/* ────────────────────────────────────────────────────────────────────────────
 * Social Graph (MSWE-150) — render-area layer, white-noise swap, WebGL barrel
 * canvas, and Social Graph Details panel bits. Reuses the Global Tracking
 * fullscreen chrome from css/styles.css; nothing here changes globe mode.
 * ──────────────────────────────────────────────────────────────────────────── */

:root {
    /* Functionality veil GT ⇄ SG only (REQ-SG-070); ~520ms total under 600ms budget. */
    --social-graph-noise-duration: 260ms;
    --social-graph-noise-easing: cubic-bezier(0.33, 1, 0.45, 1);
    /* Mode title crossfade (REQ-SG-030-06). */
    --sg-title-crossfade-duration: 480ms;
    --sg-title-crossfade-easing: cubic-bezier(0.33, 1, 0.45, 1);
    /* Match Globe Toggle - Standard thumb travel (used by DS notes / tooling). */
    --sg-tri-thumb-easing: cubic-bezier(0.2, 0.9, 0.3, 1.15);
    --sg-tri-thumb-duration: 0.5s;
}

/* Disabled Shortest Path / Cross* checkbox visuals + tooltips: see css/styles.css
 * (`.tracking-tile-controls .control-item.is-disabled` — DS Preview opacity 0.5). */

/* ── Render area layers ─────────────────────────────────────────────────── */

.social-graph-layer {
    position: absolute;
    inset: 0;
    display: none;
    z-index: 900;
    border-radius: var(--radius-sm);
    overflow: hidden;
    opacity: 0;
    /* Delayed so the graph appears while the white noise still covers the square. */
    transition: opacity 200ms ease 180ms;
}

.social-graph-mode .social-graph-layer {
    display: block;
    opacity: 1;
}

/* Cylinder layout: keep the GT WebGL canvas mounted but out of sight. */
.social-graph-mode:not(.social-graph-layout-globe) .globe-container > canvas {
    visibility: hidden;
}

/* Globe layout: show Earth + SG overlay; hide the barrel layer. */
.social-graph-mode.social-graph-layout-globe .social-graph-layer {
    display: none;
    opacity: 0;
}

.social-graph-mode.social-graph-layout-globe .globe-container > canvas {
    visibility: visible;
}

.social-graph-mode .globe-container {
    cursor: default;
}

/* Tri-state view toggle — Globe Toggle - Standard expanded to 3 stops with a
 * single sliding thumb (same travel easing as the 2-state DS toggle). Ghost
 * faces mark Transparent / Realistic / Cylinder; the thumb slides + morphs. */
.sg-tri-toggle {
    display: none;
    cursor: pointer;
    user-select: none;
}

.social-graph-mode .sg-tri-toggle {
    display: inline-block;
}

.social-graph-mode .globe-view-toggle-container > .globe-view-toggle {
    display: none !important;
}

.social-graph-mode .globe-container > .globe-view-toggle-container {
    display: flex;
    /* Inherit GT insets: 8px preview / 20px fullscreen — do not force 20px in-tile. */
}

/* Toggle + zoom stay above the GT⇄SG white-noise veil only while it plays (REQ-SG-070-01b).
   Idle zoom stays at 1000 so the site header (1100) remains above the controls. */
.globe-container:has(> .social-graph-noise.is-playing) > .globe-view-toggle-container,
.globe-container:has(> .social-graph-noise.is-playing) > .globe-inline-zoom {
    z-index: 5000;
}

.sg-tri-toggle__track {
    display: block;
    /*
     * Same height (32px) and stop pitch as Globe Toggle — Standard:
     * knobs at left 2 / 30 / 58 (28px step, matching 2-state 2→30).
     * Width: 2 + 26 + 2 + 26 + 2 + 26 + 2 = 86px.
     */
    width: 86px;
    height: 32px;
    background-color: rgba(44, 76, 107, 0.6);
    border: 1px solid var(--color-academy-blue, #2c4c6b);
    border-radius: 16px;
    position: relative;
    backdrop-filter: blur(4px);
    box-sizing: border-box;
}

/*
 * Tooltip hosts — DS Tooltip Light (same chrome as `.globe-view-toggle[data-tooltip]`
 * and `.globe-zoom-tooltip-host`). Hosts sit outside knob opacity so labels stay opaque.
 * Transparent: left edge flush with the render area (via --globe-chrome-pad-x), matching
 * Sponsors / GT 2-state "Transparent Globe" host. Realistic + Cylinder: centered above stop.
 */
.sg-tri-tooltip-host {
    position: absolute;
    top: 2px;
    width: 26px;
    height: 26px;
    z-index: 1;
    box-sizing: border-box;
}

.sg-tri-tooltip-host--transparent {
    left: 2px;
}

.sg-tri-tooltip-host--realistic {
    left: 30px;
}

.sg-tri-tooltip-host--cylinder {
    left: 58px;
}

.sg-tri-tooltip-host[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    top: auto;
    bottom: 100%;
    margin-bottom: 6px;
    background: var(--color-milk-white);
    color: var(--color-academy-blue);
    border: 1px solid var(--color-academy-blue);
    box-shadow: var(--shadow-sm);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 20000;
}

/* Flush with globe padding box: host is 2px inside the track (= container left). */
.sg-tri-tooltip-host--transparent[data-tooltip]::after {
    left: calc(-1 * var(--globe-chrome-pad-x, 20px) - 2px);
    right: auto;
    transform: translateY(4px);
}

.sg-tri-tooltip-host--realistic[data-tooltip]::after,
.sg-tri-tooltip-host--cylinder[data-tooltip]::after {
    left: 50%;
    right: auto;
    transform: translateX(-50%) translateY(4px);
}

/* Hover only for pointer; keyboard uses :focus-visible (same as zoom hosts).
 * Avoid :focus-within — a mouse click leaves the radio focused and the tip stuck. */
.sg-tri-tooltip-host[data-tooltip]:hover::after,
.sg-tri-tooltip-host[data-tooltip]:has(.sg-tri-toggle__knob:focus-visible)::after {
    opacity: 1;
}

.sg-tri-tooltip-host--transparent[data-tooltip]:hover::after,
.sg-tri-tooltip-host--transparent[data-tooltip]:has(.sg-tri-toggle__knob:focus-visible)::after {
    transform: translateY(0);
}

.sg-tri-tooltip-host--realistic[data-tooltip]:hover::after,
.sg-tri-tooltip-host--realistic[data-tooltip]:has(.sg-tri-toggle__knob:focus-visible)::after,
.sg-tri-tooltip-host--cylinder[data-tooltip]:hover::after,
.sg-tri-tooltip-host--cylinder[data-tooltip]:has(.sg-tri-toggle__knob:focus-visible)::after {
    transform: translateX(-50%) translateY(0);
}

/* Hit targets + dimmed ghost faces at each stop (fill their tooltip host). */
.sg-tri-toggle__knob {
    appearance: none;
    position: absolute;
    inset: 0;
    width: 26px;
    height: 26px;
    padding: 0;
    margin: 0;
    border-radius: 50%;
    cursor: pointer;
    box-sizing: border-box;
    background-size: cover;
    background-position: 0 center;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    opacity: 0.28;
    overflow: hidden;
    transition: opacity 0.25s ease;
    z-index: 1;
    border: 1px solid transparent;
}

.sg-tri-toggle__knob:not(.is-active):hover {
    opacity: 0.5;
}

.sg-tri-toggle__knob:focus-visible {
    outline: 2px solid var(--color-caribbean-turquoise, #66bfbf);
    outline-offset: 1px;
    opacity: 0.7;
    z-index: 3;
}

.sg-tri-toggle__knob--transparent {
    background-color: #1a2b3c;
    border-color: rgba(167, 211, 180, 0.45);
    background-image: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent);
}

