/* Chat window layout */
#chat-section {
  display: none;
  flex-direction: column;
  position: relative;
  flex: 1;
  height: 100%;
  min-height: 0;
  min-width: 0;
  border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 8px 30px rgba(66, 36, 128, 0.1);
  overflow: hidden;
}

.active-friends {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(124, 58, 237, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(247, 245, 255, 0.8));
  flex-shrink: 0;
}

.active-friends-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.8rem;
  min-width: 0;
}

.one-active-friend {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.chat-profile-trigger {
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  cursor: pointer;
  border-radius: 999px;
}

.chat-profile-trigger:focus-visible {
  outline: 2px solid rgba(124, 58, 237, 0.45);
  outline-offset: 2px;
}

.friend-avatar-header {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.28);
}

.chat-header-meta {
  min-width: 0;
}

.active-friends .friend-chat-name {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-presence-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.chat-presence-text {
  margin: 0;
  font-size: 0.74rem;
  color: var(--text-secondary);
}

.group-header-trigger {
  margin-top: 0.24rem;
  border: 1px solid rgba(124, 58, 237, 0.22);
  background: rgba(124, 58, 237, 0.06);
  color: var(--accent-violet);
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  font-size: 0.7rem;
}

.group-header-name {
  font-weight: 600;
}

.group-header-count {
  color: var(--text-secondary);
}

.group-info-panel {
  position: absolute;
  right: 0;
  top: 0;
  width: min(300px, 85vw);
  height: 100%;
  background: #fff;
  border-left: 1px solid rgba(124, 58, 237, 0.16);
  box-shadow: -12px 0 34px rgba(17, 24, 39, 0.12);
  transform: translateX(100%);
  transition: transform 200ms ease;
  z-index: 6;
  display: flex;
  flex-direction: column;
}

.group-info-panel.is-open {
  transform: translateX(0);
}

.group-info-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem;
  border-bottom: 1px solid rgba(124, 58, 237, 0.14);
}

.group-info-panel-header h3 {
  margin: 0;
  font-size: 0.95rem;
}

.group-info-close-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.group-info-members-list {
  margin: 0;
  padding: 0.75rem;
  list-style: none;
  flex: 1;
  overflow-y: auto;
}

.group-info-member-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.42rem 0;
}

.group-info-member-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
}

.group-info-member-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.5rem;
}

.group-info-member-name {
  margin: 0;
  font-size: 0.83rem;
}

.group-info-member-loading,
.group-info-member-empty {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.group-leave-btn {
  margin: 0.75rem;
  border: 1px solid rgba(220, 38, 38, 0.25);
  background: rgba(220, 38, 38, 0.08);
  color: #b91c1c;
  border-radius: 10px;
  padding: 0.48rem 0.55rem;
  cursor: pointer;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.chat-header-action-btn,
.chat-action {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(124, 58, 237, 0.17);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, color 140ms ease;
  padding: 0;
}

.chat-header-action-btn:hover,
.chat-action:hover {
  color: var(--accent-violet);
  border-color: rgba(124, 58, 237, 0.4);
  transform: translateY(-1px);
}

.back-to-chat-list button,
.back-button {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(124, 58, 237, 0.17);
  background: rgba(255, 255, 255, 0.88);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.back-to-chat-list svg,
.back-button svg {
  width: 18px;
  height: 18px;
}

.chat-main-grid {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  grid-template-columns: minmax(0, 1fr) 280px;
}

#chat-section ul.chat-message-list {
  margin: 0;
  padding: 0.95rem 1.1rem;
  height: 100%;
  min-height: 0;
  list-style: none;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(124, 58, 237, 0.18) transparent;
  border-right: 1px solid rgba(124, 58, 237, 0.1);
}

#chat-section ul.chat-message-list::-webkit-scrollbar {
  width: 5px;
}

#chat-section ul.chat-message-list::-webkit-scrollbar-thumb {
  background: rgba(124, 58, 237, 0.18);
  border-radius: 10px;
}

