/* ============================================
   WhatsApp Chat Reader — Components
   All UI component styles
   ============================================ */

/* ============================================
   HEADER — Shared top bar
   ============================================ */
.app-header,
.chat-header,
.chat-list-header,
.upload-header,
.participant-header {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  height: var(--header-height);
  min-height: var(--header-height);
  padding: 0 16px;
  background-color: var(--header-bg);
  color: var(--header-text);
  z-index: var(--z-header);
  position: relative;
}

.app-header .header-title {
  font-size: var(--font-size-title);
  font-weight: 600;
  flex: 1;
  color: var(--header-text);
}

.app-header .header-actions,
.chat-list-actions,
.chat-header-actions,
.chat-header .header-actions {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.icon-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 40px;
  height: 40px;
  padding: 0;
  margin: 0;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-circle);
  color: var(--header-text);
  transition: background-color var(--transition-fast);
  -webkit-user-select: none;
  user-select: none;
  flex-shrink: 0;
}

.icon-btn:hover {
  background-color: var(--hover);
}

.icon-btn:active {
  background-color: var(--hover-strong);
}

.icon-btn svg {
  display: block !important;
  width: 24px;
  height: 24px;
  fill: currentColor;
  flex-shrink: 0;
  vertical-align: middle;
}

.header-back-btn {
  margin-right: 4px;
  margin-left: -8px;
}

/* ============================================
   CHAT HEADER
   ============================================ */
.chat-header {
  display: flex;
  align-items: center;
  height: var(--header-height);
  min-height: var(--header-height);
  padding: 0 8px 0 4px;
  background-color: var(--header-bg);
  color: var(--header-text);
  z-index: var(--z-header);
  position: relative;
}

.chat-header .header-back-btn {
  margin-right: 0;
  margin-left: -4px;
  flex-shrink: 0;
}

.chat-header-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  background-color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-header);
  font-weight: 500;
  color: #fff;
  margin-right: 12px;
  flex-shrink: 0;
  text-transform: uppercase;
}

.chat-header-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px;
  transition: opacity 0.2s ease;
}

.chat-header-info:hover {
  opacity: 0.9;
}

.chat-header-info:hover #chat-rename-btn {
  opacity: 1;
}

#chat-rename-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 0.55;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

#chat-rename-btn:hover {
  opacity: 1;
  color: var(--accent);
  transform: scale(1.1);
}

.chat-header-name {
  font-size: var(--font-size-header);
  font-weight: 600;
  color: var(--header-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-header .header-actions,
.chat-header-actions {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.chat-header-actions .icon-btn,
.chat-list-actions .icon-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 38px;
  height: 38px;
  padding: 0;
  margin: 0;
  flex-shrink: 0;
}

.icon-btn span,
#theme-icon,
.theme-icon-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

/* ============================================
   SEARCH BAR (slides in header area)
   ============================================ */
.search-bar,
.chat-search-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  padding: 0 16px;
  z-index: var(--z-search-bar);
  transform: translateY(-100%);
  transition: transform var(--transition-spring), opacity var(--transition-base);
  gap: 8px;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(0, 229, 170, 0.25);
  opacity: 0;
  pointer-events: none;
}

.search-bar.active,
.chat-search-bar.active {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.search-bar .search-input,
.chat-search-bar input,
#chat-search-input {
  flex: 1;
  min-width: 0;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  outline: none;
  background: var(--input-bg);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 16px; /* 16px prevents iOS Safari auto-zoom on mobile focus */
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 0 16px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar .search-input:focus,
.chat-search-bar input:focus,
#chat-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 229, 170, 0.2);
}

.search-bar .search-input::placeholder,
.chat-search-bar input::placeholder,
#chat-search-input::placeholder {
  color: var(--text-secondary);
}

.search-bar .search-count,
.chat-search-bar .search-counter,
#search-result-counter {
  font-size: 13px;
  font-weight: 600;
  color: var(--header-text);
  white-space: nowrap;
  min-width: 54px;
  text-align: center;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

#search-result-counter:empty {
  display: none !important;
  min-width: 0 !important;
  padding: 0 !important;
  border: none !important;
  margin: 0 !important;
}