.sg-tri-toggle__knob--transparent::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background-image:
        linear-gradient(rgba(167, 211, 180, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(167, 211, 180, 0.3) 1px, transparent 1px);
    background-size: 6px 6px;
    opacity: 0.8;
    pointer-events: none;
}

.sg-tri-toggle__knob--realistic {
    background-image: url('https://raw.githubusercontent.com/mrdoob/three.js/master/examples/textures/planets/earth_atmos_2048.jpg');
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.25);
}

.sg-tri-toggle__knob--cylinder {
    background-color: #1a2b3c;
    border-color: rgba(167, 211, 180, 0.45);
    background-image: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15), transparent);
    color: rgba(167, 211, 180, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Sliding thumb — same size / easing / travel as Globe Toggle - Standard. */
.sg-tri-toggle__thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    box-sizing: border-box;
    /* overflow lives on faces so the gold hover ring is not clipped */
    pointer-events: none;
    z-index: 2;
    border: 1px solid rgba(167, 211, 180, 0.6);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    /* Match `.globe-view-toggle .toggle-thumb` exactly — `all` so `left` slides smoothly. */
    transition: all 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.15);
}

.sg-tri-toggle__track[data-pos="0"] .sg-tri-toggle__thumb {
    left: 2px;
}

.sg-tri-toggle__track[data-pos="1"] .sg-tri-toggle__thumb {
    left: 30px;
    border-color: rgba(255, 255, 255, 0.3);
}

.sg-tri-toggle__track[data-pos="2"] .sg-tri-toggle__thumb {
    left: 58px;
}

/* Active-thumb chrome + pan animations only when hovering the active stop knob
 * (not the whole toggle kit / inactive ghosts). */
.sg-tri-toggle__track:has(.sg-tri-toggle__knob.is-active:hover) .sg-tri-toggle__thumb {
    transform: scale(1.15);
    border-color: var(--color-goldenrod-yellow, #d9b611);
    box-shadow: 0 0 0 2px rgba(217, 182, 17, 0.2), 0 2px 4px rgba(0, 0, 0, 0.5);
}

.sg-tri-toggle__thumb-face {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    opacity: 0;
    overflow: hidden;
    transition: opacity 0.2s ease;
    background-size: cover;
    background-position: 0 center;
    box-sizing: border-box;
}

.sg-tri-toggle__thumb[data-face="transparent"] .sg-tri-toggle__thumb-face--transparent,
.sg-tri-toggle__thumb[data-face="realistic"] .sg-tri-toggle__thumb-face--realistic,
.sg-tri-toggle__thumb[data-face="cylinder"] .sg-tri-toggle__thumb-face--cylinder {
    opacity: 1;
}

.sg-tri-toggle__thumb-face--transparent {
    background-color: #1a2b3c;
    background-image: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent);
}

.sg-tri-toggle__thumb-face--transparent::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background-image:
        linear-gradient(rgba(167, 211, 180, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(167, 211, 180, 0.3) 1px, transparent 1px);
    background-size: 6px 6px;
    opacity: 0.8;
}

.sg-tri-toggle__thumb-face--transparent::after,
.sg-tri-toggle__thumb-face--realistic::after,
.sg-tri-toggle__thumb-face--cylinder::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    box-shadow: inset -2px -2px 4px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

.sg-tri-toggle__thumb-face--realistic {
    background-image: url('https://raw.githubusercontent.com/mrdoob/three.js/master/examples/textures/planets/earth_atmos_2048.jpg');
    background-color: transparent;
}

.sg-tri-toggle__thumb-face--cylinder {
    background-color: #1a2b3c;
    background-image: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15), transparent);
    color: rgba(167, 211, 180, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sg-tri-toggle__track:has(.sg-tri-toggle__knob.is-active:hover)
.sg-tri-toggle__thumb[data-face="transparent"] .sg-tri-toggle__thumb-face--transparent::before {
    animation: sg-tri-pan-grid 0.8s linear infinite;
}

.sg-tri-toggle__track:has(.sg-tri-toggle__knob.is-active:hover)
.sg-tri-toggle__thumb[data-face="realistic"] .sg-tri-toggle__thumb-face--realistic {
    animation: sg-tri-pan-realistic 4s linear infinite;
}

.sg-tri-toggle__track:has(.sg-tri-toggle__knob.is-active:hover)
.sg-tri-toggle__thumb[data-face="cylinder"] .sg-cyl-icon__roll {
    animation: sg-cyl-roll-stripes 0.7s linear infinite;
}

@keyframes sg-tri-pan-realistic {
    from { background-position: 0 center; }
    to { background-position: 52px center; }
}

@keyframes sg-tri-pan-grid {
    from { background-position: 0 0, 0 0; }
    to { background-position: 6px 0, 6px 0; }
}

@keyframes sg-cyl-roll-stripes {
    from { background-position: center 0; }
    to { background-position: center 10px; }
}

@media (prefers-reduced-motion: reduce) {
    /* Keep thumb travel — 2-state Globe Toggle does not kill `left` under reduced motion.
     * Only disable decorative pan / stripe loops. */
    .sg-tri-toggle__track:has(.sg-tri-toggle__knob.is-active:hover)
    .sg-tri-toggle__thumb[data-face="transparent"] .sg-tri-toggle__thumb-face--transparent::before,
    .sg-tri-toggle__track:has(.sg-tri-toggle__knob.is-active:hover)
    .sg-tri-toggle__thumb[data-face="realistic"] .sg-tri-toggle__thumb-face--realistic,
    .sg-tri-toggle__track:has(.sg-tri-toggle__knob.is-active:hover)
    .sg-tri-toggle__thumb[data-face="cylinder"] .sg-cyl-icon__roll {
        animation: none;
    }
}

/*
 * Recognizable side-lying barrel: bright outline + striped body.
 * Hover scrolls the stripes (roll around the long axis) — stays clipped in the face.
 */
.sg-cyl-icon {
    width: 16px;
    height: 11px;
    display: block;
    position: relative;
    z-index: 1;
    pointer-events: none;
    flex-shrink: 0;
}

.sg-cyl-icon__roll {
    position: absolute;
    left: 3px;
    right: 3px;
    top: 1px;
    bottom: 1px;
    border-radius: 1px;
    background-image: repeating-linear-gradient(
        180deg,
        rgba(167, 211, 180, 0.95) 0 2px,
        rgba(26, 43, 60, 0.2) 2px 5px,
        rgba(102, 191, 191, 0.75) 5px 7px,
        rgba(26, 43, 60, 0.25) 7px 10px
    );
    background-size: 100% 10px;
    background-position: center 0;
    opacity: 0.9;
    clip-path: ellipse(100% 48% at 50% 50%);
}

.sg-cyl-icon__outline {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    overflow: visible;
}

.sg-cyl-icon__outline ellipse,
.sg-cyl-icon__outline path {
    fill: none;
    stroke: rgba(167, 211, 180, 0.98);
    stroke-width: 1.6;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

/* Zoom stays available in both SG layouts (REQ-SG-040-04). */
.social-graph-mode .globe-inline-zoom {
    display: flex;
}

/* SG reuses GT `.globe-tooltip` for person-name plate hover (REQ-SG-082). */

/* Preview SG: Details stay off until Tap to Expand (REQ-SG-030-02 / REQ-SG-090-01). */
.tracking-tile.globe-section:not(.zoomed) .social-graph-panel,
.tracking-tile.globe-section:not(.zoomed) #social-graph-panel-1,
.tracking-tile.globe-section:not(.zoomed) #social-graph-panel-2 {
    display: none !important;
}

