/* =================================================================
   AegisSight OSINT Monitor - Cluster Graph Styles
   Hierarchical country-based network visualization
   ================================================================= */

/* ---- Breadcrumb ---- */

.cluster-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(15, 23, 42, 0.6);
    border-bottom: 1px solid var(--border, #1e293b);
    font-size: 13px;
    min-height: 36px;
    flex-shrink: 0;
}

.breadcrumb-item {
    color: #94a3b8;
    font-size: 13px;
}

.breadcrumb-item.active {
    color: #f1f5f9;
    font-weight: 600;
}

.breadcrumb-item.clickable {
    cursor: pointer;
    color: #60a5fa;
    transition: color 0.15s;
}

.breadcrumb-item.clickable:hover {
    color: #93bbfc;
    text-decoration: underline;
}

.breadcrumb-separator {
    color: #475569;
    font-size: 14px;
    user-select: none;
}

.cluster-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid #334155;
    color: #94a3b8;
    padding: 3px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-family: inherit;
    transition: all 0.15s;
    white-space: nowrap;
}

.cluster-back-btn:hover {
    border-color: #60a5fa;
    color: #60a5fa;
    background: rgba(96, 165, 250, 0.08);
}

/* ---- View Toggle Button ---- */

.network-view-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 2px;
    margin-right: 8px;
}

.network-view-toggle-btn {
    padding: 5px 12px;
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    white-space: nowrap;
}

.network-view-toggle-btn.active {
    background: #334155;
    color: #f1f5f9;
    font-weight: 600;
}

.network-view-toggle-btn:hover:not(.active) {
    color: #e2e8f0;
    background: rgba(51, 65, 85, 0.4);
}

/* ---- Cluster Graph SVG ---- */

.cg-zoom-layer {
    /* Smooth transitions handled by d3 */
}

/* Country nodes */
.cg-country-node {
    transition: filter 0.2s;
}

.cg-country-circle {
    transition: stroke-width 0.2s, opacity 0.2s;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.cg-country-node:hover .cg-country-circle {
    filter: drop-shadow(0 4px 16px rgba(241, 245, 249, 0.15));
}

.cg-country-label {
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
    user-select: none;
}

.cg-country-count {
    user-select: none;
}

/* Detail nodes */
.cg-detail-node circle {
    transition: stroke 0.15s, stroke-width 0.15s, opacity 0.15s;
}

.cg-detail-node text {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    user-select: none;
}

/* Links */
.cg-links line,
.cg-detail-links line {
    pointer-events: none;
}

/* Legend */
.cg-legend text {
    user-select: none;
}

/* ---- Tooltip ---- */

.cg-tooltip {
    pointer-events: none;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    line-height: 1.5;
}

.cg-tooltip hr {
    border: none;
    border-top: 1px solid #334155;
    margin: 4px 0;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .cluster-breadcrumb {
        padding: 6px 12px;
        font-size: 12px;
    }

    .cluster-back-btn {
        font-size: 11px;
        padding: 2px 8px;
    }

    .network-view-toggle-btn {
        padding: 4px 8px;
        font-size: 11px;
    }
}