/* ===== CLOUD AI ===== */
#page-ai { overflow: hidden !important; }

.ai-page {
  position: absolute;
  top: var(--nav-height); left: 0; right: 0; bottom: 0;
  display: grid;
  grid-template-columns: 240px 1fr;
  background: transparent;
  overflow: hidden;
  z-index: 2;
}

/* ── Sidebar ── */
.ai-sidebar {
  display: flex; flex-direction: column;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-right: 1px solid rgba(255,255,255,0.07);
  overflow: hidden;
}

.ai-sidebar-top {
  padding: 16px 14px 12px;
  display: flex; flex-direction: column; gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.ai-sidebar-brand {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700; color: var(--text-primary);
  letter-spacing: -.02em;
}

.ai-new-chat-btn {
  display: flex; align-items: center; gap: 7px;
  width: 100%; padding: 9px 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  font-size: 13px; font-weight: 600; color: var(--text-primary);
  cursor: pointer; transition: all var(--transition);
}
.ai-new-chat-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.18);
}

.ai-sidebar-inner {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column; gap: 8px;
  padding: 12px 10px;
  overflow: hidden;
}

.ai-thread-search-input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px; color: var(--text-primary);
  font-family: var(--font);
  transition: all var(--transition);
  flex-shrink: 0;
}
.ai-thread-search-input:focus {
  outline: none;
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.15);
}
.ai-thread-search-input::placeholder { color: var(--text-muted); }

.ai-thread-list {
  flex: 1; overflow-y: auto;
  display: flex; flex-direction: column; gap: 2px;
  min-height: 0;
}
.ai-thread-list::-webkit-scrollbar { width: 4px; }
.ai-thread-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

/* Thread section label (TODAY, YESTERDAY, etc.) */
.ai-thread-section-label {
  font-size: 10px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .1em;
  padding: 8px 8px 4px;
}

.ai-thread-item {
  text-align: left; padding: 9px 10px;
  border-radius: 8px; background: transparent;
  font-size: 13px; font-weight: 500; color: var(--text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: all var(--transition);
  border: 1px solid transparent;
  width: 100%; cursor: pointer;
}
.ai-thread-item:hover { background: rgba(255,255,255,0.07); color: var(--text-primary); }
.ai-thread-item.active {
  background: color-mix(in srgb, var(--accent) 15%, rgba(0,0,0,0.3));
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--text-primary); font-weight: 600;
}

/* Thread delete */
.ai-thread-item-wrap { position: relative; display: flex; align-items: center; }
.ai-thread-item-wrap .ai-thread-item { flex: 1; padding-right: 28px; }
.ai-thread-delete {
  position: absolute; right: 3px; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; border-radius: 5px;
  background: transparent; border: none; color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: all var(--transition); cursor: pointer;
}
.ai-thread-item-wrap:hover .ai-thread-delete { opacity: 1; }
.ai-thread-delete:hover { background: rgba(255,68,68,0.2); color: #ef4444; }

.ai-sidebar-footer {
  padding: 10px 10px 14px;
  display: flex; flex-direction: column; gap: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.ai-mode-row, .ai-reasoning-row {
  display: flex; gap: 4px; align-items: center;
}
.ai-reasoning-label {
  font-size: 10px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .08em;
  margin-right: 2px; white-space: nowrap;
}
.ai-mode-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 5px;
  padding: 6px 8px; border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  cursor: pointer; transition: all var(--transition);
}
.ai-mode-btn:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.ai-mode-btn.active {
  background: color-mix(in srgb, var(--accent) 15%, rgba(0,0,0,0.3));
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--text-primary);
}
.ai-reasoning-btn {
  flex: 1; padding: 5px 6px; border-radius: 7px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 10px; font-weight: 700; color: var(--text-muted);
  cursor: pointer; transition: all var(--transition);
}
.ai-reasoning-btn:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.ai-reasoning-btn.active {
  background: color-mix(in srgb, var(--accent) 15%, rgba(0,0,0,0.3));
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--text-primary);
}
.ai-sidebar-action-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 10px; border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  cursor: pointer; transition: all var(--transition);
}
.ai-sidebar-action-btn:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

/* ── Chat panel ── */
.ai-chat-panel {
  display: flex; flex-direction: column;
  overflow: hidden; background: transparent; position: relative;
}

