{# Meshcore Mode #}
<div id="meshcoreMode" style="display:flex; flex-direction:column; flex:1; min-height:0; overflow:hidden;">

  {# ── Connection Strip ── #}
  <div class="meshcore-strip">
    <div class="meshcore-strip-group">
      <span class="meshcore-status-dot" id="meshcoreStatusDot"></span>
      <span id="meshcoreStatusText" class="meshcore-strip-status-text">Disconnected</span>
    </div>
    <div class="meshcore-strip-divider"></div>
    <div class="meshcore-strip-group">
      <div class="meshcore-transport-tabs" id="meshcoreTransportTabs">
        <div class="meshcore-transport-tab active" data-transport="serial" onclick="MeshCore.selectTransport('serial')">Serial</div>
        <div class="meshcore-transport-tab" data-transport="tcp" onclick="MeshCore.selectTransport('tcp')">TCP</div>
        <div class="meshcore-transport-tab" data-transport="ble" onclick="MeshCore.selectTransport('ble')">BLE</div>
      </div>
    </div>
    <div id="meshcoreSerialConfig" class="meshcore-strip-group">
      <select id="meshcorePortSelect" class="meshcore-strip-select">
        <option value="">Auto-detect</option>
      </select>
    </div>
    <div id="meshcoreTcpConfig" class="meshcore-strip-group" style="display:none;">
      <input id="meshcoreTcpHost" type="text" placeholder="Host / IP" value="localhost" class="meshcore-strip-input" style="width:120px;">
      <input id="meshcoreTcpPort" type="number" placeholder="Port" value="5000" class="meshcore-strip-input" style="width:70px;">
    </div>
    <div id="meshcoreBleConfig" class="meshcore-strip-group" style="display:none;">
      <select id="meshcoreBleSelect" class="meshcore-strip-select">
        <option value="">Scan for devices...</option>
      </select>
      <button class="meshcore-strip-btn" onclick="MeshCore.scanBle()">Scan</button>
    </div>
    <div class="meshcore-strip-group">
      <button class="meshcore-strip-btn connect" id="meshcoreConnectBtn" onclick="MeshCore.connect()">Connect</button>
      <button class="meshcore-strip-btn disconnect" id="meshcoreDisconnectBtn" onclick="MeshCore.disconnect()" disabled>Disconnect</button>
    </div>
    <div class="meshcore-strip-divider"></div>
    <div class="meshcore-strip-group">
      <div class="meshcore-strip-stat">
        <span class="meshcore-strip-value" id="meshcoreNodeCount">0</span>
        <span class="meshcore-strip-label">NODES</span>
      </div>
      <div class="meshcore-strip-stat">
        <span class="meshcore-strip-value" id="meshcoreMsgCount">0</span>
        <span class="meshcore-strip-label">MSGS</span>
      </div>
    </div>
    <div class="meshcore-strip-divider"></div>
    <div class="meshcore-strip-group">
      <button class="meshcore-strip-btn" onclick="MeshCore.showAddContact()">+ Contact</button>
    </div>
  </div>

  {# ── Main body ── #}
  <div class="meshcore-body">

    {# Left panel: contacts + nodes #}
    <div class="meshcore-panel" id="meshcoreSidePanel">
      <div class="meshcore-panel-section">
        <div class="meshcore-panel-title">Contacts</div>
        <div id="meshcoreContactList">
          <div class="meshcore-empty">No contacts</div>
        </div>
      </div>
      <div class="meshcore-panel-section meshcore-panel-section--grow">
        <div class="meshcore-panel-title">Nodes</div>
        <div id="meshcoreNodeList">
          <div class="meshcore-empty">No nodes seen</div>
        </div>
      </div>
    </div>

    {# Right: tabs + content #}
    <div class="meshcore-content">
      <div class="meshcore-tabs">
        <div class="meshcore-tab active" data-tab="messages" onclick="MeshCore.switchTab('messages')">Messages</div>
        <div class="meshcore-tab" data-tab="map" onclick="MeshCore.switchTab('map')">Map</div>
        <div class="meshcore-tab" data-tab="repeaters" onclick="MeshCore.switchTab('repeaters')">Repeaters</div>
        <div class="meshcore-tab" data-tab="telemetry" onclick="MeshCore.switchTab('telemetry')">Telemetry</div>
      </div>

