/* frontend/src/styles/variables.css */
:root {
  --bg-primary: #1a1d21;
  --bg-secondary: #19171d;
  --bg-tertiary: #222529;
  --bg-chat: #1a1d21;
  --bg-input: #222529;
  --bg-hover: #27242c;
  --bg-active: #1164a3;
  --bg-modal: #2c2d30;
  --bg-overlay: rgba(0, 0, 0, 0.6);
  --text-primary: #d1d2d3;
  --text-secondary: #ababad;
  --text-muted: #7a7b7d;
  --text-bright: #ffffff;
  --text-link: #1d9bd1;
  --text-danger: #e01e5a;
  --text-success: #2bac76;
  --accent-primary: #1264a3;
  --accent-hover: #0b4f8a;
  --accent-green: #2bac76;
  --accent-yellow: #f2c744;
  --accent-red: #e01e5a;
  --accent-orange: #f0883e;
  --presence-online: #2bac76;
  --presence-away: #f2c744;
  --presence-dnd: #e01e5a;
  --presence-offline: #616061;
  --border-color: #383838;
  --border-light: #4a4a4d;
  --border-focus: #1264a3;
  --sidebar-width: 260px;
  --members-width: 220px;
  --header-height: 49px;
  --input-min-height: 44px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-round: 50%;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    sans-serif;
  --font-mono:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    Menlo,
    monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
  overflow: hidden;
}
body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.46668;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  color: var(--text-link);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  outline: none;
  transition: border-color var(--transition-fast);
}
input:focus,
textarea:focus {
  border-color: var(--border-focus);
}
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* frontend/src/styles/layout.css */
#app {
  position: fixed;
  inset: 0;
  overflow: hidden;
}
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr var(--members-width);
  grid-template-rows: var(--header-height) 1fr auto;
  grid-template-areas: "sidebar header  members" "sidebar chat    members" "sidebar input   members";
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.app-layout.members-hidden {
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-areas: "sidebar header" "sidebar chat" "sidebar input";
}
.sidebar {
  grid-area: sidebar;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sidebar-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}
.sidebar-workspace-name {
  font-size: var(--font-size-xl);
  font-weight: 900;
  color: var(--text-bright);
}
.sidebar-section {
  padding: 8px 0;
}
.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 16px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.sidebar-section-title {
  font-size: inherit;
  color: inherit;
}
.sidebar-add-btn {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.sidebar-add-btn:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
}
.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-item {
  display: flex;
  align-items: center;
  padding: 4px 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
  gap: 8px;
  min-height: 28px;
  color: var(--text-secondary);
}
.sidebar-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.sidebar-item--active {
  background: var(--bg-active);
  color: var(--text-bright);
}
.sidebar-item--active:hover {
  background: var(--bg-active);
}
.sidebar-item-icon {
  color: var(--text-muted);
  font-size: var(--font-size-md);
  flex-shrink: 0;
}
.sidebar-item--active .sidebar-item-icon {
  color: var(--text-bright);
}
.sidebar-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 15px;
}
.sidebar-item--unread .sidebar-item-name {
  font-weight: 700;
  color: var(--text-bright);
}
.sidebar-badge {
  background: var(--accent-red);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.sidebar-presence-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sidebar-footer {
  margin-top: auto;
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  position: relative;
}
.sidebar-user-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  padding: 2px 0;
}
.sidebar-user-info:hover .sidebar-user-name {
  color: var(--text-bright);
}
.sidebar-user-name {
  font-size: var(--font-size-md);
  color: var(--text-primary);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar-logout-btn {
  padding: 6px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.sidebar-logout-btn:hover {
  background: var(--bg-hover);
  color: var(--accent-red);
}
.sidebar-new-channel {
  padding: 4px 16px 8px;
}
.sidebar-new-channel-input {
  width: 100%;
  padding: 6px 10px;
  font-size: var(--font-size-sm);
  margin-bottom: 4px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}
.sidebar-new-channel-actions {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.sidebar-new-channel-create {
  padding: 4px 10px;
  background: var(--accent-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
}
.sidebar-new-channel-cancel {
  padding: 4px 10px;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}
.channel-header {
  grid-area: header;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
}
.channel-header-hamburger {
  display: none;
  padding: 8px;
  color: var(--text-secondary);
}