/* ── White-noise transition — GT ⇄ SG only (REQ-SG-070) ───────────────── */

.social-graph-noise {
    position: absolute;
    inset: 0;
    z-index: 1200;
    opacity: 0;
    pointer-events: none;
    border-radius: var(--radius-sm);
    background-color: #000;
    overflow: hidden;
}

/* Fine grain */
.social-graph-noise::before,
.social-graph-noise::after {
    content: "";
    position: absolute;
    inset: -20%;
    pointer-events: none;
    background-repeat: repeat;
    mix-blend-mode: screen;
}

.social-graph-noise::before {
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"%3E%3Cfilter id="n"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="4" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23n)"/%3E%3C/svg%3E');
    background-size: 140px 140px;
    opacity: 0.85;
}

/* Coarser grain for depth */
.social-graph-noise::after {
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"%3E%3Cfilter id="n"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.45" numOctaves="2" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23n)"/%3E%3C/svg%3E');
    background-size: 220px 220px;
    opacity: 0.55;
}

.social-graph-noise.is-playing {
    animation: social-graph-noise-fade calc(var(--social-graph-noise-duration) * 2) var(--social-graph-noise-easing) forwards;
}

.social-graph-noise.is-playing::before {
    animation: social-graph-noise-drift-fine 90ms linear infinite;
}

.social-graph-noise.is-playing::after {
    animation: social-graph-noise-drift-coarse 140ms linear infinite;
}

@keyframes social-graph-noise-fade {
    0% { opacity: 0; }
    14% { opacity: 1; }
    72% { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes social-graph-noise-drift-fine {
    0% { transform: translate(0, 0); }
    25% { transform: translate(3%, -2%); }
    50% { transform: translate(-4%, 3%); }
    75% { transform: translate(2%, 4%); }
    100% { transform: translate(0, 0); }
}

@keyframes social-graph-noise-drift-coarse {
    0% { transform: translate(0, 0); }
    33% { transform: translate(-2%, 3%); }
    66% { transform: translate(3%, -2%); }
    100% { transform: translate(0, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .social-graph-noise.is-playing {
        animation: social-graph-noise-fade calc(var(--social-graph-noise-duration) * 2) ease forwards;
    }

    .social-graph-noise.is-playing::before,
    .social-graph-noise.is-playing::after {
        animation: none;
    }

    .social-graph-layer {
        transition: none;
    }
}

/* ── WebGL barrel network (REQ-SG-080) ─────────────────────────────────── */

.sg-canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: grab;
    touch-action: none;
}

.sg-canvas:active {
    cursor: grabbing;
}

.sg-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--space-md);
    text-align: center;
}

.sg-empty .text {
    color: var(--color-milk-white);
}

/* ── Social Graph Details panel (REQ-SG-090) ─────────────────────────────
 * Parity with Global Tracking Letter Details DS shell (rounded card, milk-white
 * body). Chain Details rules are ID-scoped to #chain-details-panel-*; mirror
 * them here for #social-graph-panel-* without touching protected styles.css.
 */

.tracking-tile.globe-section.zoomed .globe-frame-content.has-panel #social-graph-panel-1.chain-details-panel.visible,
.tracking-tile.globe-section.zoomed .globe-frame-content.has-panel #social-graph-panel-2.chain-details-panel.visible {
    align-self: stretch;
    justify-self: stretch;
    width: 100%;
    height: 100%;
    min-width: 0;
    max-width: none;
    box-sizing: border-box;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-sandsel-beige);
    box-shadow: var(--shadow-panel-data) !important;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
}

#target1TrackingFrame.globe-section.zoomed #social-graph-panel-1.chain-details-panel.visible .chain-details-content.panel-body,
#target2TrackingFrame.globe-section.zoomed #social-graph-panel-2.chain-details-panel.visible .chain-details-content.panel-body {
    /* X = outer inset; Y = between cards (parity with Chain Details). */
    --details-inset-x: 16px;
    --details-stack-gap-y: 12px;
    flex: 1 1 0;
    min-height: 0;
    max-height: none;
    overflow-x: hidden;
    overflow-y: auto;
    padding: var(--details-inset-x);
    /* Keep content width stable when Shortest Path merge/split changes scroll need. */
    scrollbar-gutter: stable;
    background-color: var(--color-milk-white);
}

#target1TrackingFrame.globe-section.zoomed #social-graph-panel-1.chain-details-panel.visible .chain-details-header.panel-header--sky,
#target2TrackingFrame.globe-section.zoomed #social-graph-panel-2.chain-details-panel.visible .chain-details-header.panel-header--sky {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px 20px;
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
}

#target1TrackingFrame.globe-section.zoomed #social-graph-panel-1.chain-details-panel.visible .chain-details-header .heading--panel-data,
#target1TrackingFrame.globe-section.zoomed #social-graph-panel-1.chain-details-panel.visible .chain-details-header h4,
#target2TrackingFrame.globe-section.zoomed #social-graph-panel-2.chain-details-panel.visible .chain-details-header .heading--panel-data,
#target2TrackingFrame.globe-section.zoomed #social-graph-panel-2.chain-details-panel.visible .chain-details-header h4 {
    width: 100%;
    text-align: center;
}

#target1TrackingFrame.globe-section.zoomed .globe-frame-content #social-graph-panel-1.chain-details-panel.visible:not(.tracking-chain-panel--entrance-done),
#target2TrackingFrame.globe-section.zoomed .globe-frame-content #social-graph-panel-2.chain-details-panel.visible:not(.tracking-chain-panel--entrance-done) {
    animation: sponsors-panel-roll-out-tb 0.55s cubic-bezier(0.22, 1, 0.36, 1) var(--duration-crt-power-on) both;
    will-change: clip-path;
}

#target1TrackingFrame.globe-section.zoomed .globe-frame-content #social-graph-panel-1.chain-details-panel.visible.tracking-chain-panel--entrance-done,
#target2TrackingFrame.globe-section.zoomed .globe-frame-content #social-graph-panel-2.chain-details-panel.visible.tracking-chain-panel--entrance-done {
    animation: none !important;
    clip-path: none !important;
    -webkit-clip-path: none !important;
    will-change: auto;
}

/*
 * GT ⇄ SG mode swap while already fullscreen: skip CRT power-on delay
 * (Sponsors slot/checkout swap does the same with animation-delay: 0).
 * Tap to Expand still uses --duration-crt-power-on above.
 * Full shorthand override (not only delay) so clearing the swap class after
 * entrance-done cannot retarget a delayed animation.
 */
#target1TrackingFrame.globe-section.zoomed .globe-frame-content.globe-frame-content--sg-mode-swap #social-graph-panel-1.chain-details-panel.visible:not(.tracking-chain-panel--entrance-done),
#target2TrackingFrame.globe-section.zoomed .globe-frame-content.globe-frame-content--sg-mode-swap #social-graph-panel-2.chain-details-panel.visible:not(.tracking-chain-panel--entrance-done),
#target1TrackingFrame.globe-section.zoomed .globe-frame-content.globe-frame-content--sg-mode-swap #chain-details-panel-1.chain-details-panel.visible:not(.tracking-chain-panel--entrance-done),
#target2TrackingFrame.globe-section.zoomed .globe-frame-content.globe-frame-content--sg-mode-swap #chain-details-panel-2.chain-details-panel.visible:not(.tracking-chain-panel--entrance-done) {
    animation: sponsors-panel-roll-out-tb 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@media (prefers-reduced-motion: reduce) {
    #target1TrackingFrame.globe-section.zoomed .globe-frame-content #social-graph-panel-1.chain-details-panel.visible,
    #target2TrackingFrame.globe-section.zoomed .globe-frame-content #social-graph-panel-2.chain-details-panel.visible {
        animation: none !important;
        clip-path: none !important;
        -webkit-clip-path: none !important;
        will-change: auto !important;
    }
}

