/* ============================================================
   教师端 - 共享样式（与学生端共用顶部框架，使用独立 t- 前缀避免冲突）
   ============================================================ */

.t-app {
  min-height: 100vh;
  background: var(--ink-25);
  display: flex;
  flex-direction: column;
}

/* ---- Top nav ---- */
.t-topnav {
  height: 60px;
  background: var(--ink-0);
  border-bottom: 1px solid var(--ink-150);
  display: flex;
  align-items: center;
  padding: 0 32px;
  gap: 32px;
  position: sticky;
  top: 0;
  z-index: 30;
}
.t-topnav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-900);
}
.t-topnav__brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, oklch(0.66 0.17 260), oklch(0.50 0.17 260));
  color: white;
  display: grid; place-items: center;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.5px;
  box-shadow: 0 2px 8px oklch(0.50 0.17 260 / 0.25);
}
.t-topnav__menu {
  display: flex;
  gap: 4px;
  height: 100%;
  align-items: center;
}
.t-nav-item {
  height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  font-size: 14px;
  color: var(--ink-600);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
}
.t-nav-item:hover { color: var(--ink-900); background: var(--ink-50); }
.t-nav-item--active {
  color: oklch(0.47 0.17 260);
  background: oklch(0.96 0.04 260);
  font-weight: 500;
}
.t-topnav__spacer { flex: 1; }
.t-topnav__user {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  cursor: pointer;
}
.t-topnav__user:hover { background: var(--ink-50); }
.t-topnav__user-info { display: flex; flex-direction: column; line-height: 1.25; }
.t-topnav__user-name { font-size: 13px; color: var(--ink-800); font-weight: 500; }
.t-topnav__user-meta { font-size: 11.5px; color: var(--ink-500); }
.t-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, oklch(0.70 0.13 260), oklch(0.50 0.17 260));
  color: white;
  font-size: 13px;
  font-weight: 600;
  display: grid; place-items: center;
}

/* ---- Sub nav (level 2 tabs, e.g. 项目广场 - 实验中心 / 我的实验库) ---- */
.t-subnav {
  background: var(--ink-0);
  border-bottom: 1px solid var(--ink-150);
  padding: 0 32px;
  display: flex;
  align-items: center;
  height: 46px;
  gap: 4px;
}
.t-subnav__tab {
  height: 46px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  font-size: 13.5px;
  color: var(--ink-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  position: relative;
  user-select: none;
}
.t-subnav__tab:hover { color: var(--ink-900); }
.t-subnav__tab--active {
  color: oklch(0.47 0.17 260);
  border-bottom-color: oklch(0.62 0.17 260);
  font-weight: 500;
}
.t-subnav__count {
  display: inline-block;
  margin-left: 6px;
  background: var(--ink-100);
  color: var(--ink-600);
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 11.5px;
  font-family: var(--font-num);
}
.t-subnav__tab--active .t-subnav__count {
  background: oklch(0.95 0.05 260);
  color: oklch(0.47 0.17 260);
}

/* ---- Top nav dropdown (AI 智能体搭建) ---- */
.t-nav-dropdown { position: relative; }
.t-nav-dropdown .t-nav-item { display: inline-flex; align-items: center; }
.t-nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 160px;
  background: var(--ink-0);
  border: 1px solid var(--ink-150);
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(20,28,50,0.12);
  padding: 6px;
  z-index: 40;
}
.t-nav-dropdown__item {
  padding: 8px 12px;
  font-size: 13.5px;
  color: var(--ink-700);
  border-radius: 6px;
  cursor: pointer;
}
.t-nav-dropdown__item:hover { background: var(--ink-50); color: var(--ink-900); }
/* ---- AI 应用管理 ---- */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.ai-card {
  background: var(--ink-0);
  border: 1px solid var(--ink-150);
  border-radius: var(--radius-md);
  padding: 16px;
  cursor: pointer;
  transition: all 0.18s;
  display: flex;
  flex-direction: column;
}
.ai-card:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(20,28,50,0.07); border-color: oklch(0.85 0.08 260); }
.ai-card__head { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.ai-card__icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: oklch(0.96 0.04 260); display: grid; place-items: center;
  font-size: 20px; flex: none;
}
.ai-card__head-main { flex: 1; min-width: 0; }
.ai-card__name { font-size: 14.5px; font-weight: 600; color: var(--ink-900); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-card__creator { font-size: 11.5px; color: var(--ink-500); margin-top: 3px; }
.ai-card__desc {
  font-size: 12.5px; color: var(--ink-500); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 38px; margin-bottom: 12px;
}
.ai-card__foot { display: flex; align-items: center; margin-top: auto; }
.ai-card__enter { margin-left: auto; font-size: 12px; color: oklch(0.55 0.18 260); display: inline-flex; align-items: center; gap: 3px; }
.ai-status { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 500; flex: none; }
.ai-status--published { background: oklch(0.96 0.06 145); color: oklch(0.40 0.13 145); }
.ai-status--published .status-badge__dot { background: var(--success-500); }
.ai-status--draft { background: var(--ink-100); color: var(--ink-600); }
.ai-status--draft .status-badge__dot { background: var(--ink-500); }
.ai-type-tag { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 4px; font-size: 11.5px; font-weight: 500; }
.ai-type-tag--simple { background: oklch(0.95 0.05 258); color: oklch(0.42 0.17 258); }
.ai-type-tag--advanced { background: oklch(0.95 0.06 260); color: oklch(0.47 0.17 260); }