/* Messages area */
.ai-chat-messages {
  flex: 1; overflow-y: auto;
  display: flex; flex-direction: column;
  padding: 32px 0 16px; min-height: 0;
  scroll-behavior: smooth;
}
.ai-chat-messages::-webkit-scrollbar { width: 6px; }
.ai-chat-messages::-webkit-scrollbar-track { background: transparent; }
.ai-chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

/* Empty state style */
.ai-empty-state {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 32px; padding: 40px 40px 20px;
  animation: fadeInUp 0.5s ease;
}
@keyframes fadeInUp { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }

.ai-empty-title {
  font-size: 32px; font-weight: 800; letter-spacing: -.05em;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.6);
  text-align: center; line-height: 1.2;
}

/* Suggestion cards grid */
.ai-suggestions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: 100%; max-width: 600px;
}
.ai-suggestion-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 14px;
  padding: 16px 18px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex; flex-direction: column; gap: 6px;
  text-align: left;
}
.ai-suggestion-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-2px);
}
.ai-suggestion-card svg { color: var(--text-muted); opacity: 0.7; }
.ai-suggestion-title {
  font-size: 13px; font-weight: 600; color: var(--text-primary);
  line-height: 1.3;
}
.ai-suggestion-sub {
  font-size: 12px; color: var(--text-muted); line-height: 1.3;
}

/* Message rows */
.ai-msg-row {
  display: flex; gap: 14px;
  padding: 16px 32px;
  animation: msgIn 0.3s cubic-bezier(0.4,0,0.2,1) both;
  opacity: 0;
}
@keyframes msgIn { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
.ai-msg-row:hover { background: transparent; }
.ai-msg-row.user { flex-direction: row-reverse; }
/* Extra spacing when role changes */
.ai-msg-row.assistant + .ai-msg-row.user,
.ai-msg-row.user + .ai-msg-row.assistant { margin-top: 8px; }

.ai-msg-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 13px; font-weight: 700; margin-top: 2px;
}
.ai-msg-row.user .ai-msg-avatar {
  background: color-mix(in srgb, var(--accent) 20%, rgba(0,0,0,0.4));
  border: 1.5px solid color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--accent);
}
.ai-msg-row.assistant .ai-msg-avatar {
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(255,255,255,0.12);
  color: var(--text-secondary);
}

.ai-msg-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.ai-msg-row.user .ai-msg-body { align-items: flex-end; }

.ai-msg-name {
  font-size: 10px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .08em;
}
.ai-msg-row.user .ai-msg-name { color: color-mix(in srgb, var(--accent) 60%, var(--text-muted)); }

.ai-msg-bubble {
  max-width: min(680px, 88%);
  padding: 12px 16px; border-radius: 16px;
  font-size: 14px; line-height: 1.65;
  color: var(--text-primary);
  word-break: break-word;
  overflow-wrap: break-word;
  overflow: hidden;
  min-width: 0;
}
.ai-msg-row.user .ai-msg-bubble {
  background: color-mix(in srgb, var(--accent) 16%, rgba(0,0,0,0.4));
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-bottom-right-radius: 4px;
  backdrop-filter: blur(12px);
}
.ai-msg-row.assistant .ai-msg-bubble {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-bottom-left-radius: 4px;
  backdrop-filter: blur(12px);
}

.ai-msg-images { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.ai-msg-image {
  width: 130px; height: 98px; object-fit: cover;
  border-radius: 10px; border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer; transition: all var(--transition);
}
.ai-msg-image:hover { transform: scale(1.04); border-color: var(--accent); }

/* Thinking dots */
.ai-thinking-dots { display: inline-flex; gap: 5px; align-items: center; padding: 4px 0; }
.ai-thinking-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-muted);
  animation: ai-bounce 1.3s infinite ease-in-out;
}
.ai-thinking-dots span:nth-child(2) { animation-delay: .18s; }
.ai-thinking-dots span:nth-child(3) { animation-delay: .36s; }
@keyframes ai-bounce {
  0%,80%,100% { transform:scale(0.7) translateY(0); opacity:.4; }
  40%          { transform:scale(1.2) translateY(-6px); opacity:1; }
}