.social-graph-note {
    margin-top: var(--space-sm);
}

/*
 * Letter ID All + no person selected: hint card (Support pitch-card language)
 * + person / location legend (REQ-SG-090-02).
 */
#social-graph-panel-1 .social-graph-empty,
#social-graph-panel-2 .social-graph-empty {
    display: flex;
    flex-direction: column;
    /* Y only — outer X comes from panel-body padding (REQ-SG-090). */
    gap: var(--details-stack-gap-y, 12px);
    padding: 0;
    box-sizing: border-box;
}

#social-graph-panel-1 .social-graph-empty > .hop-item:last-child,
#social-graph-panel-2 .social-graph-empty > .hop-item:last-child {
    margin-bottom: 0;
}

#social-graph-panel-1 .social-graph-hint-card,
#social-graph-panel-2 .social-graph-hint-card {
    background: linear-gradient(165deg, var(--color-milk-white) 0%, rgba(102, 191, 191, 0.28) 100%);
    border: 1px solid var(--color-caribbean-turquoise);
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 4px rgba(44, 76, 107, 0.07);
    padding: 14px 16px;
    box-sizing: border-box;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#social-graph-panel-1 .social-graph-hint-card:hover,
#social-graph-panel-2 .social-graph-hint-card:hover {
    /* DS §14 Data Card hover */
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(44, 76, 107, 0.12);
}

#social-graph-panel-1 .social-graph-hint-card__text,
#social-graph-panel-2 .social-graph-hint-card__text {
    margin: 0;
    /* Text only — match Chain Details `.gt-chain-hint-card__text` cascade (REQ-SG-090-02). */
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.45;
    color: var(--color-academy-blue);
}

/*
 * Legend — DS §14 Data Card — Standard (`hop-item card card--hop` + `hop-header` +
 * `hop-details`). Reuses SG panel `.hop-item` chrome (incl. Vintage Rose header
 * separator via global `.hop-header`). Only list / title layout is scoped here.
 */
#social-graph-panel-1 .hop-item.social-graph-legend,
#social-graph-panel-2 .hop-item.social-graph-legend {
    /* No chain-rail badge clearance; empty-state flex gap handles spacing. */
    padding-bottom: 12px;
    margin-bottom: 0;
}

#social-graph-panel-1 .social-graph-legend__header.hop-header,
#social-graph-panel-2 .social-graph-legend__header.hop-header {
    justify-content: center;
    /* Title color from `.heading--subgroup` (goldenrod) — parity with GT Chain Details Legend */
    /* Match .hop-item top padding (12px) so Legend sits centered above the separator. */
    padding-bottom: 12px;
}

#social-graph-panel-1 .social-graph-legend__title,
#social-graph-panel-2 .social-graph-legend__title {
    margin: 0;
    width: 100%;
    text-align: center;
}

#social-graph-panel-1 .social-graph-legend__body.hop-details,
#social-graph-panel-2 .social-graph-legend__body.hop-details {
    gap: 0;
}

#social-graph-panel-1 .social-graph-legend__list,
#social-graph-panel-2 .social-graph-legend__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#social-graph-panel-1 .social-graph-legend__row,
#social-graph-panel-2 .social-graph-legend__row {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 28px;
}

#social-graph-panel-1 .social-graph-legend__swatch,
#social-graph-panel-2 .social-graph-legend__swatch {
    flex: 0 0 32px;
    width: 32px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

#social-graph-panel-1 .social-graph-legend__sil,
#social-graph-panel-2 .social-graph-legend__sil {
    width: 28px;
    height: 28px;
    display: block;
    object-fit: contain;
}

#social-graph-panel-1 .social-graph-legend__sil-fallback,
#social-graph-panel-2 .social-graph-legend__sil-fallback {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    box-sizing: border-box;
    /* Match Known/Unknown Location spot ring (REQ-SG-090-02). */
    border: 1.5px solid var(--sg-legend-icon-stroke);
    background: var(--color-wimbledon-white);
}

#social-graph-panel-1 .social-graph-legend__label,
#social-graph-panel-2 .social-graph-legend__label {
    flex: 1 1 auto;
    min-width: 0;
    color: var(--color-academy-blue);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.3;
    text-align: center;
}

/*
 * Legend icon stroke — shared Academy Blue tint (not raw #2c4c6b, which
 * reads near-black at 2–3px on cream). Same hex as silhouette canvas stroke.
 */
#social-graph-panel-1 .social-graph-legend,
#social-graph-panel-2 .social-graph-legend {
    --sg-legend-icon-stroke: #6b8499;
}

/* Flat disc = known; lit sphere = unknown (shape language in white).
 * On-globe fills use role colors (REQ-SG-082-08b); Legend swatches stay Wimbledon. */
#social-graph-panel-1 .social-graph-legend-spot,
#social-graph-panel-2 .social-graph-legend-spot {
    display: block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    box-sizing: border-box;
    border: 1.5px solid var(--sg-legend-icon-stroke);
    background: var(--color-wimbledon-white);
}

#social-graph-panel-1 .social-graph-legend-spot--elevated,
#social-graph-panel-2 .social-graph-legend-spot--elevated {
    background:
        radial-gradient(
            circle at 30% 26%,
            #ffffff 0%,
            var(--color-wimbledon-white) 40%,
            #d4d0c2 70%,
            #b8b4a6 100%
        );
    box-shadow:
        inset -2px -2px 3px rgba(44, 76, 107, 0.22),
        inset 1.5px 1.5px 2.5px rgba(255, 255, 255, 0.95);
}

/* Participant card header: Participant Name badge + gender icon; Handshake # below name. */
#social-graph-panel-1 .social-graph-person-card__header,
#social-graph-panel-2 .social-graph-person-card__header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
}

#social-graph-panel-1 .social-graph-person-card__header-main,
#social-graph-panel-2 .social-graph-person-card__header-main {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
}

#social-graph-panel-1 .social-graph-person-card__header-handshake,
#social-graph-panel-2 .social-graph-person-card__header-handshake {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
}

#social-graph-panel-1 .social-graph-person-card__header-main .demo-badge-participant-name,
#social-graph-panel-2 .social-graph-person-card__header-main .demo-badge-participant-name {
    flex: 0 1 auto;
    min-width: 0;
    max-width: calc(100% - 40px);
}

#social-graph-panel-1 .social-graph-person-card__header-main .sg-gender-icon,
#social-graph-panel-2 .social-graph-person-card__header-main .sg-gender-icon {
    margin-left: auto;
}

#social-graph-panel-1 .sg-gender-icon,
#social-graph-panel-2 .sg-gender-icon {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-left: auto;
    /* Square host so hover / focus ring frames the centered bust (not a circle). */
    border-radius: var(--radius-sm, 4px);
    cursor: default;
    color: var(--color-academy-blue);
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

/*
 * Gender Tooltip Light — sit to the left of the icon (not below/above).
 * Above clips under the sticky panel header; below crowded the hop badges.
 */
#social-graph-panel-1 .sg-gender-icon.demo-tooltip-host::after,
#social-graph-panel-2 .sg-gender-icon.demo-tooltip-host::after {
    top: 50%;
    bottom: auto;
    left: auto;
    right: calc(100% + 8px);
    transform: translateY(-50%) translateX(4px);
    z-index: 10050;
}

#social-graph-panel-1 .sg-gender-icon.demo-tooltip-host:hover::after,
#social-graph-panel-1 .sg-gender-icon.demo-tooltip-host:focus-visible::after,
#social-graph-panel-2 .sg-gender-icon.demo-tooltip-host:hover::after,
#social-graph-panel-2 .sg-gender-icon.demo-tooltip-host:focus-visible::after {
    transform: translateY(-50%) translateX(0);
}

