:root {
    --connections-detail-width: 420px;
    --pie-gold: #D4AF37;
    --pie-gold-dim: rgba(212, 175, 55, 0.12);
    --pie-void: #050505;
    --pie-deep: #08080a;
}

/* ─── Hero ─── */
.connections-hero {
    position: relative;
    padding: calc(var(--nav-height) + var(--space-6)) 0 var(--space-5);
    background:
        radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
        var(--void);
    text-align: center;
    border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

.connections-hero .section-eyebrow {
    color: var(--gold);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-size: 0.75rem;
    margin-bottom: var(--space-2);
}

.connections-hero h1 {
    margin-bottom: var(--space-3);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.connections-hero .hero-subtitle {
    max-width: 720px;
    margin: 0 auto;
    color: var(--text-secondary);
}

/* ─── Toolbar ─── */
.connections-toolbar {
    background: rgba(8, 8, 10, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--space-2) 0;
    position: sticky;
    top: var(--nav-height);
    z-index: 100;
    backdrop-filter: blur(12px);
}

.toolbar-inner {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.search-wrap {
    position: relative;
    flex: 1 1 280px;
    min-width: 220px;
}

.node-search {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: var(--radius-lg);
    background: var(--surface);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.node-search:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-dim);
}

.node-search::placeholder {
    color: var(--text-dim);
}

.search-results {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    max-height: 320px;
    overflow-y: auto;
    background: var(--surface-raised);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-md);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
    z-index: 110;
    display: none;
}

.search-results.is-open {
    display: block;
}

.search-result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: background var(--duration-fast);
}

.search-result-item:hover,
.search-result-item.is-focused {
    background: var(--hover);
}

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

.search-result-name {
    font-weight: 500;
    color: var(--text-primary);
}

.search-result-meta {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: capitalize;
}

.toolbar-actions {
    display: flex;
    gap: var(--space-1);
    flex-shrink: 0;
}

.btn-sm {
    padding: 10px 16px;
    font-size: 0.8rem;
}

/* ─── Stage ─── */
.connections-stage {
    display: grid;
    grid-template-columns: 1fr var(--connections-detail-width);
    min-height: calc(100vh - var(--nav-height));
    background: var(--pie-deep);
    position: relative;
}

.connections-stage.is-hidden {
    display: none;
}

.graph-wrap {
    position: relative;
    min-height: 600px;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(20, 20, 25, 1) 0%, var(--pie-deep) 100%);
}

.stage-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 70;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: linear-gradient(to bottom, rgba(8, 8, 10, 0.9), transparent);
    pointer-events: none;
}

.stage-back,
.stage-domain {
    pointer-events: auto;
}

.stage-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-dim);
    background: rgba(8, 8, 10, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.stage-back:hover {
    color: var(--gold);
    border-color: rgba(212, 175, 55, 0.3);
}

.stage-domain {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

#graph-svg {
    width: 100%;
    height: 100%;
    min-height: 600px;
    display: block;
    cursor: default;
}

.graph-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.graph-loading,
.graph-error {
    padding: var(--space-3) var(--space-4);
    background: var(--surface-raised);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 0.95rem;
    pointer-events: auto;
}

.graph-error {
    color: #ff8a8a;
    border-color: rgba(255, 100, 100, 0.3);
}

/* ─── Tooltip ─── */
.graph-tooltip {
    position: absolute;
    pointer-events: none;
    background: rgba(8, 8, 10, 0.96);
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    z-index: 80;
    max-width: 240px;
    transition: opacity 0.15s ease;
}

.tooltip-title {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.tooltip-meta {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gold);
    margin-bottom: 4px;
}

.tooltip-rel {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* ─── Sunburst arcs ─── */
.sunburst-arc {
    cursor: pointer;
    stroke: rgba(0, 0, 0, 0.6);
    stroke-width: 1px;
    transition: opacity 0.15s ease, filter 0.15s ease;
}

.sunburst-arc:hover {
    filter: brightness(1.25);
}

.sunburst-arc.root-arc,
.sunburst-arc.domain-arc {
    display: none;
}

.sunburst-arc.pantheon-arc {
    stroke: rgba(255, 255, 255, 0.12);
    stroke-width: 1.5px;
}

.sunburst-arc.deity-arc {
    stroke: rgba(0, 0, 0, 0.7);
    stroke-width: 0.5px;
}

.sunburst-arc.dimmed {
    opacity: 0.12;
}

.sunburst-arc.highlight {
    opacity: 1 !important;
    filter: drop-shadow(0 0 8px currentColor);
    stroke: rgba(255, 255, 255, 0.6);
}

.sunburst-label {
    font-family: var(--font-body);
    font-size: 10px;
    fill: rgba(255, 255, 255, 0.9);
    pointer-events: none;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.95);
}

.sunburst-label.pantheon-label {
    font-weight: 600;
    font-size: 11px;
    fill: var(--text-primary);
}

.sunburst-label.deity-label {
    font-size: 9px;
}

/* ─── Center label ─── */
.pie-center-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    fill: var(--text-primary);
    text-anchor: middle;
    dominant-baseline: middle;
    pointer-events: none;
}

.pie-center-sublabel {
    font-size: 9px;
    fill: var(--text-dim);
    text-anchor: middle;
    dominant-baseline: middle;
    pointer-events: none;
}

/* ─── Domain drawer ─── */
.domain-drawer {
    background: var(--surface);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--space-5) 0 var(--space-6);
    min-height: calc(100vh - var(--nav-height));
}

