/* ============================================================
   CONNECTIONS — force-directed graph
   ============================================================ */

.ad-conn-hero {
    max-width: 1200px; margin: 0 auto;
    padding: 80px 32px 40px;
    text-align: center;
}
.ad-conn-hero-inner { max-width: 720px; margin: 0 auto; }
.ad-conn-title {
    font-size: clamp(36px, 5vw, 56px); font-weight: 800;
    letter-spacing: -0.03em; line-height: 1.05; margin: 16px 0;
    background: var(--ad-grad-cosmic);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.ad-conn-lead {
    font-size: 16px; color: var(--ad-text-muted);
    line-height: 1.65; max-width: 640px; margin: 0 auto 24px;
}
.ad-conn-lead strong { color: var(--ad-text); }

.ad-conn-legend {
    display: inline-flex; gap: 24px; flex-wrap: wrap;
    padding: 8px 16px;
    background: rgba(19, 26, 45, 0.5);
    border: 1px solid var(--ad-line);
    border-radius: var(--ad-r-full);
    backdrop-filter: blur(12px);
}
.ad-conn-legend-item {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12px; color: var(--ad-text-muted);
}
.ad-conn-dot {
    width: 12px; height: 12px; border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
}
.ad-conn-line {
    width: 24px; height: 1.5px;
    background: linear-gradient(90deg, transparent, var(--ad-accent), transparent);
}

/* Canvas */
.ad-conn-canvas {
    position: relative;
    max-width: 1600px; margin: 0 auto;
    height: 70vh; min-height: 600px;
    border-radius: var(--ad-r-xl);
    background: radial-gradient(ellipse at center, rgba(19,26,45,0.6) 0%, rgba(5,8,17,0.95) 100%);
    border: 1px solid var(--ad-line);
    overflow: hidden;
    margin-bottom: 40px;
}
.ad-conn-canvas .vis-network { background: transparent !important; }

.ad-conn-loader {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center; gap: 14px;
    color: var(--ad-text-muted); font-size: 14px;
    z-index: 5;
}
.ad-conn-empty {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    color: var(--ad-text-muted); font-size: 15px;
    text-align: center; padding: 24px;
}

/* Side info panel */
.ad-conn-info {
    position: fixed; top: 96px; right: 24px;
    width: 320px; max-height: calc(100dvh - 120px);
    background: rgba(19, 26, 45, 0.92);
    backdrop-filter: blur(20px);
    border: 1px solid var(--ad-line);
    border-radius: var(--ad-r-lg);
    padding: 24px;
    overflow-y: auto;
    z-index: 50;
    transform: translateX(calc(100% + 30px));
    transition: transform 480ms var(--ad-ease-out);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.ad-conn-info.is-open { transform: translateX(0); }
.ad-conn-info-empty h3 {
    font-size: 16px; font-weight: 700; margin: 0 0 8px; color: var(--ad-text);
}
.ad-conn-info-empty p { font-size: 13px; color: var(--ad-text-muted); margin: 0; }
.ad-conn-info-photo {
    width: 100%; aspect-ratio: 16 / 10;
    border-radius: var(--ad-r-md); overflow: hidden;
    background: var(--ad-bg-elevated);
    margin-bottom: 14px;
}
.ad-conn-info-photo img { width: 100%; height: 100%; object-fit: cover; }
.ad-conn-info-ref {
    display: inline-block; font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px; font-weight: 700;
    color: var(--ad-accent);
    background: rgba(90,200,250,0.12);
    padding: 3px 8px; border-radius: 4px;
    margin-bottom: 8px;
}
.ad-conn-info-title {
    font-size: 17px; font-weight: 700;
    color: var(--ad-text); margin: 0 0 12px;
    letter-spacing: -0.01em; line-height: 1.3;
}
.ad-conn-info-meta {
    display: flex; flex-direction: column; gap: 8px;
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--ad-line);
}
.ad-conn-info-meta-row {
    display: flex; justify-content: space-between;
    font-size: 12.5px; gap: 8px;
}
.ad-conn-info-meta-row span:first-child {
    color: var(--ad-text-muted);
    text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.06em; font-weight: 600;
}
.ad-conn-info-meta-row span:last-child {
    color: var(--ad-text); font-weight: 500;
}
.ad-conn-info-cta {
    display: flex; align-items: center; gap: 6px; justify-content: center;
    padding: 12px; border-radius: var(--ad-r-md);
    background: var(--ad-grad-primary);
    color: #fff; font-size: 13.5px; font-weight: 600;
    text-decoration: none;
    transition: transform 240ms var(--ad-ease-out);
}
.ad-conn-info-cta:hover { transform: translateY(-1px); }
.ad-conn-info-close {
    position: absolute; top: 14px; right: 14px;
    width: 28px; height: 28px; border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: var(--ad-text-muted);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 16px;
}

/* Controls overlay (zoom + fit) */
.ad-conn-controls {
    position: fixed; bottom: 32px; right: 32px;
    display: flex; flex-direction: column; gap: 4px;
    z-index: 40;
}
.ad-conn-ctrl {
    width: 40px; height: 40px;
    background: rgba(19, 26, 45, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--ad-line);
    border-radius: var(--ad-r-sm);
    color: var(--ad-text);
    display: inline-flex; align-items: center; justify-content: center;
    transition: background 220ms ease;
}
.ad-conn-ctrl:hover { background: var(--ad-bg-elevated); }
.ad-conn-ctrl:first-child { border-top-left-radius: var(--ad-r-md); border-top-right-radius: var(--ad-r-md); }
.ad-conn-ctrl:last-child  { border-bottom-left-radius: var(--ad-r-md); border-bottom-right-radius: var(--ad-r-md); }

/* Responsive */
@media (max-width: 768px) {
    .ad-conn-hero { padding: 60px 20px 24px; }
    .ad-conn-canvas { margin: 0 16px 32px; border-radius: var(--ad-r-md); height: 60vh; }
    .ad-conn-info {
        position: fixed; top: auto; bottom: 0; right: 0; left: 0; width: auto;
        max-height: 50vh;
        transform: translateY(100%);
        border-radius: var(--ad-r-lg) var(--ad-r-lg) 0 0;
    }
    .ad-conn-info.is-open { transform: translateY(0); }
    .ad-conn-controls { bottom: 20px; right: 20px; }
}