/* 图标上传 */
.ai-icon-upload {
  width: 72px; height: 72px; border: 1px dashed var(--ink-200); border-radius: 10px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; background: var(--ink-25);
}
.ai-icon-upload:hover { border-color: oklch(0.62 0.17 260); background: oklch(0.97 0.03 260); }

/* 类型卡片 */
.ai-type-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ai-type-card { border: 1px solid var(--ink-200); border-radius: 8px; padding: 14px; cursor: pointer; transition: all 0.12s; }
.ai-type-card:hover { border-color: var(--ink-300); }
.ai-type-card.is-active { border-color: oklch(0.62 0.17 260); background: oklch(0.97 0.03 260); }
.ai-type-card__head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.ai-type-card__radio { width: 16px; height: 16px; border: 1.5px solid var(--ink-300); border-radius: 50%; display: inline-grid; place-items: center; flex: none; }
.ai-type-card.is-active .ai-type-card__radio { border-color: oklch(0.62 0.17 260); }
.ai-type-card__dot { width: 8px; height: 8px; border-radius: 50%; background: oklch(0.62 0.17 260); }
.ai-type-card__title { font-size: 14px; font-weight: 500; color: var(--ink-900); }
.ai-type-card__desc { font-size: 12px; color: var(--ink-500); line-height: 1.5; }

/* 向导步骤 */
.ai-steps { display: flex; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--ink-150); }
.ai-step { display: flex; align-items: center; gap: 8px; }
.ai-step__num { width: 24px; height: 24px; border-radius: 50%; background: var(--ink-150); color: var(--ink-600); display: grid; place-items: center; font-size: 12px; font-weight: 600; font-family: var(--font-num); }
.ai-step.is-active .ai-step__num { background: oklch(0.62 0.17 260); color: white; }
.ai-step.is-done .ai-step__num { background: var(--success-500); color: white; }
.ai-step__label { font-size: 13px; color: var(--ink-500); }
.ai-step.is-active .ai-step__label { color: var(--ink-900); font-weight: 500; }
.ai-step__line { flex: 1; height: 2px; background: var(--ink-150); margin: 0 12px; }
.ai-step__line.is-done { background: var(--success-500); }

.ai-wizard-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--ink-150); margin-bottom: 16px; }
.ai-wizard-tab { padding: 9px 16px; font-size: 13.5px; color: var(--ink-600); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.ai-wizard-tab.is-active { color: oklch(0.47 0.17 260); border-bottom-color: oklch(0.62 0.17 260); font-weight: 500; }

.ai-mode-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ai-mode-card { border: 1px solid var(--ink-200); border-radius: 10px; padding: 20px; text-align: center; cursor: pointer; transition: all 0.12s; }
.ai-mode-card:hover { border-color: var(--ink-300); }
.ai-mode-card.is-active { border-color: oklch(0.62 0.17 260); background: oklch(0.97 0.03 260); }
.ai-mode-card__icon { font-size: 32px; margin-bottom: 10px; }
.ai-mode-card__title { font-size: 15px; font-weight: 600; color: var(--ink-900); margin-bottom: 6px; }
.ai-mode-card__desc { font-size: 12.5px; color: var(--ink-500); line-height: 1.5; }

.ai-tpl-cats { display: flex; gap: 6px; margin-bottom: 14px; }
.ai-tpl-cat { padding: 5px 14px; border-radius: 999px; font-size: 13px; background: var(--ink-100); color: var(--ink-700); cursor: pointer; }
.ai-tpl-cat.is-active { background: oklch(0.62 0.17 260); color: white; }
.ai-tpl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ai-tpl-card { border: 1px solid var(--ink-200); border-radius: 8px; padding: 14px; cursor: pointer; transition: all 0.12s; }
.ai-tpl-card:hover { border-color: var(--ink-300); }
.ai-tpl-card.is-active { border-color: oklch(0.62 0.17 260); background: oklch(0.97 0.03 260); }
.ai-tpl-card__head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.ai-tpl-card__name { font-size: 14px; font-weight: 600; color: var(--ink-900); flex: 1; }
.ai-tpl-card__cat { font-size: 11px; padding: 2px 7px; border-radius: 4px; background: oklch(0.95 0.05 258); color: oklch(0.42 0.16 258); }
.ai-tpl-card__brief { font-size: 12px; color: var(--ink-500); line-height: 1.5; margin-bottom: 8px; }
.ai-tpl-card__keywords { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
.ai-tpl-kw { font-size: 10.5px; padding: 1px 6px; border-radius: 3px; background: var(--ink-100); color: var(--ink-600); }
.ai-tpl-card__meta { display: flex; gap: 12px; font-size: 11px; color: var(--ink-500); }

.ai-progress { height: 8px; background: var(--ink-150); border-radius: 999px; overflow: hidden; }
.ai-progress__bar { height: 100%; background: linear-gradient(90deg, oklch(0.68 0.15 260), oklch(0.62 0.17 260)); border-radius: 999px; transition: width 0.4s; }

