/* ========================================================
   FULL-PAGE MESSAGING & CALLS SYSTEM (Desktop & Mobile)
   ======================================================== */

.layout-body.full-chat-mode {
  max-width: 100% !important;
  padding: 0 !important;
  height: calc(100vh - 64px) !important;
  margin: 0 !important;
  gap: 0 !important;
}

.layout-body.full-chat-mode .sidebar-left,
.layout-body.full-chat-mode .sidebar-right,
.layout-body.full-chat-mode + .app-global-footer {
  display: none !important;
}

.layout-body.full-chat-mode .main-content-viewport {
  width: 100% !important;
  height: 100% !important;
  padding: 0 !important;
}

#viewMessages.app-view.active {
  height: 100%;
  width: 100%;
}

.messenger-full-container {
  display: flex;
  width: 100%;
  height: calc(100vh - 64px);
  border: none;
  overflow: hidden;
  background: var(--bg-surface);
}

/* Left Panel: Conversation List */
.messenger-sidebar {
  width: 360px;
  height: 100%;
  border-right: 1px solid var(--border-glass);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.messenger-sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.messenger-sidebar-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.conversations-list {
  flex: 1;
  overflow-y: auto;
  background: var(--bg-surface);
}

.conversation-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.conversation-item:hover, .conversation-item.active {
  background: rgba(0, 240, 255, 0.08);
}

.conv-meta {
  flex: 1;
  min-width: 0;
}

.conv-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.conv-last-msg {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.conv-unread-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* Right Panel: Active Chat Canvas */
.messenger-active-chat {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at top right, rgba(0, 102, 255, 0.06), #06090e 65%);
  position: relative;
}

.chat-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-glass);
  background: rgba(12, 18, 29, 0.9);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

.chat-header-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-back-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 4px;
}

.chat-header-actions {
  display: flex;
  gap: 8px;
}

.btn-call-trigger {
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-call-trigger.audio {
  background: rgba(0, 230, 118, 0.12);
  border-color: var(--success);
  color: var(--success);
}

/* Chat Messages Scroll View */
.chat-messages-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-placeholder-state {
  margin: auto;
  text-align: center;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.9rem;
}

/* Chat Bubbles & Real-Time Read Receipts (Seen/Delivered) */
.message-bubble-row {
  display: flex;
  flex-direction: column;
  max-width: 68%;
  animation: fadeIn 0.15s ease;
}

.message-bubble-row.sent {
  align-self: flex-end;
  align-items: flex-end;
}

.message-bubble-row.received {
  align-self: flex-start;
  align-items: flex-start;
}

.message-bubble {
  padding: 10px 15px;
  border-radius: 18px;
  font-size: 0.92rem;
  line-height: 1.4;
  word-break: break-word;
}

.sent .message-bubble {
  background: linear-gradient(135deg, var(--accent-blue), #1e50ff);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.received .message-bubble {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  color: #f1f5f9;
  border-bottom-left-radius: 4px;
}

.msg-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
}

.msg-time {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.msg-status-ticks {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: -2px;
}

.msg-status-ticks.seen {
  color: var(--accent-cyan);
}

/* Chat Input Bar */
.chat-composer-box {
  padding: 12px 18px;
  border-top: 1px solid var(--border-glass);
  background: rgba(12, 18, 29, 0.95);
  display: flex;
  gap: 10px;
  align-items: center;
}

.chat-composer-box input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  padding: 11px 18px;
  color: #fff;
  outline: none;
  font-size: 0.9rem;
}

.chat-composer-box input:focus {
  border-color: var(--accent-cyan);
}

/* Audio Call Center Avatar Pulse */
.audio-call-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 5;
  background: #06090e;
}

.audio-avatar-pulse {
  border: 4px solid var(--success);
  box-shadow: 0 0 40px rgba(0, 230, 118, 0.5);
  animation: pulseAvatar 2s infinite;
  margin-bottom: 16px;
}

@keyframes pulseAvatar {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
  70% { scale: 1.05; box-shadow: 0 0 0 20px rgba(0, 230, 118, 0); }
  100% { scale: 1; box-shadow: 0 0 0 0 rgba(0, 230, 118, 0); }
}

/* ========================================================
   MOBILE SCREEN MESSAGING SYSTEM (No Black Void)
   ======================================================== */
@media (max-width: 768px) {
  .layout-body.full-chat-mode {
    height: calc(100vh - 114px) !important;
  }

  .messenger-full-container {
    height: calc(100vh - 114px) !important;
  }

  .messenger-sidebar {
    width: 100% !important;
    height: 100% !important;
    flex: 1 !important;
    border-right: none !important;
  }

  /* When a chat is open on mobile: hide conversation list and show full chat canvas */
  .messenger-full-container.mobile-chat-open .messenger-sidebar {
    display: none !important;
  }

  .messenger-full-container.mobile-chat-open .messenger-active-chat {
    display: flex !important;
    width: 100% !important;
    height: 100% !important;
  }

  /* When no chat is open on mobile: hide chat and show full conversation list */
  .messenger-full-container:not(.mobile-chat-open) .messenger-active-chat {
    display: none !important;
  }

  .chat-back-btn {
    display: flex !important;
  }

  .message-bubble-row {
    max-width: 84% !important;
  }

  .chat-composer-box {
    padding: 10px 14px !important;
  }
}