:root {
  --bg-dark: #0a0e17;
  --bg-panel: #111827;
  --bg-card: #1f2937;
  --border-color: #374151;
  --border-focus: #3b82f6;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent-gold: #f59e0b;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  height: 100vh;
  overflow: hidden;
}

.app-layout {
  display: flex;
  height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: 290px;
  background-color: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.brand-text h2 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-text span {
  font-size: 12px;
  color: var(--text-muted);
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  font-weight: 600;
}

/* 专家列表样式 */
.expert-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.expert-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 7px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.expert-btn:hover {
  background-color: #1e293b;
  border-color: rgba(59, 130, 246, 0.5);
}

.expert-btn.active {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(99, 102, 241, 0.15));
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.25);
}

.expert-avatar {
  font-size: 18px;
  flex-shrink: 0;
}

.expert-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.expert-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.expert-tag {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.stock-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stock-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.stock-btn:hover {
  border-color: var(--accent-blue);
  background-color: #283548;
  transform: translateY(-1px);
}

.stock-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.stock-code {
  font-size: 11px;
  color: var(--accent-gold);
  margin-top: 2px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  background-color: rgba(31, 41, 55, 0.5);
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid rgba(55, 65, 81, 0.4);
}

.feature-list li strong {
  color: var(--text-main);
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s;
}

.primary-btn {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: white;
}

.primary-btn:hover {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.secondary-btn {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.secondary-btn:hover {
  color: var(--text-main);
  background: #283548;
}

/* 主工作区 */
.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: var(--bg-dark);
}

.chat-header {
  height: 56px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background-color: var(--bg-panel);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.status-dot.busy {
  background-color: var(--accent-gold);
  box-shadow: 0 0 8px var(--accent-gold);
  animation: pulse 1s infinite alternate;
}

@keyframes pulse {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

.header-badges {
  display: flex;
  gap: 8px;
}

.badge {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 12px;
  background-color: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.badge.highlight {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border-color: rgba(59, 130, 246, 0.4);
}

/* 消息流区域 */
.messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.welcome-card {
  background: linear-gradient(145deg, #161f30, #111827);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  max-width: 680px;
  margin: 40px auto;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

.welcome-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.welcome-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text-main);
}

.welcome-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.chip {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.chip:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: #1e293b;
}

/* 消息气泡 */
.message-row {
  display: flex;
  gap: 14px;
  max-width: 860px;
  width: 100%;
}

.message-row.user {
  margin-left: auto;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: bold;
  flex-shrink: 0;
}

.message-row.user .message-avatar {
  background: #374151;
  color: #fff;
}

.message-row.assistant .message-avatar {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
}

.message-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.message-bubble {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.65;
}

.message-row.user .message-bubble {
  background-color: #2563eb;
  color: #fff;
  border-top-right-radius: 2px;
}

.message-row.assistant .message-bubble {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-top-left-radius: 2px;
}

/* 当气泡为空时隐藏，消除等待时的空白边框 */
.message-row.assistant .message-bubble:empty {
  display: none;
}

/* 现代深度思考折叠容器 (Deep Thinking Accordion) */
.thinking-container {
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 6px;
  transition: all 0.2s ease;
}

.thinking-header {
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: rgba(30, 41, 59, 0.6);
  user-select: none;
  transition: background 0.2s;
}

.thinking-header:hover {
  background: rgba(30, 41, 59, 0.9);
}

.thinking-meta-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.thinking-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #38bdf8;
  box-shadow: 0 0 8px #38bdf8;
  animation: pulseDot 1.2s infinite alternate;
}

@keyframes pulseDot {
  from { opacity: 0.3; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1.15); }
}

.thinking-pulse-dot.finished {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 6px var(--accent-emerald);
  animation: none;
}

.thinking-label {
  font-size: 12px;
  font-weight: 600;
  color: #93c5fd;
}

.thinking-timer {
  font-size: 11px;
  color: #64748b;
  font-family: monospace;
}

.thinking-meta-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.thinking-skill-tag {
  font-size: 11px;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 2px 8px;
  border-radius: 12px;
  font-family: monospace;
}

.thinking-arrow {
  display: inline-block;
  font-size: 11px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.thinking-container.collapsed .thinking-arrow {
  transform: rotate(-90deg);
}