.domain-drawer.is-hidden {
    display: none;
}

.domain-drawer-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.domain-drawer-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.domain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-3);
}

.domain-card {
    position: relative;
    background: var(--surface-raised);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 4px solid var(--domain-color, var(--gold));
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    text-align: left;
}

.domain-card:hover {
    transform: translateY(-3px);
    border-color: var(--domain-color, var(--gold));
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.domain-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.domain-card-count {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: var(--space-2);
}

.domain-card-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.domain-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: var(--space-2);
    font-size: 0.8rem;
    color: var(--text-dim);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.domain-back:hover {
    color: var(--gold);
}

/* ─── Legend ─── */
.graph-legend {
    position: absolute;
    bottom: var(--space-2);
    left: var(--space-2);
    background: rgba(8, 8, 10, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    backdrop-filter: blur(8px);
    max-width: 200px;
}

.legend-title {
    display: block;
    margin-bottom: 6px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.65rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.legend-swatch {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* ─── Detail panel ─── */
.detail-panel {
    background: var(--surface);
    border-left: 1px solid rgba(255, 255, 255, 0.06);
    overflow-y: auto;
    max-height: calc(100vh - var(--nav-height));
    position: sticky;
    top: var(--nav-height);
}

.detail-panel-inner {
    padding: var(--space-3);
}

.detail-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
    color: var(--text-dim);
}

.detail-empty-icon {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: var(--space-2);
    opacity: 0.6;
}

.detail-card {
    background: var(--surface-raised);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    margin-bottom: var(--space-3);
}

.detail-header {
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.detail-pantheon {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gold);
    margin-bottom: 6px;
}

.detail-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    line-height: 1.1;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.detail-domain {
    color: var(--text-secondary);
    line-height: 1.4;
}

.detail-actions {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.detail-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-dim);
    margin-bottom: var(--space-2);
}

.detail-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-3);
}

.detail-meta-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.detail-meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-meta-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-dim);
}

.detail-meta-value {
    font-size: 0.95rem;
    color: var(--text-primary);
    word-break: break-word;
}

.detail-script {
    font-size: 1.4rem;
    color: var(--gold);
}

.detail-explore {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.detail-explore-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-top: var(--space-2);
}

.detail-explore-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-decoration: none;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.detail-explore-link:hover {
    border-color: rgba(212, 175, 55, 0.3);
    color: var(--text-primary);
}

.detail-explore-icon {
    color: var(--gold);
    font-size: 0.9rem;
}

/* Related concepts */
.concept-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    color: var(--text-primary);
    margin: 0 6px 6px 0;
}

/* ─── Responsive ─── */
@media (max-width: 1200px) {
    :root {
        --connections-detail-width: 360px;
    }
}

@media (max-width: 900px) {
    .connections-stage {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(420px, 55vh) auto;
    }

    .graph-wrap {
        min-height: 420px;
    }

    #graph-svg {
        min-height: 420px;
    }

    .detail-panel {
        max-height: none;
        position: static;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

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

@media (max-width: 600px) {
    .connections-hero {
        padding-top: calc(var(--nav-height) + var(--space-4));
    }

    .connections-hero h1 {
        font-size: 2.5rem;
    }

    .toolbar-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-actions {
        justify-content: flex-end;
    }

    .detail-title {
        font-size: 1.8rem;
    }

    .domain-drawer-title {
        font-size: 1.5rem;
    }

    .graph-legend {
        position: relative;
        bottom: auto;
        left: auto;
        margin: var(--space-3) var(--space-3) 0;
        max-width: none;
        width: calc(100% - var(--space-3) * 2);
        box-sizing: border-box;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem 1rem;
    }

    .legend-title {
        flex: 0 0 100%;
        margin-bottom: 0.25rem;
    }

    .legend-item {
        margin-bottom: 0;
    }
}

/* ─── Loading shimmer ─── */
.graph-loading {
    position: relative;
    overflow: hidden;
}

.graph-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.08), transparent);
    animation: loadingShimmer 1.8s infinite;
}

@keyframes loadingShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ─── Data / Flywheel section ─── */
.connections-data {
    background:
        radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.06) 0%, transparent 55%),
        var(--surface);
    border-top: 1px solid rgba(212, 175, 55, 0.08);
    padding: var(--space-8) 0 var(--space-7);
    margin-top: var(--space-6);
}

.connections-data-header {
    max-width: 760px;
    margin: 0 auto var(--space-6);
    text-align: center;
}

.connections-data-header .section-eyebrow {
    display: block;
    color: var(--gold);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-size: 0.7rem;
    margin-bottom: var(--space-2);
}

.connections-data-header h2 {
    margin-bottom: var(--space-3);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.connections-data-header p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.connections-data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.data-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--surface-raised);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.data-card:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 175, 55, 0.25);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.data-card-icon {
    font-size: 1.4rem;
    color: var(--gold);
    line-height: 1;
}

.data-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-primary);
}

.data-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
}

.data-card-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gold);
    margin-top: var(--space-1);
}

.connections-data-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-3);
}

.connections-data-meta {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-dim);
}

@media (max-width: 600px) {
    .connections-data {
        padding: var(--space-6) 0;
        margin-top: var(--space-4);
    }

    .connections-data-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .connections-data-actions .btn {
        justify-content: center;
    }
}

/* ─── Utility ─── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}