/* ---- AI 知识库 ---- */
.kb-accent { background: oklch(0.62 0.17 260) !important; }
.kb-accent:hover { background: oklch(0.55 0.18 260) !important; }
.kb-card__icon { background: oklch(0.96 0.03 258); color: oklch(0.45 0.16 258); }
.kb-card__model {
  display: flex; align-items: center; gap: 8px; margin: 0 0 12px;
  padding: 7px 10px; background: var(--ink-25); border: 1px solid var(--ink-150); border-radius: 6px;
}
.kb-card__model-label { font-size: 11px; color: var(--ink-500); flex: none; }
.kb-card__model-val { font-size: 11.5px; color: var(--ink-700); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kb-card__docs { font-size: 12px; color: var(--ink-500); flex: none; }
.kb-card__actions { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.kb-text-btn { background: none; border: none; font-size: 12px; color: oklch(0.55 0.18 260); cursor: pointer; padding: 4px 6px; border-radius: 5px; display: inline-flex; align-items: center; transition: background 0.12s; white-space: nowrap; }
.kb-text-btn:hover { background: oklch(0.97 0.03 260); }
.kb-icon-btn { width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--ink-150); background: var(--ink-0); color: var(--ink-500); display: grid; place-items: center; cursor: pointer; transition: all 0.12s; flex: none; }
.kb-icon-btn:hover { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); background: oklch(0.97 0.03 260); }
.kb-icon-btn--danger:hover { border-color: oklch(0.62 0.19 25); color: oklch(0.55 0.20 25); background: oklch(0.97 0.04 25); }
.kb-pagesize { margin-left: 14px; display: inline-flex; align-items: center; }

/* 构建状态徽标 */
.kb-bs { flex: none; }
.kb-bs--done { background: oklch(0.95 0.05 150); color: oklch(0.42 0.12 150); }
.kb-bs--done .status-badge__dot { background: var(--success-500); }
.kb-bs--building { background: oklch(0.96 0.05 60); color: oklch(0.48 0.13 60); }

/* 状态单选 */
.kb-radio-group { display: flex; gap: 10px; }
.kb-radio { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border: 1px solid var(--ink-200); border-radius: 8px; font-size: 13.5px; color: var(--ink-700); cursor: pointer; transition: all 0.12s; }
.kb-radio:hover { border-color: var(--ink-300); }
.kb-radio.is-active { border-color: oklch(0.62 0.17 260); background: oklch(0.97 0.03 260); color: var(--ink-900); }
.kb-radio__dot { width: 16px; height: 16px; border: 1.5px solid var(--ink-300); border-radius: 50%; display: inline-grid; place-items: center; flex: none; }
.kb-radio.is-active .kb-radio__dot { border-color: oklch(0.62 0.17 260); }
.kb-radio__inner { width: 8px; height: 8px; border-radius: 50%; background: oklch(0.62 0.17 260); }

/* 详情页 */
.kb-detail__icon { width: 30px; height: 30px; border-radius: 8px; background: oklch(0.96 0.03 258); color: oklch(0.45 0.16 258); display: inline-grid; place-items: center; }
.kb-tabs { display: flex; gap: 2px; padding: 0 24px; background: var(--ink-0); border-bottom: 1px solid var(--ink-150); flex: none; }
.kb-tab { background: none; border: none; padding: 13px 18px; font-size: 14px; color: var(--ink-500); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color 0.12s; }
.kb-tab:hover { color: var(--ink-800); }
.kb-tab.is-active { color: oklch(0.55 0.18 260); border-bottom-color: oklch(0.62 0.17 260); font-weight: 500; }
.kb-detail-body { flex: 1; overflow-y: auto; padding: 20px 24px; }

/* 文档 tab */
.kb-docs-toolbar { display: flex; align-items: center; gap: 12px; }
.kb-create-doc { position: relative; margin-left: auto; }
.kb-create-menu { position: absolute; right: 0; top: calc(100% + 6px); background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 10px; box-shadow: 0 10px 28px rgba(0,0,0,0.12); padding: 6px; min-width: 200px; z-index: 30; }
.kb-create-menu__item { width: 100%; display: flex; align-items: center; gap: 10px; padding: 9px 11px; background: none; border: none; border-radius: 7px; font-size: 13px; color: var(--ink-700); cursor: pointer; text-align: left; transition: background 0.12s; }
.kb-create-menu__item:hover { background: var(--ink-50); color: var(--ink-900); }
.kb-uploading { display: flex; align-items: center; gap: 10px; margin-top: 14px; padding: 14px 16px; background: oklch(0.97 0.03 250); border: 1px solid oklch(0.90 0.05 250); border-radius: 10px; font-size: 13px; color: oklch(0.45 0.12 250); }

.kb-table { width: 100%; border-collapse: collapse; }
.kb-table th { text-align: left; font-size: 11.5px; font-weight: 500; color: var(--ink-500); padding: 10px 16px; background: var(--ink-25); border-bottom: 1px solid var(--ink-100); white-space: nowrap; }
.kb-table td { padding: 11px 16px; font-size: 13px; color: var(--ink-800); border-bottom: 1px solid var(--ink-100); }
.kb-table tbody tr:last-child td { border-bottom: none; }
.kb-table tbody tr:hover { background: var(--ink-25); }
.kb-td-muted { color: var(--ink-500); }
.kb-doc-name { display: flex; align-items: center; gap: 9px; min-width: 0; }
.kb-doc-name > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kb-doc-ext { font-size: 10px; font-weight: 600; padding: 2px 6px; border-radius: 4px; background: oklch(0.95 0.05 258); color: oklch(0.42 0.16 258); flex: none; }
.kb-doc-status { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; }
.kb-doc-status--done { color: oklch(0.45 0.13 145); }
.kb-doc-status--done .status-badge__dot { background: var(--success-500); }
.kb-doc-status--parsing { color: oklch(0.55 0.13 60); }
.kb-spin { width: 11px; height: 11px; border: 1.6px solid oklch(0.85 0.07 60); border-top-color: oklch(0.60 0.15 60); border-radius: 50%; animation: kb-spin 0.7s linear infinite; flex: none; }
.kb-spin--lg { width: 16px; height: 16px; border-width: 2px; border-color: oklch(0.85 0.05 250); border-top-color: oklch(0.55 0.13 250); }
@keyframes kb-spin { to { transform: rotate(360deg); } }