#social-graph-panel-1 .sg-gender-icon:hover,
#social-graph-panel-1 .sg-gender-icon:focus-visible,
#social-graph-panel-2 .sg-gender-icon:hover,
#social-graph-panel-2 .sg-gender-icon:focus-visible {
    transform: scale(1.12);
    box-shadow: 0 0 0 2px rgba(102, 191, 191, 0.35);
    outline: none;
}

#social-graph-panel-1 .sg-gender-icon__img,
#social-graph-panel-2 .sg-gender-icon__img {
    width: 28px;
    height: 28px;
    display: block;
    object-fit: contain;
    pointer-events: none;
}

#social-graph-panel-1 .sg-gender-icon__fallback,
#social-graph-panel-2 .sg-gender-icon__fallback {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-academy-blue);
}

@media (prefers-reduced-motion: reduce) {
    #social-graph-panel-1 .sg-gender-icon,
    #social-graph-panel-2 .sg-gender-icon {
        transition: none;
    }

    #social-graph-panel-1 .sg-gender-icon:hover,
    #social-graph-panel-1 .sg-gender-icon:focus-visible,
    #social-graph-panel-2 .sg-gender-icon:hover,
    #social-graph-panel-2 .sg-gender-icon:focus-visible {
        transform: none;
    }
}

/* Participant Name — Sponsor Name parity (name-only, wrap up to 120 chars). */
#social-graph-panel-1 .demo-badge.demo-badge-info.demo-badge-participant-name,
#social-graph-panel-2 .demo-badge.demo-badge-info.demo-badge-participant-name {
    min-width: 0;
    max-width: 100%;
    width: fit-content;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    justify-content: center;
    text-align: center;
    align-items: center;
    line-height: 1.35;
    flex-wrap: wrap;
    box-sizing: border-box;
}

/* MSWE-153 — undisclosed Name placeholder (italic, Support Anonymous parity). */
#social-graph-panel-1 .demo-badge.demo-badge-info.demo-badge-participant-name.demo-badge-participant-name--anonymous,
#social-graph-panel-2 .demo-badge.demo-badge-info.demo-badge-participant-name.demo-badge-participant-name--anonymous,
#social-graph-panel-1 .demo-badge.demo-badge-info.demo-badge-participant-name.demo-badge-participant-name--anonymous strong,
#social-graph-panel-2 .demo-badge.demo-badge-info.demo-badge-participant-name.demo-badge-participant-name--anonymous strong {
    font-style: italic;
}

#social-graph-panel-1 .demo-badge.demo-badge-info.demo-badge-participant-name strong,
#social-graph-panel-2 .demo-badge.demo-badge-info.demo-badge-participant-name strong {
    min-width: 0;
    max-width: 100%;
    display: inline-block;
    text-align: center;
}

/* Handshake # — same widths as Hop #. */
#social-graph-panel-1 .demo-badge-info.demo-badge-handshake-num,
#social-graph-panel-2 .demo-badge-info.demo-badge-handshake-num {
    min-width: 100px;
}

#social-graph-panel-1 .demo-badge-compact.demo-badge-info.demo-badge-handshake-num,
#social-graph-panel-2 .demo-badge-compact.demo-badge-info.demo-badge-handshake-num {
    min-width: 80px;
}

/* Letter Badge - Standard (All-mode hop meta row). */
#social-graph-panel-1 .demo-badge.demo-badge-info.demo-badge-letter-id,
#social-graph-panel-2 .demo-badge.demo-badge-info.demo-badge-letter-id {
    min-width: 0;
    width: fit-content;
    max-width: 100%;
}

/*
 * All-mode Letter Badge row (Handshake # is in the card header or occurrence lead row).
 */
#social-graph-panel-1 .social-graph-occurrence-block__meta,
#social-graph-panel-2 .social-graph-occurrence-block__meta {
    width: 100%;
    flex-wrap: nowrap;
    gap: 8px;
}

#social-graph-panel-1 .social-graph-occurrence-block__handshake,
#social-graph-panel-2 .social-graph-occurrence-block__handshake {
    width: 100%;
}

/*
 * Hop sections inside participant cards — flat like Chain Details hop-details
 * (no nested “card-in-card” inset). Multi-hop cards use a hairline divider only.
 */
#social-graph-panel-1 .social-graph-occurrence-list,
#social-graph-panel-2 .social-graph-occurrence-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

#social-graph-panel-1 .social-graph-occurrence-block,
#social-graph-panel-2 .social-graph-occurrence-block {
    display: flex;
    flex-direction: column;
    /* Role / RETURN / Handshake / Hop badge rows need breathing room (not flush). */
    gap: 8px;
    padding: 0;
    margin: 0;
    border: none;
    border-radius: 0;
    background: transparent;
}

#social-graph-panel-1 .social-graph-occurrence-list > .social-graph-occurrence-block + .social-graph-occurrence-block,
#social-graph-panel-2 .social-graph-occurrence-list > .social-graph-occurrence-block + .social-graph-occurrence-block {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-sandsel-beige);
}

/* Cross-chain footer at bottom of participant card (not a custom marker badge). */
#social-graph-panel-1 .social-graph-cross-chain-footer,
#social-graph-panel-2 .social-graph-cross-chain-footer {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-sandsel-beige);
    display: flex;
    flex-direction: column;
    /* Lead → refs and multi-ref stack — match Details 12px badge rhythm. */
    gap: 12px;
}

#social-graph-panel-1 .social-graph-cross-chain-footer__lead,
#social-graph-panel-2 .social-graph-cross-chain-footer__lead {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--color-text-muted);
    font-weight: 500;
}

#social-graph-panel-1 .social-graph-cross-chain-footer__ref,
#social-graph-panel-2 .social-graph-cross-chain-footer__ref {
    display: flex;
    flex-direction: column;
    /* Chain Name → Letter ID / Hop # row. */
    gap: 12px;
}

#social-graph-panel-1 .social-graph-cross-chain-footer__ref + .social-graph-cross-chain-footer__ref,
#social-graph-panel-2 .social-graph-cross-chain-footer__ref + .social-graph-cross-chain-footer__ref {
    margin-top: 0;
    padding-top: 12px;
    border-top: 1px solid var(--color-sandsel-beige);
}

#social-graph-panel-1 .social-graph-cross-chain-footer__meta,
#social-graph-panel-2 .social-graph-cross-chain-footer__meta {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 12px;
}

#social-graph-panel-1 .social-graph-cross-chain-footer__hop,
#social-graph-panel-2 .social-graph-cross-chain-footer__hop {
    /* Sit beside Letter ID with gap (do not push to the trailing edge). */
    margin-left: 0;
}

/* Cross-target subsection — Accent Pink border/text (REQ-SG-090). */
#social-graph-panel-1 .social-graph-cross-chain-footer--cross-target,
#social-graph-panel-2 .social-graph-cross-chain-footer--cross-target {
    border-top-color: rgba(230, 168, 183, 0.55);
}

#social-graph-panel-1 .social-graph-cross-chain-footer--cross-target .social-graph-cross-chain-footer__lead,
#social-graph-panel-2 .social-graph-cross-chain-footer--cross-target .social-graph-cross-chain-footer__lead {
    color: var(--color-accent-pink, #e6a8b7);
}

#social-graph-panel-1 .demo-badge.demo-badge-cross-target,
#social-graph-panel-2 .demo-badge.demo-badge-cross-target {
    border: 1px solid var(--color-accent-pink, #e6a8b7);
    color: var(--color-accent-pink, #e6a8b7);
    background: rgba(230, 168, 183, 0.12);
}

#social-graph-panel-1 .demo-badge.demo-badge-cross-target strong,
#social-graph-panel-2 .demo-badge.demo-badge-cross-target strong {
    color: inherit;
}