[data-theme="light"] #search-result-counter {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.search-bar .icon-btn,
.chat-search-bar .icon-btn {
  flex-shrink: 0;
}

/* ============================================
   SETTINGS DROPDOWN
   ============================================ */
.settings-menu-wrapper {
  position: relative;
}

.settings-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 180px;
  background-color: var(--context-menu-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-dropdown);
  z-index: var(--z-dropdown);
  overflow: hidden;
  opacity: 0;
  transform: scale(0.95) translateY(-8px);
  transform-origin: top right;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  pointer-events: none;
}

.settings-menu.open {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

.settings-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 20px;
  border: none;
  background: none;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  cursor: pointer;
  text-align: left;
  transition: background-color var(--transition-fast);
}

.settings-menu-item:hover {
  background-color: var(--hover);
}

.settings-menu-item svg {
  width: 18px;
  height: 18px;
  fill: var(--text-secondary);
  flex-shrink: 0;
}

.settings-menu-item.danger {
  color: var(--danger);
}

.settings-menu-item.danger svg {
  fill: var(--danger);
}

/* ============================================
   CHAT LIST SCREEN
   ============================================ */
.chat-list-header {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: var(--header-height);
  padding: 0 16px;
  gap: 12px;
  background-color: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .chat-list-header {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.chat-list-header .header-title {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.4px;
}

.chat-list-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  /* Bottom padding so FAB (80px) doesn't hide the last chat card */
  padding-bottom: 88px;
}

.chat-list-items {
  padding: 12px 12px 0 12px;
}


/* Chat item - Universal Workspace Dashboard Card */
.chat-item.dashboard-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  transition: all var(--transition-base);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
  gap: 20px;
  position: relative;
  margin-bottom: 14px;
}

.chat-item.dashboard-card:hover {
  background: var(--hover-strong);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.chat-item.dashboard-card:active {
  transform: translateY(0) scale(0.998);
}

.chat-card-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.chat-avatar.squircle {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 16px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  user-select: none;
  box-shadow: 0 4px 14px rgba(0, 229, 170, 0.35);
  border: 2px solid rgba(255, 255, 255, 0.18);
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}

.chat-item.dashboard-card:hover .chat-avatar.squircle {
  transform: scale(1.08) rotate(4deg);
  box-shadow: 0 8px 24px rgba(0, 229, 170, 0.55);
}

.chat-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chat-info-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.chat-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: -0.3px;
}

.chat-time {
  font-size: 12.5px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 500;
}

.chat-preview {
  font-size: 14.5px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
}

.chat-meta-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.chat-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 24px;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  font-weight: 600;
  padding: 0 10px;
  line-height: 1;
}

.chat-badge.group-badge {
  background: rgba(0, 229, 170, 0.15);
  color: #00E5AA;
  border: 1px solid rgba(0, 229, 170, 0.3);
}

.chat-badge.private-badge {
  background: rgba(83, 189, 235, 0.15);
  color: #53BDEB;
  border: 1px solid rgba(83, 189, 235, 0.3);
}

.chat-badge.count-badge {
  background: var(--hover-strong);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.chat-badge.count-badge .badge-size {
  opacity: 0.72;
  font-weight: 500;
}

.chat-badge.size-badge-pill {
  background: rgba(83, 189, 235, 0.1);
  color: #53BDEB;
  border: 1px solid rgba(83, 189, 235, 0.25);
}

.chat-badge.size-badge-pill .size-badge {
  font-weight: 600;
}

.chat-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.chat-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 13.5px;
  font-weight: 600;
  padding: 0 14px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.chat-action-btn.open-btn:hover {
  background: var(--gradient-accent);
  color: #0A1116;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(0, 229, 170, 0.4);
  transform: translateX(2px);
}

.chat-action-btn.delete-btn {
  width: 40px;
  padding: 0;
  color: var(--text-secondary);
}