.hamburger-icon {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 18px;
}
.hamburger-icon span {
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}
.channel-header-info {
  flex: 1;
  min-width: 0;
}
.channel-header-name {
  font-size: var(--font-size-lg);
  font-weight: 900;
  color: var(--text-bright);
  margin: 0;
}
.channel-header-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 0;
}
.channel-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.channel-header-member-count {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-right: 8px;
}
.channel-header-btn {
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
}
.channel-header-btn:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
}
.channel-header-icon {
  display: block;
}
.message-list {
  grid-area: chat;
  overflow-y: auto;
  padding: 8px 0;
  display: flex;
  flex-direction: column;
}
.message-list-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 4px;
}
.message-list-empty-text {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}
.message-list-empty-hint {
  font-size: var(--font-size-sm);
}
.message-list-load-more {
  text-align: center;
  padding: 8px;
}
.message-list-load-more-btn {
  padding: 6px 16px;
  background: var(--bg-hover);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}
.message-list-load-more-btn:hover {
  background: var(--border-color);
  color: var(--text-bright);
}
.message-input-area {
  grid-area: input;
  padding: 8px 20px 20px;
}
.message-input-container {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}
.message-input-container:focus-within {
  border-color: var(--border-focus);
}
.message-input-row {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  padding: 4px 8px;
}
.message-input-textarea {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px;
  resize: none;
  min-height: var(--input-min-height);
  max-height: 200px;
  line-height: 1.46668;
  color: var(--text-primary);
  font-family: inherit;
  font-size: inherit;
  outline: none;
}
.message-input-attach-btn,
.message-input-emoji-btn {
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.message-input-attach-btn:hover,
.message-input-emoji-btn:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
}
.message-input-send-btn {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.message-input-send-btn:hover {
  background: var(--accent-hover);
}
.message-input-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.message-input-file-hidden {
  display: none;
}
.message-input-file-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}
.message-input-file-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.message-input-file-info {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.message-input-file-name {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}
.message-input-file-remove {
  color: var(--text-muted);
  font-size: 18px;
  padding: 4px;
}
.message-input-file-remove:hover {
  color: var(--accent-red);
}
.message-input-upload-progress {
  height: 3px;
  background: var(--border-color);
}
.message-input-upload-bar {
  height: 100%;
  background: var(--accent-primary);
  transition: width 0.3s ease;
}
.message-input-emoji-picker {
  position: absolute;
  bottom: 100%;
  left: 0;
  margin-bottom: 4px;
  z-index: 50;
}
.user-list {
  grid-area: members;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.user-list-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.user-list-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}
.user-list-content {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px;
}
.user-list-group {
  margin-bottom: 12px;
}
.user-list-group-header {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  padding: 4px 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.user-list-item {
  display: flex;
  align-items: center;
  padding: 4px 8px;
  gap: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.user-list-item:hover {
  background: var(--bg-hover);
}
.user-list-item-info {
  flex: 1;
  min-width: 0;
}
.user-list-item-name {
  font-size: var(--font-size-md);
  color: var(--text-primary);
  display: block;
}
.user-list-item-status {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: block;
}
@media (max-width: 1024px) {
  .app-layout {
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-areas: "sidebar header" "sidebar chat" "sidebar input";
  }
  .user-list {
    display: none;
  }
}
@media (max-width: 768px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-areas: "header" "chat" "input";
  }
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    z-index: 100;
    transition: left var(--transition-normal);
  }
  .sidebar.open {
    left: 0;
  }
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    z-index: 99;
    display: none;
  }
  .sidebar-overlay.visible {
    display: block;
  }
  .channel-header-hamburger {
    display: flex !important;
  }
}
.thread-panel {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 400px;
  max-width: 100vw;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  z-index: 150;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.thread-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  min-height: var(--header-height);
