/* ============================================================
   Workspace Chat Pane — Claude.ai-inspired message styling
   ============================================================ */

/* Chat pane: flex column — tab bar on top, content below
   NOTE: do NOT set display here; .workspace-pane / .active controls visibility */
#pane-chat.workspace-pane {
  position: relative;
  overflow: hidden;
  flex-direction: column;
}

/* Welcome overlay fills remaining space below tabs */
#pane-chat .ws-chat-pane {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  pointer-events: auto;
  background: var(--bg-primary, #0d1117);
}

/* When chat has messages, hide welcome and show AI panel */
#pane-chat .ws-chat-pane.has-messages {
  display: none;
}

/* Sessions tab bar floats above the welcome overlay */
#pane-chat #ai-panel-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  position: relative;
}

#pane-chat .stx-shell-ai-sessions-bar {
  z-index: 20;
  position: relative;
}

/* Chat pane: hide ALL old AI panel chrome */
#pane-chat .stx-shell-ai-panel-header {
  display: none !important;
}

#pane-chat .stx-shell-ai-console-view {
  display: none !important;
}

#pane-chat .stx-shell-ai-chat-view {
  display: flex !important;
  flex-direction: column;
  width: 100% !important;
  height: 100%;
}

/* Tab bar styles: see workspace-tabbar.css (single source of truth) */

/* Chat-specific: action buttons panel */
#pane-chat .stx-shell-ai-sessions-bar .stx-shell-ai-panel-actions {
  display: flex;
  gap: 4px;
  align-items: center;
}

/* Session tab items width override */
#pane-chat .stx-shell-ai-session-item {
  width: auto !important;
  height: auto !important;
}

#pane-chat .stx-shell-ai-session-item.active {
  background: rgba(56, 139, 253, 0.12) !important;
  border-color: rgba(56, 139, 253, 0.4) !important;
  color: var(--text-primary, #f0f6fc) !important;
}

/* ── Messages: Claude.ai-inspired styling ── */

/* Messages container: centered, compact gaps */
#pane-chat .stx-shell-ai-messages {
  width: 100% !important;
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 24px 12px;
  gap: 16px;
}

/* Base message styles — compact for LLM output */
/* Override scitex-ui's white-space:pre-line which doubles every newline */
#pane-chat .stx-shell-ai-msg {
  font-size: 14px;
  line-height: 1.45;
  border: none !important;
  white-space: normal !important;
}

/* Markdown segments inside messages — tighter spacing */
#pane-chat .ai-md-segment {
  font-size: 14px;
  line-height: 1.45;
}

/* User messages: subtle bubble, right-aligned */
#pane-chat .stx-shell-ai-msg.user {
  max-width: 80%;
  padding: 12px 18px;
  border-radius: 18px 18px 4px 18px;
  background: rgba(56, 139, 253, 0.08) !important;
  color: var(--text-primary, #f0f6fc) !important;
}

/* Assistant messages: no bubble, flowing text, avatar above */
#pane-chat .stx-shell-ai-msg.assistant {
  max-width: 100%;
  background: transparent !important;
  border: none !important;
  border-radius: 0;
  position: relative;
  padding: 0;
  color: var(--text-primary, #f0f6fc) !important;
}

/* SciTeX agent avatar — below the message text (like Claude.ai) */
#pane-chat .stx-shell-ai-msg.assistant::after {
  content: "";
  display: block;
  width: 28px;
  height: 28px;
  margin-top: 12px;
  background:
    url("/static/shared/images/scitex_logos/scitex-icons/scitex-icon-snake-only.svg")
      center / 20px 20px no-repeat,
    linear-gradient(135deg, #2d333b, #1c2128);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* Remove old ::before (no avatar above) */
#pane-chat .stx-shell-ai-msg.assistant::before {
  display: none;
}

/* Streaming: avatar grows and pulses during processing */
#pane-chat.ai-streaming .stx-shell-ai-msg.assistant:last-of-type::after {
  animation: avatar-breathe 2s ease-in-out infinite;
}

@keyframes avatar-breathe {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 4px 2px rgba(56, 139, 253, 0.1);
    background:
      url("/static/shared/images/scitex_logos/scitex-icons/scitex-icon-snake-only.svg")
        center / 20px 20px no-repeat,
      linear-gradient(135deg, #2d333b, #1c2128);
  }
  50% {
    transform: scale(1.15);
    box-shadow: 0 0 16px 6px rgba(56, 139, 253, 0.25);
    background:
      url("/static/shared/images/scitex_logos/scitex-icons/scitex-icon-snake-only.svg")
        center / 20px 20px no-repeat,
      linear-gradient(135deg, #1a3a5c, #0d2240);
  }
}

/* Typing/loading — no separate avatar (streaming avatar handles it) */
#pane-chat .stx-shell-ai-typing {
  padding-left: 0;
}

@keyframes avatar-loading {
  0%,
  100% {
    box-shadow: 0 0 4px 2px rgba(56, 139, 253, 0.1);
  }
  50% {
    box-shadow: 0 0 16px 6px rgba(56, 139, 253, 0.35);
  }
}

