archy/neode-ui/src/views/Mesh.vue

<script setup lang="ts">
import { ref, computed, watch, nextTick, onMounted, onUnmounted } from 'vue'
import { useMeshStore } from '@/stores/mesh'
import { useTransportStore } from '@/stores/transport'
import type { MeshPeer, SessionStatus } from '@/stores/mesh'
import AnimatedLogo from '@/components/AnimatedLogo.vue'
import { rpcClient } from '@/api/rpc-client'

const mesh = useMeshStore()
const transport = useTransportStore()

// Active chat: either a peer or a channel
const activeChatPeer = ref<MeshPeer | null>(null)
const activeChatChannel = ref<{ index: number; name: string } | null>(null)
const messageText = ref('')
const sendError = ref('')
const broadcasting = ref(false)
const configuring = ref(false)
const chatScrollEl = ref<HTMLElement | null>(null)
let pollInterval: ReturnType<typeof setInterval> | null = null

// The Public channel (always available on Meshcore)
const publicChannel = { index: 0, name: 'Public' }

const togglingOffGrid = ref(false)
const peerSessionInfo = ref<SessionStatus | null>(null)

// Phase 4: Off-grid Bitcoin + Dead Man's Switch
const activeTab = ref<'chat' | 'bitcoin' | 'deadman'>('chat')
const txHexInput = ref('')
const bolt11Input = ref('')
const bolt11AmountInput = ref('')
const relayingTx = ref(false)
const relayingLn = ref(false)
const relayResult = ref('')
const meshSendAddr = ref('')
const meshSendAmount = ref('')
const relayMode = ref<'archy' | 'broadcast'>('archy')
const sendTab = ref<'onchain' | 'lightning'>('onchain')
const deadmanConfiguring = ref(false)
const deadmanInterval = ref('21600')
const deadmanEnabled = ref(false)
const deadmanCustomMsg = ref('')

// Fetch session status when active peer changes
watch(() => activeChatPeer.value, async (peer) => {
  if (peer) {
    try {
      peerSessionInfo.value = await mesh.getSessionStatus(peer.contact_id)
    } catch {
      peerSessionInfo.value = null
    }
  } else {
    peerSessionInfo.value = null
  }
})

async function handleToggleOffGrid() {
  togglingOffGrid.value = true
  try {
    await transport.setMeshOnly(!transport.meshOnly)
  } finally { togglingOffGrid.value = false }
}

async function handleMeshSendBitcoin() {
  if (!meshSendAddr.value.trim() || !meshSendAmount.value) return
  relayingTx.value = true
  relayResult.value = ''
  try {
    // Step 1: Create signed raw TX locally (no broadcast)
    relayResult.value = 'Creating signed transaction...'
    const rawRes = await rpcClient.call<{ raw_tx_hex: string; amount_sats: number }>({
      method: 'lnd.create-raw-tx',
      params: { addr: meshSendAddr.value.trim(), amount_sats: parseInt(meshSendAmount.value) },
    })
    // Step 2: Relay via mesh
    relayResult.value = relayMode.value === 'broadcast'
      ? 'Broadcasting via mesh network...'
      : 'Sending to Archy peers (encrypted)...'
    const relayRes = await mesh.relayTransaction(rawRes.raw_tx_hex, relayMode.value)
    relayResult.value = `Sent via mesh! Request #${relayRes.request_id} — waiting for relay peer to broadcast...`
    meshSendAddr.value = ''
    meshSendAmount.value = ''
    // Step 3: Poll for relay result (every 3s for 90s)
    pollRelayStatus(relayRes.request_id)
  } catch (err: unknown) {
    relayResult.value = err instanceof Error ? err.message : 'Send failed'
  } finally {
    relayingTx.value = false
  }
}

function pollRelayStatus(requestId: number) {
  let attempts = 0
  const maxAttempts = 30
  const interval = setInterval(async () => {
    attempts++
    try {
      const res = await mesh.relayStatus(requestId)
      if (res.status === 'confirmed' && res.txid) {
        relayResult.value = `TX broadcast! txid: ${res.txid.slice(0, 8)}...${res.txid.slice(-8)}`
        clearInterval(interval)
      } else if (res.status === 'failed') {
        const code = res.error_code ? ` [${res.error_code}]` : ''
        relayResult.value = `Relay failed${code}: ${res.error || 'unknown error'}`
        clearInterval(interval)
      } else if (attempts >= maxAttempts) {
        relayResult.value += ' (timed out waiting for confirmation)'
        clearInterval(interval)
      }
    } catch {
      if (attempts >= maxAttempts) clearInterval(interval)
    }
  }, 3000)
}

async function handleRelayTx() {
  if (!txHexInput.value.trim()) return
  relayingTx.value = true
  relayResult.value = ''
  try {
    const res = await mesh.relayTransaction(txHexInput.value.trim())
    relayResult.value = `TX queued (request #${res.request_id})`
    txHexInput.value = ''
  } catch (err: unknown) {
    relayResult.value = err instanceof Error ? err.message : 'Relay failed'
  } finally {
    relayingTx.value = false
  }
}

async function handleRelayLightning() {
  if (!bolt11Input.value.trim() || !bolt11AmountInput.value) return
  relayingLn.value = true
  relayResult.value = ''
  try {
    const res = await mesh.relayLightning(bolt11Input.value.trim(), parseInt(bolt11AmountInput.value))
    relayResult.value = `Lightning relay queued (request #${res.request_id})`
    bolt11Input.value = ''
    bolt11AmountInput.value = ''
  } catch (err: unknown) {
    relayResult.value = err instanceof Error ? err.message : 'Relay failed'
  } finally {
    relayingLn.value = false
  }
}

async function handleDeadmanToggle() {
  // Instant enable/disable without waiting for full save
  deadmanConfiguring.value = true
  try {
    await mesh.configureDeadman({ enabled: deadmanEnabled.value })
    await mesh.fetchDeadmanStatus()
  } finally {
    deadmanConfiguring.value = false
  }
}

async function handleDeadmanConfigure() {
  deadmanConfiguring.value = true
  try {
    await mesh.configureDeadman({
      enabled: deadmanEnabled.value,
      interval_secs: parseInt(deadmanInterval.value) || 21600,
      custom_message: deadmanCustomMsg.value || undefined,
    })
    await mesh.fetchDeadmanStatus()
  } finally {
    deadmanConfiguring.value = false
  }
}

async function handleDeadmanCheckin() {
  await mesh.deadmanCheckin()
  await mesh.fetchDeadmanStatus()
}

