/**
 * Admin Messages — Messenger UI v4
 * Matches the messenger-* class structure in messages-panel.ejs
 * Conversation list items (conv-item-*) and message bubbles (msg-*) kept
 * from messages-conversations.ejs / messages-list.ejs
 */

/* ============================================================
   CONTENT AREA OVERRIDE — strip padding when messenger is active
   ============================================================ */
.content-area:has([data-messages-root]) {
  padding: 0;
  overflow: hidden;
}

/* ============================================================
   MESSENGER SHELL — 2-column chat layout
   ============================================================ */
.messenger {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: calc(100vh - 72px); /* subtract topbar */
  min-height: 520px;
  border: none;
  border-top: 1px solid var(--border-faint);
  overflow: hidden;
  background: var(--bg-surface);
  position: relative;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.messenger-sidebar {
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
  border-right: 1px solid var(--border-faint);
  min-width: 0;
  overflow: hidden;
}

.messenger-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--border-faint);
  flex-shrink: 0;
}

.messenger-sidebar-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
}

.messenger-sidebar-title svg { color: var(--accent-400); }

.messenger-sidebar-search {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border-faint);
  flex-shrink: 0;
  position: relative;
}

.messenger-sidebar-search > svg {
  position: absolute;
  left: calc(var(--space-3) + 10px);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-quaternary);
  pointer-events: none;
  z-index: 1;
}

.messenger-sidebar-search .form-input {
  padding-left: 30px;
  font-size: var(--text-xs);
  height: 34px;
  background: var(--bg-surface);
  border-color: var(--border-subtle);
}

.messenger-sidebar-search .form-input:focus {
  border-color: var(--accent-500);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.messenger-sidebar-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border-faint);
  flex-shrink: 0;
}

.messenger-filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-tertiary);
  font-size: 0.68rem;
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out-quart);
  white-space: nowrap;
  line-height: 1;
}

.messenger-filter-chip:hover {
  border-color: var(--accent-border);
  color: var(--accent-300);
  background: var(--accent-bg);
}

.messenger-filter-chip.active {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
  border-color: var(--accent-500);
  color: white;
}

.messenger-sidebar-list {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.messenger-sidebar-list::-webkit-scrollbar { width: 4px; }
.messenger-sidebar-list::-webkit-scrollbar-track { background: transparent; }
.messenger-sidebar-list::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}

.messenger-sidebar-footer {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--border-faint);
  flex-shrink: 0;
}

.messenger-sidebar-stat {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.68rem;
  color: var(--text-quaternary);
}

.messenger-sidebar-stat svg { color: var(--text-quaternary); flex-shrink: 0; }

/* ============================================================
   MAIN AREA
   ============================================================ */
.messenger-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: var(--bg-surface);
}

/* ────── Empty State ────── */
.messenger-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-10);
  text-align: center;
}

.messenger-empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--accent-bg), var(--bg-raised));
  border: 1px solid var(--accent-border);
  color: var(--accent-400);
  box-shadow: 0 0 32px var(--accent-glow);
}

.messenger-empty-title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin: 0;
}

.messenger-empty-desc {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  max-width: 380px;
  line-height: 1.6;
  margin: 0;
}

.messenger-empty-actions { display: flex; gap: var(--space-3); }

/* ────── Chat Header ────── */
.messenger-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-faint);
  background: var(--bg-raised);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.messenger-chat-header-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.messenger-chat-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-600), var(--accent-800));
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.messenger-chat-header-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.messenger-chat-name {
  display: flex;
  align-items: center;
  gap: var(--space-1-5);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.messenger-chat-name svg { color: var(--text-tertiary); flex-shrink: 0; }

.messenger-chat-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.messenger-chat-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.68rem;
  color: var(--text-quaternary);
}

.messenger-chat-meta-item.mono { font-family: var(--font-mono); }
.messenger-chat-meta-item svg { color: var(--text-quaternary); }

.messenger-chat-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.messenger-chat-select-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.messenger-chat-select-icon {
  position: absolute;
  left: 8px;
  color: var(--text-quaternary);
  pointer-events: none;
  z-index: 1;
}

.messenger-chat-select {
  padding: 4px 10px 4px 24px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.72rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color var(--dur-fast);
  appearance: none;
}

.messenger-chat-select:focus {
  outline: none;
  border-color: var(--accent-500);
  box-shadow: 0 0 0 2px var(--accent-bg);
}

.messenger-chat-assignee {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.messenger-chat-tags {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.messenger-chat-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: var(--fw-medium);
  border-width: 1px;
  border-style: solid;
}

.messenger-chat-tag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 12px;
  height: 12px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dur-fast);
  padding: 0;
}

