/* ========== SIDEBAR ========== */
.sidebar {
  width: var(--nav-width);
  background: var(--bg-paper);
  border-right: 1px dashed var(--divider);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.sidebar-header {
  padding: 24px 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-image {
  width: 30px;
  height: 30px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.auth-logo .logo-image {
  width: 42px;
  height: 42px;
}

.logo-text {
  line-height: 1;
  color: var(--primary);
  background: linear-gradient(95deg, #1f7fe0 0%, #22b6bf 48%, #95d86b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo i {
  color: var(--primary);
  font-size: 1.5rem;
}

.header-actions { display: flex; gap: 4px; }

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  position: relative;
}

.icon-btn:hover {
  background: rgba(145, 158, 171, 0.08);
  color: var(--text-primary);
}

.icon-btn .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--error);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 6px;
  min-width: 18px;
  text-align: center;
}

/* User Profile Card */
.user-profile {
  margin: 0 16px 16px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(0,167,111,0.08) 0%, rgba(0,167,111,0.02) 100%);
  border-radius: calc(var(--radius) * 2);
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.user-profile:hover {
  border-color: rgba(0,167,111,0.24);
  background: linear-gradient(135deg, rgba(0,167,111,0.12) 0%, rgba(0,167,111,0.04) 100%);
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: calc(var(--radius) * 1.5);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  flex-shrink: 0;
}

.avatar img { width: 100%; height: 100%; border-radius: calc(var(--radius) * 1.5); object-fit: cover; }

.level-badge {
  position: absolute;
  bottom: -4px;
  right: -4px;
  background: linear-gradient(135deg, var(--warning) 0%, #FF8800 100%);
  color: var(--grey-900);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 6px;
  border: 2px solid var(--bg-paper);
}

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

.user-name {
  font-weight: 600;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
}

.verified { color: var(--primary); font-size: 0.75rem; }

.user-status {
  font-size: 0.75rem;
  color: var(--success);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.xp-bar {
  height: 4px;
  background: rgba(145, 158, 171, 0.16);
  border-radius: 2px;
  margin-top: 8px;
  overflow: hidden;
}

.xp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--warning) 100%);
  width: 65%;
  border-radius: 2px;
}

.activity-indicator {
  width: 12px;
  height: 12px;
  background: var(--success);
  border-radius: 50%;
  position: absolute;
  bottom: 0;
  right: 0;
  border: 2px solid var(--bg-paper);
}

/* Nav Tabs */
.nav-tabs {
  display: flex;
  margin: 0 16px;
  background: var(--bg-neutral);
  border-radius: var(--radius);
  padding: 4px;
}

.nav-tab {
  flex: 1;
  padding: 10px 8px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border-radius: calc(var(--radius) - 2px);
}

.nav-tab i { font-size: 1.125rem; }

.nav-tab.active {
  color: var(--text-primary);
  background: var(--bg-paper);
  box-shadow: var(--shadow-z1);
}

.nav-tab .tab-badge {
  background: var(--error);
  color: white;
  font-size: 0.5625rem;
  padding: 1px 5px;
  border-radius: 6px;
  position: absolute;
  top: 6px;
  right: calc(50% - 24px);
}

/* Search */
.search-box { padding: 16px; }
.search-wrapper { position: relative; }

.search-wrapper i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-disabled);
  font-size: 0.875rem;
}

.search-input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  border: none;
  border-radius: var(--radius);
  background: var(--bg-neutral);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  transition: var(--transition);
}

.search-input::placeholder { color: var(--text-disabled); }

.search-input:focus {
  outline: none;
  background: var(--bg-paper);
  box-shadow: 0 0 0 2px var(--primary);
}

/* Quick Actions */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 0 16px 16px;
}

.quick-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 4px;
  border-radius: var(--radius);
  background: var(--bg-neutral);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.6875rem;
  font-weight: 500;
  font-family: inherit;
}

.quick-action i { font-size: 1.125rem; color: var(--primary); }

.quick-action:hover {
  background: rgba(0,167,111,0.08);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-z8);
}

/* Chat List */
.chat-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px 8px;
}

.chat-section-title {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-disabled);
  padding: 16px 12px 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.chat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: calc(var(--radius) * 1.5);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 4px;
  position: relative;
}

.chat-item:hover { background: rgba(145, 158, 171, 0.08); }

.chat-item.active {
  background: rgba(0, 167, 111, 0.08);
}

.chat-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 36px;
  background: var(--primary);
  border-radius: 0 4px 4px 0;
}

.chat-item.unread { background: rgba(0, 167, 111, 0.04); }

.chat-avatar {
  width: 48px;
  height: 48px;
  border-radius: calc(var(--radius) * 1.5);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  flex-shrink: 0;
}

.chat-avatar img { width: 100%; height: 100%; border-radius: calc(var(--radius) * 1.5); object-fit: cover; }

.online-dot {
  width: 12px;
  height: 12px;
  background: var(--success);
  border-radius: 50%;
  position: absolute;
  bottom: 0;
  right: 0;
  border: 2px solid var(--bg-paper);
}

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

.chat-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.chat-name {
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-primary);
}

.chat-icons { display: flex; gap: 4px; margin-left: auto; flex-shrink: 0; }
.chat-icons i { font-size: 0.625rem; color: var(--text-disabled); }
.chat-icons .fa-thumbtack { color: var(--warning); }

.chat-preview {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-preview .typing { color: var(--primary); font-style: italic; }

.chat-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.chat-time { font-size: 0.6875rem; color: var(--text-disabled); font-weight: 500; }

.unread-badge {
  background: var(--primary);
  color: white;
  font-size: 0.6875rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 700;
  min-width: 20px;
  text-align: center;
}

.mention-badge { background: var(--warning); color: var(--grey-900); }

.room-type {
  font-size: 0.625rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  color: var(--text-disabled);
  margin-top: 4px;
  display: inline-block;
  background: rgba(34, 197, 94, 0.08);
  color: var(--success);
}