function formatTimeRemaining(secs: number): string {
  if (secs >= 86400) return `${Math.floor(secs / 3600)}h`
  if (secs >= 3600) return `${Math.floor(secs / 3600)}h ${Math.floor((secs % 3600) / 60)}m`
  if (secs >= 60) return `${Math.floor(secs / 60)}m ${secs % 60}s`
  return `${secs}s`
}

onMounted(async () => {
  await Promise.all([mesh.refreshAll(), transport.fetchStatus()])
  // Sync deadman UI state from server
  if (mesh.deadmanStatus) {
    deadmanEnabled.value = mesh.deadmanStatus.dead_man_enabled
    deadmanInterval.value = String(mesh.deadmanStatus.dead_man_interval_secs)
  }
  pollInterval = setInterval(() => {
    mesh.fetchStatus()
    mesh.fetchPeers()
    mesh.fetchMessages()
    mesh.fetchDeadmanStatus()
    mesh.fetchBlockHeaders()
  }, 5000)
})

onUnmounted(() => {
  if (pollInterval) clearInterval(pollInterval)
})

// Active chat name for the header
const activeChatName = computed(() => {
  if (activeChatChannel.value) return activeChatChannel.value.name
  if (activeChatPeer.value) return activeChatPeer.value.advert_name
  return ''
})

const activeChatSub = computed(() => {
  if (activeChatChannel.value) return 'Mesh channel'
  if (activeChatPeer.value) return truncatePubkey(activeChatPeer.value.pubkey_hex)
  return ''
})

const hasActiveChat = computed(() => !!activeChatPeer.value || !!activeChatChannel.value)

// Messages filtered to the active chat
const chatMessages = computed(() => {
  if (activeChatChannel.value) {
    // Channel messages have negative contact_id = -(channel_index + 1)
    const chanId = -(activeChatChannel.value.index + 1)
    return mesh.messages.filter(m => m.peer_contact_id === chanId)
  }
  if (activeChatPeer.value) {
    const cid = activeChatPeer.value.contact_id
    return mesh.messages.filter(m => m.peer_contact_id === cid)
  }
  return []
})

// Check if a peer is an Archipelago node (name starts with "Archy-")
function isArchyNode(peer: MeshPeer): boolean {
  return peer.advert_name.startsWith('Archy-')
}

// Sort peers: Archy nodes first, then alphabetical
const sortedPeers = computed(() => {
  return [...mesh.peers].sort((a, b) => {
    const aArchy = isArchyNode(a) ? 0 : 1
    const bArchy = isArchyNode(b) ? 0 : 1
    if (aArchy !== bArchy) return aArchy - bArchy
    return a.advert_name.localeCompare(b.advert_name)
  })
})

function openChat(peer: MeshPeer) {
  activeChatPeer.value = peer
  activeChatChannel.value = null
  sendError.value = ''
  messageText.value = ''
  activeTab.value = 'chat'
  mesh.markChatRead(peer.contact_id)
  nextTick(() => scrollChatToBottom())
}

function openChannelChat(channel: { index: number; name: string }) {
  activeChatChannel.value = channel
  activeChatPeer.value = null
  sendError.value = ''
  messageText.value = ''
  activeTab.value = 'chat'
  nextTick(() => scrollChatToBottom())
}

function closeChat() {
  activeChatPeer.value = null
  activeChatChannel.value = null
  mesh.clearViewingChat()
}

async function handleSendMessage() {
  if (!activeChatPeer.value || !messageText.value.trim()) return
  sendError.value = ''
  try {
    await mesh.sendMessage(activeChatPeer.value.contact_id, messageText.value)
    messageText.value = ''
    nextTick(() => scrollChatToBottom())
  } catch (err: unknown) {
    sendError.value = err instanceof Error ? err.message : 'Send failed'
  }
}

function scrollChatToBottom() {
  if (chatScrollEl.value) {
    chatScrollEl.value.scrollTop = chatScrollEl.value.scrollHeight
  }
}

async function handleBroadcast() {
  broadcasting.value = true
  try { await mesh.broadcastIdentity() } finally { broadcasting.value = false }
}

async function handleToggleEnabled() {
  configuring.value = true
  try {
    const newEnabled = !(mesh.status?.enabled ?? false)
    await mesh.configure({ enabled: newEnabled })
  } finally { configuring.value = false }
}

function signalBars(rssi: number | null): number {
  if (rssi === null) return 0
  if (rssi > -60) return 4
  if (rssi > -75) return 3
  if (rssi > -90) return 2
  return 1
}

function timeAgo(iso: string): string {
  const diff = Date.now() - new Date(iso).getTime()
  const secs = Math.floor(diff / 1000)
  if (secs < 60) return `${secs}s ago`
  const mins = Math.floor(secs / 60)
  if (mins < 60) return `${mins}m ago`
  const hours = Math.floor(mins / 60)
  return `${hours}h ago`
}

function truncatePubkey(hex: string | null): string {
  if (!hex) return ''
  return hex.slice(0, 8) + '...' + hex.slice(-6)
}
</script>

<template>
  <div class="mesh-view">
    <!-- Header (hidden on mobile — title is in the tab bar) -->
    <div class="mesh-header hidden md:flex">
      <div class="mesh-header-left">
        <h1 class="mesh-title">Mesh Network</h1>
        <p class="mesh-subtitle">
          {{ mesh.status?.peer_count ?? 0 }} peer{{ (mesh.status?.peer_count ?? 0) !== 1 ? 's' : '' }}
          <span v-if="mesh.status?.device_connected" class="mesh-subtitle-badge">Live</span>
        </p>
      </div>
      <a
        href="https://flasher.meshcore.co.uk/"
        target="_blank"
        rel="noopener noreferrer"
        class="glass-button mesh-flasher-btn"
      >
        Flash Meshcore <span class="mesh-flasher-sep">|</span> Choose Companion USB
      </a>
    </div>

    <!-- Error banner -->
    <div v-if="mesh.error" class="mesh-error">{{ mesh.error }}</div>

    <!-- Two-column layout (desktop) / single-column (mobile) -->
    <div class="mesh-columns">
      <!-- LEFT COLUMN: Status + Peers -->
      <div class="mesh-left">
        <!-- Device Status -->
        <div class="glass-card mesh-status-card">
          <div class="mesh-status-header">
            <div class="mesh-status-indicator" :class="mesh.status?.device_connected ? 'connected' : 'disconnected'" />
            <h2 class="mesh-section-title">Device</h2>
          </div>