/* 命中测试 tab */
.kb-hit { display: grid; grid-template-columns: 1fr; gap: 16px; max-width: 860px; }
.kb-hit__panel { padding: 18px 20px; }
.kb-hit__title { font-size: 15px; font-weight: 600; color: var(--ink-900); }
.kb-hit__sub { font-size: 12.5px; color: var(--ink-500); margin-top: 5px; line-height: 1.55; }
.kb-hit__form { display: flex; flex-direction: column; margin-top: 14px; }
.kb-hit__results { display: flex; flex-direction: column; gap: 12px; }
.kb-hit-card { background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 10px; padding: 14px 16px; }
.kb-hit-card__head { display: flex; align-items: center; gap: 9px; margin-bottom: 8px; }
.kb-hit-card__rank { font-size: 12px; font-weight: 600; color: oklch(0.55 0.18 260); }
.kb-hit-card__doc { font-size: 13px; font-weight: 500; color: var(--ink-800); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kb-hit-card__score { margin-left: auto; font-size: 12px; color: var(--ink-500); flex: none; }
.kb-hit-card__text { font-size: 13px; color: var(--ink-700); line-height: 1.6; }
.kb-hit-card__bar { height: 4px; background: var(--ink-100); border-radius: 999px; margin-top: 10px; overflow: hidden; }
.kb-hit-card__bar > span { display: block; height: 100%; background: linear-gradient(90deg, oklch(0.72 0.13 260), oklch(0.62 0.17 260)); border-radius: 999px; }

/* Markdown 编辑器 */
.md-modal { width: min(1040px, 94vw); max-height: 92vh; display: flex; flex-direction: column; }
.md-modal__body { overflow: visible; display: flex; flex-direction: column; }
.md-editor { border: 1px solid var(--ink-200); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; }
.md-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 1px; padding: 6px 8px; background: var(--ink-25); border-bottom: 1px solid var(--ink-150); }
.md-tool { width: 28px; height: 28px; border: none; background: none; border-radius: 6px; color: var(--ink-600); cursor: pointer; display: grid; place-items: center; transition: all 0.1s; }
.md-tool:hover { background: var(--ink-100); color: var(--ink-900); }
.md-tool__g { font-size: 13px; line-height: 1; }
.md-tool.is-bold .md-tool__g { font-weight: 800; }
.md-tool.is-italic .md-tool__g { font-style: italic; font-family: Georgia, serif; }
.md-tool.is-strike .md-tool__g { text-decoration: line-through; }
.md-tool-sep { width: 1px; height: 18px; background: var(--ink-200); margin: 0 5px; }
.md-body { display: grid; grid-template-columns: 1fr 1fr; height: 46vh; min-height: 320px; }
.md-pane { min-width: 0; display: flex; flex-direction: column; }
.md-pane--edit { border-right: 1px solid var(--ink-150); }
.md-textarea { flex: 1; border: none; outline: none; resize: none; padding: 14px 16px; font-size: 13.5px; line-height: 1.7; color: var(--ink-800); font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.md-textarea::placeholder { color: var(--ink-400); }
.md-preview-bar { display: flex; align-items: center; gap: 6px; padding: 7px 10px; background: var(--ink-25); border-bottom: 1px solid var(--ink-150); flex-wrap: wrap; }
.md-dev { font-size: 11.5px; padding: 4px 9px; border: 1px solid var(--ink-200); background: var(--ink-0); border-radius: 6px; color: var(--ink-600); cursor: pointer; }
.md-dev.is-active { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); background: oklch(0.98 0.02 260); }
.md-dev-spacer { flex: 1; }
.md-copy { font-size: 11.5px; padding: 4px 9px; border: 1px solid var(--ink-200); background: var(--ink-0); border-radius: 6px; color: var(--ink-600); cursor: pointer; }
.md-copy:hover { border-color: var(--ink-300); color: var(--ink-800); }
.md-preview-scroll { flex: 1; overflow-y: auto; background: var(--ink-25); padding: 16px; display: flex; justify-content: center; }
.md-preview { background: var(--ink-0); width: 100%; padding: 18px 20px; border-radius: 8px; font-size: 14px; line-height: 1.7; color: var(--ink-800); box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.md-preview--tablet { max-width: 600px; }
.md-preview--mobile { max-width: 360px; }
.md-preview .md-empty { color: var(--ink-400); }
.md-preview h1, .md-preview h2, .md-preview h3 { margin: 0.6em 0 0.4em; line-height: 1.35; color: var(--ink-900); }
.md-preview h1 { font-size: 1.5em; } .md-preview h2 { font-size: 1.3em; } .md-preview h3 { font-size: 1.12em; }
.md-preview p { margin: 0.5em 0; }
.md-preview ul, .md-preview ol { margin: 0.5em 0; padding-left: 1.5em; }
.md-preview ul.md-task { list-style: none; padding-left: 0.3em; }
.md-preview .md-check { display: inline-block; width: 14px; height: 14px; border: 1.5px solid var(--ink-300); border-radius: 3px; margin-right: 7px; vertical-align: -2px; }
.md-preview .md-check.is-done { background: oklch(0.62 0.17 260); border-color: oklch(0.62 0.17 260); position: relative; }
.md-preview .md-check.is-done::after { content: "✓"; color: #fff; font-size: 10px; position: absolute; top: -2px; left: 1px; }
.md-preview blockquote { margin: 0.6em 0; padding: 4px 14px; border-left: 3px solid var(--ink-200); color: var(--ink-500); }
.md-preview hr { border: none; border-top: 1px solid var(--ink-150); margin: 1em 0; }
.md-preview code { background: var(--ink-100); padding: 2px 5px; border-radius: 4px; font-size: 0.88em; font-family: ui-monospace, monospace; }
.md-preview pre { background: oklch(0.22 0.02 260); color: oklch(0.92 0.01 260); padding: 12px 14px; border-radius: 8px; overflow-x: auto; margin: 0.6em 0; }
.md-preview pre code { background: none; padding: 0; color: inherit; }
.md-preview a { color: oklch(0.55 0.18 260); text-decoration: underline; }
.md-preview .md-table { width: 100%; border-collapse: collapse; margin: 0.6em 0; }
.md-preview .md-table th, .md-preview .md-table td { border: 1px solid var(--ink-150); padding: 7px 10px; font-size: 13px; text-align: left; }
.md-preview .md-table th { background: var(--ink-25); font-weight: 600; }

