/* ============================================
   Agent 工作室 · 浅色设计系统
   白底深色文字 · 卡片式模式选择
   ============================================ */

/* ========== CSS 变量（浅色主题） ========== */
:root {
  /* 背景色系 — 浅色 */
  --as-bg-page: #F4F6FA;
  --as-bg-surface: #FFFFFF;
  --as-bg-card: #FFFFFF;
  --as-bg-card-hover: #F0F3F8;
  --as-bg-input: #FFFFFF;
  --as-bg-user: rgba(79, 140, 255, 0.06);
  --as-bg-system: #F7F8FC;
  --as-bg-header: rgba(255, 255, 255, 0.9);

  /* 主色 — 天蓝→紫渐变（保留） */
  --as-blue: #4F8CFF;
  --as-blue-light: #6BA0FF;
  --as-blue-deep: #3A6FD8;
  --as-purple: #7C5CFC;
  --as-purple-light: #9B7FFD;
  --as-cyan: #00B8D4;
  --as-cyan-light: #44CFE8;
  --as-green: #22D47B;
  --as-orange: #FF9F43;
  --as-red: #FF5757;

  /* 渐变色 */
  --as-gradient-primary: linear-gradient(135deg, #4F8CFF, #7C5CFC);
  --as-gradient-blue: linear-gradient(135deg, #4F8CFF, #00B8D4);
  --as-gradient-purple: linear-gradient(135deg, #7C5CFC, #9B7FFD);
  --as-gradient-cyan: linear-gradient(135deg, #00B8D4, #44CFE8);
  --as-gradient-zhiduoxing: linear-gradient(135deg, #4F8CFF, #00B8D4, #7C5CFC);

  /* 文字色（浅色背景） */
  --as-text-primary: #1E2330;
  --as-text-secondary: #5A6596;
  --as-text-muted: #9BA3C7;
  --as-text-on-primary: #FFFFFF;

  /* 边框/阴影 */
  --as-border: #E8ECF5;
  --as-border-hover: #D0D6E8;
  --as-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --as-shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
  --as-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
  --as-shadow-blue: 0 4px 16px rgba(79, 140, 255, 0.12);

  /* 圆角 */
  --as-radius-sm: 6px;
  --as-radius-md: 10px;
  --as-radius-lg: 14px;
  --as-radius-xl: 20px;
  --as-radius-full: 9999px;

  /* 字体 */
  --as-font-heading: 'Space Grotesk', system-ui, sans-serif;
  --as-font-body: 'DM Sans', system-ui, sans-serif;
  --as-font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

/* ========== 容器 ========== */
.astudio-page {
  min-height: calc(100vh - 72px);
  background: var(--as-bg-page);
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  font-family: var(--as-font-body);
  color: var(--as-text-primary);
  margin-top: 72px;
}

/* ========== 顶部栏 ========== */
.astudio-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--as-bg-header);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--as-border);
}

.astudio-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.astudio-logo {
  width: 32px;
  height: 32px;
  background: var(--as-gradient-primary);
  border-radius: var(--as-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
  flex-shrink: 0;
}

.astudio-logo svg {
  width: 18px;
  height: 18px;
}

.astudio-title {
  font-family: var(--as-font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--as-text-primary);
  letter-spacing: -0.3px;
}

/* 返回选择按钮 */
.astudio-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--as-border);
  background: var(--as-bg-surface);
  color: var(--as-text-secondary);
  font-family: var(--as-font-body);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--as-radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.astudio-back-btn:hover {
  border-color: var(--as-blue);
  color: var(--as-blue);
  background: rgba(79, 140, 255, 0.04);
  box-shadow: var(--as-shadow-sm);
}

.astudio-back-btn svg {
  width: 14px;
  height: 14px;
}

/* ========== 模型配置按钮 ========== */
.astudio-model-config-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--as-border);
  background: var(--as-bg-surface);
  color: var(--as-text-secondary);
  font-family: var(--as-font-body);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--as-radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.astudio-model-config-btn:hover {
  border-color: var(--as-blue);
  color: var(--as-blue);
  box-shadow: var(--as-shadow-sm);
}

.astudio-model-config-btn.configured {
  border-color: var(--as-green);
  color: var(--as-green);
  background: rgba(34, 212, 123, 0.04);
}

.astudio-model-config-btn.configured::after {
  content: '●';
  color: var(--as-green);
  font-size: 8px;
  margin-left: 2px;
}

.astudio-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 模型来源选择药丸 */
.astudio-source-pill {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--as-bg-page);
  border-radius: 18px;
  padding: 2px;
  border: 1px solid var(--as-border);
}
.asp-btn {
  padding: 4px 10px;
  border: none;
  border-radius: 16px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  background: transparent;
  color: var(--as-text-muted);
  white-space: nowrap;
}
.asp-btn.active {
  background: #6366F1;
  color: #fff;
}
.asp-btn:hover:not(.active) {
  background: rgba(99,102,241,0.06);
}

/* ========== 左侧工作区侧边栏 ========== */
.astudio-sidebar {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  background: var(--as-bg-surface);
  border-right: 1px solid var(--as-border);
  padding-top: 4px;
}

/* 用户信息区 */
.astudio-sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--as-border);
  margin-bottom: 4px;
}

.astudio-sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--as-gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.astudio-sidebar-info {
  flex: 1;
  min-width: 0;
}