          <div v-if="mesh.loading && !mesh.status" class="mesh-loading">Loading...</div>

          <div v-else-if="mesh.status" class="mesh-status-grid">
            <div class="mesh-stat">
              <span class="mesh-stat-label">Status</span>
              <span class="mesh-stat-value" :class="mesh.status.device_connected ? 'text-green' : mesh.status.enabled ? 'text-orange' : 'text-muted'">
                {{ mesh.status.device_connected ? 'Broadcasting' : mesh.status.enabled ? 'Connecting...' : 'Disabled' }}
              </span>
            </div>
            <div class="mesh-stat">
              <span class="mesh-stat-label">Type</span>
              <span class="mesh-stat-value">{{ mesh.status.device_type === 'unknown' ? '—' : mesh.status.device_type }}</span>
            </div>
            <div class="mesh-stat">
              <span class="mesh-stat-label">Port</span>
              <span class="mesh-stat-value">{{ mesh.status.device_path ?? 'Auto' }}</span>
            </div>
            <div class="mesh-stat">
              <span class="mesh-stat-label">Sent</span>
              <span class="mesh-stat-value">{{ mesh.status.messages_sent }}</span>
            </div>
            <div class="mesh-stat">
              <span class="mesh-stat-label">Recv</span>
              <span class="mesh-stat-value">{{ mesh.status.messages_received }}</span>
            </div>
            <div class="mesh-stat">
              <span class="mesh-stat-label">Channel</span>
              <span class="mesh-stat-value">{{ mesh.status.channel_name }}</span>
            </div>
          </div>

          <!-- Detected USB devices -->
          <div v-if="mesh.status?.detected_devices?.length" class="mesh-detected-devices">
            <div v-for="dev in mesh.status.detected_devices" :key="dev" class="mesh-device-row">
              <div class="mesh-device-indicator" />
              <span class="mesh-device-path">{{ dev }}</span>
            </div>
          </div>
        </div>

        <!-- Off-grid mode banner -->
        <div v-if="transport.meshOnly" class="mesh-offgrid-banner">
          <svg class="w-4 h-4 text-orange-400 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M18.364 5.636a9 9 0 11-12.728 0M12 9v4m0 4h.01" />
          </svg>
          <span class="text-sm font-medium text-orange-300">OFF-GRID</span>
          <span class="text-xs text-white/50">Tor disabled — mesh only</span>
        </div>

        <!-- Actions row -->
        <div class="mesh-actions">
          <button class="glass-button mesh-action-btn" :disabled="configuring" @click="handleToggleEnabled">
            {{ mesh.status?.enabled ? 'Disable' : 'Enable' }}
          </button>
          <button class="glass-button mesh-action-btn" :disabled="!mesh.status?.device_connected || broadcasting" @click="handleBroadcast">
            {{ broadcasting ? 'Sending...' : 'Broadcast' }}
          </button>
          <button
            class="glass-button mesh-action-btn"
            :class="transport.meshOnly ? 'mesh-offgrid-active' : ''"
            :disabled="togglingOffGrid"
            @click="handleToggleOffGrid"
          >
            {{ transport.meshOnly ? 'Go Online' : 'Off-Grid' }}
          </button>
          <button class="glass-button mesh-action-btn" @click="mesh.refreshAll()">Refresh</button>
        </div>

        <!-- Peers list (scrollable) -->
        <div class="glass-card mesh-peers-card">
          <h2 class="mesh-section-title">Peers <span class="mesh-peer-count">{{ mesh.peers.length }}</span></h2>

          <div v-if="mesh.peers.length === 0 && !mesh.status?.device_connected" class="mesh-empty">
            No peers discovered yet.
          </div>

          <div v-else class="mesh-peer-list">
            <!-- Public channel -->
            <div
              class="mesh-peer-row is-channel"
              :class="{ active: activeChatChannel?.index === 0 }"
              @click="openChannelChat(publicChannel)"
            >
              <div class="mesh-peer-avatar channel">#</div>
              <div class="mesh-peer-info">
                <div class="mesh-peer-name">Public</div>
                <div class="mesh-peer-sub">Mesh channel</div>
              </div>
            </div>
            <div
              v-for="peer in sortedPeers" :key="peer.contact_id"
              class="mesh-peer-row"
              :class="{ active: activeChatPeer?.contact_id === peer.contact_id, 'is-archy': isArchyNode(peer) }"
              @click="openChat(peer)"
            >
              <div class="mesh-peer-avatar" :class="{ archy: isArchyNode(peer) }">
                <AnimatedLogo v-if="isArchyNode(peer)" size="sm" />
                <template v-else>{{ peer.advert_name.charAt(0).toUpperCase() }}</template>
              </div>
              <div class="mesh-peer-info">
                <div class="mesh-peer-name">
                  {{ peer.advert_name || `Node #${peer.contact_id}` }}
                  <span v-if="isArchyNode(peer)" class="mesh-peer-archy-badge">Archy</span>
                </div>
                <div class="mesh-peer-sub">{{ truncatePubkey(peer.pubkey_hex) }}</div>
              </div>
              <span v-if="mesh.unreadCounts[peer.contact_id]" class="mesh-unread-badge">
                {{ mesh.unreadCounts[peer.contact_id] }}
              </span>
              <div class="mesh-peer-signal">
                <div class="mesh-signal-bars">
                  <div v-for="i in 4" :key="i" class="mesh-signal-bar" :class="{ active: i <= signalBars(peer.rssi) }" />
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>

      <!-- RIGHT COLUMN: Tabbed panels -->
      <div class="mesh-right">
        <!-- Tab bar -->
        <div class="mesh-tab-bar">
          <button class="mesh-tab" :class="{ active: activeTab === 'chat' }" @click="activeTab = 'chat'">Chat</button>
          <button class="mesh-tab" :class="{ active: activeTab === 'bitcoin' }" @click="activeTab = 'bitcoin'">
            Off-Grid Bitcoin
            <span v-if="mesh.latestBlockHeight > 0" class="mesh-tab-badge">{{ mesh.latestBlockHeight }}</span>
          </button>
          <button class="mesh-tab" :class="{ active: activeTab === 'deadman' }" @click="activeTab = 'deadman'">
            Dead Man
            <span v-if="mesh.deadmanStatus?.triggered" class="mesh-tab-badge mesh-tab-badge-alert">!</span>
          </button>
        </div>

