/* tool-window.css — Unified floating tool window (AI + Notepad tabs) */

/* ===== Window Container ===== */
.tool-window {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 400px;
  height: 560px;
  background: var(--bg);
  border: 0.5px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: 0 8px 40px var(--shadow), 0 2px 12px rgba(0,0,0,0.06);
  z-index: 300;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: opacity 0.25s, transform 0.25s;
}
.tool-window.hidden {
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
}

/* ===== Titlebar (draggable) ===== */
.tool-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 0 0;
  border-bottom: 0.5px solid var(--border);
  flex-shrink: 0;
  background: var(--bg-alt);
  border-radius: 12px 12px 0 0;
  cursor: grab;
  user-select: none;
}
.tool-titlebar:active { cursor: grabbing; }

/* ===== Tabs ===== */
.tool-tabs {
  display: flex;
  flex: 1;
  min-width: 0;
}
.tool-tab {
  padding: 10px 16px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  font-weight: 500;
  transition: color 0.2s, box-shadow 0.2s;
  position: relative;
  white-space: nowrap;
}
.tool-tab:hover { color: var(--ink); }
.tool-tab.active {
  color: var(--vermilion);
  box-shadow: inset 0 -2px 0 var(--vermilion);
}

/* ===== Titlebar Buttons ===== */
.tool-titlebar-btns {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.tool-titlebar-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: var(--muted);
  transition: background 0.15s, color 0.15s;
}
.tool-titlebar-btn:hover {
  background: var(--hover-bg);
  color: var(--vermilion);
}
.tool-titlebar-btn.active { color: var(--vermilion); }
.tool-titlebar-btn svg { width: 14px; height: 14px; }
.tool-close-btn {
  font-size: 18px;
  line-height: 1;
}

/* ===== Panels ===== */
.tool-panel { display: none; flex-direction: column; flex: 1; min-height: 0; }
.tool-panel.active { display: flex; }

/* ===== Shared Toolbar (AI + Notepad) ===== */
.tool-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-bottom: 0.5px solid var(--border);
  flex-shrink: 0;
}
.tool-btn {
  padding: 3px 7px;
  border: 0.5px solid var(--border);
  border-radius: 3px;
  background: none;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: 'Noto Sans SC', system-ui, sans-serif;
}
.tool-btn:hover {
  background: var(--hover-bg);
  color: var(--vermilion);
}
.tool-toolbar-status {
  margin-left: auto;
  font-size: 9px;
  color: var(--ghost);
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

/* ===== AI Config Section ===== */
.ai-form { display: flex; flex-direction: column; gap: 14px; }
.ai-field { display: flex; flex-direction: column; gap: 4px; }
.ai-label {
  font-size: 10px; letter-spacing: 0.1em; color: var(--faint);
  font-family: 'Noto Sans SC', system-ui, sans-serif;
}
.ai-select, .ai-input {
  background: var(--bg-alt); border: 0.5px solid var(--border);
  border-radius: 4px; padding: 8px 10px; color: var(--ink);
  font-size: 12px; font-family: 'Noto Serif SC', serif;
  transition: border-color 0.2s; outline: none;
}
.ai-select:focus, .ai-input:focus { border-color: var(--vermilion); }
.ai-key-row { display: flex; gap: 6px; align-items: center; }
.ai-key-row .ai-input { flex: 1; }
.ai-key-toggle {
  font-size: 9px; color: var(--muted); cursor: pointer;
  padding: 4px 6px; border: 0.5px solid var(--border); border-radius: 3px;
  background: none; transition: color 0.2s; white-space: nowrap;
}
.ai-key-toggle:hover { color: var(--vermilion); }
.ai-actions { display: flex; gap: 8px; }
.ai-btn {
  flex: 1; padding: 8px 0; border: 0.5px solid var(--border); border-radius: 4px;
  background: none; color: var(--ink-light); font-size: 10px; letter-spacing: 0.1em;
  cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s;
  font-family: 'Noto Sans SC', system-ui, sans-serif;
}
.ai-btn:hover { background: var(--hover-bg); border-color: var(--vermilion); color: var(--vermilion); }
.ai-btn.primary { background: var(--vermilion-faint); color: var(--vermilion); border-color: var(--vermilion); }
.ai-btn.primary:hover { background: var(--vermilion); color: #fff; }
.ai-status {
  font-size: 9px; letter-spacing: 0.1em; color: var(--ghost); padding: 0 0 0 4px;
}
.ai-status.configured { color: var(--vermilion); }
.ai-status.saved { color: var(--vermilion); font-weight: 600; }
.ai-config-section {
  border: 0.5px solid var(--border); border-radius: 4px; overflow: hidden;
  margin: 12px; flex-shrink: 0;
}
.ai-config-header {
  display: flex; align-items: center; gap: 6px; padding: 10px 12px;
  cursor: pointer; background: var(--bg-alt); transition: background 0.15s;
  font-size: 10px; color: var(--faint); letter-spacing: 0.08em;
  font-family: 'Noto Sans SC', system-ui, sans-serif;
}
.ai-config-header:hover { background: var(--hover-bg); }
.ai-config-label { flex: 1; }
.ai-config-body { padding: 12px; display: flex; flex-direction: column; gap: 12px; }
.ai-config-body.collapsed { display: none; }

/* ===== Context Bar ===== */
.ai-chat-context {
  display: flex; align-items: center; gap: 6px; padding: 10px 12px;
  border-bottom: 0.5px solid var(--border); flex-shrink: 0; cursor: default;
}
.ai-chat-context label {
  display: flex; align-items: center; gap: 6px; cursor: pointer;
  font-size: 11px; color: var(--ink-light);
  font-family: 'Noto Sans SC', system-ui, sans-serif;
}
.ai-chat-context input[type=checkbox] { accent-color: var(--vermilion); cursor: pointer; }