.astudio-sidebar-nickname {
  font-size: 14px;
  font-weight: 600;
  color: var(--as-text-primary);
  line-height: 1.3;
}

.astudio-sidebar-role {
  font-size: 11px;
  color: var(--as-text-muted);
  line-height: 1.3;
  margin-top: 1px;
}

.astudio-sidebar-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--as-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 16px 16px 10px;
}

.astudio-sidebar-modes {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}

.astudio-sidebar-mode {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--as-radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.astudio-sidebar-mode:hover {
  background: var(--as-bg-page);
}

.astudio-sidebar-mode.active {
  background: rgba(79, 140, 255, 0.08);
}

.astudio-sidebar-mode.active[data-mode="smart-team"] {
  background: rgba(79, 140, 255, 0.08);
}

.astudio-sidebar-mode.active[data-mode="team-collab"] {
  background: rgba(124, 92, 252, 0.08);
}

.astudio-sidebar-mode.active[data-mode="zhiduoxing"] {
  background: rgba(0, 184, 212, 0.08);
}

.astudio-sidebar-mode-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--as-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  background: var(--as-bg-page);
}

.astudio-sidebar-mode.active .astudio-sidebar-mode-icon {
  background: white;
  box-shadow: var(--as-shadow-sm);
}

.astudio-sidebar-mode-text {
  flex: 1;
  min-width: 0;
}

.astudio-sidebar-mode-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--as-text-primary);
  line-height: 1.3;
}

.astudio-sidebar-mode-desc {
  font-size: 11px;
  color: var(--as-text-muted);
  line-height: 1.3;
  margin-top: 1px;
}

/* ========== 社区精选 ========== */
.astudio-sidebar-divider {
  height: 1px;
  background: var(--as-border);
  margin: 8px 12px;
}

.astudio-community-badge {
  font-size: 10px;
  color: var(--as-blue);
  cursor: pointer;
  padding: 2px 8px;
  border: 1px solid rgba(79, 140, 255, 0.2);
  border-radius: var(--as-radius-full);
  transition: all 0.2s;
}

.astudio-community-badge:hover {
  background: rgba(79, 140, 255, 0.06);
  border-color: var(--as-blue);
}

.astudio-community-list {
  padding: 0 8px;
  margin-top: 4px;
}

.astudio-community-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: var(--as-radius-sm);
  font-size: 12px;
  color: var(--as-text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.astudio-community-item:hover {
  background: var(--as-bg-page);
  color: var(--as-text-primary);
}

/* ========== 模型配置弹窗 ========== */
.astudio-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.astudio-modal {
  background: var(--as-bg-surface);
  border-radius: var(--as-radius-xl);
  width: 440px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  animation: as-modal-in 0.25s ease-out;
}

@keyframes as-modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.astudio-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--as-border);
}

.astudio-modal-header h3 {
  font-family: var(--as-font-heading);
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: var(--as-text-primary);
}

.astudio-modal-close {
  width: 28px;
  height: 28px;
  border: none;
  background: var(--as-bg-page);
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  color: var(--as-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.astudio-modal-close:hover {
  background: var(--as-border);
  color: var(--as-text-primary);
}

.astudio-modal-body {
  padding: 20px 24px;
}

.astudio-mc-field {
  margin-bottom: 14px;
}

.astudio-mc-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--as-text-primary);
  margin-bottom: 6px;
}

.astudio-mc-input {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--as-border);
  border-radius: var(--as-radius-md);
  background: var(--as-bg-input);
  color: var(--as-text-primary);
  font-family: var(--as-font-body);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.astudio-mc-input:focus {
  border-color: var(--as-blue);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.08);
}

.astudio-mc-input::placeholder {
  color: var(--as-text-muted);
}

.astudio-mc-status {
  padding: 8px 12px;
  border-radius: var(--as-radius-sm);
  font-size: 13px;
  margin-top: 8px;
}

.astudio-mc-status.success {
  background: rgba(34, 212, 123, 0.08);
  color: var(--as-green);
  border: 1px solid rgba(34, 212, 123, 0.15);
}

.astudio-mc-status.error {
  background: rgba(255, 87, 87, 0.08);
  color: var(--as-red);
  border: 1px solid rgba(255, 87, 87, 0.15);
}

.astudio-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--as-border);
}

.astudio-mc-btn {
  padding: 8px 20px;
  border-radius: var(--as-radius-md);
  font-family: var(--as-font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.astudio-mc-btn-primary {
  background: var(--as-gradient-primary);
  color: white;
}

.astudio-mc-btn-primary:hover {
  box-shadow: var(--as-shadow-blue);
  transform: translateY(-1px);
}

.astudio-mc-btn-secondary {
  background: var(--as-bg-page);
  color: var(--as-text-secondary);
  border: 1px solid var(--as-border);
}

.astudio-mc-btn-secondary:hover {
  border-color: var(--as-border-hover);
  background: var(--as-bg-card-hover);
}

/* ========== 消息内的操作按钮 ========== */
.astudio-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--as-radius-md);
  font-family: var(--as-font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.astudio-action-confirm {
  background: linear-gradient(135deg, #22D47B, #1AB86A);
  color: white;
  box-shadow: 0 2px 8px rgba(34, 212, 123, 0.25);
}

.astudio-action-confirm:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(34, 212, 123, 0.35);
}

.astudio-action-revise {
  background: transparent;
  color: var(--as-blue);
  border: 1.5px solid var(--as-blue);
}