        <!-- Off-Grid Bitcoin Panel -->
        <div v-if="activeTab === 'bitcoin'" class="glass-card mesh-bitcoin-panel">
          <h3 class="mesh-panel-title">Off-Grid Bitcoin</h3>
          <p class="mesh-panel-sub">Relay transactions and receive block headers via mesh radio</p>

          <!-- Relay status notification -->
          <div v-if="relayResult" class="mesh-relay-result" :class="relayResult.includes('failed') || relayResult.includes('Failed') ? 'error' : 'success'">
            {{ relayResult }}
          </div>

          <!-- Block Headers -->
          <div class="mesh-bitcoin-section">
            <div class="mesh-bitcoin-section-header">
              <span class="mesh-bitcoin-label">Latest Block</span>
              <span v-if="mesh.latestBlockHeight > 0" class="mesh-bitcoin-height">#{{ mesh.latestBlockHeight.toLocaleString() }}</span>
              <span v-else class="mesh-bitcoin-height mesh-muted">No headers yet</span>
            </div>
            <div v-if="mesh.blockHeaders.length" class="mesh-block-list">
              <div v-for="h in mesh.blockHeaders.slice(0, 2)" :key="h.height" class="mesh-block-row">
                <span class="mesh-block-height">#{{ h.height.toLocaleString() }}</span>
                <span class="mesh-block-hash">{{ h.hash.slice(0, 12) }}...{{ h.hash.slice(-8) }}</span>
              </div>
            </div>
          </div>

          <!-- On-Chain / Lightning tabs -->
          <div class="mesh-send-tabs">
            <button class="mesh-send-tab" :class="{ active: sendTab === 'onchain' }" @click="sendTab = 'onchain'">On-Chain</button>
            <button class="mesh-send-tab" :class="{ active: sendTab === 'lightning' }" @click="sendTab = 'lightning'">Lightning</button>
          </div>

          <!-- On-Chain tab -->
          <div v-if="sendTab === 'onchain'" class="mesh-bitcoin-section">
            <p class="mesh-bitcoin-hint">Creates a signed transaction locally and relays via mesh peers</p>
            <input v-model="meshSendAddr" class="mesh-bitcoin-input" placeholder="Bitcoin address (bc1...)" />
            <input v-model="meshSendAmount" class="mesh-bitcoin-input mesh-bitcoin-input-sm" type="number" placeholder="Amount (sats)" min="546" />
            <div class="mesh-relay-mode">
              <label class="mesh-relay-mode-option" :class="{ active: relayMode === 'archy' }">
                <input type="radio" v-model="relayMode" value="archy" />
                <span>Archy Peers <small>(E2E encrypted, direct)</small></span>
              </label>
              <label class="mesh-relay-mode-option" :class="{ active: relayMode === 'broadcast' }">
                <input type="radio" v-model="relayMode" value="broadcast" />
                <span>Mesh Broadcast <small>(multi-hop, wider reach)</small></span>
              </label>
            </div>
            <button class="glass-button" :disabled="!meshSendAddr.trim() || !meshSendAmount || relayingTx" @click="handleMeshSendBitcoin">
              {{ relayingTx ? 'Sending...' : 'Send via Mesh' }}
            </button>
            <details class="mesh-bitcoin-advanced">
              <summary class="mesh-bitcoin-label">Raw TX Relay</summary>
              <div style="margin-top: 8px;">
                <textarea v-model="txHexInput" class="mesh-bitcoin-input" placeholder="Paste raw transaction hex..." rows="3" />
                <button class="glass-button" :disabled="!txHexInput.trim() || relayingTx" @click="handleRelayTx">
                  {{ relayingTx ? 'Relaying...' : 'Relay Raw TX' }}
                </button>
              </div>
            </details>
          </div>

          <!-- Lightning tab -->
          <div v-if="sendTab === 'lightning'" class="mesh-bitcoin-section">
            <p class="mesh-bitcoin-hint">Relays a Lightning invoice to an internet-connected peer for payment</p>
            <input v-model="bolt11Input" class="mesh-bitcoin-input" placeholder="lnbc... (bolt11 invoice)" />
            <input v-model="bolt11AmountInput" class="mesh-bitcoin-input mesh-bitcoin-input-sm" type="number" placeholder="Amount (sats)" />
            <div class="mesh-relay-mode">
              <label class="mesh-relay-mode-option" :class="{ active: relayMode === 'archy' }">
                <input type="radio" v-model="relayMode" value="archy" />
                <span>Archy Peers <small>(E2E encrypted, direct)</small></span>
              </label>
              <label class="mesh-relay-mode-option" :class="{ active: relayMode === 'broadcast' }">
                <input type="radio" v-model="relayMode" value="broadcast" />
                <span>Mesh Broadcast <small>(multi-hop, wider reach)</small></span>
              </label>
            </div>
            <button class="glass-button" :disabled="!bolt11Input.trim() || !bolt11AmountInput || relayingLn" @click="handleRelayLightning">
              {{ relayingLn ? 'Relaying...' : 'Pay via Mesh' }}
            </button>
          </div>

        </div>

        <!-- Dead Man's Switch Panel -->
        <div v-if="activeTab === 'deadman'" class="glass-card mesh-deadman-panel">
          <h3 class="mesh-panel-title">Dead Man's Switch</h3>
          <p class="mesh-panel-sub">Auto-broadcasts a signed emergency alert if you don't check in</p>

          <!-- Status -->
          <div v-if="mesh.deadmanStatus" class="mesh-deadman-status">
            <div class="mesh-deadman-indicator" :class="mesh.deadmanStatus.triggered ? 'triggered' : mesh.deadmanStatus.dead_man_enabled ? 'armed' : 'disabled'">
              {{ mesh.deadmanStatus.triggered ? 'TRIGGERED' : mesh.deadmanStatus.dead_man_enabled ? 'ARMED' : 'DISABLED' }}
            </div>
            <div v-if="mesh.deadmanStatus.dead_man_enabled && !mesh.deadmanStatus.triggered" class="mesh-deadman-timer">
              {{ formatTimeRemaining(mesh.deadmanStatus.time_remaining_secs) }}
            </div>
            <div v-if="deadmanCustomMsg || mesh.deadmanStatus.dead_man_enabled" class="mesh-deadman-message">
              {{ deadmanCustomMsg || 'Dead man\'s switch triggered — operator unresponsive' }}
            </div>
            <button v-if="mesh.deadmanStatus.dead_man_enabled" class="glass-button mesh-deadman-checkin-btn" @click="handleDeadmanCheckin">
              I'm OK — Check In
            </button>
          </div>

