/* ==========================================================================
   🧩 NAMEREGISTRY — FLUID ARCHITECTURE DESIGN SYSTEM
   Merged best-of Option 5 & 6 | Dark Mode | Enhanced UX
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,600;0,9..40,800;0,9..40,900;1,9..40,400&display=swap');

:root {
    /* Light mode palette */
    --bg-main: #f0f4f8;
    --bg-card: #ffffff;
    --bg-subtle: #f8fafc;
    --text-main: #0d1b2e;
    --text-muted: #4a6380;
    --text-sub: #7a92a8;
    --primary: #0369a1;
    --primary-light: #e0f2fe;
    --primary-mid: #bae6fd;
    --navy: #0c2d55;
    --accent-green: #0f7a3e;
    --accent-red: #c0192a;
    --accent-amber: #b45309;
    --border: #cdd8e3;
    --border-light: #e8eef4;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
    --radius-xl: 20px;
    --radius-lg: 14px;
    --radius-md: 9px;
    --radius-sm: 5px;
    --font-display: 'DM Serif Display', Georgia, serif;
    --font-stack: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    /* Header */
    --header-bg: #ffffff;
    --header-border: var(--border);
    --logo-color: var(--navy);
    --nav-link: var(--text-muted);
    --nav-link-active: var(--primary);

    /* Chart */
    --chart-stroke: var(--primary);
    --chart-fill: rgba(3, 105, 161, 0.07);
    --chart-grid: #e2eaf2;
}

[data-theme="dark"] {
    --bg-main: #0b1622;
    --bg-card: #142132;
    --bg-subtle: #101d2c;
    --text-main: #e8f1f9;
    --text-muted: #7fa8c8;
    --text-sub: #4d7592;
    --primary: #38bdf8;
    --primary-light: #0c2d45;
    --primary-mid: #164766;
    --navy: #90c8f0;
    --accent-green: #34d17a;
    --accent-red: #f87171;
    --accent-amber: #fbbf24;
    --border: #1e3652;
    --border-light: #162b42;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);

    --header-bg: #0e1d2f;
    --header-border: #1a2e44;
    --logo-color: #90c8f0;
    --nav-link: var(--text-muted);
    --nav-link-active: var(--primary);

    --chart-stroke: #38bdf8;
    --chart-fill: rgba(56, 189, 248, 0.08);
    --chart-grid: #1a2f46;
}

/* ==========================================================================
   🧱 RESET & BASE
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-stack);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.25s ease, color 0.25s ease;
}

/* ==========================================================================
   🏗️ SITE HEADER
   ========================================================================== */
.site-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.header-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
    height: 62px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo a {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--logo-color);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.logo-sub {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-sub);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: none;
}

@media (min-width: 640px) {
    .logo-sub { display: inline; }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.nav-links a {
    color: var(--nav-link);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: color 0.15s ease, background 0.15s ease;
}

.nav-links a:hover {
    color: var(--nav-link-active);
    background: var(--primary-light);
}

/* Dark mode toggle button */
.theme-toggle-btn {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-stack);
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.theme-toggle-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}

.menu-toggle .bar {
    width: 22px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all 0.2s ease;
    display: block;
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .logo-sub { display: none !important; }
    .nav-links {
        display: none;
        position: absolute;
        top: 62px;
        left: 0;
        right: 0;
        background: var(--header-bg);
        border-top: 1px solid var(--border);
        flex-direction: column;
        padding: 12px;
        gap: 2px;
        box-shadow: var(--shadow-md);
    }
    .nav-links.active { display: flex; }
    .nav-links a { width: 100%; padding: 10px 14px; font-size: 1rem; }
    .theme-toggle-btn { order: -1; margin-left: auto; }
}

/* ==========================================================================
   🏗️ PAGE LAYOUT
   ========================================================================== */
#contentout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 1240px;
    margin: 0 auto;
    padding: 24px 16px;
}

@media (min-width: 992px) {
    #contentout {
        grid-template-columns: 2.6fr 1fr;
        padding: 32px 24px;
    }
}

main#content {
    width: 100%;
    min-width: 0;
}

/* ==========================================================================
   🃏 CARD SYSTEM
   ========================================================================== */
.block-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.category-eyebrow {
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.10em;
    display: block;
    margin-bottom: 6px;
}

.profile-main-title {
    font-family: var(--font-display);
    font-size: 3.2rem;
    font-weight: 400;
    color: var(--navy);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.profile-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 6px;
    max-width: 600px;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--navy);
    letter-spacing: -0.01em;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.highlight-summary-banner {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-main);
    font-weight: 500;
    margin-top: 16px;
}

/* ==========================================================================
   🧩 HERO STATS GRID — Option 6's prominent rank layout + Option 5's labels
   ========================================================================== */
.hero-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
}

@media (min-width: 576px) {
    .hero-stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
}

.stat-box-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

@media (min-width: 576px) {
    .stat-box-row {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    }
}

.stat-box {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    text-align: left;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.stat-box:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* Hero stat box — Option 6 style with large rank value */
.stat-box-hero {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 16px;
    text-align: center;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.stat-box-hero:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-box-hero .stat-hero-value {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 400;
    color: var(--navy);
    display: block;
    line-height: 1;
    margin: 6px 0 4px;
}

.stat-box-hero .stat-hero-value.values-primary { color: var(--primary); }
.stat-box-hero .stat-hero-value.trend-up { color: var(--accent-green); }
.stat-box-hero .stat-hero-value.trend-down { color: var(--accent-red); }

.stat-label {
    display: block;
    font-size: 0.69rem;
    color: var(--text-muted);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 5px;
    line-height: 1.2;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--text-main);
    display: block;
    font-feature-settings: "tnum";
}

