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

/* === Base === */
:root {
    --color-text: #111827;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;
    --color-accent: #1e40af;
    --color-accent-light: #dbeafe;
    --color-bg: #ffffff;
    --color-bg-subtle: #f9fafb;
    --color-border: #e5e7eb;
    --color-border-strong: #1e40af;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;
    --max-width: 680px;
}

html {
    font-size: 17px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.15s;
}

a:hover {
    color: #1e3a8a;
    text-decoration: underline;
}

/* === Header === */
header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

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

.site-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.03em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-title::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 1.1em;
    background: var(--color-accent);
    border-radius: 2px;
}

.site-title:hover {
    text-decoration: none;
    color: var(--color-accent);
}

.tagline {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

/* === Main Content === */
.content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

/* === Footer === */
footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-subtle);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.footer-inner p + p { margin-top: 0.4rem; }
.footer-inner a { color: var(--color-text-secondary); }

/* === Breadcrumb === */
.breadcrumb {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.breadcrumb a { color: var(--color-text-secondary); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { color: var(--color-text-secondary); font-weight: 500; }

/* === Index Page === */
.index-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.index-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 0.35rem;
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

/* === Date Sections === */
.date-section {
    margin-bottom: 2.5rem;
}

.date-section h2 {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}

.date-section h2 a {
    color: inherit;
}

.date-section h2 a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

/* === Brief Cards === */
.brief-card {
    display: block;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-border-strong);
    padding: 1rem 1.25rem;
    margin-bottom: 0.6rem;
    border-radius: 6px;
    background: var(--color-bg);
    transition: box-shadow 0.2s, border-color 0.2s;
    color: var(--color-text);
}

.brief-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border-color: var(--color-accent);
    text-decoration: none;
}

.brief-card .committee {
    display: block;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.3;
    margin-bottom: 0.3rem;
}

.brief-card .meta {
    display: inline-block;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

.brief-card .bills {
    display: block;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-top: 0.2rem;
    font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace;
    letter-spacing: 0.01em;
}

/* === Article Brief === */
.brief h1 {
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.25;
    color: var(--color-text);
    margin-bottom: 0.2rem;
}

.brief h2 {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
}

.brief h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 0.75rem;
    padding-top: 0.25rem;
}

.brief p {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.brief p:first-of-type {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.brief strong {
    font-weight: 700;
    color: var(--color-text);
}

.brief ul, .brief ol {
    margin-bottom: 1rem;
    padding-left: 1.25rem;
}

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

.brief li strong {
    color: var(--color-text);
}

.brief hr {
    border: none;
    height: 1px;
    background: var(--color-border);
    margin: 2rem 0;
}

.brief em {
    font-style: italic;
    color: var(--color-text-secondary);
}

/* Source attribution */
.brief p:last-of-type,
.brief p:nth-last-of-type(2) {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* === Responsive === */
@media (max-width: 640px) {
    html { font-size: 16px; }

    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.15rem;
        padding: 0.85rem 1rem;
    }

    .content { padding: 1.5rem 1rem 3rem; }

    .index-header h1 { font-size: 1.45rem; }
    .brief h1 { font-size: 1.3rem; }
    .brief h3 { font-size: 1.05rem; }

    .brief-card { padding: 0.85rem 1rem; }
}