.astudio-action-revise:hover {
  background: rgba(79, 140, 255, 0.06);
  transform: translateY(-1px);
}

/* ========== 主内容区 ========== */
.astudio-main {
  position: relative;
  z-index: 1;
  display: flex;
  height: calc(100vh - 72px - 58px);
  min-height: 500px;
}

/* ========== 模式选择区（初始态） ========== */
.astudio-mode-selector {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  gap: 24px;
}

.astudio-selector-title {
  text-align: center;
  margin-bottom: 8px;
}

.astudio-selector-title h2 {
  font-family: var(--as-font-heading);
  font-size: 24px;
  font-weight: 600;
  color: var(--as-text-primary);
  margin: 0 0 8px;
}

.astudio-selector-title p {
  font-size: 15px;
  color: var(--as-text-secondary);
  margin: 0;
  line-height: 1.6;
}

.astudio-selector-cards {
  display: flex;
  gap: 20px;
  max-width: 860px;
  width: 100%;
}

.astudio-mode-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px;
  background: var(--as-bg-card);
  border: 1.5px solid var(--as-border);
  border-radius: var(--as-radius-xl);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  animation: as-card-in 0.5s ease-out;
  animation-fill-mode: both;
}

.astudio-mode-card:nth-child(1) { animation-delay: 0.05s; }
.astudio-mode-card:nth-child(2) { animation-delay: 0.15s; }
.astudio-mode-card:nth-child(3) { animation-delay: 0.25s; }

@keyframes as-card-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.astudio-mode-card:hover {
  border-color: var(--as-blue);
  box-shadow: var(--as-shadow-md);
  transform: translateY(-4px);
}

.astudio-mode-card:active {
  transform: translateY(-1px);
}

.astudio-mode-card[data-mode="smart-team"]:hover {
  border-color: var(--as-blue);
  box-shadow: 0 8px 24px rgba(79, 140, 255, 0.12);
}

.astudio-mode-card[data-mode="team-collab"]:hover {
  border-color: var(--as-purple);
  box-shadow: 0 8px 24px rgba(124, 92, 252, 0.12);
}

.astudio-mode-card[data-mode="zhiduoxing"]:hover {
  border-color: var(--as-cyan);
  box-shadow: 0 8px 24px rgba(0, 184, 212, 0.12);
}

.astudio-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.astudio-mode-card[data-mode="smart-team"] .astudio-card-icon {
  background: rgba(79, 140, 255, 0.10);
}

.astudio-mode-card[data-mode="team-collab"] .astudio-card-icon {
  background: rgba(124, 92, 252, 0.10);
}

.astudio-mode-card[data-mode="zhiduoxing"] .astudio-card-icon {
  background: rgba(0, 184, 212, 0.10);
}

.astudio-card-title {
  font-family: var(--as-font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--as-text-primary);
  margin-bottom: 6px;
}

.astudio-card-desc {
  font-size: 13px;
  color: var(--as-text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  max-width: 220px;
}

.astudio-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.astudio-card-tag {
  padding: 3px 10px;
  background: var(--as-bg-page);
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-full);
  font-size: 11px;
  color: var(--as-text-muted);
  font-weight: 500;
}

/* ========== 左栏：对话区（chat phase） ========== */
.astudio-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--as-border);
  background: var(--as-bg-surface);
  position: relative;
  min-width: 0;
}

.astudio-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
}

.astudio-chat-messages::-webkit-scrollbar {
  width: 4px;
}

.astudio-chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.astudio-chat-messages::-webkit-scrollbar-thumb {
  background: var(--as-border);
  border-radius: 2px;
}

/* 欢迎消息（默认状态） */
.astudio-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  text-align: center;
  padding: 32px 24px;
  animation: as-fade-in-up 0.5s ease-out;
}

.astudio-welcome-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--as-gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 16px;
  box-shadow: var(--as-shadow-blue);
  animation: as-glow-pulse 3s ease-in-out infinite;
}

.astudio-welcome h2 {
  font-family: var(--as-font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--as-text-primary);
  margin: 0 0 6px;
}

.astudio-welcome p {
  color: var(--as-text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 20px;
  max-width: 440px;
}

/* 预设示例标签 */
.astudio-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 480px;
}

.astudio-preset-tag {
  padding: 6px 16px;
  background: var(--as-bg-page);
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-full);
  color: var(--as-text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.astudio-preset-tag:hover {
  background: rgba(79, 140, 255, 0.06);
  border-color: var(--as-blue);
  color: var(--as-blue);
  transform: translateY(-1px);
}

/* 对话气泡 */
.astudio-msg {
  display: flex;
  gap: 10px;
  max-width: 85%;
  animation: as-msg-in 0.35s ease-out;
  opacity: 0;
  animation-fill-mode: forwards;
}

@keyframes as-msg-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.astudio-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.astudio-msg.system {
  align-self: flex-start;
}

.astudio-msg-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
}

.astudio-msg.system .astudio-msg-avatar {
  background: var(--as-gradient-primary);
  color: white;
}

.astudio-msg.user .astudio-msg-avatar {
  background: var(--as-gradient-blue);
  color: white;
}

.astudio-msg-bubble {
  padding: 10px 16px;
  font-size: 14px;
  line-height: 1.6;
  position: relative;
}

.astudio-msg.system .astudio-msg-bubble {
  background: var(--as-bg-system);
  border: 1px solid var(--as-border);
  border-radius: 4px 14px 14px 14px;
  color: var(--as-text-primary);
}