/* ---- 编排页 ---- */
.ai-orch { height: calc(100vh - 60px); display: flex; flex-direction: column; }
.ai-orch__top { display: flex; align-items: center; gap: 12px; padding: 0 24px; height: 56px; background: var(--ink-0); border-bottom: 1px solid var(--ink-150); flex: none; }
.ai-orch__title { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; color: var(--ink-900); }
.ai-orch__top-tabs { margin-left: 16px; display: inline-flex; background: var(--ink-100); padding: 3px; border-radius: 8px; }
.ai-orch__top-tab { padding: 6px 18px; font-size: 13px; color: var(--ink-600); cursor: pointer; border-radius: 6px; }
.ai-orch__top-tab.is-active { background: var(--ink-0); color: oklch(0.47 0.17 260); font-weight: 500; box-shadow: var(--shadow-sm); }
.ai-orch__body { flex: 1; display: flex; min-height: 0; }
.ai-orch__config { width: 56%; overflow-y: auto; padding: 20px 24px; border-right: 1px solid var(--ink-150); }
.ai-orch__preview { flex: 1; background: var(--ink-50); display: flex; flex-direction: column; min-width: 0; }
.ai-orch__preview.is-full { width: 100%; }

.ai-section { margin-bottom: 22px; }
.ai-section--hl { background: oklch(0.98 0.02 260); border: 1px solid oklch(0.90 0.05 260); border-radius: 8px; padding: 14px; }
.ai-section__title { font-size: 14px; font-weight: 600; color: var(--ink-900); margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.ai-section__badge { font-size: 10.5px; padding: 1px 7px; border-radius: 4px; background: oklch(0.95 0.06 260); color: oklch(0.47 0.17 260); font-weight: 500; }
.ai-section__hint { font-size: 12px; color: var(--ink-500); line-height: 1.5; margin-bottom: 10px; }
.ai-section__body {}

.ai-rich-toolbar { display: flex; flex-wrap: wrap; gap: 2px; padding: 6px 8px; background: var(--ink-50); border: 1px solid var(--ink-200); border-radius: 6px 6px 0 0; }
.ai-rich-btn { min-width: 28px; height: 26px; padding: 0 6px; border-radius: 4px; color: var(--ink-600); font-size: 12px; background: transparent; border: none; }
.ai-rich-btn:hover { background: var(--ink-0); color: oklch(0.55 0.18 260); }

.ai-preset-row, .ai-cmd-row { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid var(--ink-150); border-radius: 6px; font-size: 13px; color: var(--ink-800); background: var(--ink-0); }
.ai-cmd-row { background: oklch(0.97 0.03 260); border-color: oklch(0.90 0.05 260); }

.ai-kb-tag { display: inline-flex; align-items: center; gap: 5px; height: 28px; padding: 0 6px 0 12px; border-radius: 6px; background: oklch(0.96 0.04 258); color: oklch(0.40 0.16 258); font-size: 12.5px; }
.ai-kb-tag__x { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 4px; color: inherit; background: transparent; border: none; }
.ai-kb-tag__x:hover { background: rgba(0,0,0,0.08); }
.ai-empty-line { font-size: 12.5px; color: var(--ink-400); padding: 8px 0; }
.ai-tip { font-size: 11.5px; color: var(--ink-500); margin-top: 8px; }