          <!-- Configuration -->
          <div class="mesh-deadman-config">
            <label class="mesh-deadman-toggle">
              <input v-model="deadmanEnabled" type="checkbox" @change="handleDeadmanToggle" />
              <span>{{ deadmanEnabled ? 'Dead Man\'s Switch Active' : 'Enable Dead Man\'s Switch' }}</span>
            </label>

            <template v-if="deadmanEnabled">
              <div class="mesh-deadman-field">
                <label class="mesh-bitcoin-label">Trigger Interval</label>
                <select v-model="deadmanInterval" class="mesh-bitcoin-input mesh-bitcoin-input-sm">
                  <option value="3600">1 hour</option>
                  <option value="21600">6 hours</option>
                  <option value="43200">12 hours</option>
                  <option value="86400">24 hours</option>
                </select>
              </div>

              <div class="mesh-deadman-field">
                <label class="mesh-bitcoin-label">Alert Message</label>
                <input v-model="deadmanCustomMsg" class="mesh-bitcoin-input" placeholder="Dead man's switch triggered — operator unresponsive" />
              </div>

              <div class="mesh-deadman-info">
                <span v-if="mesh.deadmanStatus?.has_gps" class="mesh-deadman-info-item">GPS: included</span>
                <span class="mesh-deadman-info-item">Contacts: {{ mesh.deadmanStatus?.emergency_contacts ?? 0 }}</span>
              </div>

              <button class="glass-button" :disabled="deadmanConfiguring" @click="handleDeadmanConfigure">
                {{ deadmanConfiguring ? 'Saving...' : 'Save Configuration' }}
              </button>
            </template>
          </div>
        </div>

        <!-- Chat Panel (existing) -->
        <div v-if="activeTab === 'chat'" class="glass-card mesh-chat-card">
          <!-- No chat selected -->
          <div v-if="!hasActiveChat" class="mesh-chat-empty">
            <div class="mesh-chat-empty-icon">&#x1F4E1;</div>
            <p>Select a peer or channel to chat</p>
            <p class="mesh-chat-empty-sub">Messages are sent over LoRa mesh radio</p>
          </div>

          <!-- Chat active -->
          <template v-else>
            <!-- Chat header -->
            <div class="mesh-chat-header">
              <button class="mesh-chat-back" @click="closeChat">&larr;</button>
              <div class="mesh-chat-header-info">
                <div class="mesh-chat-header-name">
                  {{ activeChatName }}
                  <span v-if="activeChatPeer && isArchyNode(activeChatPeer)" class="mesh-peer-archy-badge">Archy</span>
                  <span v-if="activeChatChannel" class="mesh-peer-channel-badge">Channel</span>
                </div>
                <div class="mesh-chat-header-sub">{{ activeChatSub }}</div>
              </div>
              <div class="mesh-chat-header-status">
                <span v-if="activeChatPeer && peerSessionInfo" class="mesh-session-badge" :class="peerSessionInfo.forward_secrecy ? 'session-ratchet' : peerSessionInfo.has_session ? 'session-static' : 'session-none'" :title="peerSessionInfo.forward_secrecy ? 'Double Ratchet (forward secrecy)' : peerSessionInfo.has_session ? 'Static encryption' : 'No encryption'">&#x1F6E1;</span>
                <span v-if="activeChatPeer" class="mesh-chat-header-time">{{ timeAgo(activeChatPeer.last_heard) }}</span>
              </div>
            </div>

            <!-- Messages area -->
            <div ref="chatScrollEl" class="mesh-chat-messages">
              <div v-if="chatMessages.length === 0" class="mesh-chat-no-messages">
                No messages yet. Say hello!
              </div>
              <div
                v-for="msg in chatMessages" :key="msg.id"
                class="mesh-chat-bubble-wrapper"
                :class="msg.direction"
              >
                <div class="mesh-chat-bubble" :class="[msg.direction, msg.message_type ? 'typed-' + msg.message_type : '']">
                  <!-- Invoice card -->
                  <div v-if="msg.message_type === 'invoice' && msg.typed_payload" class="mesh-typed-invoice">
                    <div class="mesh-typed-invoice-header">
                      <span class="mesh-typed-icon">&#x26A1;</span>
                      <span class="mesh-typed-label">Lightning Invoice</span>
                      <span v-if="msg.typed_payload.paid" class="mesh-typed-paid">Paid</span>
                    </div>
                    <div class="mesh-typed-invoice-amount">{{ (msg.typed_payload.amount_sats || 0).toLocaleString() }} sats</div>
                    <div v-if="msg.typed_payload.memo" class="mesh-typed-invoice-memo">{{ msg.typed_payload.memo }}</div>
                    <div class="mesh-typed-invoice-bolt11">{{ (msg.typed_payload.bolt11 || '').substring(0, 40) }}...</div>
                  </div>
                  <!-- Alert card -->
                  <div v-else-if="msg.message_type === 'alert' && msg.typed_payload" class="mesh-typed-alert" :class="'alert-' + (msg.typed_payload.alert_type || 'status')">
                    <div class="mesh-typed-alert-header">
                      <span class="mesh-typed-icon">{{ msg.typed_payload.alert_type === 'emergency' ? '&#x1F6A8;' : msg.typed_payload.alert_type === 'dead_man' ? '&#x2620;' : '&#x2139;' }}</span>
                      <span class="mesh-typed-label">{{ msg.typed_payload.alert_type === 'emergency' ? 'EMERGENCY' : msg.typed_payload.alert_type === 'dead_man' ? 'DEAD MAN' : 'Status' }}</span>
                      <span v-if="msg.typed_payload.signed" class="mesh-typed-signed">Signed</span>
                    </div>
                    <div class="mesh-typed-alert-message">{{ msg.typed_payload.message }}</div>
                    <a v-if="msg.typed_payload.coordinate" class="mesh-typed-alert-location" :href="'https://www.openstreetmap.org/?mlat=' + (msg.typed_payload.coordinate.lat / 1000000) + '&mlon=' + (msg.typed_payload.coordinate.lng / 1000000) + '&zoom=14'" target="_blank" rel="noopener">
                      &#x1F4CD; {{ msg.typed_payload.coordinate.label || 'View location' }}
                    </a>
                  </div>
                  <!-- Coordinate card -->
                  <div v-else-if="msg.message_type === 'coordinate' && msg.typed_payload" class="mesh-typed-coordinate">
                    <div class="mesh-typed-coordinate-header">
                      <span class="mesh-typed-icon">&#x1F4CD;</span>
                      <span class="mesh-typed-label">Location</span>
                    </div>
                    <div class="mesh-typed-coordinate-value">{{ (msg.typed_payload.lat / 1000000).toFixed(4) }}, {{ (msg.typed_payload.lng / 1000000).toFixed(4) }}</div>
                    <div v-if="msg.typed_payload.label" class="mesh-typed-coordinate-label">{{ msg.typed_payload.label }}</div>
                    <a class="mesh-typed-coordinate-link" :href="'https://www.openstreetmap.org/?mlat=' + (msg.typed_payload.lat / 1000000) + '&mlon=' + (msg.typed_payload.lng / 1000000) + '&zoom=14'" target="_blank" rel="noopener">Open Map</a>
                  </div>
                  <!-- Block header -->
                  <div v-else-if="msg.message_type === 'block_header' && msg.typed_payload" class="mesh-typed-block">
                    <span class="mesh-typed-icon">&#x26D3;</span>
                    <span class="mesh-typed-label">{{ msg.typed_payload.message || msg.plaintext }}</span>
                  </div>
                  <!-- Default: plain text -->
                  <div v-else class="mesh-chat-bubble-text">{{ msg.plaintext }}</div>
                  <div class="mesh-chat-bubble-meta">
                    <span v-if="msg.encrypted" class="mesh-chat-e2e">E2E</span>
                    <span v-if="msg.delivered && msg.direction === 'sent'" class="mesh-chat-ack">&#x2713;&#x2713;</span>
                    <span class="mesh-chat-bubble-time">{{ timeAgo(msg.timestamp) }}</span>
                  </div>
                </div>
              </div>
            </div>