.astudio-msg.user .astudio-msg-bubble {
  background: var(--as-bg-user);
  border: 1px solid rgba(79, 140, 255, 0.10);
  border-radius: 14px 4px 14px 14px;
  color: var(--as-text-primary);
}

.astudio-msg-time {
  font-size: 11px;
  color: var(--as-text-muted);
  margin-top: 4px;
  opacity: 0.7;
}

/* 打字机效果光标 */
.astudio-typing-text::after {
  content: '|';
  animation: as-blink 0.8s step-end infinite;
  color: var(--as-blue);
  font-weight: 600;
}

@keyframes as-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* AI思考指示器 */
.astudio-thinking {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}

.astudio-thinking span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--as-blue);
  animation: as-dot-bounce 1.4s ease-in-out infinite;
}

.astudio-thinking span:nth-child(2) { animation-delay: 0.2s; }
.astudio-thinking span:nth-child(3) { animation-delay: 0.4s; }

@keyframes as-dot-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ========== 输入框 ========== */
.astudio-input-area {
  padding: 14px 20px 18px;
  border-top: 1px solid var(--as-border);
  background: var(--as-bg-surface);
}

.astudio-input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.astudio-input {
  flex: 1;
  padding: 11px 16px;
  background: var(--as-bg-input);
  border: 1.5px solid var(--as-border);
  border-radius: var(--as-radius-md);
  color: var(--as-text-primary);
  font-family: var(--as-font-body);
  font-size: 14px;
  line-height: 1.5;
  resize: none;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 42px;
  max-height: 120px;
}

.astudio-input:focus {
  border-color: var(--as-blue);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.08);
}

.astudio-input::placeholder {
  color: var(--as-text-muted);
}

/* 发送按钮 */
.astudio-send-btn {
  width: 42px;
  height: 42px;
  border: none;
  border-radius: var(--as-radius-md);
  background: var(--as-gradient-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.astudio-send-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--as-shadow-blue);
}

.astudio-send-btn:active {
  transform: translateY(0);
}

.astudio-send-btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

/* 发送按钮涟漪 */
.astudio-send-btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: as-ripple 0.6s ease-out;
  pointer-events: none;
}

@keyframes as-ripple {
  to { transform: scale(4); opacity: 0; }
}

.astudio-send-btn svg {
  width: 18px;
  height: 18px;
}

/* ========== 右栏：任务面板 ========== */
.astudio-panel {
  flex: 0 0 380px;
  display: flex;
  flex-direction: column;
  background: var(--as-bg-surface);
  overflow: hidden;
}

/* 面板Tabs */
.astudio-panel-tabs {
  display: flex;
  border-bottom: 1px solid var(--as-border);
  padding: 0 20px;
  background: var(--as-bg-header);
}

.astudio-panel-tab {
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: var(--as-text-muted);
  font-family: var(--as-font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.astudio-panel-tab:hover {
  color: var(--as-text-secondary);
}

.astudio-panel-tab.active {
  color: var(--as-text-primary);
}

.astudio-panel-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  background: var(--as-gradient-primary);
  border-radius: 1px;
  animation: as-tab-in 0.3s ease-out;
}

@keyframes as-tab-in {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.astudio-panel-tab svg {
  width: 14px;
  height: 14px;
}

.astudio-panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.astudio-panel-content::-webkit-scrollbar {
  width: 3px;
}

.astudio-panel-content::-webkit-scrollbar-thumb {
  background: var(--as-border);
  border-radius: 2px;
}

/* ========== 进度面板 ========== */
.astudio-progress-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  text-align: center;
  color: var(--as-text-muted);
  padding: 40px 20px;
}

.astudio-progress-empty-icon {
  font-size: 36px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.astudio-progress-empty p {
  font-size: 14px;
  line-height: 1.6;
  max-width: 280px;
}

.astudio-task-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.astudio-task-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--as-bg-page);
  border-radius: var(--as-radius-md);
  border: 1px solid var(--as-border);
  transition: all 0.25s ease;
  animation: as-task-in 0.4s ease-out;
  animation-fill-mode: both;
}

@keyframes as-task-in {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

.astudio-task-item:hover {
  border-color: var(--as-border-hover);
  background: var(--as-bg-card-hover);
}

/* 任务状态指示器 */
.astudio-task-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.astudio-task-status.completed {
  background: var(--as-green);
  box-shadow: 0 0 8px rgba(34, 212, 123, 0.3);
}

.astudio-task-status.running {
  background: var(--as-blue);
  box-shadow: 0 0 8px rgba(79, 140, 255, 0.3);
  animation: as-pulse-dot 1.2s ease-in-out infinite;
}

@keyframes as-pulse-dot {
  0%, 100% { box-shadow: 0 0 6px rgba(79, 140, 255, 0.2); }
  50% { box-shadow: 0 0 14px rgba(79, 140, 255, 0.5); }
}

.astudio-task-status.pending {
  background: var(--as-text-muted);
  opacity: 0.4;
}

.astudio-task-info {
  flex: 1;
  min-width: 0;
}

.astudio-task-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--as-text-primary);
  margin-bottom: 2px;
}

.astudio-task-meta {
  font-size: 11px;
  color: var(--as-text-muted);
}

.astudio-task-progress {
  width: 80px;
  flex-shrink: 0;
}

.astudio-task-bar {
  height: 4px;
  background: var(--as-border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 2px;
}