}
.thread-panel-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-bright);
  margin: 0;
}
.thread-panel-close {
  padding: 4px 8px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
}
.thread-panel-close:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
}
.thread-panel-messages {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}
.thread-panel-separator {
  display: flex;
  align-items: center;
  padding: 8px 20px;
  gap: 12px;
}
.thread-panel-separator-line {
  flex: 1;
  height: 1px;
  background: var(--border-color);
}
.thread-panel-separator-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  white-space: nowrap;
}
.thread-panel-input {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.thread-panel-textarea {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: inherit;
  resize: none;
  outline: none;
  min-height: 36px;
}
.thread-panel-textarea:focus {
  border-color: var(--border-focus);
}
.thread-panel-send {
  padding: 8px 16px;
  background: var(--accent-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
}
.thread-panel-send:hover {
  background: var(--accent-hover);
}
.thread-panel-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.search-panel {
  position: fixed;
  top: var(--header-height);
  left: var(--sidebar-width);
  right: 0;
  z-index: 50;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}
.search-bar {
  padding: 8px 16px;
}
.search-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  outline: none;
}
.search-input:focus {
  border-color: var(--border-focus);
}
.search-results {
  max-height: 400px;
  overflow-y: auto;
}
.search-results-empty {
  padding: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}
.search-result-item {
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.search-result-item:hover {
  background: var(--bg-hover);
}
.search-result-author {
  font-weight: 700;
  color: var(--text-bright);
  font-size: var(--font-size-sm);
}
.search-result-content {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@media (max-width: 768px) {
  .search-panel {
    left: 0;
  }
  .thread-panel {
    width: 100%;
  }
}

/* frontend/src/styles/components.css */
.message-item {
  padding: 4px 20px;
  display: flex;
  gap: 8px;
  transition: background var(--transition-fast);
  position: relative;
}
.message-item:hover {
  background: var(--bg-hover);
}
.message-item--deleted {
  opacity: 0.5;
}
.message-item-avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  margin-top: 2px;
}
.message-item-body {
  flex: 1;
  min-width: 0;
}
.message-item-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 2px;
}
.message-item-author {
  font-weight: 700;
  color: var(--text-bright);
  font-size: 15px;
}
.message-item-timestamp {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}
.message-item-edited {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-style: italic;
}
.message-item-content {
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.46668;
}
.message-item-content--deleted {
  font-style: italic;
  color: var(--text-muted);
}
.message-item-content code,
.message-inline-code {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--accent-red);
}
.message-item-content pre,
.message-code-block {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin: 4px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
}
.message-item-content a,
.message-link {
  color: var(--text-link);
}
.message-item-content strong {
  font-weight: 700;
  color: var(--text-bright);
}
.message-item-content em {
  font-style: italic;
}
.message-item-editing {
  margin-top: 4px;
}
.message-item-edit-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: inherit;
  line-height: 1.46668;
  resize: none;
  min-height: 60px;
  outline: none;
}
.message-item-edit-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.message-item-edit-save {
  padding: 4px 12px;
  background: var(--accent-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
}
.message-item-edit-save:hover {
  background: var(--accent-hover);
}
.message-item-edit-cancel {
  padding: 4px 12px;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}
.message-item-edit-cancel:hover {
  color: var(--text-primary);
}
.message-actions {
  position: absolute;
  top: -12px;
  right: 20px;
  display: none;
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2px;
  box-shadow: var(--shadow-md);
  gap: 2px;
}
.message-item:hover .message-actions {
  display: flex;
}
.message-action-btn {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
}
.message-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
}
.message-reactions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}
.message-reaction-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.message-reaction-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
}
.message-reaction-btn--active {
  background: rgba(18, 100, 163, 0.15);
  border-color: var(--accent-primary);
}
.message-reaction-count {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}