/* Assistant message content — compact paragraphs (balanced) */
#pane-chat .stx-shell-ai-msg.assistant p {
  margin: 0.15em 0 !important;
  padding: 0 !important;
  line-height: 1.5;
}

#pane-chat .stx-shell-ai-msg.assistant h1,
#pane-chat .stx-shell-ai-msg.assistant h2,
#pane-chat .stx-shell-ai-msg.assistant h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0.6em 0 0.1em 0 !important;
  line-height: 1.3;
}

#pane-chat .stx-shell-ai-msg.assistant strong {
  font-weight: 600;
}

/* Override bootstrap's 1rem margin on lists — covers both final + streaming */
#pane-chat ul,
#pane-chat ol {
  padding-left: 1.2em !important;
  margin: 0.1em 0 !important;
}

#pane-chat li {
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1.5;
}

/* Kill paragraph margins INSIDE list items */
#pane-chat li p {
  margin: 0 !important;
  padding: 0 !important;
}

/* Kill all BR-based spacing and streaming preview gaps */
#pane-chat .stx-shell-ai-msg br + br {
  display: none;
}

/* Streaming preview + segments: compact paragraphs */
#pane-chat .ai-md-streaming p,
#pane-chat .ai-md-segment p {
  margin: 0.15em 0 !important;
  padding: 0 !important;
  line-height: 1.5;
}

#pane-chat .stx-shell-ai-msg.assistant code {
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(110, 118, 129, 0.15);
}

#pane-chat .stx-shell-ai-msg.assistant pre {
  border-radius: 8px;
  padding: 12px 16px;
  margin: 0.8em 0;
  overflow-x: auto;
}

#pane-chat .stx-shell-ai-msg.error {
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 8px;
  max-width: 85%;
}

/* Typing indicator — with spinning avatar */
#pane-chat .stx-shell-ai-typing {
  font-size: 14px;
  padding: 8px 0 8px 44px;
  background: transparent !important;
  border: none !important;
  position: relative;
}

#pane-chat .stx-shell-ai-typing::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 28px;
  height: 28px;
  background:
    url("/static/shared/images/scitex_logos/scitex-icons/scitex-icon-snake-only.svg")
      center / 20px 20px no-repeat,
    linear-gradient(135deg, #2d333b, #1c2128);
  border-radius: 50%;
  animation: avatar-breathe 3s ease-in-out infinite;
}

/* ── Input area: flex column, model badge below input ── */
#pane-chat .stx-shell-ai-input-area {
  width: 100% !important;
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 24px 20px;
  background: transparent !important;
  display: flex !important;
  flex-direction: column;
}

/* Input wrap: large rounded box — contains textarea + action buttons */
#pane-chat .stx-shell-ai-input-wrap {
  background: var(--bg-secondary, #161b22) !important;
  border: 1px solid var(--border-default, #30363d) !important;
  border-radius: 20px !important;
  padding: 16px 20px 12px !important;
  flex-wrap: wrap;
  gap: 8px;
  order: 1;
  cursor: text;
}

#pane-chat .stx-shell-ai-input-wrap:focus-within {
  border-color: var(--text-link, #58a6ff) !important;
}

/* Textarea: two rows, no resize handle, full hit area */
#pane-chat .stx-shell-ai-input {
  min-height: 52px !important;
  font-size: 15px !important;
  resize: none !important;
  flex: 1;
  width: 100%;
  line-height: 1.5;
}

/* Model badge: pill button below input (Claude.ai style) */
#pane-chat .stx-shell-ai-model-badge {
  order: 2;
  display: inline-flex !important;
  align-items: center;
  gap: 4px;
  font-size: 13px !important;
  font-weight: 500;
  color: var(--text-secondary, #c9d1d9) !important;
  padding: 6px 12px;
  border: 1px solid var(--border-default, #30363d);
  border-radius: 16px;
  cursor: pointer;
  white-space: nowrap;
  margin-top: 8px;
  align-self: flex-end;
}

#pane-chat .stx-shell-ai-model-badge::after {
  content: "▾";
  font-size: 10px;
  opacity: 0.6;
}

#pane-chat .stx-shell-ai-model-badge:hover {
  background: rgba(177, 186, 196, 0.08);
  border-color: var(--text-secondary, #c9d1d9);
}

/* Image previews container */
#pane-chat .stx-shell-ai-image-previews {
  order: 0;
}

/* Keep all input buttons visible (camera, sketch, mic, gear) */

/* Input buttons: subtle */
#pane-chat .stx-shell-ai-input-btn,
#pane-chat .stx-shell-ai-mic {
  opacity: 0.6;
}

#pane-chat .stx-shell-ai-input-btn:hover,
#pane-chat .stx-shell-ai-mic:hover {
  opacity: 1;
}

/* Hide old empty state (replaced by our welcome overlay) */
#pane-chat .stx-shell-ai-empty {
  display: none !important;
}

/* Hide unnecessary elements in chat bottom */
#pane-chat .stx-shell-ai-image-previews:empty,
#pane-chat .stx-shell-ai-vol,
#pane-chat .stx-shell-ai-stt-model,
#pane-chat #stx-shell-ai-send {
  display: none !important;
}