.chat-action-btn.delete-btn:hover {
  background: rgba(234, 67, 53, 0.15);
  color: #EA4335;
  border-color: rgba(234, 67, 53, 0.4);
  box-shadow: 0 4px 12px rgba(234, 67, 53, 0.25);
  transform: scale(1.06);
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 48px 32px;
  text-align: center;
  gap: 18px;
  animation: fadeIn var(--transition-slow);
}

.empty-state-icon {
  width: 150px;
  height: 150px;
  margin-bottom: 12px;
  opacity: 0.75;
  transition: transform var(--transition-spring);
}

.empty-state:hover .empty-state-icon {
  transform: scale(1.05) translateY(-4px);
}

.empty-state-icon svg {
  width: 100%;
  height: 100%;
  fill: var(--accent);
  filter: drop-shadow(0 10px 20px rgba(0, 168, 132, 0.2));
}

.empty-state-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-state-text {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

/* FAB - Futuristic Quantum Orb */
@keyframes fabPulse {
  0% { box-shadow: var(--shadow-fab), 0 0 0 0 rgba(0, 229, 170, 0.55); }
  60% { box-shadow: var(--shadow-fab), 0 0 0 16px rgba(0, 229, 170, 0); }
  100% { box-shadow: var(--shadow-fab), 0 0 0 0 rgba(0, 229, 170, 0); }
}

.fab {
  position: absolute;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-circle);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: var(--gradient-fab);
  color: #fff;
  cursor: pointer;
  box-shadow: var(--shadow-fab);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-fab);
  transition: transform var(--transition-spring), box-shadow var(--transition-base), background var(--transition-base);
  animation: fabPulse 2.8s infinite ease-out;
  box-sizing: border-box;
}

.fab:hover {
  transform: scale(1.12) rotate(90deg);
  box-shadow: 0 12px 35px rgba(0, 229, 170, 0.7), 0 0 25px rgba(0, 229, 170, 0.5);
  background: linear-gradient(135deg, #1AFFC2 0%, #00B083 100%);
}

.fab:active {
  transform: scale(0.92) rotate(90deg);
}

.fab svg {
  width: 28px;
  height: 28px;
  fill: #0A1116;
  filter: drop-shadow(0 1px 2px rgba(255,255,255,0.4));
  transition: transform var(--transition-spring);
}
}

/* ============================================
   MESSAGE BUBBLES
   ============================================ */
.chat-messages-container,
.chat-wallpaper {
  flex: 1;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-chat);
  display: flex;
  flex-direction: column;
}

/* Wallpaper doodle pattern behind messages — Futuristic AI Cyber-Emerald Wallpaper */
.chat-wallpaper::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-image: url('../assets/futuristic_wa_wallpaper.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] .chat-wallpaper::before {
  opacity: 0.10;
  background-image: url('../assets/futuristic_wa_wallpaper.png');
  filter: invert(1) hue-rotate(180deg);
}

/* Remove ::after overlay completely so nothing dims or makes text transparent! */
.chat-wallpaper::after {
  display: none !important;
}

/* Virtual scroll viewport & messages viewport */
.messages-viewport,
.virtual-scroll-viewport {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: var(--z-messages);
  -webkit-overflow-scrolling: touch;
}

.virtual-scroll-spacer {
  width: 100%;
  position: relative;
}

.virtual-scroll-content {
  position: absolute;
  left: 0;
  right: 0;
}

/* Message row */
.message-row {
  display: flex;
  padding: 1px var(--message-padding-h) 1px var(--message-padding-h);
}

.message-row.sent {
  justify-content: flex-end;
}

.message-row.received {
  justify-content: flex-start;
}

/* First message in a group gets extra top padding */
.message-row.first-in-group {
  padding-top: 3px;
}

/* Message bubble - Futuristic Neo-Glassmorphism */
.message-bubble {
  max-width: 65%;
  padding: 8px 10px 10px 12px;
  border-radius: var(--radius-bubble);
  position: relative;
  word-wrap: break-word;
  overflow-wrap: break-word;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.message-bubble:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.message-bubble.sent {
  background: var(--bubble-outgoing);
  border-top-right-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.message-bubble.received {
  background: var(--bubble-incoming);
  border-top-left-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Bubble tails */
.message-row.sent .message-bubble.tail::before {
  content: '';
  position: absolute;
  top: 0;
  right: -8px;
  width: 0;
  height: 0;
  border-left: 8px solid var(--bubble-outgoing);
  border-bottom: 8px solid transparent;
}