.chat-info-panel {
  padding: 0.75rem;
  background: linear-gradient(180deg, rgba(248, 246, 255, 0.92), rgba(255, 255, 255, 0.9));
  overflow: hidden;
}

.chat-info-card {
  border: 1px solid rgba(124, 58, 237, 0.14);
  border-radius: 12px;
  padding: 0.65rem;
  background: #fff;
  margin-bottom: 0.55rem;
}

.chat-info-card h4 {
  margin: 0 0 0.25rem;
  font-size: 0.82rem;
}

.chat-info-muted {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.74rem;
}

.chat-info-link-btn {
  margin-top: 0.45rem;
  border: 1px solid rgba(124, 58, 237, 0.22);
  color: var(--accent-violet);
  background: rgba(124, 58, 237, 0.06);
  border-radius: 999px;
  padding: 0.36rem 0.62rem;
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
}

.chat-media-grid {
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem;
}

.chat-media-thumb {
  border-radius: 10px;
  aspect-ratio: 4 / 3;
  background: linear-gradient(120deg, rgba(124, 58, 237, 0.12), rgba(8, 145, 178, 0.18));
}

.chat-file-item {
  margin-top: 0.4rem;
  display: flex;
  gap: 0.45rem;
  align-items: center;
}

.chat-shared-files-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.chat-file-link-item {
  text-decoration: none;
  border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: 10px;
  padding: 0.4rem;
  transition: border-color 140ms ease, transform 140ms ease;
}

.chat-file-link-item:hover {
  border-color: rgba(124, 58, 237, 0.35);
  transform: translateY(-1px);
}

#chat-upload-status {
  min-height: 1rem;
  margin-bottom: 0.3rem;
}

.chat-file-icon {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-violet);
  border-radius: 8px;
  border: 1px solid rgba(124, 58, 237, 0.2);
  padding: 0.22rem 0.4rem;
}

.chat-file-name {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 600;
}

.message-item {
  margin: 0.55rem 0;
  color: var(--text-primary);
  font-size: var(--font-size-1);
}

.message-item-left {
  text-align: left;
}

.message-item-right {
  text-align: right;
}

.message-item p {
  margin: 0;
  padding: 0.55rem 0.8rem;
  white-space: pre-wrap;
  display: inline-block;
  max-width: min(80%, 560px);
  text-align: left;
  border-radius: 15px;
  position: relative;
  box-shadow: 0 2px 8px rgba(99, 58, 200, 0.08);
}

.message-item p span {
  word-wrap: break-word;
  line-height: 1.45;
}

.message-item p .message-meta {
  display: block;
  margin-bottom: 0.15rem;
  font-size: var(--font-size-0);
  color: rgba(30, 27, 75, 0.35);
  font-weight: 600;
}

.message-file-link {
  display: block;
  margin-top: 0.4rem;
  padding: 0.45rem 0.55rem;
  border-radius: 10px;
  text-decoration: none;
  border: 1px solid rgba(124, 58, 237, 0.22);
  background: rgba(255, 255, 255, 0.22);
}

.message-file-preview {
  display: block;
  width: min(260px, 100%);
  border-radius: 9px;
  margin-bottom: 0.4rem;
  object-fit: cover;
  background: rgba(124, 58, 237, 0.08);
}

.message-file-preview-image,
.message-file-preview-video {
  max-height: 220px;
}

.message-file-preview-audio {
  width: min(260px, 100%);
}

.message-file-name {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.3;
}

.message-file-meta {
  display: block;
  margin-top: 0.1rem;
  font-size: var(--font-size-0);
  opacity: 0.8;
}

.message-item-left .message-file-link {
  color: var(--accent-violet);
  background: rgba(124, 58, 237, 0.06);
}

.message-item-right .message-file-link {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.14);
}

.message-item-left p {
  background: #fff;
  border: 1px solid rgba(124, 58, 237, 0.12);
  color: var(--text-primary);
  border-radius: 4px 15px 15px 15px;
}