/* 预览手机 */
.ai-preview-bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--ink-150); background: var(--ink-0); }
.ai-preview-devices { display: inline-flex; background: var(--ink-100); padding: 2px; border-radius: 6px; }
.ai-preview-device { padding: 4px 12px; font-size: 12px; color: var(--ink-600); cursor: pointer; border-radius: 5px; }
.ai-preview-device.is-active { background: var(--ink-0); color: oklch(0.47 0.17 260); font-weight: 500; box-shadow: var(--shadow-sm); }
.ai-copy-btn { font-size: 11.5px; padding: 4px 10px; border: 1px solid var(--ink-200); border-radius: 4px; color: var(--ink-600); background: var(--ink-0); }
.ai-copy-btn:hover { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); }
.ai-preview-stage { flex: 1; overflow-y: auto; display: flex; justify-content: center; padding: 24px; }
.ai-phone { background: var(--ink-0); border: 1px solid var(--ink-200); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 8px 32px rgba(20,28,50,0.08); height: fit-content; }
.ai-phone--mobile { width: 340px; }
.ai-phone--pad { width: 480px; }
.ai-phone--desktop { width: 560px; }
.ai-phone__head { display: flex; align-items: center; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--ink-100); font-size: 14px; font-weight: 600; color: var(--ink-900); background: oklch(0.97 0.03 260); }
.ai-phone__body { padding: 16px; min-height: 280px; }
.ai-msg { display: flex; gap: 8px; margin-bottom: 14px; }
.ai-msg__avatar { width: 30px; height: 30px; border-radius: 8px; background: oklch(0.96 0.04 260); display: grid; place-items: center; font-size: 15px; flex: none; }
.ai-msg__bubble { background: var(--ink-50); border-radius: 0 10px 10px 10px; padding: 10px 14px; font-size: 13px; color: var(--ink-800); line-height: 1.6; max-width: 80%; }
.ai-cap-block { background: oklch(0.98 0.02 260); border: 1px solid oklch(0.92 0.04 260); border-radius: 10px; padding: 12px 14px; margin-bottom: 14px; }
.ai-cap-title { font-size: 12.5px; font-weight: 600; color: var(--ink-800); margin-bottom: 6px; }
.ai-cap-list { margin: 0; padding-left: 18px; font-size: 12.5px; color: var(--ink-600); line-height: 1.8; }
.ai-preset-list { display: flex; flex-direction: column; gap: 6px; }
.ai-preset-q { border: 1px solid var(--ink-200); border-radius: 8px; padding: 8px 12px; font-size: 12.5px; color: var(--ink-700); cursor: pointer; }
.ai-preset-q:hover { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); }
.ai-phone__foot { border-top: 1px solid var(--ink-100); padding: 10px 14px; }
.ai-quick-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.ai-quick-chip { font-size: 11.5px; padding: 4px 10px; border-radius: 999px; background: oklch(0.96 0.04 260); color: oklch(0.47 0.17 260); cursor: pointer; }
.ai-input-row { display: flex; align-items: center; gap: 8px; background: var(--ink-50); border: 1px solid var(--ink-200); border-radius: 8px; padding: 8px 8px 8px 14px; }
.ai-input-row span:first-child { flex: 1; }
.ai-send-btn { background: oklch(0.62 0.17 260); color: white; font-size: 12.5px; padding: 5px 14px; border-radius: 6px; }

/* ---- Category tag multi-select bar ---- */
.t-cat-bar {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ink-150);
  background: var(--ink-25);
}
.t-cat-bar__label {
  font-size: 13px;
  color: var(--ink-600);
  flex: none;
  padding-top: 5px;
}
.t-cat-bar__chips {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.t-cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 26px;
  padding: 0 11px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--ink-700);
  background: var(--ink-100);
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  transition: all 0.12s;
}
.t-cat-chip:hover { background: var(--ink-150); }
.t-cat-chip--active {
  background: oklch(0.95 0.05 260);
  color: oklch(0.47 0.17 260);
  border-color: oklch(0.78 0.10 260);
  font-weight: 500;
}
.t-cat-bar__clear {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  color: var(--ink-500);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}
.t-cat-bar__clear:hover { color: var(--ink-800); background: var(--ink-100); }
.t-cat-bar__hint {
  flex: none;
  font-size: 11.5px;
  color: var(--ink-500);
  padding-top: 5px;
  margin-left: auto;
}

/* ---- Checkbox ---- */
.t-checkbox {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--ink-300);
  border-radius: 3px;
  display: inline-grid;
  place-items: center;
  background: var(--ink-0);
  color: white;
  cursor: pointer;
  user-select: none;
  transition: all 0.12s;
  vertical-align: middle;
}
.t-checkbox:hover { border-color: oklch(0.62 0.17 260); }
.t-checkbox.is-checked {
  background: oklch(0.62 0.17 260);
  border-color: oklch(0.62 0.17 260);
}
.t-checkbox.is-indeterminate {
  background: oklch(0.62 0.17 260);
  border-color: oklch(0.62 0.17 260);
}
.t-checkbox__dash {
  width: 8px; height: 2px;
  background: white;
  border-radius: 1px;
}
.t-checkbox.is-disabled {
  background: var(--ink-100);
  border-color: var(--ink-200);
  cursor: not-allowed;
  color: var(--ink-400);
}
.t-checkbox.is-disabled.is-checked {
  background: var(--ink-300);
  border-color: var(--ink-300);
}

/* Joined tag */
.t-joined-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 22px;
  padding: 0 8px;
  background: oklch(0.96 0.04 145);
  color: oklch(0.42 0.13 145);
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 500;
}
tr.is-joined-row { background: var(--ink-25); }
tr.is-joined-row:hover td { background: var(--ink-50); }