            <!-- Compose bar -->
            <div class="mesh-chat-compose">
              <div v-if="sendError" class="mesh-chat-send-error">{{ sendError }}</div>
              <div class="mesh-chat-compose-row">
                <input
                  v-model="messageText"
                  class="mesh-chat-input"
                  placeholder="Type a message..."
                  maxlength="160"
                  @keydown.enter.exact.prevent="handleSendMessage"
                />
                <button
                  class="glass-button mesh-chat-send-btn"
                  :disabled="!messageText.trim() || mesh.sending"
                  @click="handleSendMessage"
                >
                  {{ mesh.sending ? '...' : 'Send' }}
                </button>
              </div>
              <div class="mesh-chat-compose-meta">
                <span>{{ messageText.length }}/160</span>
              </div>
            </div>
          </template>
        </div>
      </div>
    </div>
  </div>
</template>

<style scoped>
.mesh-view {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  overflow: hidden;
}

.mesh-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.mesh-header-left { flex: 1; }

.mesh-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.95);
  margin: 0;
}

.mesh-subtitle {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  margin: 2px 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mesh-subtitle-badge {
  font-size: 0.65rem;
  font-weight: 600;
  color: #4ade80;
  background: rgba(74, 222, 128, 0.12);
  padding: 1px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mesh-flasher-btn {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 8px 16px;
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.mesh-flasher-sep {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.2);
}

.mesh-error {
  color: #ef4444;
  font-size: 0.85rem;
  padding: 8px 12px;
  background: rgba(239, 68, 68, 0.1);
  border-radius: 8px;
  border: 1px solid rgba(239, 68, 68, 0.2);
  flex-shrink: 0;
}

/* ─── Two-column layout ─── */
.mesh-columns {
  display: flex;
  gap: 16px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.mesh-left {
  width: 380px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  overflow-y: auto;
}

.mesh-right {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

/* ─── Status card ─── */
.mesh-status-card { padding: 16px; flex-shrink: 0; }

.mesh-status-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.mesh-status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mesh-status-indicator.connected {
  background: #4ade80;
  box-shadow: 0 0 6px rgba(74, 222, 128, 0.5);
}

.mesh-status-indicator.disconnected {
  background: rgba(255, 255, 255, 0.3);
}

.mesh-section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.mesh-status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mesh-stat {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
}

.mesh-stat-label {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mesh-stat-value {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.text-green { color: #4ade80; }
.text-orange { color: #fb923c; }
.text-muted { color: rgba(255, 255, 255, 0.4); }

.mesh-loading, .mesh-empty {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
  text-align: center;
  padding: 16px 0;
}

.mesh-detected-devices { margin-top: 10px; padding-top: 10px; border-top: 1px solid rgba(255, 255, 255, 0.06); }

.mesh-device-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
}

.mesh-device-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 4px rgba(74, 222, 128, 0.4);
  flex-shrink: 0;
}

.mesh-device-path {
  font-family: monospace;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ─── Off-grid banner ─── */
.mesh-offgrid-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(251, 146, 60, 0.1);
  border: 1px solid rgba(251, 146, 60, 0.3);
  border-radius: 8px;
  flex-shrink: 0;
}
.mesh-offgrid-active {
  border-color: rgba(251, 146, 60, 0.4) !important;
  color: #fb923c !important;
}

/* ─── Actions ─── */
.mesh-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.mesh-action-btn {
  flex: 1;
  padding: 8px 0;
  font-size: 0.8rem;
}

/* ─── Peers list ─── */
.mesh-peers-card {
  padding: 14px;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.mesh-peers-card .mesh-section-title {
  margin-bottom: 10px;
  flex-shrink: 0;
}

.mesh-peer-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.mesh-peer-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.mesh-peer-row:hover {
  background: rgba(255, 255, 255, 0.06);
}

.mesh-peer-row.active {
  background: rgba(251, 146, 60, 0.1);
  border: 1px solid rgba(251, 146, 60, 0.2);
}

.mesh-peer-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
  font-weight: 600;
}

.mesh-peer-avatar.archy {
  background: rgba(251, 146, 60, 0.15);
  padding: 0;
  overflow: hidden;
}

.mesh-peer-avatar.archy :deep(> div) {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  overflow: hidden;
}

.mesh-peer-avatar.channel {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  font-weight: 700;
  font-size: 1.1rem;
}

.mesh-peer-channel-badge {
  font-size: 0.6rem;
  font-weight: 700;
  color: #3b82f6;
  background: rgba(59, 130, 246, 0.12);
  padding: 1px 5px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mesh-peer-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 6px;
  vertical-align: middle;
}

.mesh-peer-row.is-channel {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  padding-bottom: 12px;
  margin-bottom: 4px;
}