.message-item-right p {
  background: var(--accent-gradient);
  color: #fff;
  border-radius: 15px 4px 15px 15px;
  border: none;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.28);
}

.message-item-right p .message-meta {
  color: rgba(255, 255, 255, 0.72);
}

.message-item .message-item-action {
  position: absolute;
  top: 0;
  left: -24px;
  cursor: pointer;
  display: none;
  color: var(--text-muted);
}

.message-item:hover .message-item-action {
  display: block;
}

.message-item .message-item-action-menu {
  position: absolute;
  border: 1px solid rgba(220, 38, 38, 0.2);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.98);
  top: 0;
  left: -75px;
  box-shadow: var(--shadow-panel);
}

.message-item .message-item-action-menu button {
  border: none;
  margin: 0;
  padding: 0.45rem 0.75rem;
  font: inherit;
  font-size: var(--font-size-0);
  color: var(--color-danger-zone);
  background-color: transparent;
  cursor: pointer;
}

.main-error-info {
  margin: 0;
}

.main-error-info p {
  box-sizing: border-box;
  background: var(--color-error-box);
  border-bottom: 1px solid rgba(220, 38, 38, 0.15);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  color: var(--color-error-text);
  font-size: var(--font-size-0);
}

.main-error-info span.closing-message-symbol {
  color: var(--color-error-text);
  cursor: pointer;
  opacity: 0.8;
  font-size: 1.1rem;
}

.message-item p.message-item-error {
  background-color: transparent;
  color: var(--color-error-text);
  font-size: var(--font-size-0);
  text-align: right;
  border: none;
  padding: 0.1rem 0 0;
  box-shadow: none;
}

.message-item p.message-item-error span {
  line-height: normal;
}

.message-item p.line-break-control {
  display: block;
  background-color: transparent;
  padding: 0;
  margin: 0;
  border: none;
  box-shadow: none;
}

.chat-actions {
  box-sizing: border-box;
  padding: 0.65rem 0.9rem 0.85rem;
  border-top: 1px solid rgba(124, 58, 237, 0.12);
  background: rgba(255, 255, 255, 0.86);
  display: flex;
  align-items: stretch;
  flex-direction: column;
  gap: 0.55rem;
  flex-shrink: 0;
}

.chat-upload-preview {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.55rem;
  align-items: center;
  border: 1px solid rgba(124, 58, 237, 0.16);
  background: rgba(255, 255, 255, 0.96);
  border-radius: 12px;
  padding: 0.5rem;
}

.chat-upload-preview-media,
.chat-upload-preview-generic {
  width: 58px;
  height: 58px;
  border-radius: 9px;
  object-fit: cover;
}

.chat-upload-preview-generic {
  border: 1px dashed rgba(124, 58, 237, 0.3);
  color: var(--accent-violet);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

.chat-upload-preview-meta {
  min-width: 0;
}

.chat-upload-preview-name,
.chat-upload-preview-size {
  margin: 0;
}

.chat-upload-preview-name {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-upload-preview-size {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.chat-upload-preview-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.chat-upload-preview-actions button {
  border: 1px solid rgba(124, 58, 237, 0.22);
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.05);
  color: var(--text-primary);
  padding: 0.3rem 0.6rem;
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
}

.chat-upload-preview-send {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
}

.chat-actions-layout {
  display: flex;
  align-items: flex-end;
  width: 100%;
  gap: 0.45rem;
}

.text-area-container {
  background: #fff;
  padding: 0.62rem 0.85rem;
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 16px;
  flex: 1;
  box-shadow: 0 2px 10px rgba(99, 58, 200, 0.08);
}

.text-area-container:focus-within {
  border-color: rgba(124, 58, 237, 0.45);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.chat-actions textarea {
  resize: none;
  font: inherit;
  outline: none;
  border: none;
  color: var(--text-primary);
  padding: 0;
  width: 100%;
  min-height: 1.1rem;
  max-height: 8rem;
  background: transparent;
  caret-color: var(--accent-violet);
}