/* ===== Chat Area ===== */
.ai-chat-area {
  display: flex; flex-direction: column; flex: 1; min-height: 0; padding: 0 12px 12px;
}

/* ===== Messages ===== */
.ai-chat-messages {
  flex: 1; overflow-y: auto; display: flex; flex-direction: column;
  gap: 10px; padding: 12px 0; min-height: 0;
}
.ai-chat-empty {
  color: var(--ghost); font-size: 11px; text-align: center;
  padding: 32px 12px; line-height: 1.6;
  font-family: 'Noto Sans SC', system-ui, sans-serif;
}
.ai-msg {
  padding: 8px 12px; border-radius: 8px; font-size: 12px; line-height: 1.6;
  word-break: break-word; max-width: 90%;
  font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
}
.ai-msg code {
  background: var(--bg-alt); padding: 1px 4px; border-radius: 3px;
  font-size: 11px; font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}
.ai-msg-user {
  align-self: flex-end; background: var(--vermilion-faint);
  color: var(--ink); border-bottom-right-radius: 2px;
}
.ai-msg-assistant {
  align-self: flex-start; background: var(--bg-alt);
  color: var(--ink); border-bottom-left-radius: 2px;
}

/* ===== Input Row ===== */
.ai-chat-input-row {
  display: flex; gap: 6px; flex-shrink: 0; padding-top: 8px;
  border-top: 0.5px solid var(--border);
}
.ai-chat-input {
  flex: 1; resize: none; border: 0.5px solid var(--border);
  border-radius: 6px; padding: 8px 10px; background: var(--bg-alt); color: var(--ink);
  font-size: 12px; line-height: 1.4; outline: none;
  font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
  min-height: 36px; max-height: 80px; transition: border-color 0.2s;
}
.ai-chat-input:focus { border-color: var(--vermilion); }
.ai-chat-input:disabled { opacity: 0.6; }
.ai-chat-send, .ai-chat-stop {
  width: 36px; height: 36px; border-radius: 6px;
  border: 0.5px solid var(--border); background: none; color: var(--muted);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s; flex-shrink: 0;
}
.ai-chat-send svg, .ai-chat-stop svg { width: 16px; height: 16px; }
.ai-chat-send:hover { background: var(--vermilion-faint); color: var(--vermilion); border-color: var(--vermilion); }
.ai-chat-stop { display: none; color: var(--vermilion); border-color: var(--vermilion); }
.ai-chat-stop:hover { background: var(--vermilion-faint); }

/* Action button (clear inline) */
.ai-chat-clear {
  border: none; background: none; color: var(--ghost); cursor: pointer;
  font-size: 9px; letter-spacing: 0.06em; padding: 2px 4px; transition: color 0.15s;
  font-family: 'Noto Sans SC', system-ui, sans-serif;
}
.ai-chat-clear:hover { color: var(--vermilion); }

/* ===== Typing Indicator ===== */
.ai-typing { display: inline-flex; gap: 3px; padding: 4px 0; }
.ai-typing span {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--muted); animation: ai-bounce 1.2s ease-in-out infinite;
}
.ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes ai-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-8px); opacity: 1; }
}

/* ===== System Message ===== */
.ai-system-msg {
  text-align: center; font-size: 11px; color: var(--muted);
  font-style: italic; padding: 6px 12px; white-space: pre-line; line-height: 1.5;
}

/* ===== Slash Command Menu ===== */
.ai-slash-menu {
  position: relative; background: var(--bg);
  border: 0.5px solid var(--border); border-radius: 6px;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.12); overflow: hidden;
  margin-bottom: 4px; flex-shrink: 0;
}
.ai-slash-item {
  display: flex; align-items: center; gap: 10px; padding: 7px 12px;
  cursor: pointer; transition: background 0.12s; font-size: 12px;
}
.ai-slash-item:hover { background: var(--vermilion-faint); }
.ai-slash-cmd {
  font-family: monospace; font-weight: 600; color: var(--ink); min-width: 70px;
}
.ai-slash-desc { color: var(--muted); }

/* ===== Image Preview ===== */
.ai-image-preview { position: relative; padding: 8px 12px; flex-shrink: 0; }
.ai-image-preview img {
  max-height: 80px; max-width: 100%; border-radius: 6px;
  border: 0.5px solid var(--border); object-fit: contain;
}
.ai-image-remove {
  position: absolute; top: 4px; right: 8px; width: 20px; height: 20px;
  border: none; border-radius: 50%; background: var(--ink); color: var(--bg);
  font-size: 13px; cursor: pointer; display: flex; align-items: center; justify-content: center;
  opacity: 0.7; transition: opacity 0.15s;
}
.ai-image-remove:hover { opacity: 1; }
.ai-msg-img {
  max-height: 120px; max-width: 100%; border-radius: 6px; margin-bottom: 6px;
  display: block; object-fit: contain;
}

/* ===== Notepad Panel ===== */
.notepad-body { display: flex; flex: 1; min-height: 0; }
.notepad-lines {
  width: 32px; flex-shrink: 0; padding: 8px 4px;
  background: var(--bg-alt); color: var(--ghost);
  font-size: 11px; line-height: 1.5; text-align: right;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  overflow: hidden; white-space: pre; user-select: none;
  border-right: 0.5px solid var(--border);
}
.notepad-area {
  flex: 1; resize: none; border: none; outline: none; padding: 8px;
  background: var(--bg); color: var(--ink);
  font-size: 11px; line-height: 1.5;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  overflow-y: auto;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .tool-window {
    bottom: 0;
    right: 0;
    width: 100%;
    height: calc(100% - 52px);
    border-radius: 0;
    border: none;
  }
  .tool-titlebar { border-radius: 0; }
}