/* ---- Library cards ---- */
.t-lib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.t-lib-card {
  background: var(--ink-0);
  border-radius: var(--radius-md);
  border: 1px solid var(--ink-150);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.18s;
}
.t-lib-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(20, 28, 50, 0.07);
  border-color: oklch(0.85 0.08 260);
}
.t-lib-card__cover {
  height: 110px;
  display: grid;
  place-items: center;
  position: relative;
}
.t-lib-card__cover--code {
  background: linear-gradient(135deg, oklch(0.93 0.05 230), oklch(0.84 0.10 240));
  color: oklch(0.36 0.16 240);
}
.t-lib-card__cover--vm {
  background: linear-gradient(135deg, oklch(0.93 0.05 155), oklch(0.84 0.10 145));
  color: oklch(0.36 0.14 155);
}
.t-lib-card__cover--algo {
  background: linear-gradient(135deg, oklch(0.93 0.05 295), oklch(0.84 0.10 305));
  color: oklch(0.36 0.16 295);
}
.t-lib-card__type {
  position: absolute;
  top: 10px; left: 10px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-800);
}
.t-lib-card__body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.t-lib-card__title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.t-lib-card__intro {
  font-size: 12.5px;
  color: var(--ink-500);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 36px;
  line-height: 1.5;
}
.t-lib-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}
.t-lib-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  font-size: 11.5px;
  color: var(--ink-500);
}
.t-lib-card__time {
  margin-top: 8px;
  font-size: 11px;
  color: var(--ink-400);
  display: flex; align-items: center;
}
.t-lib-card__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  padding: 8px 12px;
  border-top: 1px solid var(--ink-100);
  background: var(--ink-25);
}

/* ---- Page area ---- */
.t-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.t-page {
  flex: 1;
  padding: 24px 32px 40px;
  max-width: 1480px;
  margin: 0 auto;
  width: 100%;
}

/* ---- Page header ---- */
.t-page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 16px;
}
.t-page-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: -0.2px;
}
.t-page-sub {
  font-size: 13px;
  color: var(--ink-500);
  margin-top: 4px;
}

/* ---- Empty / placeholder ---- */
.t-stub {
  background: var(--ink-0);
  border: 1px dashed var(--ink-200);
  border-radius: var(--radius-md);
  padding: 80px 24px;
  text-align: center;
  color: var(--ink-500);
}
.t-stub__icon {
  width: 72px; height: 72px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  background: var(--ink-50);
  border-radius: 50%;
  color: var(--ink-300);
}
.t-stub__title { font-size: 16px; color: var(--ink-700); font-weight: 500; }
.t-stub__hint { font-size: 13.5px; color: var(--ink-500); margin-top: 8px; line-height: 1.7; max-width: 420px; margin-left: auto; margin-right: auto; }
.t-stub__tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 14px;
  padding: 4px 10px;
  background: oklch(0.95 0.05 260);
  color: oklch(0.47 0.17 260);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

/* ====== Course module ====== */
.t-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.t-course-card {
  background: var(--ink-0);
  border-radius: var(--radius-md);
  border: 1px solid var(--ink-150);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.18s;
}
.t-course-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(20, 28, 50, 0.07);
  border-color: oklch(0.85 0.08 260);
}
.t-course-card__top {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.t-course-card__top--upcoming { background: linear-gradient(135deg, oklch(0.96 0.02 258), oklch(0.94 0.03 250)); }
.t-course-card__top--ongoing { background: linear-gradient(135deg, oklch(0.96 0.05 145), oklch(0.92 0.07 155)); }
.t-course-card__top--ended { background: linear-gradient(135deg, oklch(0.96 0.005 255), oklch(0.93 0.01 250)); }

.t-course-card__status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(4px);
}
.t-course-card__status--upcoming { color: var(--ink-700); }
.t-course-card__status--upcoming .status-badge__dot { background: var(--ink-500); }
.t-course-card__status--ongoing { color: oklch(0.40 0.13 155); }
.t-course-card__status--ongoing .status-badge__dot { background: var(--success-500); }
.t-course-card__status--ended { color: var(--ink-600); }
.t-course-card__status--ended .status-badge__dot { background: var(--ink-400); }
.t-course-card__code { font-size: 11.5px; color: var(--ink-600); }

.t-course-card__body {
  padding: 14px 16px 12px;
  flex: 1;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.t-course-card__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.t-course-card__intro {
  font-size: 12.5px;
  color: var(--ink-500);
  margin-bottom: 10px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 38px;
}
.t-course-card__meta { font-size: 12px; color: var(--ink-500); margin-bottom: 12px; }
.t-course-card__meta-item { display: inline-flex; align-items: center; gap: 4px; }
.t-course-card__stats {
  display: flex;
  gap: 16px;
  padding-top: 10px;
  border-top: 1px dashed var(--ink-150);
}
.t-course-card__stat {
  flex: 1;
  text-align: center;
}
.t-course-card__stat-v {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: -0.5px;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}
.t-course-card__stat-l { font-size: 11px; color: var(--ink-500); margin-top: 2px; }
.t-course-card__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 8px 12px;
  border-top: 1px solid var(--ink-100);
  background: var(--ink-25);
}

/* Course detail page */
.t-course-detail-head {
  background: var(--ink-0);
  border: 1px solid var(--ink-150);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 14px;
}
.t-course-detail-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--ink-150);
  font-size: 13px;
  color: var(--ink-700);
}
.t-stat-l { color: var(--ink-500); margin-right: 6px; font-size: 12.5px; }
.back-btn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 6px;
  color: var(--ink-600);
  border: 1px solid var(--ink-200);
  background: var(--ink-0);
  flex: none;
}
.back-btn:hover { color: oklch(0.62 0.17 260); border-color: oklch(0.62 0.17 260); }