.message-emoji-picker-container {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 50;
}
.message-item-attachments {
  margin-top: 4px;
}
.message-attachment {
  margin-top: 4px;
  max-width: 400px;
}
.message-attachment-image {
  max-width: 100%;
  max-height: 300px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border-color);
}
.message-attachment-file {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-decoration: none;
}
.message-attachment-file:hover {
  background: var(--bg-hover);
}
.message-attachment-file-icon {
  font-size: 20px;
}
.message-attachment-file-name {
  flex: 1;
  font-size: var(--font-size-md);
  color: var(--text-link);
  font-weight: 500;
}
.message-attachment-file-size {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}
.message-thread-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  padding: 2px 8px;
  color: var(--text-link);
  font-size: var(--font-size-sm);
  cursor: pointer;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
}
.message-thread-link:hover {
  background: rgba(29, 155, 209, 0.1);
  text-decoration: underline;
}
.message-date-separator {
  display: flex;
  align-items: center;
  padding: 16px 20px 8px;
  gap: 12px;
}
.message-date-separator-line {
  flex: 1;
  height: 1px;
  background: var(--border-color);
}
.message-date-separator-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}
.user-avatar {
  position: relative;
  border-radius: 50%;
  overflow: visible;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.user-avatar-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
.user-avatar-initials {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
}
.user-avatar-presence {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
}
.typing-indicator {
  padding: 4px 20px;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  min-height: 24px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.typing-indicator-dots {
  display: inline-flex;
  gap: 2px;
}
.typing-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typing-bounce 1.4s infinite;
  display: inline-block;
}
.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}
.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}
.typing-indicator-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}
@keyframes typing-bounce {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-4px);
  }
}
.emoji-picker {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
}
.emoji-picker-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}
.emoji-picker button {
  font-size: 20px;
  padding: 4px;
  border-radius: var(--radius-sm);
  text-align: center;
}
.emoji-picker button:hover {
  background: var(--bg-hover);
}
.modal-backdrop,
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-content {
  background: var(--bg-modal);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}
.modal-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-bright);
}
.modal-close,
.modal-close-btn {
  font-size: 20px;
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
}
.modal-close:hover,
.modal-close-btn:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
}
.modal-body {
  padding: 20px;
}
.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--font-size-md);
  transition: all var(--transition-fast);
}
.btn-primary {
  background: var(--accent-primary);
  color: white;
}
.btn-primary:hover {
  background: var(--accent-hover);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background: var(--bg-hover);
}
.btn-danger {
  background: var(--accent-red);
  color: white;
}
.btn-danger:hover {
  opacity: 0.9;
}
.btn-sm {
  padding: 4px 12px;
  font-size: var(--font-size-sm);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 4px;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea {
  width: 100%;
}
.form-error {
  color: var(--accent-red);
  font-size: var(--font-size-sm);
  margin-top: 4px;
}
.toast-container {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 350px;
}
.toast {
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  animation: toast-slide-in 0.3s ease;
}
.toast-title {
  font-weight: 700;
  font-size: var(--font-size-md);
  color: var(--text-bright);
  margin-bottom: 2px;
}
.toast-body {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}
.toast-fade-out {
  animation: toast-fade-out 0.3s ease forwards;
}
@keyframes toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
@keyframes toast-fade-out {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  background: var(--bg-secondary);
}
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 20px;
}
.login-card {
  background: var(--bg-modal);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.login-header {
  padding: 32px 24px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}
.login-title {
  font-size: 28px;
  font-weight: 900;
  color: var(--text-bright);
  margin-bottom: 6px;
}
.login-subtitle {
  color: var(--text-muted);
  font-size: var(--font-size-md);
}
.login-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}
.login-tab {
  flex: 1;
  padding: 12px;
  text-align: center;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}