.messenger-chat-tag:hover .messenger-chat-tag-remove { opacity: 0.7; }

.messenger-chat-tag-add {
  padding: 2px 8px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-tertiary);
  font-size: 0.65rem;
  cursor: pointer;
  font-family: inherit;
  appearance: none;
  transition: border-color var(--dur-fast);
}

.messenger-chat-tag-add:hover { border-color: var(--accent-500); color: var(--accent-300); }

/* ────── Messages Feed ────── */
.messenger-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  min-height: 0;
  scroll-behavior: smooth;
}

.messenger-chat-messages::-webkit-scrollbar { width: 6px; }
.messenger-chat-messages::-webkit-scrollbar-track { background: transparent; }
.messenger-chat-messages::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}

/* ────── Connection Status ────── */
.messenger-chat-connection {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-5);
  font-size: 0.65rem;
  color: var(--text-quaternary);
  border-top: 1px solid var(--border-faint);
  background: var(--bg-raised);
  flex-shrink: 0;
}

.messenger-chat-connection[data-status="live"] { color: var(--success-text); }
.messenger-chat-connection[data-status="fallback"] { color: var(--info-text); }
.messenger-chat-connection[data-status="error"] { color: var(--danger-text); }
.messenger-chat-connection svg { flex-shrink: 0; }

/* ────── Input Area ────── */
.messenger-chat-input {
  border-top: 1px solid var(--border-faint);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-raised);
  flex-shrink: 0;
}

.messenger-chat-form { display: flex; flex-direction: column; gap: var(--space-2); }

.messenger-chat-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.messenger-chat-input-wrap {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
}

.messenger-chat-attach {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
  flex-shrink: 0;
}

.messenger-chat-attach:hover {
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

.messenger-chat-textarea {
  flex: 1;
  min-height: 36px;
  max-height: 180px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.5;
  resize: none;
  overflow-y: auto;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.messenger-chat-textarea:focus {
  outline: none;
  border-color: var(--accent-500);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.messenger-chat-textarea::placeholder { color: var(--text-quaternary); }

.messenger-chat-send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-500), var(--accent-700));
  color: white;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out-quart);
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.messenger-chat-send:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-400), var(--accent-600));
  box-shadow: 0 4px 16px var(--accent-glow);
  transform: translateY(-1px);
}

.messenger-chat-send:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

.messenger-chat-input-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-quaternary);
}

.messenger-chat-counter { font-weight: var(--fw-semibold); }
.messenger-chat-hint { font-style: italic; }

/* ────── Attachment Thumbnails (JS-generated) ────── */
.msg-attach-thumb {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
}

.msg-attach-thumb.is-img { width: 80px; height: 80px; }
.msg-attach-thumb img { width: 100%; height: 100%; object-fit: cover; }
.msg-attach-thumb svg { color: var(--accent-400); }
.msg-attach-thumb span {
  font-size: 0.6rem;
  color: var(--text-tertiary);
  padding: 0 4px;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.msg-attach-rm {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.9);
  color: white;
  font-size: 0.6rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dur-fast);
}

.msg-attach-thumb:hover .msg-attach-rm { opacity: 1; }

/* ============================================================
   NEW CONVERSATION MODAL
   ============================================================ */
.messenger-new-modal-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(7, 9, 15, 0.75);
  backdrop-filter: blur(4px);
  z-index: 300;
}

.messenger-new-modal-overlay.is-open {
  display: flex;
}

.messenger-new-modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 500px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl), 0 0 60px rgba(0, 0, 0, 0.5);
  animation: content-enter 0.25s var(--ease-spring) both;
}

.messenger-new-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border-faint);
}

.messenger-new-modal-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin: 0 0 var(--space-1);
}

.messenger-new-modal-title svg { color: var(--accent-400); }

.messenger-new-modal-desc {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin: 0;
}

.messenger-new-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--dur-fast);
  flex-shrink: 0;
}

.messenger-new-modal-close:hover {
  background: var(--bg-raised);
  color: var(--text-primary);
  border-color: var(--border-default);
}

.messenger-new-modal-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.messenger-new-type-toggle {
  display: inline-flex;
  gap: 2px;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 3px;
}

.messenger-new-type-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1-5);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--dur-fast);
  user-select: none;
}

.messenger-new-type-btn input[type="radio"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.messenger-new-type-btn.active,
.messenger-new-type-btn:has(input:checked) {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
  color: white;
}

.messenger-new-type-btn:not(.active):hover { background: var(--bg-raised); color: var(--text-secondary); }

.messenger-new-label {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1-5);
}

.messenger-new-label svg { color: var(--text-quaternary); }

.messenger-new-search { display: flex; flex-direction: column; }

.messenger-new-autocomplete { position: relative; }

.messenger-new-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  max-height: 220px;
  overflow-y: auto;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 50;
}