.chat-input-icon-btn {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(124, 58, 237, 0.18);
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.05);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.chat-input-icon-btn:hover {
  color: var(--accent-violet);
  border-color: rgba(124, 58, 237, 0.34);
}

.chat-send-btn {
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
  cursor: pointer;
  flex-shrink: 0;
}

.chat-send-btn:hover {
  transform: scale(1.06);
}

.scroll-to-bottom-btn {
  position: absolute;
  right: 2.7rem;
  bottom: 5rem;
  z-index: 1;
  cursor: pointer;
  border: 1px solid rgba(124, 58, 237, 0.25);
  height: 38px;
  width: 38px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-card);
  color: var(--text-secondary);
}

.scroll-to-bottom-btn-animate {
  animation: floatUp 0.5s linear 0s infinite alternate;
}

#messages-loader {
  width: 1.3rem;
  height: 1.3rem;
  position: absolute;
  left: calc(50% - 0.65rem - 2px);
  top: 13%;
}

.chat-action-menu {
  position: absolute;
  top: 2.5rem;
  right: 0;
  min-width: 8rem;
  border: 1px solid rgba(124, 58, 237, 0.16);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(66, 36, 128, 0.14);
  padding: 0.3rem;
  z-index: 2;
}

.chat-action-menu button {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  padding: 0.45rem 0.55rem;
  border-radius: 9px;
  cursor: pointer;
}

.chat-action-menu button:hover {
  background: rgba(124, 58, 237, 0.08);
  color: var(--accent-violet);
}

.is-typing-info {
  margin: 0;
  font-size: 0.73rem;
  color: var(--text-secondary);
}

/* Emoji Picker Modal */
.emoji-picker-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-out;
}

.emoji-picker-modal[hidden] {
  display: none;
}

.emoji-picker-content {
  background: white;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  width: 90%;
  max-width: 360px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.emoji-picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid rgba(124, 58, 237, 0.12);
  flex-shrink: 0;
}

.emoji-picker-header h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.emoji-picker-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.emoji-picker-close:hover {
  background: rgba(124, 58, 237, 0.08);
  color: var(--text-primary);
}

.emoji-picker-close:focus-visible {
  outline: 2px solid rgba(124, 58, 237, 0.45);
  outline-offset: 2px;
}

.emoji-picker-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.5rem;
  padding: 1rem;
  overflow-y: auto;
  overflow-x: hidden;
}

.emoji-picker-grid::-webkit-scrollbar {
  width: 6px;
}

.emoji-picker-grid::-webkit-scrollbar-track {
  background: transparent;
}

.emoji-picker-grid::-webkit-scrollbar-thumb {
  background: rgba(124, 58, 237, 0.3);
  border-radius: 3px;
}

.emoji-picker-grid::-webkit-scrollbar-thumb:hover {
  background: rgba(124, 58, 237, 0.45);
}

.emoji-item {
  width: 100%;
  height: 100%;
}

.emoji-item button {
  width: 100%;
  aspect-ratio: 1;
  border: none;
  background: transparent;
  font-size: 1.75rem;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.emoji-item button:hover {
  background: rgba(124, 58, 237, 0.1);
  transform: scale(1.1);
}

.emoji-item button:focus-visible {
  outline: 2px solid rgba(124, 58, 237, 0.45);
  outline-offset: 2px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes floatUp {
  from {
    bottom: 5rem;
  }

  to {
    bottom: 5.7rem;
  }
}

@media (max-width: 1199px) {
  .chat-main-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .chat-info-panel {
    display: none;
  }
}

@media (max-width: 767px) {
  #chat-section {
    border-radius: 12px;
  }

  .active-friends {
    padding: 0.65rem 0.75rem;
  }

  .back-to-chat-list button,
  .back-button {
    display: inline-flex;
  }

  .chat-actions {
    padding: 0.55rem 0.65rem 0.75rem;
  }

  .chat-input-icon-btn {
    width: 34px;
    height: 34px;
  }

  .chat-send-btn {
    width: 38px;
    height: 38px;
  }
}