      {# Messages tab #}
      <div class="meshcore-tab-panel active" id="meshcoreTabMessages">
        <div class="meshcore-messages" id="meshcoreMessageFeed">
          <div class="meshcore-empty" style="padding:24px;text-align:center;">
            Connect to a Meshcore device to see messages
          </div>
        </div>
        <div class="meshcore-compose">
          <select id="meshcoreRecipientSelect" class="meshcore-compose-select">
            <option value="BROADCAST">Broadcast</option>
          </select>
          <input id="meshcoreComposeInput" type="text" placeholder="Type a message (max 237 chars)..." maxlength="237"
                 class="meshcore-compose-input" onkeydown="if(event.key==='Enter')MeshCore.sendMessage()">
          <button class="meshcore-compose-btn" onclick="MeshCore.sendMessage()">Send</button>
        </div>
      </div>

      {# Map tab #}
      <div class="meshcore-tab-panel" id="meshcoreTabMap">
        <div id="meshcoreMap"></div>
      </div>

      {# Repeaters tab #}
      <div class="meshcore-tab-panel" id="meshcoreTabRepeaters" style="overflow-y:auto;padding:12px;">
        <table class="meshcore-table">
          <thead>
            <tr>
              <th>Name</th><th>Node ID</th><th>Hops</th><th>SNR</th><th>Battery</th><th>Last Seen</th>
            </tr>
          </thead>
          <tbody id="meshcoreRepeaterTableBody">
            <tr><td colspan="6" class="meshcore-empty" style="text-align:center;padding:16px;">No repeaters detected</td></tr>
          </tbody>
        </table>
      </div>

      {# Telemetry tab #}
      <div class="meshcore-tab-panel" id="meshcoreTabTelemetry" style="padding:12px;overflow-y:auto;">
        <div style="margin-bottom:8px;">
          <label class="meshcore-label">Node: </label>
          <select id="meshcoreTelemetryNodeSelect" onchange="MeshCore.loadTelemetry(this.value)" class="meshcore-strip-select">
            <option value="">Select a node</option>
          </select>
        </div>
        <canvas id="meshcoreTelemetryChart" style="max-height:300px;"></canvas>
      </div>

    </div>{# /meshcore-content #}
  </div>{# /meshcore-body #}
</div>{# /meshcoreMode #}

{# ── Add Contact Modal ── #}
<div id="meshcoreAddContactModal" class="signal-details-modal" style="display:none;">
  <div class="signal-details-modal-backdrop" onclick="MeshCore.closeAddContact()"></div>
  <div class="signal-details-modal-content" style="max-width:400px;">
    <div class="signal-details-modal-header">
      <h3>Add Contact</h3>
      <button class="signal-details-modal-close" onclick="MeshCore.closeAddContact()">&times;</button>
    </div>
    <div class="signal-details-modal-body" style="display:flex;flex-direction:column;gap:10px;">
      <div>
        <label class="meshcore-label" style="display:block;margin-bottom:3px;">Node ID</label>
        <input id="meshcoreContactNodeId" type="text" placeholder="e.g. NODE001" class="mock-input" style="width:100%;box-sizing:border-box;">
      </div>
      <div>
        <label class="meshcore-label" style="display:block;margin-bottom:3px;">Name</label>
        <input id="meshcoreContactName" type="text" placeholder="Display name" class="mock-input" style="width:100%;box-sizing:border-box;">
      </div>
      <div>
        <label class="meshcore-label" style="display:block;margin-bottom:3px;">Public Key</label>
        <input id="meshcoreContactKey" type="text" placeholder="Base64 public key" class="mock-input" style="width:100%;box-sizing:border-box;font-family:var(--font-mono);font-size:11px;">
      </div>
    </div>
    <div class="signal-details-modal-footer" style="display:flex;gap:8px;">
      <button class="preset-btn" onclick="MeshCore.closeAddContact()" style="flex:1;">Cancel</button>
      <button class="run-btn" onclick="MeshCore.saveContact()" style="flex:1;">Add Contact</button>
    </div>
  </div>
</div>

{# ── Traceroute Modal ── #}
<div id="meshcoreTracerouteModal" class="signal-details-modal" style="display:none;">
  <div class="signal-details-modal-backdrop" onclick="MeshCore.closeTraceroute()"></div>
  <div class="signal-details-modal-content" style="max-width:600px;">
    <div class="signal-details-modal-header">
      <h3>Traceroute Result</h3>
      <button class="signal-details-modal-close" onclick="MeshCore.closeTraceroute()">&times;</button>
    </div>
    <div class="signal-details-modal-body">
      <div class="meshcore-traceroute-hops" id="meshcoreTracerouteHops"></div>
    </div>
  </div>
</div>