.messenger-new-results-hint {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-quaternary);
}

.messenger-new-selected {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.messenger-new-selected svg { color: var(--text-quaternary); flex-shrink: 0; }
.messenger-new-selected-label { color: var(--text-secondary); }

.messenger-new-message { display: flex; flex-direction: column; }

.messenger-new-msg-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.messenger-new-counter {
  font-size: 0.65rem;
  color: var(--text-quaternary);
  font-weight: var(--fw-semibold);
}

.messenger-new-markdown-hint { display: flex; gap: 4px; flex-wrap: wrap; }

.messenger-new-md-chip {
  padding: 1px 7px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-base);
  color: var(--text-quaternary);
  font-size: 0.65rem;
  font-family: var(--font-mono);
}

.messenger-new-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-faint);
}

/* Autocomplete items (JS-generated) */
.messenger-ac-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: none;
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  font-size: var(--text-sm);
  font-family: inherit;
  transition: background var(--dur-fast);
}

.messenger-ac-item:hover { background: var(--bg-raised); }
.messenger-ac-id { font-size: 0.65rem; color: var(--text-tertiary); font-family: var(--font-mono); }
.messenger-ac-empty {
  padding: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-quaternary);
  text-align: center;
}

/* ============================================================
   CONFIRM DIALOG
   ============================================================ */
.messenger-confirm-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(7, 9, 15, 0.8);
  backdrop-filter: blur(4px);
  z-index: 350;
}

.messenger-confirm-overlay.is-open {
  display: flex;
}

.messenger-confirm-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-xl);
  animation: content-enter 0.2s var(--ease-spring) both;
  text-align: center;
}

.messenger-confirm-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xl);
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning-bright);
  margin-bottom: var(--space-4);
}

.messenger-confirm-title {
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.messenger-confirm-message {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.messenger-confirm-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

/* ============================================================
   CONVERSATION LIST ITEMS (messages-conversations.ejs)
   ============================================================ */
.conv-list {
  display: flex;
  flex-direction: column;
}

.conv-list-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-10) var(--space-4);
  color: var(--text-quaternary);
  text-align: center;
  gap: var(--space-3);
}

.conv-list-empty svg { color: var(--text-quaternary); }
.conv-list-empty p { font-size: var(--text-sm); margin: 0; }

.conv-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  text-decoration: none;
  color: inherit;
  transition: background var(--dur-fast);
  cursor: pointer;
  border-left: 3px solid transparent;
  position: relative;
}

.conv-item:hover { background: var(--bg-raised); text-decoration: none; }

.conv-item.active {
  background: linear-gradient(90deg, var(--accent-bg), transparent);
  border-left-color: var(--accent-500);
}

.conv-item-avatar { flex-shrink: 0; }

.conv-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-600), var(--accent-800));
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
}

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

.conv-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: 2px;
}

.conv-item-name {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.conv-item-time {
  font-size: 0.62rem;
  color: var(--text-quaternary);
  white-space: nowrap;
  flex-shrink: 0;
}

.conv-item-preview {
  font-size: 0.76rem;
  color: var(--text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 4px;
}

.conv-item-bottom {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.conv-item-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-size: 0.62rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.conv-item-type {
  background: var(--bg-overlay);
  color: var(--text-quaternary);
  border: 1px solid var(--border-subtle);
}

.conv-item-status-open    { background: var(--info-bg);    color: var(--info-text); }
.conv-item-status-pending { background: var(--warning-bg); color: var(--warning-text); }
.conv-item-status-resolved{ background: var(--success-bg); color: var(--success-text); }
.conv-item-status-archived{ background: var(--bg-overlay);  color: var(--text-quaternary); }
.conv-item-priority-urgent{ background: var(--danger-bg);  color: var(--danger-text); }
.conv-item-priority-high  { background: var(--warning-bg); color: var(--warning-text); }

.conv-item-unread {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  background: var(--accent-600);
  color: white;
  font-size: 0.62rem;
  font-weight: var(--fw-bold);
  flex-shrink: 0;
  box-shadow: 0 1px 4px var(--accent-glow);
}

/* ============================================================
   MESSAGE BUBBLES (messages-list.ejs)
   ============================================================ */
.msg-feed {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.msg-load-older {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-2);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-family: inherit;
  cursor: pointer;
  transition: all var(--dur-fast);
  align-self: center;
  max-width: 220px;
}

.msg-load-older:hover {
  border-color: var(--accent-500);
  background: var(--accent-bg);
  color: var(--accent-300);
}

.msg-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
  color: var(--text-quaternary);
  text-align: center;
  gap: var(--space-3);
}

.msg-empty svg { color: var(--text-quaternary); }
.msg-empty p { font-size: var(--text-sm); margin: 0; }