/* Typing indicator */
.ai-typing-indicator {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 4px; color: var(--text-muted);
  font-size: 13px; font-style: italic;
}
.ai-typing-indicator .ai-typing-dots { display: inline-flex; gap: 4px; align-items: center; }
.ai-typing-indicator .ai-typing-dots span {
  width: 5px; height: 5px; border-radius: 50%; background: var(--text-muted);
  animation: typingBounce 1.2s infinite ease-in-out;
}
.ai-typing-indicator .ai-typing-dots span:nth-child(2) { animation-delay: .15s; }
.ai-typing-indicator .ai-typing-dots span:nth-child(3) { animation-delay: .3s; }
@keyframes typingBounce {
  0%,80%,100% { transform:translateY(0); opacity:.4; }
  40%          { transform:translateY(-5px); opacity:1; }
}

/* Screen share dot */
.ai-screen-active-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #ef4444; animation: ai-dot-pulse 1s infinite;
}
@keyframes ai-dot-pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.5)} }

/* ── Input area ── */
.ai-input-area {
  flex-shrink: 0;
  padding: 0 32px 24px;
  background: transparent;
  position: relative; z-index: 2;
}
.ai-input-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 14px 16px 12px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
  transition: border-color var(--transition);
}
.ai-input-card:focus-within {
  border-color: color-mix(in srgb, var(--accent) 40%, rgba(255,255,255,0.1));
}

.ai-attachments-preview { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.ai-attachments-preview:empty { display: none; }
.ai-attachment-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px; padding: 4px 12px 4px 6px;
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  transition: all var(--transition);
}
.ai-attachment-pill img { width: 20px; height: 20px; border-radius: 50%; object-fit: cover; }
.ai-attachment-pill button {
  width: 14px; height: 14px; border-radius: 50%;
  background: rgba(255,255,255,0.1); color: var(--text-muted); font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.ai-attachment-pill button:hover { background: #ef4444; color: white; transform: rotate(90deg); }

.ai-input-bar {
  display: flex; align-items: flex-end; gap: 8px;
  background: transparent; border: none; padding: 0;
}
.ai-input-bar-row { display: contents; }

#ai-input {
  flex: 1; min-height: 36px; max-height: 140px;
  resize: none; background: transparent; border: none; outline: none;
  color: var(--text-primary); font-family: var(--font); font-size: 14px; line-height: 1.6;
  padding: 4px 0;
  order: 2;
}
#ai-input::placeholder { color: var(--text-muted); }

.ai-input-actions {
  display: flex; align-items: center; gap: 4px; flex-shrink: 0;
  order: 3;
}

.ai-icon-btn {
  width: 32px; height: 32px; border-radius: 9px;
  border: 1px solid transparent; background: transparent;
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0; transition: all var(--transition);
}
.ai-icon-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.1); }
.ai-icon-btn:active { transform: scale(0.93); }

.ai-send-btn {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--accent); color: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0; border: none;
  transition: all var(--transition);
  box-shadow: 0 2px 10px color-mix(in srgb, var(--accent) 30%, transparent);
}
.ai-send-btn:hover { transform: scale(1.08); box-shadow: 0 4px 16px color-mix(in srgb, var(--accent) 45%, transparent); }
.ai-send-btn:active { transform: scale(0.94); }
.ai-send-btn:disabled { opacity: .35; cursor: not-allowed; transform: none; }

.ai-input-hint {
  text-align: center; font-size: 11px; color: var(--text-muted);
  margin-top: 8px; opacity: 0.5; letter-spacing: 0.02em;
}

/* ── Markdown rendering ── */
.ai-msg-bubble p.ai-md-p {
  margin: 0 0 10px;
  line-height: 1.7;
}
.ai-msg-bubble p.ai-md-p:last-child { margin-bottom: 0; }

.ai-code-block {
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  margin: 10px 0;
  overflow: hidden;
  font-size: 13px;
  max-width: 100%;
}
.ai-code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 14px 5px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.03);
}
.ai-code-lang {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--text-muted);
}
.ai-code-copy {
  display: flex; align-items: center; gap: 5px;
  background: transparent; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px; padding: 3px 8px;
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  cursor: pointer; transition: all var(--transition);
}
.ai-code-copy:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); border-color: rgba(255,255,255,0.2); }
.ai-code-block pre {
  margin: 0; padding: 14px;
  overflow-x: auto;
  white-space: pre;
  max-width: 100%;
}
.ai-code-block code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px; line-height: 1.6;
  color: #e2e8f0;
  white-space: pre;
}
.ai-code-block pre::-webkit-scrollbar { height: 4px; }
.ai-code-block pre::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

