:root {
    color-scheme: dark;
    --bg: #0a0a0f;
    --bg-soft: #100d0b;
    --surface: rgba(19, 19, 23, 0.86);
    --surface-strong: #17151a;
    --surface-warm: rgba(33, 24, 15, 0.82);
    --surface-low: #0f0d12;
    --surface-raised: #1e1a17;
    --ink: #f8efe6;
    --text-primary: #f8efe6;
    --text-secondary: #d7c7b8;
    --text-muted: #9d8f82;
    --primary: #f59e0b;
    --primary-soft: #ffc06a;
    --orange: #f59e0b;
    --orange-dark: #f97316;
    --cyan: #7dd3fc;
    --purple: #c084fc;
    --green: #34d399;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 16px;
    --max-page: 1440px;
    font-family: "Instrument Sans", "Google Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
    scroll-padding-top: 128px;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 18% 8%, rgba(245, 158, 11, 0.08), transparent 26%),
        radial-gradient(circle at 78% 12%, rgba(125, 211, 252, 0.05), transparent 24%),
        linear-gradient(180deg, #08080d 0%, #0a0a0f 44%, #120c05 100%);
    color: var(--ink);
    line-height: 1.5;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 72%);
    z-index: -1;
}

a {
    color: inherit;
}

button,
input,
select {
    font: inherit;
}

button,
a,
select,
input {
    -webkit-tap-highlight-color: transparent;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 12px;
    font-family: "Bodoni Moda", "Playfair Display", Georgia, serif;
    font-size: 56px;
    line-height: 0.98;
    font-weight: 800;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 8px;
    font-family: "Instrument Sans", "Google Sans", system-ui, sans-serif;
    font-size: 28px;
    line-height: 1.18;
    font-weight: 800;
}

h3 {
    margin-bottom: 8px;
    font-family: "Instrument Sans", "Google Sans", system-ui, sans-serif;
    font-size: 21px;
    line-height: 1.25;
    font-weight: 800;
}

p {
    color: var(--text-secondary);
}

code,
pre,
.field-name,
.field-type,
.schema-path,
.schema-type {
    font-family: "JetBrains Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

.material-symbols-outlined {
    direction: ltr;
    display: inline-block;
    font-family: "Material Symbols Outlined";
    font-feature-settings: "liga";
    font-size: 20px;
    font-style: normal;
    font-weight: normal;
    line-height: 1;
    text-transform: none;
    white-space: nowrap;
    word-wrap: normal;
}

.site-header {
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 0 24px;
    pointer-events: none;
}

.header-inner {
    width: min(100%, var(--max-page));
    min-height: 68px;
    margin: 0 auto;
    padding: 12px 18px 12px 24px;
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
    align-items: center;
    gap: 18px;
    background: rgba(29, 22, 15, 0.88);
    border: 1px solid rgba(255, 192, 106, 0.18);
    border-radius: 999px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    pointer-events: auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: var(--primary-soft);
    font-family: "Instrument Sans", "Google Sans", system-ui, sans-serif;
    font-size: 24px;
    font-weight: 800;
    text-decoration: none;
}

.brand .logo {
    width: 28px;
    height: 28px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.4));
}

.top-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.nav-link {
    padding: 8px 0 6px;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-soft);
    border-color: var(--primary);
}

.header-copy {
    justify-self: end;
}

.button {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible,
.icon-button:hover,
.icon-button:focus-visible {
    border-color: rgba(245, 158, 11, 0.55);
    box-shadow: 0 0 24px rgba(245, 158, 11, 0.16);
    outline: none;
    transform: translateY(-1px);
}

.button-primary {
    border-color: transparent;
    background: linear-gradient(135deg, #ffc06a, #f59e0b);
    color: #2b1700;
    box-shadow: 0 12px 28px rgba(245, 158, 11, 0.18);
}

.button-light {
    border-color: rgba(255, 192, 106, 0.32);
    background: #ffc06a;
    color: #301900;
}