/* Cross-target footer refs: info badge chrome; only value after ":" is pink. */
#social-graph-panel-1 .social-graph-cross-chain-footer__ref--cross-target .demo-badge strong,
#social-graph-panel-2 .social-graph-cross-chain-footer__ref--cross-target .demo-badge strong {
    color: var(--color-accent-pink, #e6a8b7);
}

#social-graph-panel-1 .social-graph-occurrence-block__header,
#social-graph-panel-2 .social-graph-occurrence-block__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

/*
 * Shortest Path Letter-deck merge / split (REQ-SG-063-03).
 * FLIP + ghost gather/exit — ~450ms, same easing family as GT hop-chain-deal-in.
 * Panel clips absolute ghosts so they cannot grow `.globe-section.zoomed` scrollports.
 */
#social-graph-panel-1-content.sg-panel--deck-animating,
#social-graph-panel-2-content.sg-panel--deck-animating {
    position: relative;
    /* Keep overflow-y + gutter — `hidden` would drop the scrollbar and shift panel width. */
    overflow-x: hidden;
    overflow-y: auto;
}

#social-graph-panel-1 .social-graph-person-deck.sg-deck--animating,
#social-graph-panel-2 .social-graph-person-deck.sg-deck--animating {
    pointer-events: none;
    overflow: hidden;
}

#social-graph-panel-1 .social-graph-person-deck.sg-deck--animating .social-graph-person-card,
#social-graph-panel-2 .social-graph-person-deck.sg-deck--animating .social-graph-person-card {
    will-change: transform, opacity;
}

#social-graph-panel-1 .sg-deck-ghost,
#social-graph-panel-2 .sg-deck-ghost {
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(44, 76, 107, 0.14);
    transition:
        transform 450ms cubic-bezier(0.22, 1, 0.36, 1),
        opacity 320ms ease;
}

#social-graph-panel-1 .sg-deck-ghost.sg-deck-ghost--exit,
#social-graph-panel-2 .sg-deck-ghost.sg-deck-ghost--exit {
    opacity: 0;
    transform: translateY(-10px) scale(0.96);
}

#social-graph-panel-1 .sg-deck-card--enter,
#social-graph-panel-2 .sg-deck-card--enter {
    animation: sg-deck-card-enter 450ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes sg-deck-card-enter {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    #social-graph-panel-1 .sg-deck-ghost,
    #social-graph-panel-2 .sg-deck-ghost,
    #social-graph-panel-1 .sg-deck-card--enter,
    #social-graph-panel-2 .sg-deck-card--enter {
        transition: none !important;
        animation: none !important;
    }
}

/*
 * Letter-deck cards are clickable (card → graph selection, REQ-SG-063-03).
 */
#social-graph-panel-1 .social-graph-person-deck .social-graph-person-card,
#social-graph-panel-2 .social-graph-person-deck .social-graph-person-card {
    cursor: pointer;
}

/*
 * Graph selection → participant card: golden frame (same language as DS focus /
 * Sponsors draft-slot highlight — --color-goldenrod-yellow + soft gold ring).
 * Higher specificity than .hop-item.originator / .dead-hop so role chrome yields.
 */
#social-graph-panel-1 .hop-item.social-graph-person-card.is-highlighted,
#social-graph-panel-2 .hop-item.social-graph-person-card.is-highlighted {
    border-width: 2.5px;
    border-color: var(--color-goldenrod-yellow);
    border-left-width: 4px;
    border-left-color: var(--color-goldenrod-yellow);
    box-shadow:
        0 0 0 3px rgba(217, 182, 17, 0.4),
        0 0 0 6px rgba(217, 182, 17, 0.14),
        0 2px 12px rgba(44, 76, 107, 0.14);
    outline: none;
    z-index: 2;
}

/* Hop cards / rail — same refined Chain Details treatment (ID-scoped there). */
#social-graph-panel-1 .hop-item.chain-summary-card,
#social-graph-panel-2 .hop-item.chain-summary-card {
    padding-bottom: 12px;
    margin-bottom: var(--details-stack-gap-y, 12px);
    background: var(--color-wimbledon-white);
    border: 1.5px solid var(--color-sandsel-beige);
    border-radius: 6px;
    box-shadow: none;
}

#social-graph-panel-1 .chain-summary-card .hop-header.chain-summary-card__header,
#social-graph-panel-2 .chain-summary-card .hop-header.chain-summary-card__header {
    width: 100%;
    box-sizing: border-box;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    /* Match .hop-item top padding (12px) so Letter ID / status sit centered above the separator. */
    padding-bottom: 12px;
    /* Match card padding-bottom (12px) so Chain Name sits centered below the separator. */
    margin-bottom: 12px;
}

#social-graph-panel-1 .chain-summary-card__letter,
#social-graph-panel-2 .chain-summary-card__letter {
    flex: 0 1 auto;
    min-width: 0;
}

#social-graph-panel-1 .chain-summary-card__status,
#social-graph-panel-2 .chain-summary-card__status {
    flex: 0 0 auto;
    margin-left: auto;
}

#social-graph-panel-1 .chain-summary-card__body,
#social-graph-panel-2 .chain-summary-card__body {
    padding-top: 0;
}

#social-graph-panel-1 .chain-summary-card__name,
#social-graph-panel-2 .chain-summary-card__name {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    margin: 0;
}

/*
 * DS badge parity — Chain Details colors are ID-scoped to #chain-details-panel-*.
 * Mirror onto Social Graph Details so Terminated / Verified / hop role chips match.
 */
#social-graph-panel-1 .demo-badge,
#social-graph-panel-2 .demo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 3px 12px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
    text-transform: none;
    letter-spacing: normal;
    line-height: normal;
}

#social-graph-panel-1 .demo-badge strong,
#social-graph-panel-2 .demo-badge strong {
    font-weight: 700;
    color: var(--color-caribbean-turquoise);
}

#social-graph-panel-1 .demo-badge-compact,
#social-graph-panel-2 .demo-badge-compact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 2px 10px;
    border-radius: 14px;
    border: 1px solid var(--color-border);
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
    text-transform: none;
    letter-spacing: normal;
    line-height: normal;
}

#social-graph-panel-1 .demo-badge-compact strong,
#social-graph-panel-2 .demo-badge-compact strong {
    font-weight: 700;
    color: var(--color-caribbean-turquoise);
}

#social-graph-panel-1 .demo-badge-info,
#social-graph-panel-2 .demo-badge-info {
    background: #eef6ff;
    color: var(--color-academy-blue);
    min-width: 150px;
}

#social-graph-panel-1 .chain-summary-card .demo-badge-info.chain-summary-card__letter,
#social-graph-panel-2 .chain-summary-card .demo-badge-info.chain-summary-card__letter {
    min-width: 0;
    width: fit-content;
    max-width: 100%;
}

#social-graph-panel-1 .demo-badge-info.demo-badge-hop-num,
#social-graph-panel-2 .demo-badge-info.demo-badge-hop-num {
    min-width: 100px;
}

#social-graph-panel-1 .demo-badge-compact.demo-badge-info,
#social-graph-panel-2 .demo-badge-compact.demo-badge-info {
    background: #eef6ff;
    color: var(--color-academy-blue);
    min-width: 120px;
}

#social-graph-panel-1 .demo-badge-compact.demo-badge-info.demo-badge-hop-num,
#social-graph-panel-2 .demo-badge-compact.demo-badge-info.demo-badge-hop-num {
    min-width: 80px;
}

#social-graph-panel-1 .demo-badge-verified,
#social-graph-panel-2 .demo-badge-verified {
    background: var(--color-seafoam-mint);
    color: var(--color-academy-blue);
    min-width: 120px;
}