.thinking-container.collapsed .thinking-content {
  display: none;
}

.thinking-content {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.7;
  color: #cbd5e1;
  border-top: 1px solid rgba(55, 65, 81, 0.5);
  max-height: 280px;
  overflow-y: auto;
  background: rgba(11, 15, 25, 0.6);
}

.thinking-step-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
}

.thinking-step-icon {
  color: var(--accent-blue);
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

.thinking-step-text {
  flex: 1;
  color: #cbd5e1;
}

.tool-card {
  background: #151d2c;
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tool-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-blue);
  font-weight: 600;
}

.tool-status {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
}

.tool-status.running {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-gold);
}

/* 图表容器 */
.chart-box {
  width: 100%;
  height: 320px;
  background: #0d1320;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin: 10px 0;
  padding: 10px;
}

/* 图表数据缺失或 CDN 暂不可用时的紧凑状态提示，避免渲染无内容的大白框。 */
.chart-notice {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 10px 0;
  padding: 10px 14px;
  border: 1px solid rgba(59, 130, 246, 0.28);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.72);
  color: #cbd5e1;
  font-size: 12px;
  line-height: 1.6;
}

.chart-notice strong {
  color: #93c5fd;
}

.chart-notice span {
  color: #94a3b8;
}

.chart-notice.warning {
  border-color: rgba(245, 158, 11, 0.32);
}

.chart-notice.warning strong {
  color: #fbbf24;
}

/* 输入框 */
.input-container {
  padding: 16px 24px;
  background-color: var(--bg-panel);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-wrapper {
  display: flex;
  gap: 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 8px 12px;
  transition: border-color 0.2s;
}

.input-wrapper:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

textarea {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  resize: none;
  line-height: 1.5;
}

.send-btn {
  align-self: flex-end;
  background: var(--accent-blue);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
}

.send-btn:hover {
  background: #2563eb;
}

.send-btn:disabled {
  background: #4b5563;
  cursor: not-allowed;
}

.input-hint {
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
}

/* 设置模态框 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-overlay.hidden {
  display: none;
}

.modal-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 480px;
  max-width: 90vw;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.close-btn {
  background: transparent;
  font-size: 20px;
  color: var(--text-muted);
  padding: 4px;
}

.close-btn:hover {
  color: #fff;
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
}

.form-group input, .form-group select {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: #fff;
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 13px;
  outline: none;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--accent-blue);
}

.form-group small {
  font-size: 11px;
  color: var(--text-muted);
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

/* Skills 技能包与配置管理器样式 */
.skill-manager-card {
  width: 960px;
  height: 82vh;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
}

.skill-manager-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.skill-sidebar {
  width: 280px;
  border-right: 1px solid var(--border-color);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: var(--bg-dark);
}

.skill-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.small-btn {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}

.small-btn:hover {
  background: var(--accent-emerald);
  color: #fff;
}

.skill-item-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.skill-item {
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.skill-item:hover {
  border-color: var(--accent-blue);
  background: #1e293b;
}

.skill-item.active {
  border-color: var(--accent-blue);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(99, 102, 241, 0.2));
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.2);
}

.skill-item-avatar {
  font-size: 18px;
}

.skill-item-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.skill-item-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.skill-item-id {
  font-size: 10px;
  color: #94a3b8;
  font-family: monospace;
}

.skill-editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: #0b0f19;
}

.editor-toolbar {
  height: 48px;
  border-bottom: 1px solid var(--border-color);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #111827;
}

.editor-file-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.file-tag {
  font-family: monospace;
  font-size: 12px;
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.15);
  padding: 4px 8px;
  border-radius: 4px;
}

.save-toast {
  font-size: 11px;
  color: #10b981;
  font-weight: 600;
  animation: fadeIn 0.3s;
}

.code-editor {
  flex: 1;
  width: 100%;
  background-color: #070a11;
  color: #e2e8f0;
  font-family: "SF Mono", Monaco, "Cascadia Code", "Fira Code", monospace;
  font-size: 13px;
  line-height: 1.6;
  padding: 16px;
  border: none;
  outline: none;
  resize: none;
  tab-size: 2;
}

.danger-btn {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
}

.danger-btn:hover {
  background: #ef4444;
  color: #fff;
}