.button-ghost {
    background: rgba(255, 255, 255, 0.025);
    color: var(--text-primary);
}

.button-large {
    min-height: 54px;
    padding: 14px 24px;
    font-size: 16px;
}

.icon-button {
    width: 54px;
    height: 54px;
    display: inline-grid;
    place-items: center;
    border: 1px solid rgba(245, 158, 11, 0.22);
    border-radius: 8px;
    background: #ffc06a;
    color: #2b1700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.icon-button-small {
    width: 32px;
    height: 32px;
    min-height: 32px;
    background: transparent;
    color: var(--text-secondary);
}

main {
    width: min(100%, var(--max-page));
    margin: 0 auto;
    padding: 122px 28px 86px;
}

.page-section {
    min-width: 0;
    scroll-margin-top: 128px;
}

.status-panel {
    width: fit-content;
    max-width: 100%;
    margin: 0 auto 20px;
    padding: 10px 16px;
    border: 1px solid rgba(245, 158, 11, 0.24);
    border-radius: 999px;
    background: rgba(33, 24, 15, 0.86);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.status-panel p {
    margin: 0;
    color: var(--primary-soft);
    font-size: 13px;
    font-weight: 800;
}

.status-panel.status-error {
    border-color: rgba(248, 113, 113, 0.45);
    background: rgba(70, 20, 20, 0.72);
}

.status-panel.status-error p,
.status-text-error {
    color: #fca5a5;
}

.home-hero {
    min-height: 610px;
    display: grid;
    place-items: center;
    align-content: center;
    padding: 72px 16px 96px;
    text-align: center;
    position: relative;
}

.home-hero::before,
.page-heading::before,
.contribute-hero::before {
    content: "";
    position: absolute;
    top: 64px;
    left: 50%;
    width: 260px;
    height: 28px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, rgba(255, 192, 106, 0.42), transparent);
    filter: blur(12px);
    opacity: 0.9;
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    padding: 6px 18px;
    border: 1px solid rgba(255, 192, 106, 0.28);
    border-radius: 999px;
    background: rgba(33, 24, 15, 0.72);
    color: var(--primary-soft);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.home-hero h1 {
    max-width: 920px;
    font-size: clamp(48px, 6vw, 82px);
}

.home-hero h1 span {
    color: var(--primary-soft);
}

.home-hero p {
    max-width: 680px;
    margin: 0 auto 42px;
    font-size: 18px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
}

.copy-source {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.stats-grid,
.quality-summary,
.schema-summary {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 72px;
}

.stat-card {
    min-height: 116px;
    padding: 22px 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(25, 23, 28, 0.92), rgba(18, 17, 22, 0.92));
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(12px);
}

.stat-card span {
    display: block;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.stat-card strong {
    display: block;
    color: var(--primary-soft);
    font-family: "Instrument Sans", "Google Sans", system-ui, sans-serif;
    font-size: 34px;
    font-weight: 800;
    line-height: 1.05;
    text-shadow: 0 8px 28px rgba(245, 158, 11, 0.35);
}

.stat-card small {
    display: block;
    margin-top: 8px;
    color: var(--text-muted);
    font-size: 12px;
}

.section-title {
    margin-bottom: 42px;
}

.section-title h2 {
    display: inline-flex;
    flex-direction: column;
    gap: 16px;
    margin: 0;
}

.section-title h2::after {
    content: "";
    width: 110px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, #f59e0b, #ffc06a);
}

.resource-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) repeat(2, minmax(240px, 1fr));
    gap: 24px;
}

.resource-card {
    min-height: 250px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(19, 19, 23, 0.78);
    color: var(--text-primary);
    text-decoration: none;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(12px);
    overflow: hidden;
    position: relative;
}

.resource-card::after {
    content: "";
    position: absolute;
    right: -34px;
    bottom: -32px;
    width: 128px;
    height: 128px;
    border-radius: 50%;
    background: rgba(255, 192, 106, 0.05);
}