#social-graph-panel-1 .demo-badge-unverified,
#social-graph-panel-2 .demo-badge-unverified {
    background: var(--color-milk-white);
    color: var(--color-academy-blue);
    min-width: 120px;
}

#social-graph-panel-1 .demo-badge-terminated,
#social-graph-panel-2 .demo-badge-terminated {
    background: var(--color-rangoon-red);
    color: var(--color-milk-white);
    min-width: 120px;
}

#social-graph-panel-1 .demo-badge-terminated strong,
#social-graph-panel-2 .demo-badge-terminated strong {
    color: inherit;
}

#social-graph-panel-1 .demo-badge-active,
#social-graph-panel-2 .demo-badge-active {
    background: var(--color-caribbean-turquoise);
    color: var(--color-academy-blue);
    min-width: 120px;
}

#social-graph-panel-1 .demo-badge-completed,
#social-graph-panel-2 .demo-badge-completed {
    background: var(--color-seafoam-mint);
    color: var(--color-academy-blue);
    min-width: 120px;
}

#social-graph-panel-1 .demo-badge-chain-terminated,
#social-graph-panel-2 .demo-badge-chain-terminated {
    background: var(--color-rangoon-red);
    color: var(--color-milk-white);
    min-width: 120px;
}

#social-graph-panel-1 .demo-badge-hop-originator,
#social-graph-panel-2 .demo-badge-hop-originator {
    gap: 6px;
    justify-content: flex-start;
    background: var(--color-milk-white);
    color: var(--color-academy-blue);
    border-color: var(--color-caribbean-turquoise);
}

#social-graph-panel-1 .demo-hop-flag-originator,
#social-graph-panel-2 .demo-hop-flag-originator {
    display: inline-grid;
    place-items: center;
    width: 20px;
    height: 16px;
    border-radius: 3px;
    background: var(--color-caribbean-turquoise);
    color: var(--color-milk-white);
    font-size: 0.65rem;
    font-weight: 800;
    line-height: 1;
    flex-shrink: 0;
    padding: 0;
}

#social-graph-panel-1 .demo-badge-hop-target,
#social-graph-panel-2 .demo-badge-hop-target {
    gap: 6px;
    justify-content: flex-start;
    background: var(--color-milk-white);
    color: var(--color-academy-blue);
    border-color: var(--color-border);
}

#social-graph-panel-1 .demo-hop-flag-target,
#social-graph-panel-2 .demo-hop-flag-target {
    width: 20px;
    height: 16px;
    flex-shrink: 0;
    border: 1px solid var(--color-academy-blue);
    border-radius: 3px;
    background: conic-gradient(#1a1a1a 0 25%, #f5f5f5 0 50%, #1a1a1a 0 75%, #f5f5f5 0 100%) 50% 50% / 8px 8px;
}

#social-graph-panel-1 .demo-badge-hop-return,
#social-graph-panel-2 .demo-badge-hop-return {
    gap: 4px;
    justify-content: flex-start;
    background: #f3f0ff;
    color: var(--color-academy-blue);
    border-color: rgba(44, 76, 107, 0.35);
}

#social-graph-panel-1 .demo-badge-verified a,
#social-graph-panel-2 .demo-badge-verified a {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.2em;
}

#social-graph-panel-1 .hop-detail-row--badges .demo-badge-terminated,
#social-graph-panel-2 .hop-detail-row--badges .demo-badge-terminated {
    justify-content: flex-start;
}

#social-graph-panel-1 .hop-item,
#social-graph-panel-2 .hop-item {
    --hop-chain-badge-w: 34px;
    --hop-chain-badge-h: 17px;
    --hop-chain-badge-r: 20px;
    position: relative;
    z-index: 1;
    overflow: visible;
    background: var(--color-wimbledon-white);
    border: 1px solid var(--color-sandsel-beige);
    /* Regular card: same 4px left accent as role cards; color = card border. */
    border-left-width: 4px;
    border-left-color: var(--color-sandsel-beige);
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 4px rgba(44, 76, 107, 0.07);
    color: var(--color-academy-blue);
    font-weight: 500;
    padding-bottom: 28px;
    /* Y stack gap — last card in rail zeros this. */
    margin-bottom: var(--details-stack-gap-y, 12px);
}

/* Participant card: match card top padding (12px) above separator; 12px below → role / hop badges. */
#social-graph-panel-1 .hop-item.social-graph-person-card > .hop-header.social-graph-person-card__header,
#social-graph-panel-2 .hop-item.social-graph-person-card > .hop-header.social-graph-person-card__header {
    padding-bottom: 12px;
    margin-bottom: 12px;
}

/* Match cross-chain footer badge bottom gap to the 12px rhythm (rail badge sits outside left). */
#social-graph-panel-1 .hop-item.social-graph-person-card,
#social-graph-panel-2 .hop-item.social-graph-person-card {
    padding-bottom: 12px;
}

#social-graph-panel-1 .hop-item:hover,
#social-graph-panel-2 .hop-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(44, 76, 107, 0.12);
}

#social-graph-panel-1 .hop-item.originator,
#social-graph-panel-2 .hop-item.originator {
    background: linear-gradient(165deg, var(--color-milk-white) 0%, rgba(102, 191, 191, 0.28) 100%);
    border-color: var(--color-caribbean-turquoise);
    border-left-width: 4px;
    border-left-color: var(--color-caribbean-turquoise);
    color: var(--color-academy-blue);
    font-weight: 500;
}

#social-graph-panel-1 .hop-item.target,
#social-graph-panel-2 .hop-item.target {
    background: linear-gradient(165deg, var(--color-milk-white) 0%, rgba(230, 168, 183, 0.28) 100%);
    border-color: var(--color-accent-pink);
    border-left-width: 4px;
    border-left-color: var(--color-accent-pink);
    color: var(--color-academy-blue);
    font-weight: 500;
}

#social-graph-panel-1 .hop-item.return,
#social-graph-panel-2 .hop-item.return {
    background: linear-gradient(165deg, var(--color-milk-white) 0%, rgba(140, 200, 234, 0.28) 100%);
    border-color: var(--color-vintage-sky);
    border-left-width: 4px;
    border-left-color: var(--color-vintage-sky);
}

#social-graph-panel-1 .hop-item.dead-hop,
#social-graph-panel-2 .hop-item.dead-hop {
    background: linear-gradient(165deg, var(--color-milk-white) 0%, rgba(197, 59, 50, 0.22) 100%);
    border-color: var(--color-rangoon-red);
    border-left-width: 4px;
    border-left-color: var(--color-rangoon-red);
}

#social-graph-panel-1 .hop-item.chain-summary-card,
#social-graph-panel-2 .hop-item.chain-summary-card {
    padding-bottom: 12px;
}

#social-graph-panel-1 .hop-chain-stack--with-rail .hop-chain-rail-wrap,
#social-graph-panel-2 .hop-chain-stack--with-rail .hop-chain-rail-wrap {
    position: relative;
    width: 100%;
}

#social-graph-panel-1 .hop-chain-stack--with-rail .hop-chain-cards,
#social-graph-panel-2 .hop-chain-stack--with-rail .hop-chain-cards {
    position: relative;
    z-index: 1;
    margin-left: 10px;
}

#social-graph-panel-1 .hop-chain-stack--with-rail .hop-chain-cards > .hop-item:last-child,
#social-graph-panel-2 .hop-chain-stack--with-rail .hop-chain-cards > .hop-item:last-child {
    margin-bottom: 0;
}