.ai-inline-code {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 5px;
  padding: 1px 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #a5f3fc;
}

.ai-md-h1 { font-size: 20px; font-weight: 800; margin: 12px 0 6px; letter-spacing: -.02em; }
.ai-md-h2 { font-size: 17px; font-weight: 700; margin: 10px 0 5px; }
.ai-md-h3 { font-size: 15px; font-weight: 700; margin: 8px 0 4px; color: var(--text-secondary); }

.ai-md-li {
  display: flex; gap: 8px; align-items: flex-start;
  margin: 4px 0; line-height: 1.6;
}
.ai-md-bullet {
  color: var(--accent); font-size: 16px; line-height: 1.4;
  flex-shrink: 0;
}
.ai-md-num { flex-shrink: 0; color: var(--accent); font-weight: 600; }

.ai-md-hr {
  border: none; border-top: 1px solid rgba(255,255,255,0.1);
  margin: 14px 0;
}

/* Typewriter cursor */
.ai-msg-bubble.typing::after {
  content: '▋';
  display: inline-block;
  color: var(--accent);
  animation: cursorBlink 0.7s step-end infinite;
  margin-left: 2px;
  font-size: 14px;
}
@keyframes cursorBlink { 0%,100%{opacity:1} 50%{opacity:0} }

/* Status dot */
.ai-status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 6px #22c55e;
  transition: all .3s; flex-shrink: 0;
}
.ai-status-dot.thinking { background: #3b82f6; box-shadow: 0 0 8px #3b82f6; animation: ai-dot-pulse 1s infinite; }
.ai-status-dot.error { background: #ef4444; box-shadow: 0 0 8px #ef4444; }

/* Tab tiles */
.ai-tab-tiles { display: inline-flex; gap: 2px; align-items: center; margin-left: 4px; }
.ai-tab-tiles span {
  width: 4px; height: 4px; border-radius: 1px;
  background: var(--accent); opacity: 0;
  animation: ai-tile-anim 1.2s infinite ease-in-out;
}
.ai-tab-tiles span:nth-child(1){animation-delay:0s}
.ai-tab-tiles span:nth-child(2){animation-delay:.15s}
.ai-tab-tiles span:nth-child(3){animation-delay:.3s}
.ai-tab-tiles span:nth-child(4){animation-delay:.45s}
@keyframes ai-tile-anim {
  0%,100%{opacity:0;transform:scale(.6)} 30%{opacity:1;transform:scale(1)} 60%{opacity:.4;transform:scale(.8)}
}

/* ===== AI OVERLAY (Document PiP / floating window) ===== */
.ai-overlay {
  position: fixed; right: 18px; bottom: 18px;
  width: 360px; height: 480px;
  z-index: 999999;
  background: rgba(10,10,10,0.92);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  backdrop-filter: blur(28px) saturate(1.3);
  display: flex; flex-direction: column;
  box-shadow: 0 12px 48px rgba(0,0,0,0.6);
  transition: opacity 0.3s cubic-bezier(0.4,0,0.2,1),
              transform 0.3s cubic-bezier(0.4,0,0.2,1);
  will-change: transform;
}
.ai-overlay.hidden { opacity:0; pointer-events:none; transform:translateY(16px) scale(0.96); }

.ai-overlay-header {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  cursor: move; user-select: none; gap: 10px;
  border-radius: 20px 20px 0 0;
}
.ai-overlay-header-left {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 700; color: var(--text-primary);
}
.ai-overlay-messages {
  flex: 1; overflow-y: auto; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 8px; scroll-behavior: smooth;
}
.ai-overlay-messages::-webkit-scrollbar { width: 4px; }
.ai-overlay-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.ai-overlay-msg {
  font-size: 13px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; padding: 9px 12px;
  line-height: 1.5; color: var(--text-primary);
  animation: slideInOverlay 0.25s ease both; opacity: 0;
}
@keyframes slideInOverlay { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.ai-overlay-msg.user {
  background: color-mix(in srgb, var(--accent) 14%, rgba(0,0,0,0.4));
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}
.ai-overlay-msg strong {
  font-size: 10px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted); display: block; margin-bottom: 3px; font-weight: 800;
}