.message-row.received .message-bubble.tail::before {
  content: '';
  position: absolute;
  top: 0;
  left: -8px;
  width: 0;
  height: 0;
  border-right: 8px solid var(--bubble-incoming);
  border-bottom: 8px solid transparent;
}

/* Message text */
.message-text {
  font-size: var(--font-size-body);
  line-height: var(--line-height-message);
  color: inherit;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-bubble.sent .message-text {
  color: var(--text-bubble-sent);
}

.message-bubble.received .message-text {
  color: var(--text-bubble-received);
}

/* Links in messages */
.message-text a {
  color: var(--link);
  text-decoration: none;
  word-break: break-all;
}

.message-text a:hover {
  text-decoration: underline;
}

/* Message meta (time + ticks) */
.message-meta {
  float: right;
  margin-left: 8px;
  margin-top: 4px;
  margin-bottom: -5px;
  display: flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
}

.message-time {
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  line-height: 1;
}

.message-bubble.sent .message-time {
  color: rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .message-bubble.sent .message-time {
  color: rgba(0, 0, 0, 0.4);
}

.message-ticks {
  display: inline-flex;
  align-items: center;
  margin-left: 2px;
}

.message-ticks svg {
  width: 16px;
  height: 11px;
}

/* Sender labels (group chats) */
.sender-name {
  font-size: var(--font-size-sender);
  font-weight: 500;
  margin-bottom: 1px;
  display: inline;
}

.sender-phone {
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  margin-left: 4px;
}

.sender-label {
  margin-bottom: 2px;
  line-height: 1.3;
}

/* ============================================
   SYSTEM MESSAGES
   ============================================ */
.system-message {
  display: flex;
  justify-content: center;
  padding: 4px var(--message-padding-h);
  margin: 4px 0;
}

.system-bubble {
  display: inline-block;
  background-color: var(--system-bubble);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: var(--font-size-system);
  color: var(--system-text);
  text-align: center;
  max-width: 85%;
  line-height: 1.4;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .system-bubble {
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ============================================
   DATE SEPARATORS
   ============================================ */
.date-separator {
  display: flex;
  justify-content: center;
  padding: 4px var(--message-padding-h);
  margin: 10px 0;
}

.date-pill {
  display: inline-block;
  background-color: var(--system-bubble);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 5px 14px;
  font-size: var(--font-size-system);
  color: var(--system-text);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .date-pill {
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ============================================
   EMOJI-ONLY MESSAGES
   ============================================ */
.emoji-only .message-bubble {
  background: none !important;
  box-shadow: none;
  padding: 0 4px 4px;
}

.emoji-only .message-bubble::before {
  display: none;
}

.emoji-only .message-text {
  font-size: 40px;
  line-height: normal;
}

/* ============================================
   DELETED MESSAGES
   ============================================ */
.deleted-message .message-text {
  font-style: italic;
  opacity: 0.7;
}

.deleted-message .delete-icon {
  display: inline;
  margin-right: 4px;
  opacity: 0.7;
}

/* ============================================
   MEDIA MESSAGES
   ============================================ */

/* Image */
.media-image {
  max-width: 330px;
  border-radius: 6px;
  cursor: pointer;
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.media-image-container {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 3px;
}

/* GIF */
.media-gif-container {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 3px;
}

.media-gif {
  max-width: 330px;
  border-radius: 6px;
  cursor: pointer;
  display: block;
  width: 100%;
  height: auto;
}

.gif-badge {
  position: absolute;
  bottom: 6px;
  left: 6px;
  background-color: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Video */
.media-video-container {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 3px;
  cursor: pointer;
  max-width: 330px;
  background-color: rgba(0, 0, 0, 0.3);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-video-container .media-image {
  cursor: pointer;
}

.video-play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-circle);
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.video-play-overlay svg {
  width: 24px;
  height: 24px;
  fill: #fff;
  margin-left: 3px;
}