#social-graph-panel-1 .hop-chain-stack--with-rail .hop-chain-rail-wrap .hop-chain-rail,
#social-graph-panel-2 .hop-chain-stack--with-rail .hop-chain-rail-wrap .hop-chain-rail {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    border-radius: 3px;
    pointer-events: none;
    z-index: 0;
    box-shadow:
        -1px 0 10px rgba(102, 191, 191, 0.14),
        inset 0 0 0 1px rgba(255, 255, 255, 0.35);
    background-image:
        repeating-linear-gradient(
            180deg,
            transparent 0,
            transparent 9px,
            rgba(102, 191, 191, 0.12) 9px,
            rgba(102, 191, 191, 0.42) 10px,
            rgba(102, 191, 191, 0.14) 11px,
            transparent 11px,
            transparent 22px
        ),
        linear-gradient(
            90deg,
            rgba(44, 76, 107, 0.07) 0%,
            rgba(250, 248, 242, 0.98) 18%,
            rgba(102, 191, 191, 0.38) 50%,
            rgba(250, 248, 242, 0.96) 82%,
            rgba(44, 76, 107, 0.09) 100%
        ),
        linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.22) 0%,
            transparent 22%,
            transparent 78%,
            rgba(44, 76, 107, 0.06) 100%
        );
    background-size: 6px 22px, 6px 100%, 6px 100%;
    background-position: 0 0, 0 0, 0 0;
    background-repeat: repeat-y, no-repeat, no-repeat;
    /* Same carrier scroll as Chain Details (`hop-chain-carrier` in styles.css). */
    animation: hop-chain-carrier 6s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
    #social-graph-panel-1 .hop-chain-stack--with-rail .hop-chain-rail-wrap .hop-chain-rail,
    #social-graph-panel-2 .hop-chain-stack--with-rail .hop-chain-rail-wrap .hop-chain-rail {
        animation: none;
    }
}

#social-graph-panel-1 .hop-chain-stack--with-rail .hop-chain-rail-wrap .hop-item::before,
#social-graph-panel-2 .hop-chain-stack--with-rail .hop-chain-rail-wrap .hop-item::before {
    content: '';
    position: absolute;
    left: -20px;
    bottom: 11px;
    width: var(--hop-chain-badge-w);
    height: var(--hop-chain-badge-h);
    border-radius: var(--hop-chain-badge-r);
    box-sizing: border-box;
    z-index: 2;
    pointer-events: none;
    border: 1px solid rgba(216, 204, 188, 0.95);
    background: linear-gradient(
        155deg,
        rgba(255, 255, 255, 0.94) 0%,
        rgba(238, 246, 255, 0.98) 38%,
        rgba(210, 220, 234, 0.92) 100%
    );
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.65) inset,
        0 0 0 1px rgba(44, 76, 107, 0.06),
        0 2px 10px rgba(44, 76, 107, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.75),
        -6px 0 16px rgba(102, 191, 191, 0.28),
        0 0 24px rgba(102, 191, 191, 0.12);
}

/*
 * Deal-in: participant cards under the rail (REQ-SG-030-03 / REQ-SG-071).
 * Same keyframes + stagger as Chain Details (`hop-chain-deal-in` in styles.css)
 * so GT → SG matches SG → GT when the Letter deck is (re)built.
 * Opt-in via `.sg-deck--deal` only — Shortest Path merge/split uses FLIP and must
 * not re-trigger deal-in when `.sg-deck--animating` is removed (`.sg-deck--settled`).
 */
#social-graph-panel-1 .hop-chain-stack--with-rail.sg-deck--deal .hop-chain-rail-wrap .hop-item,
#social-graph-panel-2 .hop-chain-stack--with-rail.sg-deck--deal .hop-chain-rail-wrap .hop-item {
    opacity: 0;
    transform: translateY(-20px) rotate(-2deg);
    animation: hop-chain-deal-in 0.48s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    animation-delay: calc(var(--hop-chain-i, 0) * 75ms);
}

@media (prefers-reduced-motion: reduce) {
    #social-graph-panel-1 .hop-chain-stack--with-rail.sg-deck--deal .hop-chain-rail-wrap .hop-item,
    #social-graph-panel-2 .hop-chain-stack--with-rail.sg-deck--deal .hop-chain-rail-wrap .hop-item {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

/* ── Footer control (REQ-SG-040-04) ────────────────────────────────────── */

.control-item--cross-target[hidden],
.control-item--cross-chain[hidden] {
    display: none;
}

/* Cross Target / Cross Chain are fullscreen-only — keep preview footer from overflowing (REQ-SG-040-04). */
.tracking-tile:not(.zoomed) .control-item--cross-target,
.tracking-tile:not(.zoomed) .control-item--cross-chain {
    display: none !important;
}

/* Mode title crossfade (REQ-SG-030-06):
 * Overlapping fade + light blur/scale. Title-ray stays hover-only. */
.title-ray--crossfade {
    position: relative;
    display: inline-grid;
    vertical-align: top;
}

.tracking-tile .globe-header .title-ray--on-dark.title-ray--crossfade,
.tracking-tile .globe-header .title-ray--on-dark.title-ray--crossfade.title-ray--play,
.tracking-tile:not(.zoomed):hover .globe-header .title-ray--on-dark.title-ray--crossfade,
.tracking-tile.zoomed .globe-header .title-ray--on-dark.title-ray--crossfade.title-ray--play {
    color: transparent;
    -webkit-text-fill-color: transparent;
    background-image: none;
    animation: none !important;
}

.tracking-tile .globe-header .title-ray--on-dark.title-ray--suppress-hover,
.tracking-tile:not(.zoomed):hover .globe-header .title-ray--on-dark.title-ray--suppress-hover,
.tracking-tile.zoomed .globe-header .title-ray--on-dark.title-ray--suppress-hover {
    animation: none !important;
    color: var(--title-ray-on-dark-base) !important;
    -webkit-text-fill-color: var(--title-ray-on-dark-base) !important;
    background-image: none !important;
}

.title-ray--crossfade .title-ray__layer {
    grid-area: 1 / 1;
    white-space: nowrap;
    color: var(--title-ray-on-dark-base);
    -webkit-text-fill-color: var(--title-ray-on-dark-base);
    will-change: opacity, filter, transform;
}

.title-ray--crossfade:not(.title-ray--play) .title-ray__layer--out {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
}

.title-ray--crossfade:not(.title-ray--play) .title-ray__layer--in {
    opacity: 0;
    filter: blur(4px);
    transform: scale(1.02);
}

@keyframes sg-title-crossfade-out {
    from {
        opacity: 1;
        filter: blur(0);
        transform: scale(1);
    }
    to {
        opacity: 0;
        filter: blur(4px);
        transform: scale(0.985);
    }
}

@keyframes sg-title-crossfade-in {
    from {
        opacity: 0;
        filter: blur(4px);
        transform: scale(1.02);
    }
    to {
        opacity: 1;
        filter: blur(0);
        transform: scale(1);
    }
}

.title-ray--crossfade.title-ray--play .title-ray__layer--out {
    animation: sg-title-crossfade-out var(--sg-title-crossfade-duration) var(--sg-title-crossfade-easing) forwards;
}

.title-ray--crossfade.title-ray--play .title-ray__layer--in {
    animation: sg-title-crossfade-in var(--sg-title-crossfade-duration) var(--sg-title-crossfade-easing) forwards;
}

@media (prefers-reduced-motion: reduce) {
    .title-ray--crossfade.title-ray--play .title-ray__layer--out,
    .title-ray--crossfade.title-ray--play .title-ray__layer--in {
        animation: none;
        filter: none;
        transform: none;
    }

    .title-ray--crossfade.title-ray--play .title-ray__layer--out {
        opacity: 0;
    }

    .title-ray--crossfade.title-ray--play .title-ray__layer--in {
        opacity: 1;
    }
}

/* Flag OFF keeps Global Tracking untouched (REQ-SG-020-03). */
.btn-social-graph[hidden] {
    display: none !important;
}