static/css/chat/sidebar.css

/* ============================================================
   CHAT SIDEBAR - FULLY RESPONSIVE WITH TOUCH SUPPORT
   ============================================================ */

/* Sidebar container */
#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 85%;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.98), rgba(20, 78, 85, 0.98));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.3);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

/* When sidebar is open */
#sidebar.open {
  transform: translateX(0) !important;
}

/* Sidebar header */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-logo img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.sidebar-logo h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
}

/* Close button */
#closeSidebarBtn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

#closeSidebarBtn:hover {
  background: rgba(239, 68, 68, 0.8);
  transform: scale(1.05);
}

#closeSidebarBtn svg {
  width: 18px;
  height: 18px;
  stroke: white;
}

/* Sidebar navigation */
#sidebar nav {
  padding: 1rem;
}

#sidebar nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#sidebar nav ul li {
  margin-bottom: 0.5rem;
}

#sidebar nav ul li a,
#sidebar nav ul li button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: 0.5rem;
  color: #e5e7eb;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

#sidebar nav ul li a:hover,
#sidebar nav ul li button:hover {
  background: rgba(59, 130, 246, 0.2);
  color: white;
}

#sidebar nav ul li a svg,
#sidebar nav ul li button svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

/* Conversations section */
.conversations-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.conversations-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  margin-bottom: 0.5rem;
}

.conversations-header h3 {
  font-size: 0.8rem;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#newConversationBtn {
  background: rgba(59, 130, 246, 0.2);
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

#newConversationBtn:hover {
  background: #3b82f6;
  transform: scale(1.05);
}

#conversationList {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: calc(100vh - 280px);
  overflow-y: auto;
}

#conversationList li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 0.25rem;
}

#conversationList li:hover {
  background: rgba(255, 255, 255, 0.1);
}

#conversationList li.active {
  background: rgba(59, 130, 246, 0.3);
}

#conversationList li .truncate {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.85rem;
  color: #e5e7eb;
}

.delete-conversation-btn {
  background: transparent;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s ease;
  color: #ef4444;
}

#conversationList li:hover .delete-conversation-btn {
  opacity: 1;
}

.delete-conversation-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  transform: scale(1.1);
}

/* History toggle button (mobile) */
#historyToggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.7rem 1rem;
  background: transparent;
  border: none;
  color: #e5e7eb;
  cursor: pointer;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

#historyToggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Swipe hint */
#swipeHint {
  position: fixed;
  top: 50%;
  left: 10px;
  transform: translateY(-50%);
  z-index: 1001;
  animation: swipePulse 1.5s ease-in-out infinite;
  cursor: pointer;
}

@keyframes swipePulse {
  0%, 100% {
    transform: translateY(-50%) translateX(0);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-50%) translateX(10px);
    opacity: 1;
  }
}

/* Overlay when sidebar is open on mobile */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Light theme support */
html.light #sidebar {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(240, 248, 255, 0.98));
  border-right-color: rgba(0, 0, 0, 0.1);
}

html.light #sidebar nav ul li a,
html.light #sidebar nav ul li button,
html.light .conversations-header h3,
html.light #historyToggle,
html.light #conversationList li .truncate {
  color: #1f2937;
}

html.light #sidebar nav ul li a:hover,
html.light #sidebar nav ul li button:hover,
html.light #historyToggle:hover {
  background: rgba(0, 0, 0, 0.05);
}

html.light #conversationList li:hover {
  background: rgba(0, 0, 0, 0.05);
}

html.light #conversationList li.active {
  background: rgba(59, 130, 246, 0.1);
}

/* Responsive */
@media (min-width: 768px) {
  #sidebar {
    transform: translateX(0) !important;
  }
  
  .sidebar-overlay {
    display: none;
  }
  
  #closeSidebarBtn {
    display: none;
  }
  
  #swipeHint {
    display: none;
  }
}

@media (max-width: 767px) {
  .main-content {
    margin-left: 0 !important;
  }
}

#sidebar {
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

#sidebar.open {
  transform: translateX(0) !important;
}