.mesh-peer-info {
  flex: 1;
  min-width: 0;
}

.mesh-peer-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 6px;
}

.mesh-peer-archy-badge {
  font-size: 0.6rem;
  font-weight: 700;
  color: #fb923c;
  background: rgba(251, 146, 60, 0.12);
  padding: 1px 5px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mesh-peer-sub {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.3);
  font-family: monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mesh-peer-signal {
  flex-shrink: 0;
}

.mesh-signal-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.mesh-signal-bar {
  width: 3px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.mesh-signal-bar:nth-child(1) { height: 3px; }
.mesh-signal-bar:nth-child(2) { height: 6px; }
.mesh-signal-bar:nth-child(3) { height: 10px; }
.mesh-signal-bar:nth-child(4) { height: 14px; }

.mesh-signal-bar.active { background: #4ade80; }

.mesh-unread-badge {
  background: #fb923c;
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  flex-shrink: 0;
}

/* ─── Chat panel ─── */
.mesh-chat-card {
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.mesh-chat-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  gap: 8px;
  padding: 40px;
}

.mesh-chat-empty-icon {
  font-size: 3rem;
  opacity: 0.4;
}

.mesh-chat-empty p {
  margin: 0;
  font-size: 0.9rem;
}

.mesh-chat-empty-sub {
  font-size: 0.75rem !important;
  color: rgba(255, 255, 255, 0.2);
}

/* Chat header */
.mesh-chat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.mesh-chat-back {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  display: none; /* hidden on desktop, shown on mobile */
}

.mesh-chat-header-info { flex: 1; min-width: 0; }

.mesh-chat-header-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 6px;
}

.mesh-chat-header-sub {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.3);
  font-family: monospace;
}

.mesh-chat-header-status {
  flex-shrink: 0;
}

.mesh-chat-header-time {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.3);
}

/* Chat messages */
.mesh-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}

.mesh-chat-no-messages {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.85rem;
}

.mesh-chat-bubble-wrapper {
  display: flex;
}

.mesh-chat-bubble-wrapper.sent {
  justify-content: flex-end;
}

.mesh-chat-bubble-wrapper.received {
  justify-content: flex-start;
}

.mesh-chat-bubble {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: 16px;
  word-break: break-word;
}

.mesh-chat-bubble.sent {
  background: rgba(251, 146, 60, 0.15);
  border: 1px solid rgba(251, 146, 60, 0.2);
  border-bottom-right-radius: 4px;
}

.mesh-chat-bubble.received {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom-left-radius: 4px;
}

.mesh-chat-bubble-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  line-height: 1.4;
}

.mesh-chat-bubble-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  justify-content: flex-end;
}

.mesh-chat-bubble-time {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.3);
}

.mesh-chat-e2e {
  font-size: 0.55rem;
  font-weight: 700;
  color: #4ade80;
  padding: 0 3px;
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: 3px;
}

.mesh-chat-ack {
  font-size: 0.7rem;
  color: #3b82f6;
}

/* Compose bar */
.mesh-chat-compose {
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.mesh-chat-send-error {
  color: #ef4444;
  font-size: 0.75rem;
  margin-bottom: 6px;
}

.mesh-chat-compose-row {
  display: flex;
  gap: 8px;
}

.mesh-chat-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.9);
  padding: 10px 16px;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
}

.mesh-chat-input:focus {
  border-color: rgba(251, 146, 60, 0.4);
}

.mesh-chat-input::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

.mesh-chat-send-btn {
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 0.85rem;
  background: rgba(251, 146, 60, 0.15);
  border-color: rgba(251, 146, 60, 0.25);
}

.mesh-chat-send-btn:hover:not(:disabled) {
  background: rgba(251, 146, 60, 0.25);
}

.mesh-chat-compose-meta {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.25);
  text-align: right;
  margin-top: 4px;
}

/* ─── Mobile: keep single column ─── */
@media (max-width: 768px) {
  .mesh-view {
    height: auto;
    padding: 0;
  }

  .mesh-columns {
    flex-direction: column;
    overflow: visible;
  }

  .mesh-left {
    width: 100%;
    overflow: visible;
  }

  .mesh-right {
    min-height: 400px;
  }

  .mesh-status-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mesh-chat-back {
    display: block;
  }
}

/* ─── Session badge ─── */
.mesh-session-badge {
  font-size: 0.75rem;
  margin-right: 6px;
  opacity: 0.7;
}
.session-ratchet { color: #4ade80; opacity: 1; }
.session-static { color: #fbbf24; }
.session-none { color: rgba(255,255,255,0.3); }

/* ─── Typed message cards ─── */
.mesh-typed-icon { margin-right: 4px; }
.mesh-typed-label { font-weight: 600; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* Invoice */
.typed-invoice { border-left: 3px solid #fb923c; }
.mesh-typed-invoice { padding: 4px 0; }
.mesh-typed-invoice-header { display: flex; align-items: center; gap: 4px; margin-bottom: 4px; color: #fb923c; font-size: 0.75rem; }
.mesh-typed-invoice-amount { font-size: 1.1rem; font-weight: 700; color: #fb923c; }
.mesh-typed-invoice-memo { font-size: 0.8rem; color: rgba(255,255,255,0.7); margin-top: 2px; }
.mesh-typed-invoice-bolt11 { font-size: 0.65rem; color: rgba(255,255,255,0.3); font-family: monospace; margin-top: 4px; word-break: break-all; }
.mesh-typed-paid { background: rgba(74,222,128,0.2); color: #4ade80; font-size: 0.65rem; padding: 1px 6px; border-radius: 4px; margin-left: auto; }

/* Alert */
.typed-alert { border-left: 3px solid #ef4444; }
.typed-alert.alert-status { border-left-color: #3b82f6; }
.mesh-typed-alert { padding: 4px 0; }
.mesh-typed-alert-header { display: flex; align-items: center; gap: 4px; margin-bottom: 4px; font-size: 0.75rem; }
.alert-emergency .mesh-typed-alert-header { color: #ef4444; }
.alert-dead_man .mesh-typed-alert-header { color: #ef4444; }
.alert-status .mesh-typed-alert-header { color: #3b82f6; }
.mesh-typed-alert-message { font-size: 0.85rem; color: rgba(255,255,255,0.9); }
.mesh-typed-alert-location { display: block; font-size: 0.75rem; color: #3b82f6; margin-top: 4px; text-decoration: underline; }
.mesh-typed-signed { font-size: 0.6rem; color: #4ade80; border: 1px solid rgba(74,222,128,0.3); padding: 0 4px; border-radius: 3px; margin-left: auto; }