.astudio-task-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.astudio-task-bar-fill.completed {
  background: var(--as-green);
}

.astudio-task-bar-fill.running {
  background: var(--as-gradient-blue);
  animation: as-bar-flow 1.5s ease-in-out infinite;
  background-size: 200% 100%;
}

@keyframes as-bar-flow {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}

.astudio-task-percent {
  font-size: 11px;
  color: var(--as-text-muted);
  font-family: var(--as-font-mono);
}

/* 团队组（进度Tab内嵌） */
.astudio-team-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--as-border);
}

.astudio-team-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--as-bg-page);
  border-radius: var(--as-radius-md);
  border: 1px solid var(--as-border);
  flex: 1;
  min-width: 150px;
  transition: all 0.2s;
  cursor: default;
  animation: as-team-in 0.5s ease-out;
  animation-fill-mode: both;
}

.astudio-team-card:hover {
  background: var(--as-bg-card-hover);
  border-color: var(--as-border-hover);
  transform: translateY(-1px);
}

@keyframes as-team-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.astudio-team-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.astudio-team-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--as-text-primary);
}

.astudio-team-status {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-left: auto;
  flex-shrink: 0;
}

.astudio-team-status.online { background: var(--as-green); box-shadow: 0 0 6px rgba(34, 212, 123, 0.3); }
.astudio-team-status.busy { background: var(--as-blue); box-shadow: 0 0 6px rgba(79, 140, 255, 0.3); animation: as-pulse-dot 1.2s ease-in-out infinite; }
.astudio-team-status.idle { background: var(--as-text-muted); opacity: 0.3; }

/* ========== 团队面板（Tab） ========== */
.astudio-team-list-full {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.astudio-team-member {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--as-bg-page);
  border-radius: var(--as-radius-md);
  border: 1px solid var(--as-border);
  transition: all 0.2s;
}

.astudio-team-member:hover {
  background: var(--as-bg-card-hover);
  border-color: var(--as-border-hover);
}

.astudio-team-member-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.astudio-team-member-info {
  flex: 1;
}

.astudio-team-member-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--as-text-primary);
}

.astudio-team-member-role {
  font-size: 12px;
  color: var(--as-text-muted);
}

.astudio-team-member-status {
  font-size: 12px;
  color: var(--as-text-muted);
  padding: 4px 10px;
  background: var(--as-bg-page);
  border-radius: var(--as-radius-full);
}

.astudio-team-member-status.completed {
  background: rgba(34, 212, 123, 0.08);
  color: var(--as-green);
}

.astudio-team-member-status.running {
  background: rgba(79, 140, 255, 0.08);
  color: var(--as-blue);
}

/* ========== 交付面板 — 专业文档卡片格式 ========== */
.ad-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.ad-header-left { display: flex; align-items: center; gap: 8px; }
.ad-header-title { font-size: 13px; font-weight: 600; color: var(--as-text-primary); }
.ad-header-count { font-size: 11px; color: var(--as-text-muted); background: var(--as-bg-page); padding: 2px 8px; border-radius: 10px; }
.ad-header-right { display: flex; align-items: center; gap: 10px; }
.ad-header-total { font-size: 10px; color: var(--as-text-muted); }
.ad-batch-dl {
  padding: 6px 14px;
  background: linear-gradient(135deg, #6366F1, #4F8CFF);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s;
}
.ad-batch-dl:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(99,102,241,.3); }

/* 交付卡片 */
.ad-card {
  background: var(--as-bg-page);
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  overflow: hidden;
  transition: all .25s ease;
  animation: as-delivery-in .5s ease-out;
  animation-fill-mode: both;
}
.ad-card:hover { border-color: var(--as-border-hover); box-shadow: var(--as-shadow-sm); }
.ad-card.expanded { border-color: var(--as-blue); box-shadow: 0 0 0 1px rgba(99,102,241,.15); }

.ad-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  transition: background .2s;
}
.ad-card-header:hover { background: rgba(255,255,255,.03); }

.ad-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.ad-card-icon.doc { background: rgba(79,140,255,.1); color: var(--as-blue); }
.ad-card-icon.data { background: rgba(34,212,123,.1); color: var(--as-green); }

.ad-card-info { flex: 1; min-width: 0; }
.ad-card-title { font-size: 13px; font-weight: 600; color: var(--as-text-primary); }
.ad-card-meta { display: flex; align-items: center; gap: 8px; margin-top: 3px; flex-wrap: wrap; }
.ad-card-agent { font-size: 10px; color: var(--as-text-muted); background: var(--as-bg-card-hover); padding: 1px 6px; border-radius: 4px; font-family: monospace; }
.ad-card-chars { font-size: 10px; color: var(--as-text-muted); }
.ad-card-status { font-size: 10px; color: #10B981; }

.ad-card-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.ad-card-dl-badge {
  font-size: 10px;
  color: var(--as-text-muted);
  background: var(--as-bg-card-hover);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: monospace;
}
.ad-card-expand {
  font-size: 10px;
  color: var(--as-text-muted);
  transition: transform .25s;
  width: 16px;
  text-align: center;
}

/* 卡片展开内容 */
.ad-card-body { display: none; border-top: 1px solid var(--as-border); }
.ad-card-content {
  padding: 16px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--as-text-primary);
  max-height: 500px;
  overflow-y: auto;
  background: var(--as-bg-surface);
}

