TaskMate/frontend/css/assistant.css

/**
 * TASKMATE - Assistant View Styles
 * =================================
 * Claude Assistant Chat Interface
 */

/* Layout */
.assistant-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: calc(100vh - 120px);
  overflow: hidden;
}

/* ===================== */
/* SIDEBAR               */
/* ===================== */

.assistant-sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.assistant-sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
}

.assistant-sidebar-header .btn-block {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.assistant-sessions-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.assistant-session-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  margin-bottom: 2px;
}

.assistant-session-item:hover {
  background: var(--bg-main);
}

.assistant-session-item.active {
  background: var(--primary-light);
  border-left: 3px solid var(--primary);
}

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

.assistant-session-title {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.assistant-session-meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

.assistant-session-delete {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
  flex-shrink: 0;
}

.assistant-session-item:hover .assistant-session-delete {
  opacity: 1;
}

.assistant-session-delete:hover {
  color: var(--danger);
}

/* ===================== */
/* CHAT AREA             */
/* ===================== */

.assistant-chat {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  background: var(--bg-main);
}

.assistant-chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-default);
  flex-shrink: 0;
}

.assistant-chat-header h3 {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
}

/* Status Badges */
.assistant-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 12px;
}

.assistant-status-badge:empty {
  display: none;
}

.assistant-status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.assistant-status-badge.status-running {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
}

.assistant-status-badge.status-running::before {
  background: #22c55e;
}

.assistant-status-badge.status-thinking {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.assistant-status-badge.status-thinking::before {
  background: #f59e0b;
  animation: pulse-dot 1.5s infinite;
}

.assistant-status-badge.status-ended,
.assistant-status-badge.status-stopped {
  background: rgba(100, 116, 139, 0.1);
  color: var(--text-secondary);
}

.assistant-status-badge.status-ended::before,
.assistant-status-badge.status-stopped::before {
  background: #94a3b8;
}

.assistant-status-badge.status-error {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.assistant-status-badge.status-error::before {
  background: #ef4444;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Messages Area */
.assistant-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Message Bubbles */
.assistant-message {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: var(--text-sm);
  line-height: 1.6;
  word-wrap: break-word;
}

.assistant-message.user {
  align-self: flex-end;
  background: var(--primary);
  color: var(--text-inverse);
  border-bottom-right-radius: 4px;
}

.assistant-message.assistant {
  align-self: flex-start;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-bottom-left-radius: 4px;
}

/* Markdown in assistant messages */
.assistant-message.assistant code {
  background: rgba(0, 0, 0, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: 'Courier New', monospace;
}

.assistant-message.assistant pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 12px 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 8px 0;
}

.assistant-message.assistant pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.85em;
}

.assistant-message.assistant ul,
.assistant-message.assistant ol {
  margin: 4px 0;
  padding-left: 20px;
}

.assistant-message.assistant li {
  margin-bottom: 2px;
}

.assistant-message.assistant h1,
.assistant-message.assistant h2,
.assistant-message.assistant h3,
.assistant-message.assistant h4 {
  margin: 8px 0 4px;
  font-weight: 600;
}

.assistant-message.assistant h1 { font-size: 1.2em; }
.assistant-message.assistant h2 { font-size: 1.1em; }
.assistant-message.assistant h3 { font-size: 1.05em; }

.assistant-message.assistant a {
  color: var(--primary);
  text-decoration: underline;
}

.assistant-message.assistant blockquote {
  border-left: 3px solid var(--border-default);
  margin: 8px 0;
  padding: 4px 12px;
  color: var(--text-secondary);
}

.assistant-message .message-time {
  font-size: var(--text-xs);
  opacity: 0.6;
  margin-top: 4px;
  display: block;
}

/* Streaming cursor */
.assistant-message.streaming::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--text-secondary);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink-cursor 0.8s infinite;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Input Bar */
.assistant-input-bar {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-default);
  flex-shrink: 0;
}

.assistant-input {
  flex: 1;
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: var(--text-sm);
  font-family: 'Poppins', sans-serif;
  resize: none;
  max-height: 150px;
  line-height: 1.5;
  background: var(--bg-main);
  color: var(--text-primary);
  transition: border-color 0.15s;
}

.assistant-input:focus {
  outline: none;
  border-color: var(--primary);
}

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

.assistant-send-btn {
  width: 40px;
  height: 40px;
  min-width: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Empty State */
.assistant-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-muted);
  pointer-events: none;
}

.assistant-empty-icon {
  margin-bottom: 16px;
  opacity: 0.3;
}

.assistant-empty h3 {
  margin: 0 0 8px;
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

.assistant-empty p {
  margin: 0;
  font-size: var(--text-sm);
}

/* Hide empty state when messages present */
.assistant-messages:not(:empty) ~ .assistant-empty {
  display: none;
}

/* Hide input bar when no session */
.assistant-chat.no-session .assistant-input-bar {
  display: none;
}

/* ===================== */
/* RESPONSIVE            */
/* ===================== */

@media (max-width: 768px) {
  .assistant-layout {
    grid-template-columns: 1fr;
    height: calc(100vh - 60px);
  }

  .assistant-sidebar {
    display: none;
  }

  .assistant-sidebar.mobile-visible {
    display: flex;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
  }

  .assistant-message {
    max-width: 90%;
  }

  .assistant-input-bar {
    padding: 8px 12px;
  }
}