.resource-card:hover {
    border-color: rgba(255, 192, 106, 0.3);
    transform: translateY(-2px);
}

.resource-icon {
    color: var(--primary);
    font-size: 32px;
}

.resource-card strong {
    margin-top: auto;
    font-family: "Instrument Sans", "Google Sans", system-ui, sans-serif;
    font-size: 24px;
}

.resource-card span:not(.material-symbols-outlined) {
    color: var(--text-secondary);
}

.resource-card em {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-soft);
    font-style: normal;
    font-weight: 800;
}

.support-strip,
.ecosystem-band,
.insight-callout,
.repo-cta,
.source-finder-panel {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(22, 18, 16, 0.82);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.23);
    backdrop-filter: blur(12px);
}

.support-strip {
    margin-top: 24px;
    padding: 30px 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.support-strip h3,
.support-strip p {
    margin-bottom: 0;
}

.ecosystem-band {
    margin: 90px calc(50% - 50vw) 0;
    padding: 70px max(28px, calc((100vw - var(--max-page)) / 2 + 28px));
    border-left: none;
    border-right: none;
    border-radius: 0;
    text-align: center;
}

.ecosystem-band > span {
    display: block;
    margin-bottom: 36px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.ecosystem-list {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-secondary);
}

.ecosystem-list strong {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 10px 16px;
    border: 1px solid rgba(255, 192, 106, 0.15);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    font-size: 15px;
    font-weight: 800;
}

.ecosystem-list .material-symbols-outlined {
    color: var(--primary-soft);
}

.callout-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.12);
    color: var(--primary);
}

.page-heading {
    position: relative;
    margin-bottom: 48px;
}

.page-heading::before {
    top: 8px;
    left: 120px;
    transform: none;
}

.page-heading h1 {
    margin: 0 0 8px;
}

.page-heading p {
    margin: 0;
    font-size: 18px;
}

.split-heading {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(360px, 1.1fr);
    align-items: end;
    gap: 36px;
}

.split-heading > * {
    min-width: 0;
}

.analytics-page .split-heading {
    display: block;
    max-width: 720px;
}

.filter-rail {
    display: grid;
    grid-template-columns: minmax(210px, 1.35fr) repeat(4, minmax(130px, 1fr)) 54px;
    gap: 12px;
    align-items: end;
    padding: 14px;
    border: 1px solid rgba(245, 158, 11, 0.1);
    border-radius: 8px;
    background: rgba(35, 22, 8, 0.62);
    box-shadow: 0 16px 46px rgba(0, 0, 0, 0.22);
}

.filter-rail label {
    min-width: 0;
}

.explorer-page .split-heading {
    grid-template-columns: minmax(330px, 0.52fr) minmax(820px, 1.48fr);
}

label span,
.command-title span {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

input,
select {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 14px;
    background: rgba(15, 12, 8, 0.8);
    color: var(--text-primary);
}

input:focus,
select:focus {
    border-color: rgba(245, 158, 11, 0.7);
    outline: 3px solid rgba(245, 158, 11, 0.18);
}

.active-filter-line {
    margin: -26px 0 30px;
    color: var(--text-muted);
    font-size: 14px;
}

.table-card {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
    overflow: hidden;
    box-shadow: 0 24px 55px rgba(0, 0, 0, 0.25);
}

.compact-table-card {
    margin-top: 16px;
}

.table-wrap {
    max-width: 100%;
    overflow: auto;
}

table {
    width: 100%;
    min-width: 1080px;
    border-collapse: collapse;
    background: #111116;
}

th,
td {
    padding: 18px 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.055);
    text-align: left;
    vertical-align: middle;
    font-size: 15px;
}

th {
    background: #352b21;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

tbody tr {
    transition: background 0.2s ease;
}

tbody tr:hover {
    background: rgba(255, 192, 106, 0.045);
}

.filament-name {
    font-weight: 900;
}

.muted {
    color: var(--text-muted);
    font-size: 13px;
}

.swatch {
    width: 32px;
    height: 32px;
    display: inline-block;
    vertical-align: middle;
    border: 2px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
    box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.18), 0 6px 14px rgba(0, 0, 0, 0.34);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 4px;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.045);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 900;
}