/* Markdown渲染样式 */
.ad-card-content.markdown-body h2 { font-size: 16px; font-weight: 700; margin: 16px 0 8px; color: var(--as-text-primary); }
.ad-card-content.markdown-body h3 { font-size: 14px; font-weight: 700; margin: 14px 0 6px; color: var(--as-text-primary); }
.ad-card-content.markdown-body h4 { font-size: 13px; font-weight: 600; margin: 12px 0 4px; color: var(--as-text-secondary); }
.ad-card-content.markdown-body p { margin: 6px 0; }
.ad-card-content.markdown-body strong { font-weight: 700; color: var(--as-text-primary); }
.ad-card-content.markdown-body ul { margin: 4px 0; padding-left: 20px; }
.ad-card-content.markdown-body li { margin: 2px 0; }
.ad-card-content.markdown-body code {
  background: rgba(99,102,241,.08);
  color: #818CF8;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 11.5px;
  font-family: 'SF Mono','Fira Code',monospace;
}
.ad-card-content.markdown-body pre {
  background: rgba(0,0,0,.15);
  padding: 12px 14px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 8px 0;
}
.ad-card-content.markdown-body pre code {
  background: transparent;
  padding: 0;
  color: var(--as-text-secondary);
  font-size: 11px;
}
.ad-card-content.markdown-body hr { border: none; border-top: 1px solid var(--as-border); margin: 12px 0; }

/* 工具栏 */
.ad-card-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--as-border);
  background: var(--as-bg-page);
  flex-wrap: wrap;
}
.ad-toolbar-btn {
  padding: 6px 12px;
  border: 1px solid var(--as-border);
  background: var(--as-bg-surface);
  color: var(--as-text-secondary);
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.ad-toolbar-btn:hover { border-color: var(--as-blue); color: var(--as-blue); background: rgba(79,140,255,.05); }
.ad-toolbar-btn.primary {
  background: linear-gradient(135deg,#6366F1,#4F8CFF);
  color: #fff;
  border-color: transparent;
}
.ad-toolbar-btn.primary:hover {
  box-shadow: 0 2px 8px rgba(99,102,241,.3);
  transform: translateY(-1px);
}
.ad-toolbar-info {
  font-size: 10px;
  color: var(--as-text-muted);
  margin-left: auto;
}
.astudio-delivery-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  text-align: center;
  color: var(--as-text-muted);
  padding: 40px 20px;
}

.astudio-delivery-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@keyframes as-delivery-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== AI生成提示 ========== */
.astudio-ai-notice {
  text-align: center;
  font-size: 10px;
  color: var(--as-text-muted);
  padding: 4px 16px 6px;
  background: var(--as-bg-surface);
  opacity: 0.6;
  line-height: 1.6;
}

/* ========== 版本标签 ========== */
.astudio-version-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--as-text-muted);
  background: rgba(99,102,241,.1);
  padding: 2px 10px;
  border-radius: 10px;
  white-space: nowrap;
  font-family: monospace;
}

/* ========== 编辑按钮 ========== */
.ad-toolbar-btn.edit {
  border-color: rgba(99,102,241,.2);
}
.ad-toolbar-btn.edit:hover {
  border-color: #818CF8;
  color: #818CF8;
  background: rgba(99,102,241,.08);
}

/* ========== 技术详情（面板底部） ========== */
.astudio-details-toggle {
  border-top: 1px solid var(--as-border);
  background: var(--as-bg-header);
}

.astudio-details-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  background: transparent;
  color: var(--as-text-muted);
  font-family: var(--as-font-body);
  font-size: 12px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: color 0.2s;
}

.astudio-details-header:hover {
  color: var(--as-text-secondary);
}

.astudio-details-header .arrow {
  transition: transform 0.2s;
}

.astudio-details-header.open .arrow {
  transform: rotate(90deg);
}

.astudio-details-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.astudio-details-body.open {
  max-height: 300px;
  padding: 0 20px 16px;
}

.astudio-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.astudio-detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.astudio-detail-label {
  font-size: 11px;
  color: var(--as-text-muted);
  font-family: var(--as-font-mono);
}

.astudio-detail-value {
  font-size: 13px;
  color: var(--as-text-secondary);
  font-family: var(--as-font-mono);
}

.astudio-detail-links {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--as-border);
}

.astudio-detail-link {
  font-size: 12px;
  color: var(--as-blue);
  text-decoration: none;
  transition: color 0.2s;
}

.astudio-detail-link:hover {
  color: var(--as-blue-light);
  text-decoration: underline;
}

/* ========== 模式专属样式 ========== */
/* --- 智组工坊 --- */
.astudio-smart-team .astudio-welcome-icon {
  background: var(--as-gradient-blue);
  box-shadow: var(--as-shadow-blue);
}

/* --- 团队协作 --- */
.astudio-chain-preview {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
}

.astudio-chain-full {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.astudio-chain-full + .astudio-start-chain {
  margin-top: 16px;
}

.astudio-chain-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--as-bg-page);
  border-radius: var(--as-radius-sm);
  border: 1px solid var(--as-border);
  font-size: 13px;
  transition: all 0.2s;
}

.astudio-chain-row:hover {
  border-color: var(--as-purple-light);
}

.astudio-chain-arrow {
  color: var(--as-purple);
  font-size: 12px;
  flex-shrink: 0;
}

.astudio-chain-id {
  color: var(--as-text-muted);
  font-family: var(--as-font-mono);
  font-size: 11px;
  width: 32px;
  flex-shrink: 0;
}