/* Coordinate */
.typed-coordinate { border-left: 3px solid #3b82f6; }
.mesh-typed-coordinate { padding: 4px 0; }
.mesh-typed-coordinate-header { display: flex; align-items: center; gap: 4px; margin-bottom: 4px; color: #3b82f6; font-size: 0.75rem; }
.mesh-typed-coordinate-value { font-size: 0.9rem; font-family: monospace; color: rgba(255,255,255,0.8); }
.mesh-typed-coordinate-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 2px; }
.mesh-typed-coordinate-link { display: inline-block; font-size: 0.75rem; color: #3b82f6; margin-top: 4px; text-decoration: underline; }

/* Block header */
.typed-block_header { border-left: 3px solid #a855f7; }
.mesh-typed-block { display: flex; align-items: center; gap: 4px; color: #a855f7; font-size: 0.8rem; }

/* ─── Tab bar ─── */
.mesh-tab-bar {
  display: flex;
  gap: 2px;
  background: rgba(0,0,0,0.3);
  border-radius: 10px;
  padding: 3px;
  flex-shrink: 0;
}
.mesh-tab {
  flex: 1;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.5);
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.mesh-tab:hover { color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.05); }
.mesh-tab.active { color: #fff; background: rgba(255,255,255,0.1); }
.mesh-tab-badge {
  font-size: 0.65rem;
  background: rgba(251,146,60,0.2);
  color: #fb923c;
  padding: 1px 5px;
  border-radius: 4px;
  font-weight: 600;
}
.mesh-tab-badge-alert {
  background: rgba(239,68,68,0.3);
  color: #ef4444;
  animation: pulse-alert 1.5s infinite;
}
@keyframes pulse-alert { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ─── Panel shared ─── */
.mesh-panel-title { font-size: 1rem; font-weight: 600; color: rgba(255,255,255,0.9); margin: 0 0 4px; }
.mesh-panel-sub { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin: 0 0 16px; }
.mesh-muted { color: rgba(255,255,255,0.4); }

/* ─── Bitcoin panel ─── */
.mesh-bitcoin-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  flex: 1;
  overflow-y: auto;
}
.mesh-bitcoin-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
}
.mesh-bitcoin-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mesh-bitcoin-label { font-size: 0.78rem; color: rgba(255,255,255,0.6); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.mesh-bitcoin-height { font-size: 1.1rem; font-weight: 700; color: #fb923c; font-family: monospace; }
.mesh-bitcoin-input {
  width: 100%;
  padding: 8px 10px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  font-family: monospace;
  resize: vertical;
}
.mesh-bitcoin-input::placeholder { color: rgba(255,255,255,0.3); }
.mesh-bitcoin-input:focus { outline: none; border-color: rgba(251,146,60,0.4); }
.mesh-bitcoin-input-sm { max-width: 200px; }
.mesh-relay-mode {
  display: flex;
  gap: 8px;
  margin: 8px 0;
}
.mesh-relay-mode-option {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.2);
  cursor: pointer;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  transition: all 0.2s ease;
}
.mesh-relay-mode-option:hover { border-color: rgba(255,255,255,0.2); }
.mesh-relay-mode-option.active {
  border-color: rgba(251,146,60,0.4);
  background: rgba(251,146,60,0.08);
  color: rgba(255,255,255,0.9);
}
.mesh-relay-mode-option input[type="radio"] { display: none; }
.mesh-relay-mode-icon { font-size: 1rem; }
.mesh-relay-mode-option small { display: block; font-size: 0.65rem; color: rgba(255,255,255,0.4); }
.mesh-send-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 12px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
}
.mesh-send-tab {
  flex: 1;
  padding: 8px 16px;
  background: rgba(0,0,0,0.2);
  color: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s ease;
}
.mesh-send-tab:first-child { border-right: 1px solid rgba(255,255,255,0.1); }
.mesh-send-tab:hover { color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.03); }
.mesh-send-tab.active {
  color: #fb923c;
  background: rgba(251,146,60,0.08);
}
.mesh-block-list { display: flex; flex-direction: column; gap: 4px; }
.mesh-block-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  background: rgba(0,0,0,0.15);
  border-radius: 6px;
  font-size: 0.78rem;
}
.mesh-block-height { color: #fb923c; font-weight: 600; font-family: monospace; }
.mesh-block-hash { color: rgba(255,255,255,0.5); font-family: monospace; font-size: 0.72rem; }
.mesh-relay-result {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
}
.mesh-relay-result.success { background: rgba(74,222,128,0.1); color: #4ade80; border: 1px solid rgba(74,222,128,0.2); }
.mesh-relay-result.error { background: rgba(239,68,68,0.1); color: #ef4444; border: 1px solid rgba(239,68,68,0.2); }

/* ─── Dead Man panel ─── */
.mesh-deadman-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
  flex: 1;
  overflow-y: auto;
}
.mesh-deadman-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px;
  background: rgba(0,0,0,0.2);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
}
.mesh-deadman-indicator {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 20px;
}
.mesh-deadman-indicator.disabled { color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.05); }
.mesh-deadman-indicator.armed { color: #4ade80; background: rgba(74,222,128,0.12); border: 1px solid rgba(74,222,128,0.3); }
.mesh-deadman-indicator.triggered { color: #ef4444; background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.4); animation: pulse-alert 1.5s infinite; }
.mesh-deadman-timer { font-size: 1.5rem; font-weight: 700; color: rgba(255,255,255,0.8); font-family: monospace; }
.mesh-deadman-checkin-btn { padding: 10px 24px; font-size: 0.9rem; font-weight: 600; }
.mesh-deadman-config {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
}
.mesh-deadman-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  cursor: pointer;
}
.mesh-deadman-toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #fb923c;
}
.mesh-deadman-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mesh-deadman-info {
  display: flex;
  gap: 12px;
}
.mesh-deadman-info-item {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
  padding: 2px 8px;
  border-radius: 4px;
}
.mesh-deadman-message {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  font-style: italic;
  text-align: center;
  padding: 0 12px;
}
.mesh-bitcoin-hint {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  margin: -4px 0 4px;
}
.mesh-bitcoin-advanced {
  margin-top: 4px;
}
.mesh-bitcoin-advanced summary {
  cursor: pointer;
  padding: 8px 0;
  color: rgba(255,255,255,0.4);
}
.mesh-bitcoin-advanced summary:hover {
  color: rgba(255,255,255,0.6);
}
</style>