.tag-orange {
    border-color: rgba(245, 158, 11, 0.28);
    background: rgba(245, 158, 11, 0.13);
    color: var(--primary-soft);
}

.severity-critical {
    border-color: rgba(248, 113, 113, 0.38);
    background: rgba(127, 29, 29, 0.28);
    color: #fca5a5;
}

.severity-warning {
    border-color: rgba(251, 146, 60, 0.38);
    background: rgba(124, 45, 18, 0.28);
    color: #fdba74;
}

.severity-info {
    border-color: rgba(125, 211, 252, 0.26);
    background: rgba(14, 116, 144, 0.16);
    color: #bae6fd;
}

.insight-callout {
    margin-top: 56px;
    padding: 38px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 28px;
}

.insight-callout h2,
.insight-callout p {
    margin-bottom: 0;
}

.callout-icon {
    width: 90px;
    height: 90px;
    background: rgba(245, 158, 11, 0.13);
    font-size: 40px;
}

.callout-icon .material-symbols-outlined {
    font-size: 42px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
    gap: 26px;
}

.chart-card {
    min-width: 0;
    min-height: 420px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(18, 18, 23, 0.86);
    box-shadow: 0 24px 55px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(12px);
}

.chart-card-wide {
    grid-column: span 1;
}

.card-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.card-heading h2 {
    margin: 0;
    font-size: 24px;
}

.card-heading span {
    color: var(--primary);
    font-size: 13px;
    font-weight: 900;
}

.echart-panel {
    width: 100%;
    height: 330px;
    min-height: 330px;
}

.echart-large {
    height: 420px;
    min-height: 420px;
}

.echart-medium {
    height: 380px;
    min-height: 380px;
}

.schema-stage,
.quality-dashboard,
.schema-viewer {
    margin-top: 54px;
}

.section-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}

.section-row h2 {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0;
    color: var(--primary-soft);
}

.section-actions,
.schema-toolbar,
.quality-toolbar {
    display: flex;
    align-items: end;
    justify-content: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.schema-container-wrapper {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 16px;
    background:
        radial-gradient(rgba(20, 20, 24, 0.12) 1.2px, transparent 1.2px),
        #f4f4f3;
    background-size: 24px 24px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.schema-canvas {
    min-width: 1180px;
    min-height: 800px;
    padding: 0;
    position: relative;
    display: block;
}

.schema-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.schema-svg path {
    transition: stroke 0.2s ease, stroke-width 0.2s ease, filter 0.2s ease;
}

.schema-svg path[data-from] {
    stroke: #c25a00;
    stroke-width: 2.8;
    opacity: 0.96;
}

.schema-column {
    display: contents;
}

.center-column {
    display: contents;
}

.right-column {
    display: contents;
}

.schema-mini-row {
    display: contents;
}

.db-table-card {
    width: 285px;
    position: absolute;
    overflow: hidden;
    border: 1px solid #d7d7d7;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 6px 18px rgba(15, 15, 15, 0.16);
}

.fact-table-card {
    width: 310px;
    border: 2px solid #cf6200;
}

#tbl-manufacturers { left: 36px; top: 170px; }
#tbl-materials { left: 36px; top: 370px; }
#tbl-filaments { left: 420px; top: 44px; }
#tbl-spools { left: 420px; top: 548px; }
#tbl-diameters { left: 848px; top: 36px; }
#tbl-colors { left: 848px; top: 224px; }
#tbl-weights { left: 848px; top: 552px; }

.db-table-header {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #e3e3e3;
    background: #111111;
    color: #ffffff;
    font-family: "Bodoni Moda", Georgia, serif;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.fact-table-card .db-table-header {
    background: #c85f00;
}

.db-table-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid #eeeeee;
    font-size: 13px;
}