.video-duration-badge {
  position: absolute;
  bottom: 6px;
  left: 6px;
  background-color: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 11px;
  padding: 2px 5px;
  border-radius: 3px;
}

/* Audio */
.media-audio {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 240px;
  padding: 4px 0;
}

.audio-play-btn {
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: var(--radius-circle);
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.audio-play-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.audio-waveform {
  flex: 1;
  height: 28px;
  display: flex;
  align-items: center;
  gap: 1.5px;
}

.audio-waveform-bar {
  width: 3px;
  border-radius: 2px;
  background-color: var(--text-secondary);
  opacity: 0.5;
  transition: height 0.1s ease;
}

.audio-duration {
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 30px;
}

/* Audio note (voice note / PTT) */
.media-audio-note {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 240px;
  padding: 4px 0;
}

.ptt-avatar {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-circle);
  background-color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.ptt-avatar svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

.ptt-play-btn {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-circle);
  background-color: var(--accent);
  border: 2px solid var(--bubble-outgoing);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.message-bubble.received .ptt-play-btn {
  border-color: var(--bubble-incoming);
}

.ptt-play-btn svg {
  width: 10px;
  height: 10px;
  fill: #fff;
}

.ptt-waveform {
  flex: 1;
  height: 28px;
  display: flex;
  align-items: center;
  gap: 1.5px;
}

.ptt-waveform-bar {
  width: 3px;
  border-radius: 2px;
  background-color: var(--accent);
  opacity: 0.7;
}

.ptt-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Video note (circular) */
.media-video-note {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-circle);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  margin-bottom: 3px;
  background-color: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-video-note img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-video-note .video-play-overlay {
  width: 40px;
  height: 40px;
}

/* Document */
.media-document {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background-color: var(--bubble-outgoing-darker);
  border-radius: 6px;
  min-width: 200px;
  margin-bottom: 3px;
  cursor: pointer;
}

.message-bubble.received .media-document {
  background-color: var(--hover);
}

.document-icon {
  width: 32px;
  height: 40px;
  min-width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.document-icon svg {
  width: 32px;
  height: 40px;
  fill: var(--text-secondary);
}

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

.document-name {
  font-size: var(--font-size-secondary);
  color: var(--text-bubble-sent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-bubble.received .document-name {
  color: var(--text-bubble-received);
}

.document-details {
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ============================================
   LINK PREVIEWS
   ============================================ */
.link-preview-card {
  display: flex;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-small);
  overflow: hidden;
  margin-top: 6px;
  margin-bottom: 6px;
  text-decoration: none !important;
  color: inherit !important;
  transition: background-color 0.2s ease;
  border-left: 4px solid var(--accent);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.message-bubble.sent .link-preview-card {
  background-color: rgba(0, 0, 0, 0.12);
}

.link-preview-card:hover {
  background-color: rgba(0, 0, 0, 0.16);
}

.link-preview-thumb {
  width: 58px;
  height: 58px;
  min-width: 58px;
  background-color: rgba(0, 168, 132, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.link-preview-content {
  padding: 6px 10px;
  flex: 1;
  min-width: 0;
}

.link-preview-domain {
  font-size: 10.5px;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.link-preview-title {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.25;
}

.link-preview-desc {
  font-size: 11.5px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

/* Media omitted placeholder */
.media-omitted {
  display: flex;
  align-items: center;
  gap: 6px;
  font-style: italic;
  opacity: 0.7;
  font-size: var(--font-size-secondary);
}

.media-omitted-icon {
  font-size: 16px;
}

/* Location */
.media-location {
  display: flex;
  align-items: center;
  gap: 6px;
}

.media-location a {
  color: var(--link);
  text-decoration: none;
  font-size: var(--font-size-body);
}

.media-location a:hover {
  text-decoration: underline;
}

/* Contact card */
.media-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}

.contact-avatar-small {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-circle);
  background-color: var(--accent-darker);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.contact-avatar-small svg {
  width: 18px;
  height: 18px;
  fill: #fff;
}

