

    th, td {
        padding: 0.5rem 0.25rem;
    }
}