.values-primary { color: var(--primary); }
.values-neutral { color: var(--navy); }
.trend-up   { color: var(--accent-green); }
.trend-down { color: var(--accent-red); }

/* ==========================================================================
   📊 CHART CANVAS
   ========================================================================== */
.svg-chart-wrapper {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 16px 8px;
    position: relative;
    overflow: hidden;
}

.svg-chart-container {
    width: 100%;
    height: 160px;
}

.chart-timeline-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-sub);
    font-weight: 700;
    margin-top: 6px;
    letter-spacing: 0.03em;
}

.chart-description {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.vector-explanation-block {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-top: 14px;
    line-height: 1.7;
    background: var(--bg-subtle);
    padding: 16px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

/* ==========================================================================
   🗺️ STATE REGION SUMMARY — Option 6's geographic highlights
   ========================================================================== */
.geo-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.geo-card {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
}

.geo-card .geo-label {
    font-size: 0.69rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    display: block;
    margin-bottom: 5px;
}

.geo-card .geo-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
}

/* ==========================================================================
   📋 STATE DATA TABLE
   ========================================================================== */
.table-filter-container {
    margin-bottom: 10px;
}

.table-filter-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-main);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: var(--font-stack);
    outline: none;
    transition: border-color 0.15s ease;
}

.table-filter-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(3,105,161,0.12);
}

[data-theme="dark"] .table-filter-input:focus {
    box-shadow: 0 0 0 3px rgba(56,189,248,0.15);
}

.seo-data-table-wrapper {
    overflow-x: auto;
    max-height: 360px;
    overflow-y: auto;
    margin-top: 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.seo-data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    text-align: left;
    font-size: 0.9rem;
}

.seo-data-table th,
.seo-data-table td {
    padding: 11px 15px;
    border-bottom: 1px solid var(--border-light);
}

.seo-data-table th {
    background: var(--primary-light);
    color: var(--navy);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    position: sticky;
    top: 0;
    z-index: 10;
}

.seo-data-table tr:last-child td {
    border-bottom: none;
}

.seo-data-table tbody tr:hover {
    background: var(--bg-subtle);
}

/* ==========================================================================
   🛠️ SIBLING TOOL
   ========================================================================== */
.tool-container-accent {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-card) 100%);
    border: 1px solid var(--primary-mid);
}

.tool-input-field {
    width: 100%;
    max-width: 440px;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-stack);
    background: var(--bg-card);
    color: var(--text-main);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    margin-top: 8px;
}

.tool-input-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(3,105,161,0.12);
}

.tool-dynamic-feedback {
    margin-top: 12px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   👨‍👩‍👧 SIBLING MATCHES — Option 5 split brothers/sisters layout
   ========================================================================== */
.sibling-columns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.sibling-column-box {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
}

.sibling-box-header {
    display: block;
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--navy);
    text-transform: uppercase;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    letter-spacing: 0.06em;
}

.sibling-navigation-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sibling-link-node {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.15s ease;
}

.sibling-link-node::before {
    content: '→';
    font-size: 0.85rem;
    opacity: 0.6;
}

.sibling-link-node:hover {
    color: var(--navy);
}

/* ==========================================================================
   🔗 TAG CLOUD / MESH LINKS
   ========================================================================== */
.seo-mesh-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.seo-link-bubble {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    padding: 7px 15px;
    border-radius: 20px;
    font-size: 0.88rem;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.15s ease;
}

.seo-link-bubble:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

/* Peer group section labels */
.peers-label {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
    margin-top: 16px;
}

.peers-label:first-child {
    margin-top: 0;
}

/* ==========================================================================
   📅 DECADE GRID
   ========================================================================== */
.decade-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.decade-chip {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    text-align: center;
    min-width: 80px;
    transition: border-color 0.15s ease;
}

.decade-chip:hover {
    border-color: var(--primary);
}

.decade-chip .d-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 700;
    display: block;
    margin-bottom: 3px;
}

.decade-chip .d-value {
    font-size: 0.95rem;
    font-weight: 900;
    color: var(--navy);
    display: block;
    font-feature-settings: "tnum";
}

.decade-chip.peak-decade {
    background: var(--primary-light);
    border-color: var(--primary);
}

.decade-chip.peak-decade .d-value {
    color: var(--primary);
}

/* ==========================================================================
   📌 SIDEBAR
   ========================================================================== */
aside#right {
    position: sticky;
    top: 86px;
    align-self: start;
}

.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

aside#right #octitle {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--navy);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

aside#right .sidebar-links a {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    text-decoration: none;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: background 0.15s ease, color 0.15s ease;
}

aside#right .sidebar-links a::before {
    content: '›';
    font-size: 1.1rem;
    line-height: 1;
}

aside#right .sidebar-links a:hover {
    background: var(--primary-light);
    color: var(--navy);
}

/* ==========================================================================
   🦶 FOOTER
   ========================================================================== */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 32px 24px;
    margin-top: 24px;
}

.footer-content {
    max-width: 1240px;
    margin: 0 auto;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: color 0.15s ease;
}

.footer-links a:hover { color: var(--primary); }

/* Browse more hub links — Option 5's section */
.browse-hub-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.browse-hub-link {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.15s ease;
}

.browse-hub-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

/* Trajectory verdict block */
.verdict-block {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-top: 14px;
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.65;
}

/* ==========================================================================
   📱 RESPONSIVE TWEAKS
   ========================================================================== */
@media (max-width: 576px) {
    .block-card { padding: 18px 16px; }
    .profile-main-title { font-size: 2.4rem; }
    .stat-box-hero .stat-hero-value { font-size: 1.9rem; }
    .decade-grid { gap: 6px; }
    .decade-chip { min-width: 70px; padding: 8px 10px; }
}