/* constellation.css — full-bleed Cytoscape stage with overlay controls.
 *
 * The graph canvas takes the rest of the viewport. Controls float as a
 * brutalist overlay panel in the upper-left; legend in the lower-right; node
 * tooltip follows the cursor. No colors except the standard #fffacd hover
 * yellow (inherited convention from the rest of the site).
 */

/* The constellation page wants a wider canvas than the standard 760px column.
 * Override `main` only here. */
main { max-width: 100%; padding: 16px 18px 30px; }

/* ─────────────── title bar ─────────────── */
.cn-titlebar {
    padding-bottom: 10px;
    border-bottom: 1px solid #000;
    margin-bottom: 10px;
}
.cn-title {
    font-family: ui-monospace, Menlo, monospace;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin: 0;
    color: #000;
    border: 0;
    padding: 0;
    /* base h1 picks up border-top from margin-bottom, override here. */
}
.cn-meta {
    font-family: ui-monospace, Menlo, monospace;
    font-size: 11.5px;
    color: #555;
    margin: 6px 0 0;
    letter-spacing: 0.2px;
}
.cn-meta strong { color: #000; font-weight: 700; }

/* ─────────────── stage ─────────────── */
.cn-stage {
    position: relative;
    height: calc(100vh - 200px);
    min-height: 520px;
    border: 1px solid #000;
    background: #fff;
}

.cn-graph {
    position: absolute;
    inset: 0;
    background: #fff;
}

/* ─────────────── controls overlay ─────────────── */
.cn-controls {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 10;
    background: #fff;
    border: 1px solid #000;
    padding: 10px 12px;
    width: 240px;
    font-family: ui-monospace, Menlo, monospace;
    font-size: 12px;
}
.cn-controls-group {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px dashed #000;
}
.cn-controls-group:last-child {
    border-bottom: 0;
    margin-bottom: 0;
    padding-bottom: 0;
}
.cn-controls-label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.7px;
    color: #555;
    margin-bottom: 6px;
}
.cn-check {
    display: block;
    font-size: 12px;
    margin-bottom: 3px;
    cursor: pointer;
    user-select: none;
}
.cn-check input { vertical-align: -1px; margin-right: 6px; }

#cn-search {
    width: 100%;
    padding: 5px 8px;
    border: 1px solid #000;
    background: #fff;
    color: #000;
    font-family: ui-monospace, Menlo, monospace;
    font-size: 12px;
    -webkit-appearance: none;
}
#cn-search:focus { outline: 2px solid #000; outline-offset: -2px; }

#cn-layout {
    width: 100%;
    padding: 5px 8px;
    border: 1px solid #000;
    background: #fff;
    color: #000;
    font-family: ui-monospace, Menlo, monospace;
    font-size: 12px;
}

.cn-zoom-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.cn-btn {
    flex: 0 0 32px;
    height: 28px;
    border: 1px solid #000;
    background: #fff;
    color: #000;
    font-family: ui-monospace, Menlo, monospace;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}
.cn-btn:hover { background: #fffacd; }
.cn-btn-wide { flex: 1; padding: 0 8px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.4px; }

/* ─────────────── tooltip ─────────────── */
.cn-tip {
    position: absolute;
    z-index: 20;
    pointer-events: none;
    background: #fff;
    border: 1px solid #000;
    padding: 6px 9px;
    font-family: ui-monospace, Menlo, monospace;
    font-size: 12px;
    color: #000;
    max-width: 280px;
    visibility: hidden;
    /* Defaults so the first-hover tooltip doesn't flash at the stage origin
       before mousemove updates the position. */
    left: -9999px;
    top: -9999px;
}
.cn-tip-label { font-weight: 700; }
.cn-tip-type {
    margin-top: 2px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #555;
}

/* ─────────────── legend ─────────────── */
.cn-legend {
    position: absolute;
    bottom: 10px;
    right: 10px;
    z-index: 10;
    background: #fff;
    border: 1px solid #000;
    padding: 8px 10px;
    font-family: ui-monospace, Menlo, monospace;
    font-size: 11px;
    min-width: 170px;
}
.cn-legend-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.7px;
    color: #555;
    margin-bottom: 6px;
}
.cn-legend-row {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 3px;
}
.cn-leg-shape {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 1px solid #000;
    background: #fff;
}
.cn-leg-shape[data-shape="circle"]  { border-radius: 50%; }
.cn-leg-shape[data-shape="square"]  { /* default */ }
.cn-leg-shape[data-shape="diamond"] {
    transform: rotate(45deg);
    width: 9px;
    height: 9px;
}
.cn-leg-shape[data-shape="hex"]     {
    /* Approximate hex shape via clip-path; brutalist enough. */
    clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
    border: 0;
    background: #000;
    width: 14px;
    height: 12px;
    position: relative;
}
.cn-leg-shape[data-shape="triangle"] {
    /* Triangle for ongoing phenomena (Mothman, foo fighters, cattle
       mutilations). Same brutalist filled-black treatment as hex. */
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
    border: 0;
    background: #000;
    width: 14px;
    height: 12px;
}
.cn-leg-shape[data-shape="star"] {
    /* Five-pointed star for interpretive theories (ETH, IDH, psychosocial,
       ancient-astronaut, etc.). Theories are the connective tissue layer:
       they cite figures and cases without being either. */
    clip-path: polygon(
        50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%,
        50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    border: 0;
    background: #000;
    width: 14px;
    height: 14px;
}

/* ─────────────── mobile ─────────────── */
@media (max-width: 640px) {
    main { padding: 12px 10px 24px; }
    .cn-stage {
        height: calc(100vh - 240px);
        min-height: 440px;
    }
    .cn-controls {
        position: static;
        width: auto;
        margin-bottom: 8px;
    }
    .cn-controls-group {
        display: inline-block;
        vertical-align: top;
        width: 48%;
        margin-right: 1%;
        border-bottom: 0;
        padding-bottom: 0;
        margin-bottom: 8px;
    }
    .cn-stage { height: 70vh; min-height: 400px; }
    .cn-legend { font-size: 10px; min-width: 150px; }
}