.astudio-chain-name {
  flex: 1;
  color: var(--as-text-primary);
}

.astudio-chain-status {
  padding: 2px 8px;
  border-radius: var(--as-radius-full);
  font-size: 11px;
  font-family: var(--as-font-mono);
}

.astudio-chain-status.done { background: rgba(34, 212, 123, 0.08); color: var(--as-green); }
.astudio-chain-status.active { background: rgba(124, 92, 252, 0.08); color: var(--as-purple); animation: as-pulse-dot 1.5s ease-in-out infinite; }
.astudio-chain-status.wait { color: var(--as-text-muted); opacity: 0.4; }

/* 开始链式协作按钮 */
.astudio-start-chain {
  padding: 12px 24px;
  border: none;
  border-radius: var(--as-radius-md);
  background: var(--as-gradient-purple);
  color: white;
  font-family: var(--as-font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.astudio-start-chain:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(124, 92, 252, 0.25);
}

.astudio-start-chain:active {
  transform: translateY(0);
}

/* --- 智多星 --- */
.astudio-zhiduoxing .astudio-welcome-icon {
  background: var(--as-gradient-cyan);
  box-shadow: 0 0 24px rgba(0, 184, 212, 0.15);
}

/* Canvas思维容器 */
.astudio-thought-canvas-wrap {
  width: 100%;
  height: 280px;
  border-radius: var(--as-radius-lg);
  overflow: hidden;
  position: relative;
  margin: 12px 0;
  background: var(--as-bg-page);
}

.astudio-thought-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* 思维链标题 */
.astudio-thought-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--as-cyan);
  font-weight: 500;
  margin-bottom: 8px;
}

.astudio-thought-title::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--as-cyan);
  box-shadow: 0 0 10px rgba(0, 184, 212, 0.4);
  animation: as-pulse-dot 1.5s ease-in-out infinite;
}

/* 智多星思考文本区域 */
.astudio-thought-text {
  padding: 4px 0;
}

.astudio-thought-text .astudio-typing-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--as-text-secondary);
}

/* 智多星方案结果 */
.astudio-zhiduoxing-result {
  margin-top: 12px;
  animation: as-fade-in-up 0.5s ease-out;
}

.astudio-zhiduoxing-result h3 {
  font-family: var(--as-font-heading);
  font-size: 16px;
  color: var(--as-cyan);
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.astudio-solution-section {
  padding: 12px 16px;
  background: var(--as-bg-page);
  border: 1px solid var(--as-border);
  border-left: 3px solid var(--as-cyan);
  border-radius: var(--as-radius-md);
  margin-bottom: 8px;
  transition: all 0.2s;
}

.astudio-solution-section:hover {
  border-color: var(--as-border-hover);
  background: var(--as-bg-card-hover);
}

.astudio-solution-section h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--as-cyan);
  margin: 0 0 6px;
}

.astudio-solution-section p {
  font-size: 13px;
  color: var(--as-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* 智多星链上Agent组 */
.astudio-zhiduoxing-team {
  display: flex;
  gap: 12px;
  margin: 12px 0;
  flex-wrap: wrap;
}

.astudio-zxd-team-member {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(0, 184, 212, 0.04);
  border: 1px solid rgba(0, 184, 212, 0.10);
  border-radius: var(--as-radius-full);
  font-size: 12px;
  color: var(--as-text-secondary);
  animation: as-team-in 0.4s ease-out;
  animation-fill-mode: both;
}

/* ========== 描述模式介绍 ========== */
.astudio-mode-desc {
  text-align: center;
  max-width: 420px;
  padding: 16px 0;
}

.astudio-mode-desc h3 {
  font-family: var(--as-font-heading);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--as-text-primary);
}

.astudio-mode-desc p {
  font-size: 13px;
  color: var(--as-text-secondary);
  line-height: 1.7;
  margin: 0;
}

.astudio-mode-diff {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 12px 0;
  padding: 0;
  list-style: none;
}

.astudio-mode-diff li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--as-text-secondary);
  line-height: 1.5;
}

.astudio-mode-diff li .label {
  font-weight: 500;
  color: var(--as-text-primary);
  white-space: nowrap;
}

/* 当前模式指示头 */
.astudio-active-mode-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--as-border);
  background: var(--as-bg-header);
}

.astudio-active-mode-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--as-radius-full);
  font-size: 12px;
  font-weight: 500;
}

.astudio-active-mode-tag.smart-team {
  background: rgba(79, 140, 255, 0.08);
  color: var(--as-blue);
}

.astudio-active-mode-tag.team-collab {
  background: rgba(124, 92, 252, 0.08);
  color: var(--as-purple);
}

.astudio-active-mode-tag.zhiduoxing {
  background: rgba(0, 184, 212, 0.08);
  color: var(--as-cyan);
}

.astudio-active-mode-tag.agent-chat {
  background: rgba(79, 140, 255, 0.08);
  color: var(--as-blue);
}

/* ========== 模式页面态 ========== */
.astudio-mode-content {
  display: none;
  flex: 1;
}

.astudio-mode-content.active {
  display: flex;
  flex-direction: column;
}

/* ========== 通用动画 ========== */
@keyframes as-fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes as-glow-pulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(79, 140, 255, 0.10); }
  50% { box-shadow: 0 4px 28px rgba(79, 140, 255, 0.20); }
}