.login-tab:hover {
  color: var(--text-primary);
}
.login-tab--active {
  color: var(--text-bright);
  border-bottom-color: var(--accent-primary);
}
.login-form {
  padding: 24px;
}
.form-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast);
}
.form-input:focus {
  border-color: var(--border-focus);
  outline: none;
}
.form-input--error {
  border-color: var(--accent-red);
}
.login-submit {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--font-size-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.login-submit:hover {
  background: var(--accent-hover);
}
.login-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.login-error-banner {
  background: rgba(224, 30, 90, 0.1);
  border-left: 3px solid var(--accent-red);
  padding: 10px 16px;
  margin: 0;
  color: var(--accent-red);
  font-size: var(--font-size-sm);
}
.login-error {
  background: rgba(224, 30, 90, 0.1);
  border: 1px solid var(--accent-red);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 12px;
  color: var(--accent-red);
  font-size: var(--font-size-sm);
}
.search-bar {
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
}
.search-bar input {
  width: 100%;
  background: var(--bg-tertiary);
}
.profile-modal {
  text-align: center;
}
.profile-modal-avatar-section {
  position: relative;
  display: inline-block;
  cursor: pointer;
  border-radius: 50%;
  margin-bottom: 4px;
}
.profile-modal-avatar-overlay {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  color: white;
}
.profile-modal-avatar-section:hover .profile-modal-avatar-overlay {
  opacity: 1;
}
.profile-modal-avatar-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: 16px;
}
.profile-modal-error {
  background: rgba(224, 30, 90, 0.1);
  border: 1px solid var(--accent-red);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 12px;
  color: var(--accent-red);
  font-size: var(--font-size-sm);
  text-align: left;
}
.status-selector {
  position: fixed;
  bottom: 56px;
  left: 16px;
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 250;
  min-width: 200px;
  overflow: hidden;
}
.status-selector-title {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 8px 12px 4px;
}
.status-selector-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  text-align: left;
  font-size: var(--font-size-md);
  color: var(--text-primary);
  transition: background var(--transition-fast);
}
.status-selector-option:hover {
  background: var(--bg-hover);
}
.status-selector-option--active {
  background: var(--bg-active);
}
.status-selector-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-selector-label {
  flex: 1;
}
.status-selector-check {
  color: var(--accent-primary);
  font-weight: 700;
}
.invite-modal-search {
  margin-bottom: 12px;
}
.invite-modal-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}
.invite-modal-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}
.invite-modal-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.invite-modal-item:hover {
  background: var(--bg-hover);
}
.invite-modal-item--selected {
  background: var(--bg-active);
}
.invite-modal-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: white;
  flex-shrink: 0;
}
.invite-modal-item--selected .invite-modal-checkbox {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}
.invite-modal-user-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.invite-modal-user-name {
  font-weight: 600;
  color: var(--text-bright);
  font-size: var(--font-size-md);
}
.invite-modal-user-handle {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}
.channel-browser-search {
  margin-bottom: 12px;
}
.channel-browser-list {
  max-height: 350px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}
.channel-browser-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}
.channel-browser-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}
.channel-browser-item:last-child {
  border-bottom: none;
}
.channel-browser-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.channel-browser-item-name {
  font-weight: 700;
  color: var(--text-bright);
  font-size: var(--font-size-md);
}
.channel-browser-item-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.channel-browser-item-members {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}
.user-list-actions {
  display: flex;
  gap: 4px;
}
.user-list-action-btn {
  padding: 4px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}
.user-list-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.user-list-leave-btn:hover {
  color: var(--accent-red);
}
.user-list-role-badge {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(88, 101, 242, 0.1);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  margin-left: 4px;
}
.sidebar-section-actions {
  display: flex;
  gap: 4px;
  align-items: center;
}
.sidebar-browse-btn {
  padding: 2px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}
.sidebar-browse-btn:hover {
  color: var(--text-bright);
}
.sidebar-user-status {
  cursor: pointer;
  flex-shrink: 0;
}
.sidebar-user-status-emoji {
  font-size: 12px;
  margin-left: 2px;
}
/*# sourceMappingURL=app.css.map */