.msg-bubble {
  max-width: 72%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-xl);
  position: relative;
  transition: border-color var(--dur-fast);
}

.msg-group-start { margin-top: var(--space-4); }

.msg-incoming {
  align-self: flex-start;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-bottom-left-radius: var(--radius-sm);
}

.msg-outgoing {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--accent-700), var(--accent-600));
  border: 1px solid rgba(96, 165, 250, 0.18);
  border-bottom-right-radius: var(--radius-sm);
  color: white;
}

.msg-outgoing .msg-time    { color: rgba(255,255,255,0.45); }
.msg-outgoing .msg-author  { color: rgba(255,255,255,0.8); }
.msg-outgoing .msg-content { color: white; }
.msg-outgoing .msg-content code { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.12); }
.msg-outgoing .msg-action-btn  { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.12); color: rgba(255,255,255,0.65); }

.msg-bubble:hover { border-color: var(--border-strong); }

.msg-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.msg-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-600), var(--accent-800));
  color: white;
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  flex-shrink: 0;
}

.msg-header-text { display: flex; align-items: baseline; gap: var(--space-2); }
.msg-author { font-size: 0.8rem; font-weight: var(--fw-semibold); color: var(--text-primary); }
.msg-time { font-size: 0.62rem; color: var(--text-quaternary); }

.msg-body { position: relative; }

.msg-content {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-primary);
  word-break: break-word;
}

.msg-content code {
  display: inline-block;
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-faint);
  font-family: var(--font-mono);
  font-size: 0.82em;
}

.msg-content pre {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-faint);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  overflow-x: auto;
  margin: var(--space-2) 0;
}

.msg-content pre code { background: none; border: none; padding: 0; }

.msg-content blockquote {
  border-left: 3px solid var(--accent-500);
  padding: var(--space-1) var(--space-3);
  margin: var(--space-2) 0;
  background: rgba(59, 130, 246, 0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}

.msg-content a {
  color: var(--accent-400);
  text-decoration: underline;
  text-decoration-color: rgba(96, 165, 250, 0.3);
  text-underline-offset: 2px;
}

.msg-actions {
  display: flex;
  gap: 2px;
  margin-top: var(--space-1);
  opacity: 0;
  transition: opacity var(--dur-fast);
  justify-content: flex-end;
}

.msg-bubble:hover .msg-actions { opacity: 1; }

.msg-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--dur-fast);
}

.msg-action-btn:hover { background: var(--bg-raised); color: var(--text-primary); }

.msg-action-btn.msg-action-danger:hover {
  background: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}

.msg-action-btn svg { width: 12px; height: 12px; }

.msg-deleted { opacity: 0.4; border-style: dashed; }
.msg-deleted-text { font-style: italic; color: var(--text-quaternary); font-size: var(--text-xs); }
.msg-deleted .msg-actions { display: none; }

.msg-attachments {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.msg-img {
  max-width: 100%;
  max-height: 280px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  cursor: pointer;
  transition: opacity var(--dur-fast);
  display: block;
}

.msg-img:hover { opacity: 0.88; }

.msg-file-card {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  text-decoration: none;
  color: inherit;
  transition: all var(--dur-fast);
  max-width: 280px;
}

.msg-file-card:hover { border-color: var(--accent-500); background: var(--bg-raised); text-decoration: none; }
.msg-file-card svg { color: var(--accent-400); flex-shrink: 0; }
.msg-file-name { font-size: 0.76rem; font-weight: var(--fw-medium); color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 180px; }
.msg-file-size { font-size: 0.62rem; color: var(--text-quaternary); }

.msg-edit { display: flex; flex-direction: column; gap: var(--space-2); }

.msg-edit-ta {
  width: 100%;
  min-height: 60px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--accent-500);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.5;
  resize: vertical;
}

.msg-edit-ta:focus { outline: none; box-shadow: 0 0 0 3px var(--accent-bg); }
.msg-edit-btns { display: flex; gap: var(--space-2); justify-content: flex-end; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .messenger { grid-template-columns: 260px 1fr; }
  .messenger-chat-header { flex-direction: column; align-items: flex-start; }
  .messenger-chat-header-actions { flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .messenger {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 70vh;
  }

  .messenger-sidebar {
    display: none;
    position: fixed;
    inset: 0 auto 0 0;
    width: min(85vw, 320px);
    z-index: 200;
    box-shadow: var(--shadow-xl);
  }

  .messenger-sidebar.is-open { display: flex; }

  .messenger-main { min-height: 70vh; }
  .messenger-chat-header { flex-direction: column; align-items: flex-start; }
  .msg-bubble { max-width: 90%; }
}

@media (max-width: 480px) {
  .msg-bubble { max-width: 95%; }
  .messenger-chat-input { padding: var(--space-2) var(--space-3); }
}