.db-table-row:last-child {
    border-bottom: none;
}

.db-table-row:hover,
.row-highlight {
    background: rgba(194, 90, 0, 0.08);
}

.field-name {
    color: #111111;
    font-weight: 700;
}

.pk-row .field-name::before {
    content: "key";
    margin-right: 8px;
    color: #d88b00;
    font-family: "Material Symbols Outlined";
    font-size: 15px;
    line-height: 1;
    vertical-align: -2px;
}

.fk-row .field-name::before {
    content: "link";
    margin-right: 8px;
    color: #8c7ab7;
    font-family: "Material Symbols Outlined";
    font-size: 15px;
    line-height: 1;
    vertical-align: -2px;
}

.field-type {
    color: #222222;
    font-size: 11px;
    text-align: right;
}

.quality-summary,
.schema-summary {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-bottom: 16px;
}

.quality-meta {
    display: block;
    margin: 0 0 16px;
    color: var(--text-muted);
}

.quality-table,
.schema-table {
    min-width: 980px;
}

.schema-table {
    table-layout: fixed;
}

.schema-path {
    color: var(--primary-soft);
    font-weight: 700;
    overflow-wrap: anywhere;
}

.schema-type,
.schema-note-cell {
    overflow-wrap: anywhere;
}

.contribute-page {
    max-width: 980px;
    margin: 0 auto;
}

.contribute-hero {
    position: relative;
    padding: 64px 0 40px;
    text-align: center;
}

.contribute-hero::before {
    top: 42px;
}

.contribute-hero h1 {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.contribute-hero p {
    max-width: 620px;
    margin: 0 auto;
}

.repo-cta {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 22px;
    padding: 26px;
    border-left: 4px solid var(--primary-soft);
}

.repo-cta h2,
.repo-cta p {
    margin-bottom: 0;
}

.github-mark {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--text-primary);
    color: #111116;
}

.github-mark svg {
    width: 42px;
    height: 42px;
}

.contribution-timeline {
    margin-top: 58px;
    position: relative;
}

.contribution-timeline::before {
    content: "";
    position: absolute;
    top: 12px;
    bottom: 12px;
    left: 26px;
    width: 2px;
    background: linear-gradient(180deg, transparent, rgba(245, 158, 11, 0.45), transparent);
}

.timeline-item {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 24px;
    margin-bottom: 50px;
    position: relative;
}

.timeline-number {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 4px solid var(--bg-soft);
    border-radius: 50%;
    background: linear-gradient(135deg, #f97316, #f59e0b);
    color: #2b1700;
    font-family: "Instrument Sans", "Google Sans", system-ui, sans-serif;
    font-weight: 800;
    z-index: 1;
}

.timeline-card {
    min-width: 0;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(22, 20, 22, 0.88);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.23);
}

.timeline-card h2 {
    margin-bottom: 14px;
    color: var(--primary-soft);
    font-size: 18px;
}

.command-card {
    min-width: 0;
    margin-top: 24px;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.055);
    border-radius: 8px;
    background: rgba(15, 9, 3, 0.84);
}

.command-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.055);
}

.command-title span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: var(--primary-soft);
}

pre {
    margin: 10px 0 0;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.055);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.22);
    color: var(--text-primary);
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.7;
}

.checklist-stack {
    display: grid;
    gap: 14px;
    margin: 24px 0 30px;
}

.checklist-stack label {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: start;
    padding: 18px;
    border: 1px solid rgba(255, 192, 106, 0.1);
    border-radius: 8px;
    background: rgba(255, 192, 106, 0.06);
}

.checklist-stack input {
    width: 22px;
    height: 22px;
    min-height: 22px;
    accent-color: var(--primary);
}

.checklist-stack strong,
.checklist-stack small {
    display: block;
}

.checklist-stack small,
.review-time {
    color: var(--text-secondary);
}

.submit-pr {
    width: min(250px, 100%);
    margin: 0 auto 12px;
}

.review-time {
    display: block;
    text-align: center;
}

.source-finder-panel {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 24px;
    padding: 28px;
}