.contact-name {
  font-size: var(--font-size-body);
  color: inherit;
}

/* ============================================
   SCROLL TO BOTTOM BUTTON
   ============================================ */
.scroll-bottom-btn {
  position: absolute;
  bottom: 20px;
  right: 16px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-circle);
  border: none;
  background-color: var(--bg-secondary);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-scroll-btn);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--transition-base), transform var(--transition-base), background-color var(--transition-fast);
  pointer-events: none;
}

.scroll-bottom-btn.visible {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.scroll-bottom-btn:hover {
  background-color: var(--hover-strong);
}

.scroll-bottom-btn svg {
  width: 20px;
  height: 20px;
  fill: var(--text-secondary);
}

/* ============================================
   PARTICIPANT SCREEN
   ============================================ */
.participant-screen-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px 16px 64px 16px;
  width: 100%;
  box-sizing: border-box;
}

.participant-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 8px;
}

.participant-subtitle {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 24px;
}

.participant-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

.participant-card {
  display: flex;
  align-items: center;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  cursor: pointer;
  text-align: left;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  width: 100%;
  box-sizing: border-box;
  gap: 16px;
  position: relative;
}

.participant-card:hover {
  border-color: var(--accent);
  background-color: var(--hover-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.participant-card.selected {
  border-color: var(--accent);
  background-color: rgba(0, 168, 132, 0.12);
  box-shadow: 0 4px 18px rgba(0, 168, 132, 0.25);
}

.participant-card-avatar,
.participant-avatar {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
}

.participant-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.participant-card-name,
.participant-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.participant-card-phone,
.participant-phone {
  font-size: 13px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.participant-card-count,
.participant-count {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  background: rgba(0, 168, 132, 0.15);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  width: fit-content;
}

.participant-check {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(0, 168, 132, 0.4);
  flex-shrink: 0;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loading-content,
.loading-body {
  flex: 1;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  padding: 32px;
  text-align: center;
  margin: auto;
}

.loading-spinner {
  width: 68px;
  height: 68px;
  margin: 0 auto 24px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: spin 1s linear infinite;
}

.loading-spinner svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 12px rgba(0, 229, 170, 0.45));
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.loading-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-align: center;
}

.loading-progress-wrap {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}

.loading-progress-track {
  width: 100%;
  height: 6px;
  background-color: var(--border);
  border-radius: 3px;
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
}

.loading-progress-bar {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 3px;
  width: 0%;
  transition: width 0.25s ease;
  box-shadow: 0 0 12px rgba(0, 229, 170, 0.55);
}

/* ============================================
   ERROR SCREEN
   ============================================ */
.error-content,
.error-body {
  flex: 1;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  padding: 32px;
  text-align: center;
  margin: auto;
}

.error-icon {
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
  color: var(--danger);
  animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

.error-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
  filter: drop-shadow(0 4px 12px rgba(234, 67, 53, 0.35));
}

.error-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.error-message {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 340px;
  margin-bottom: 24px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-spring), box-shadow var(--transition-fast);
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 168, 132, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #02b892 0%, #008069 100%);
  box-shadow: 0 6px 20px rgba(0, 168, 132, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: var(--hover-strong);
  transform: translateY(-2px);
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
  position: relative;
  overflow: hidden;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  transition: transform var(--transition-slow), opacity var(--transition-slow);
  position: absolute;
}

.theme-toggle .icon-sun {
  opacity: 0;
  transform: rotate(90deg) scale(0);
}

.theme-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: rotate(-90deg) scale(0);
}

/* ============================================
   MEDIA VIEWER OVERLAY
   ============================================ */
.media-viewer {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.92);
  z-index: var(--z-media-viewer);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.media-viewer.active {
  opacity: 1;
  pointer-events: auto;
}

.media-viewer-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
  z-index: 2;
}

.media-viewer-counter {
  font-size: var(--font-size-body);
  color: rgba(255, 255, 255, 0.8);
}

.media-viewer-close {
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-circle);
  transition: background-color var(--transition-fast);
}

.media-viewer-close:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.media-viewer-close svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}