/* ========== 移动端侧栏遮罩 ========== */
.astudio-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(0,0,0,0.3);
}
.astudio-sidebar-overlay.show {
  display: block;
}

/* ========== 登录弹窗 ========== */
.astudio-login-overlay {
  position: fixed;
  inset: 0;
  z-index: 1001;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.astudio-login-modal {
  background: var(--as-bg-surface);
  border-radius: 20px;
  padding: 32px;
  width: 380px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.astudio-login-input:focus {
  border-color: #6366F1 !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.astudio-login-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}
.astudio-login-btn:active {
  transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1199px) {
  .astudio-chat { flex: 0 0 55%; }
  .astudio-panel { flex: 0 0 45%; }
  .astudio-selector-cards { gap: 14px; }
  .astudio-mode-card { padding: 24px 18px; }
}

@media (max-width: 899px) {
  .astudio-chat { flex: 0 0 50%; }
  .astudio-panel { flex: 0 0 50%; }
  .astudio-header { padding: 10px 16px; }
  .astudio-selector-cards { flex-direction: column; max-width: 420px; }
  .astudio-mode-card { flex-direction: row; align-items: center; gap: 16px; padding: 20px; text-align: left; }
  .astudio-card-icon { margin-bottom: 0; width: 48px; height: 48px; font-size: 22px; border-radius: 14px; }
  .astudio-card-desc { max-width: none; margin-bottom: 0; }
  .astudio-card-tags { justify-content: flex-start; }
}

/* 平板：侧栏半折叠 */
@media (max-width: 767px) {
  .astudio-mobile-toggle { display: flex !important; }
  .astudio-sidebar {
    position: fixed;
    left: -220px;
    top: 72px;
    bottom: 0;
    z-index: 30;
    width: 220px;
    flex: none;
    transition: left 0.3s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,0.1);
  }
  .astudio-sidebar.mobile-open {
    left: 0;
  }
  .astudio-main {
    height: calc(100vh - 72px - 56px);
    min-height: auto;
  }
  .astudio-chat { flex: 1; }
  .astudio-panel { flex: 0 0 40%; }
  .astudio-header { padding: 8px 12px; }
  .astudio-title { font-size: 15px; }
  .asp-btn { padding: 3px 8px; font-size: 10px; }
  .astudio-source-pill { gap: 1px; padding: 1px; }
  .astudio-model-config-btn { padding: 5px 10px; font-size: 12px; }
}

/* 手机：全屏单列 */
@media (max-width: 599px) {
  .astudio-mobile-toggle { display: flex !important; }
  .astudio-main { flex-direction: column; }
  .astudio-sidebar {
    left: -220px;
    top: 60px;
  }
  .astudio-chat { flex: 1; border-right: none; border-bottom: 1px solid var(--as-border); }
  .astudio-panel { flex: none; width: 100%; max-height: 40vh; }
  .astudio-panel-tabs { overflow-x: auto; }
  .astudio-presets { justify-content: flex-start; }
  .astudio-selector-cards { gap: 12px; }
  .astudio-mode-card { padding: 16px; }
  .astudio-header { padding: 6px 10px; }
  .astudio-model-config-btn { padding: 4px 8px; font-size: 11px; }
  .astudio-model-config-btn svg { width: 12px; height: 12px; }
  .asp-btn { padding: 2px 6px; font-size: 9px; }
  .astudio-chat-messages { padding: 12px; }
  .astudio-details-toggle { display: none; }
}

/* ========== Canvas 容器高度 ========== */
.astudio-msg.system .astudio-thought-canvas-wrap {
  max-width: 100%;
}

/* ========== 滚动区域 ========== */
.astudio-scroll-area {
  max-height: calc(100vh - 340px);
  overflow-y: auto;
}

/* ========== Toast（浅色版） ========== */
.astudio-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  background: var(--as-bg-surface);
  color: var(--as-text-primary);
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  font-size: 14px;
  z-index: 9999;
  box-shadow: var(--as-shadow-lg);
  font-family: var(--as-font-body);
  animation: as-fade-in-up 0.3s ease-out;
}

/* ========== 充值渠道按钮 ========== */
.astudio-rch-btn {
  flex: 1;
  padding: 8px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid var(--as-border);
  background: transparent;
  color: var(--as-text-muted);
}
/* 默认选中支付宝 */
.astudio-rch-btn[data-ch="alipay"].active {
  background: #1677ff !important;
  color: #fff !important;
  border-color: #1677ff !important;
}
.astudio-rch-btn[data-ch="alipay"]:not(.active):hover {
  background: rgba(22,119,255,0.08);
  color: #1677ff;
  border-color: #1677ff;
}
.astudio-rch-btn[data-ch="wechat"].active {
  background: #07c160 !important;
  color: #fff !important;
  border-color: #07c160 !important;
}
/* ========== Agent卡片选择 ========== */
.astudio-agent-card {
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid var(--as-border, #e8ecf0);
  padding: 14px;
  background: var(--as-bg-card, #fff);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.astudio-agent-card:hover {
  border-color: var(--as-blue, #4F8CFF);
  box-shadow: 0 4px 12px rgba(79,140,255,0.12);
  transform: translateY(-1px);
}
.astudio-rch-btn[data-ch="wechat"]:not(.active):hover {
  background: rgba(7,193,96,0.08);
  color: #07c160;
  border-color: #07c160;
}
.astudio-back-btn:hover {
  background: var(--as-bg-card-hover, #e4e8ef) !important;
}