/* Color scheme with light/dark mode */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f5f5f5;
    --color-text: #333333;
    --color-text-muted: #666666;
    --color-link: #0066cc;
    --color-link-hover: #004499;
    --color-border: #dddddd;
    --color-accent: #0066cc;
    --color-accent-bg: #e6f0ff;
    --color-success: #228b22;
    --color-error: #cc3300;
    --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, "Cascadia Code", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1a1a1a;
        --color-bg-alt: #252525;
        --color-text: #e0e0e0;
        --color-text-muted: #999999;
        --color-link: #66b3ff;
        --color-link-hover: #99ccff;
        --color-border: #404040;
        --color-accent: #66b3ff;
        --color-accent-bg: #1a2d4a;
        --color-success: #66cc66;
        --color-error: #ff6666;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.header-title {
    flex: 1;
}

.header-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.header-nav a {
    color: var(--color-link);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.header-nav a:hover {
    color: var(--color-link-hover);
    background-color: var(--color-accent-bg);
    border-color: var(--color-accent);
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.category {
    margin-bottom: 2rem;
}

.category-header {
    background-color: var(--color-bg-alt);
    padding: 0.75rem 1rem;
    border-radius: 6px 6px 0 0;
    border: 1px solid var(--color-border);
    border-bottom: none;
}

.category-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.category-header-text {
    flex: 1;
}

.category-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.category-header p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.category-nav {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.category-nav a {
    color: var(--color-link);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    background-color: var(--color-bg);
    transition: all 0.15s ease;
    white-space: nowrap;
}

.category-nav a:hover {
    color: var(--color-link-hover);
    background-color: var(--color-accent-bg);
    border-color: var(--color-accent);
}

.source-list {
    border: 1px solid var(--color-border);
    border-radius: 0 0 6px 6px;
}

.source {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
    align-items: center;
}

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

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

.source-name {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.healthy {
    background-color: var(--color-accent);
}

.status-dot.stale {
    background-color: #FFB81C;
}

.source-path {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.source-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.source-links a {
    color: var(--color-link);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all 0.15s ease;
}

.source-links a:hover {
    color: var(--color-link-hover);
    background-color: var(--color-accent-bg);
    border-color: var(--color-accent);
}

.source-links .primary {
    background-color: var(--color-accent-bg);
    border-color: var(--color-accent);
}

.compression-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    opacity: 0.8;
}

.refresh-interval {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background-color: var(--color-bg-alt);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    margin-left: 0.5rem;
}

footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

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

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

.legal-links {
    margin-top: 0.5rem;
    font-size: 0.8rem;
}

/* Legal page content */
.legal-content {
    max-width: 800px;
}

.legal-content h2 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--color-border);
}

.legal-content h2:first-of-type {
    margin-top: 1.5rem;
}

.legal-content p {
    margin-bottom: 1rem;
}

.legal-content ul {
    margin-bottom: 1rem;
    margin-left: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.effective-date {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

footer code {
    font-family: var(--font-mono);
    background-color: var(--color-bg-alt);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.85rem;
}

.error {
    background-color: var(--color-error);
    color: var(--color-bg);
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

#loading {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-muted);
}

/* Accessibility: Skip link for keyboard users */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    background: var(--color-accent);
    color: var(--color-bg);
    padding: 0.5rem 1rem;
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    left: 0;
    top: 0;
    width: auto;
    height: auto;
    overflow: visible;
}

/* Accessibility: Focus states for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.source-links a:focus {
    outline-offset: 1px;
}

/* Accessibility: Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .header-content {
        flex-direction: column;
    }

    .header-nav {
        justify-content: flex-start;
        margin-top: 0.75rem;
    }

    .category-header-top {
        flex-direction: column;
    }

    .category-nav {
        justify-content: flex-start;
        margin-top: 0.5rem;
    }

    .source {
        grid-template-columns: 1fr;
    }

    .source-links {
        justify-content: flex-start;
        margin-top: 0.5rem;
    }

    .meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}