.source-search {
    display: block;
    max-width: 420px;
    margin-top: 18px;
}

.source-results {
    list-style: none;
    display: grid;
    gap: 10px;
    margin: 16px 0 0;
    padding: 0;
}

.source-empty,
.source-hit {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.035);
}

.source-hit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.source-hit-meta {
    display: grid;
    gap: 4px;
}

.help-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 58px;
    text-align: center;
}

.help-actions > span {
    flex: 0 0 100%;
    color: var(--text-secondary);
    font-weight: 800;
}

.site-footer {
    margin-top: 56px;
    padding: 38px max(28px, calc((100vw - var(--max-page)) / 2 + 28px));
    display: flex;
    justify-content: space-between;
    gap: 24px;
    border-top: 1px solid rgba(255, 192, 106, 0.12);
    background: rgba(18, 10, 2, 0.88);
}

.site-footer strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-soft);
    font-family: "Instrument Sans", "Google Sans", system-ui, sans-serif;
}

.site-footer p {
    max-width: 430px;
    margin-bottom: 0;
}

.site-footer div:last-child {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 32px;
}

.site-footer a {
    color: var(--text-secondary);
    font-weight: 800;
    text-decoration: none;
}

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

@media (max-width: 1180px) {
    .header-inner {
        grid-template-columns: 1fr;
        border-radius: 24px;
    }

    .brand,
    .header-copy {
        justify-self: center;
    }

    .top-links {
        order: 3;
        width: 100%;
        justify-content: center;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    main {
        padding-top: 196px;
    }

    .split-heading,
    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .filter-rail {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .explorer-page .split-heading {
        grid-template-columns: 1fr;
    }

    .filter-rail .icon-button {
        width: 100%;
    }

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

    .resource-card-wide {
        grid-column: 1 / -1;
    }

    .stats-grid,
    .quality-summary,
    .schema-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .schema-canvas {
        min-width: 1180px;
    }
}

@media (max-width: 720px) {
    .site-header {
        top: 8px;
        padding: 0 10px;
    }

    .header-inner {
        padding: 14px;
        gap: 12px;
    }

    .brand {
        font-size: 18px;
    }

    .top-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px 22px;
        overflow: visible;
    }

    .nav-link {
        flex: 0 0 auto;
    }

    main {
        padding: 220px 14px 56px;
    }

    h1 {
        font-size: 38px;
        line-height: 1.08;
    }

    h2 {
        font-size: 24px;
    }

    .home-hero {
        min-height: 520px;
        padding: 42px 0 64px;
    }

    .home-hero p,
    .page-heading p {
        font-size: 16px;
    }

    .hero-actions,
    .support-strip,
    .section-row,
    .repo-cta,
    .insight-callout,
    .source-finder-panel,
    .site-footer {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
    }

    .button,
    .button-large {
        width: 100%;
    }

    .stats-grid,
    .quality-summary,
    .schema-summary,
    .resource-grid,
    .filter-rail {
        grid-template-columns: 1fr;
        width: 100%;
        min-width: 0;
    }

    .stat-card {
        min-height: 104px;
    }

    .resource-card {
        min-height: 220px;
        padding: 24px;
    }

    .ecosystem-list {
        gap: 20px;
    }

    .table-card {
        border-radius: 8px;
    }

    th,
    td {
        padding: 12px 14px;
        font-size: 13px;
    }

    .chart-card {
        min-height: 360px;
        padding: 20px;
    }

    .echart-panel,
    .echart-large,
    .echart-medium {
        height: 300px;
        min-height: 300px;
    }

    .timeline-item {
        grid-template-columns: 40px minmax(0, 1fr);
        gap: 14px;
    }

    .timeline-number {
        width: 40px;
        height: 40px;
    }

    .timeline-card {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        padding: 22px;
    }

    .command-card,
    pre,
    code {
        max-width: 100%;
    }

    .site-footer div:last-child {
        justify-content: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}