/* ── A2A Network Page ── */
    .network-page { max-width: 1200px; margin: 0 auto; padding: 40px 24px 60px; }
    .network-header { text-align: center; margin-bottom: 32px; }
    .network-header h1 { font-size: clamp(24px, 4vw, 36px); font-weight: 800; margin-bottom: 8px;
      background: linear-gradient(135deg, #fff 0%, #ccc 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .network-header p { color: var(--text-dim); font-size: 15px; }

    .network-search-bar { display: flex; gap: 12px; margin-bottom: 24px; max-width: 700px; margin-left: auto; margin-right: auto; }
    .network-search-bar input {
      flex: 1; padding: 12px 18px; background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 10px; color: var(--text); font-size: 14px; outline: none;
      transition: border-color .2s;
    }
    .network-search-bar input:focus { border-color: var(--orange); }
    .demo-btn {
      padding: 12px 24px; background: var(--orange); color: #fff; border: none;
      border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer;
      white-space: nowrap; transition: transform .15s, box-shadow .15s;
    }
    .demo-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px var(--orange-glow); }

    .network-stats { display: flex; gap: 16px; justify-content: center; margin-bottom: 28px; flex-wrap: wrap; }
    .net-stat {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
      padding: 16px 28px; text-align: center; min-width: 120px;
    }
    .net-stat span { display: block; font-size: 28px; font-weight: 800; color: var(--orange); }
    .net-stat label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; }

    .topology-container {
      position: relative; background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 16px; padding: 16px; margin-bottom: 32px; overflow: hidden;
    }
    #network-svg { width: 100%; height: auto; min-height: 300px; }

    .net-tooltip {
      position: absolute; background: rgba(22,22,26,0.96); border: 1px solid var(--orange);
      border-radius: 10px; padding: 14px 18px; font-size: 13px; max-width: 280px;
      pointer-events: none; z-index: 50; box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    }
    .net-tooltip .tt-name { font-size: 15px; font-weight: 700; color: var(--orange); margin-bottom: 6px; }
    .net-tooltip .tt-skills { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
    .net-tooltip .tt-skill-tag {
      background: var(--orange-glow); color: var(--orange); padding: 2px 8px;
      border-radius: 6px; font-size: 11px; font-weight: 500;
    }

    .task-flow-section, .agent-list-section { margin-bottom: 32px; }
    .task-flow-section h2, .agent-list-section h2 {
      font-size: 18px; font-weight: 700; margin-bottom: 16px;
      padding-bottom: 8px; border-bottom: 1px solid var(--border);
    }

    .task-flow-list { display: flex; flex-direction: column; gap: 12px; }
    .task-flow-item {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
      padding: 16px 20px; display: flex; align-items: center; gap: 16px;
      transition: border-color .3s;
    }
    .task-flow-item.completed { border-color: var(--green); }
    .task-flow-item.running { border-color: var(--orange); animation: pulse-border 1.5s infinite; }
    .task-flow-item .tf-icon { font-size: 28px; flex-shrink: 0; }
    .task-flow-item .tf-info { flex: 1; }
    .task-flow-item .tf-action { font-weight: 600; font-size: 14px; }
    .task-flow-item .tf-agents { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
    .task-flow-item .tf-status {
      padding: 4px 12px; border-radius: 8px; font-size: 12px; font-weight: 600;
    }
    .tf-status.completed { background: rgba(16,185,129,0.15); color: var(--green); }
    .tf-status.running { background: var(--orange-glow); color: var(--orange); }
    .tf-status.pending { background: rgba(138,138,148,0.15); color: var(--text-dim); }

    @keyframes pulse-border {
      0%, 100% { border-color: var(--orange); }
      50% { border-color: transparent; }
    }

    .network-agent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
    .net-agent-card {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
      padding: 20px; transition: all .2s; cursor: default;
    }
    .net-agent-card:hover { border-color: var(--orange); transform: translateY(-2px); }
    .net-agent-card .nac-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
    .net-agent-card .nac-icon { font-size: 28px; }
    .net-agent-card .nac-name { font-weight: 700; font-size: 15px; }
    .net-agent-card .nac-id { font-size: 11px; color: var(--text-dim); }
    .net-agent-card .nac-desc { font-size: 12px; color: var(--text-dim); margin-bottom: 10px; line-height: 1.5; }
    .net-agent-card .nac-skills { display: flex; flex-wrap: wrap; gap: 4px; }
    .nac-skill {
      background: var(--orange-glow); color: var(--orange); padding: 3px 10px;
      border-radius: 6px; font-size: 11px; font-weight: 500;
    }
    .nac-skill.highlight { background: var(--orange); color: #fff; }

    .empty-state { text-align: center; color: var(--text-dim); padding: 40px; font-size: 14px; }

    /* SVG node styles */
    .node-circle { cursor: pointer; transition: all .3s; }
    .node-circle:hover { filter: url(#glow); }
    .node-circle.highlighted { filter: url(#glow); stroke: var(--orange); stroke-width: 3; }
    .node-circle.dimmed { opacity: 0.25; }
    .edge-line { transition: opacity .3s; }
    .edge-line.dimmed { opacity: 0.1; }
    .edge-line.highlighted { stroke: var(--orange); stroke-width: 2.5; opacity: 1; }
    .node-label { font-size: 11px; fill: var(--text); pointer-events: none; text-anchor: middle; font-weight: 600; }
    .node-sublabel { font-size: 9px; fill: var(--text-dim); pointer-events: none; text-anchor: middle; }

    /* Animated task flow line on SVG */
    .flow-particle {
      fill: var(--orange);
      animation: flowAnim 1.5s ease-in-out infinite;
    }
    @keyframes flowAnim {
      0% { opacity: 0; }
      50% { opacity: 1; }
      100% { opacity: 0; }
    }

    @media (max-width: 768px) {
      .network-search-bar { flex-direction: column; }
      .network-stats { gap: 8px; }
      .net-stat { padding: 12px 16px; min-width: 80px; }
      .net-stat span { font-size: 22px; }
      .network-agent-grid { grid-template-columns: 1fr; }
      .topology-container { padding: 8px; }
    }