.ai-overlay-input-row {
  display: grid; grid-template-columns: 1fr auto auto; gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.ai-overlay-input-row input {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 9px 12px; font-size: 13px;
  color: var(--text-primary); font-family: var(--font);
  transition: all var(--transition);
}
.ai-overlay-input-row input:focus {
  border-color: color-mix(in srgb, var(--accent) 50%, rgba(255,255,255,0.1));
  outline: none;
}
.ai-overlay-header .proxy-tool-btn {
  width: 28px; height: 28px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 18px;
  background: transparent; border: none; cursor: pointer;
  transition: all var(--transition);
}
.ai-overlay-header .proxy-tool-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); }
.ai-overlay-input-row .ai-icon-btn { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); }
.ai-overlay-input-row .btn-primary {
  padding: 9px 14px; border-radius: 10px; font-weight: 600;
  background: var(--accent); color: var(--bg-primary);
  transition: all var(--transition);
}
.ai-overlay-input-row .btn-primary:hover { transform: scale(1.04); }

@keyframes fadeIn { from{opacity:0} to{opacity:1} }

/* ── Plan mode blocks ── */
.ai-plan-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 16px;
  margin: 8px 0;
  display: flex; flex-direction: column; gap: 12px;
}
.ai-plan-question {
  font-size: 14px; font-weight: 600; color: var(--text-primary);
  line-height: 1.4;
}
.ai-plan-options {
  display: flex; flex-direction: column; gap: 6px;
}
.ai-plan-option {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px; border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer; transition: all var(--transition);
  text-align: left;
}
.ai-plan-option:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.18);
  transform: translateX(2px);
}
.ai-plan-option.selected {
  background: color-mix(in srgb, var(--accent) 15%, rgba(0,0,0,0.3));
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}
.ai-plan-option-id {
  width: 24px; height: 24px; border-radius: 6px;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; color: var(--accent);
  flex-shrink: 0;
}
.ai-plan-option-body { flex: 1; min-width: 0; }
.ai-plan-option-title { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.ai-plan-option-desc { font-size: 12px; color: var(--text-secondary); margin-top: 2px; line-height: 1.4; }
.ai-plan-custom {
  display: flex; gap: 8px; align-items: center;
  padding-top: 4px; border-top: 1px solid rgba(255,255,255,0.07);
}
.ai-plan-input {
  flex: 1; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; padding: 8px 12px;
  font-size: 13px; color: var(--text-primary);
  font-family: var(--font); outline: none;
  transition: border-color var(--transition);
}
.ai-plan-input:focus { border-color: color-mix(in srgb, var(--accent) 40%, rgba(255,255,255,0.1)); }
.ai-plan-input::placeholder { color: var(--text-muted); }
.ai-plan-send {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent); color: var(--bg-primary);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); flex-shrink: 0;
}
.ai-plan-send:hover { transform: scale(1.08); }

/* ── Input bar dropdowns ── */
.ai-dropdown-wrap {
  position: relative;
  flex-shrink: 0;
}
.ai-dropdown-trigger {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 9px; border-radius: 8px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary); font-size: 12px; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  white-space: nowrap;
}
.ai-dropdown-trigger:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); }
.ai-dropdown-trigger.open {
  background: color-mix(in srgb, var(--accent) 15%, rgba(0,0,0,0.3));
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--text-primary);
}
.ai-dropdown-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  background: rgba(15,15,15,0.97);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  display: none;
  z-index: 100;
  animation: dropUp 0.15s ease;
}
@keyframes dropUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ai-dropdown-menu.open { display: block; }
.ai-dropdown-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 9px 12px;
  background: transparent; border: none;
  color: var(--text-secondary); font-size: 13px; font-weight: 500;
  cursor: pointer; border-radius: 8px; text-align: left;
  transition: all 0.12s ease;
}
.ai-dropdown-item:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.ai-dropdown-item.active {
  background: color-mix(in srgb, var(--accent) 12%, rgba(0,0,0,0.3));
  color: var(--text-primary);
}
.ai-dropdown-desc {
  font-size: 11px; color: var(--text-muted); font-weight: 400;
  margin-left: auto; white-space: nowrap;
}