.media-viewer-content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.media-viewer-content img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform var(--transition-base);
}

.media-viewer-content img.zoomed {
  cursor: zoom-out;
}

.media-viewer-content video {
  max-width: 100%;
  max-height: 85vh;
  outline: none;
}

.media-viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  background-color: rgba(0, 0, 0, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-circle);
  transition: background-color var(--transition-fast);
  z-index: 2;
}

.media-viewer-nav:hover {
  background-color: rgba(0, 0, 0, 0.6);
}

.media-viewer-nav svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}

.media-viewer-prev {
  left: 12px;
}

.media-viewer-next {
  right: 12px;
}

/* ============================================
   SEARCH HIGHLIGHT
   ============================================ */
mark.search-highlight {
  background-color: var(--mark-bg);
  color: inherit;
  padding: 0 1px;
  border-radius: 2px;
}

mark.search-highlight.active {
  background-color: var(--mark-active-bg);
}

/* ============================================
   CONFIRM DIALOG
   ============================================ */
.confirm-dialog-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--modal-backdrop);
  z-index: var(--z-media-viewer);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.confirm-dialog {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 340px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

.confirm-dialog-title {
  font-size: var(--font-size-header);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.confirm-dialog-message {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.confirm-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ============================================
   CONTEXT MENU
   ============================================ */
.context-menu {
  position: fixed;
  background-color: var(--context-menu-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-dropdown);
  z-index: var(--z-media-viewer);
  min-width: 160px;
  overflow: hidden;
  animation: fadeIn 0.1s ease;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 20px;
  border: none;
  background: none;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  cursor: pointer;
  text-align: left;
  transition: background-color var(--transition-fast);
}

.context-menu-item:hover {
  background-color: var(--hover);
}

.context-menu-item.danger {
  color: var(--danger);
}

/* ============================================
   SEARCH MATCH MARKS & HIGHLIGHTING
   ============================================ */
mark.search-match {
  background: rgba(0, 229, 170, 0.45);
  color: #fff;
  padding: 1px 3px;
  border-radius: 3px;
  font-weight: 600;
  box-shadow: 0 0 8px rgba(0, 229, 170, 0.5);
}

[data-theme="light"] mark.search-match {
  background: rgba(0, 135, 108, 0.4);
  color: #0F171D;
}

.search-highlight {
  animation: highlightPulse 1.8s ease;
}

@keyframes highlightPulse {
  0% { background-color: rgba(0, 229, 170, 0.35); transform: scale(1.01); }
  50% { background-color: rgba(0, 229, 170, 0.2); }
  100% { background-color: transparent; transform: scale(1); }
}

/* ============================================
   SETTINGS ITEMS (used by HTML: .settings-item)
   ============================================ */
.settings-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 20px;
  border: none;
  background: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14.2px;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.15s ease;
}

.settings-item:hover {
  background-color: var(--hover, rgba(255,255,255,0.05));
}

.settings-item svg {
  width: 18px;
  height: 18px;
  fill: var(--text-secondary);
  flex-shrink: 0;
}

.settings-item.danger {
  color: var(--danger, #EA4335);
}

.settings-item.danger svg {
  fill: var(--danger, #EA4335);
}



/* ============================================
   VIRTUAL SCROLL
   ============================================ */
.virtual-scroll-spacer {
  position: relative;
  width: 100%;
}

.virtual-scroll-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}

/* ============================================
   ICON BUTTON SMALL VARIANT
   ============================================ */
.icon-btn.small {
  width: 32px;
  height: 32px;
  padding: 4px;
}

.icon-btn.small svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   ERROR SCREEN
   ============================================ */
.error-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 32px;
  text-align: center;
}

/* ============================================
   PARTICIPANT CHECK MARK
   ============================================ */
.participant-check {
  color: var(--accent, #00A884);
  font-size: 20px;
  font-weight: bold;
  margin-left: auto;
  padding-left: 12px;
}

/* ============================================
   FOOTER ICONS
   ============================================ */
.footer-icon {
  color: var(--text-secondary);
}

.footer-icon:disabled {
  opacity: 0.5;
  cursor: default;
}