/* Tabs */
.t-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--ink-150);
  margin-bottom: 14px;
}
.t-tab {
  padding: 10px 16px;
  font-size: 13.5px;
  color: var(--ink-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  user-select: none;
}
.t-tab:hover { color: var(--ink-900); }
.t-tab--active { color: oklch(0.47 0.17 260); border-bottom-color: oklch(0.62 0.17 260); font-weight: 500; }

/* ====== Class students 2-pane layout (course detail Tab 1) ====== */
.t-cls-pane {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 14px;
  min-height: 480px;
}
.t-cls-pane__left {
  background: var(--ink-0);
  border: 1px solid var(--ink-150);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.t-cls-pane__left-head {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid var(--ink-150);
  background: var(--ink-25);
}
.t-cls-pane__left-body {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}
.t-cls-pane__item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 4px;
  transition: background 0.12s;
}
.t-cls-pane__item:hover { background: var(--ink-50); }
.t-cls-pane__item.is-active {
  background: oklch(0.95 0.05 260);
  border-left: 3px solid oklch(0.62 0.17 260);
  padding-left: 9px;
}
.t-cls-pane__item.is-active:hover { background: oklch(0.94 0.06 260); }
.t-cls-pane__item-main { flex: 1; min-width: 0; }
.t-cls-pane__item-name {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-900);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.t-cls-pane__item-meta {
  font-size: 11.5px;
  color: var(--ink-500);
  margin-top: 3px;
}
.t-cls-pane__item-actions {
  display: none;
  gap: 2px;
  flex: none;
}
.t-cls-pane__item:hover .t-cls-pane__item-actions { display: inline-flex; }
.t-cls-pane__item.is-active .t-cls-pane__item-actions { display: inline-flex; }
.t-cls-pane__icon-btn {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 4px;
  color: var(--ink-500);
  background: transparent;
  border: none;
}
.t-cls-pane__icon-btn:hover { background: var(--ink-100); color: oklch(0.62 0.17 260); }
.t-cls-pane__icon-btn--danger:hover { background: var(--danger-50); color: var(--danger-500); }
.t-cls-pane__left-foot {
  padding: 10px 12px;
  border-top: 1px solid var(--ink-100);
  background: var(--ink-25);
}

.t-cls-pane__right {
  background: var(--ink-0);
  border: 1px solid var(--ink-150);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}
.t-cls-pane__right-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ink-150);
  background: var(--ink-25);
}
.t-cls-pane__right-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-900);
  margin-right: auto;
  flex: 1;
  min-width: 0;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.t-cls-pane__right-body {
  flex: 1;
  overflow: auto;
}

  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--ink-150);
  border-radius: 6px;
  background: var(--ink-0);
}
.t-cls-row__main { flex: 1; }
.t-cls-row__name { font-size: 14px; font-weight: 500; color: var(--ink-900); }
.t-cls-row__meta { font-size: 12px; color: var(--ink-500); margin-top: 2px; }

/* Student row */
.t-stu-list {
  border: 1px solid var(--ink-150);
  border-radius: 6px;
  max-height: 280px;
  overflow-y: auto;
}
.t-stu-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--ink-100);
  font-size: 13px;
}
.t-stu-row:last-child { border-bottom: none; }
.t-stu-row__name { width: 80px; font-weight: 500; color: var(--ink-900); }
.t-stu-row__no { width: 120px; color: var(--ink-600); }
.t-stu-row__org { flex: 1; color: var(--ink-600); font-size: 12.5px; }

/* Exp row */
.t-exp-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--ink-150);
  border-radius: 6px;
  background: var(--ink-0);
}
.t-exp-row__name { font-weight: 500; color: var(--ink-900); font-size: 13.5px; min-width: 200px; flex: 1; }

/* Board */
.t-board {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 16px;
  min-height: 480px;
}
.t-board__left {
  background: var(--ink-0);
  border: 1px solid var(--ink-150);
  border-radius: var(--radius-md);
  padding: 12px;
  height: fit-content;
}
.t-board__left-title {
  font-size: 12.5px;
  color: var(--ink-500);
  padding: 6px 8px;
  margin-bottom: 6px;
}
.t-board__exp {
  padding: 10px 12px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 4px;
}
.t-board__exp:hover { background: var(--ink-50); }
.t-board__exp.is-active {
  background: oklch(0.96 0.04 260);
  border-left: 3px solid oklch(0.62 0.17 260);
  padding-left: 9px;
}
.t-board__exp-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-900);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.t-board__exp-meta { display: flex; gap: 4px; flex-wrap: wrap; }

.t-board__right {
  background: var(--ink-0);
  border: 1px solid var(--ink-150);
  border-radius: var(--radius-md);
  padding: 16px;
}
.t-board__filters {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 14px;
}

/* Score chip */
.t-score {
  display: inline-block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.3px;
}
.t-score[data-tone="ok"] { color: var(--success-500); }
.t-score[data-tone="mid"] { color: oklch(0.55 0.16 50); }
.t-score[data-tone="bad"] { color: var(--danger-500); }

/* Report status */
.t-rpt-status {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 500;
}
.t-rpt-status--submitted { background: oklch(0.96 0.05 258); color: oklch(0.42 0.17 258); }
.t-rpt-status--graded { background: oklch(0.96 0.06 145); color: oklch(0.40 0.13 145); }
.t-rpt-status--none { background: var(--ink-100); color: var(--ink-500); }

/* Running indicator */
.t-running-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: oklch(0.96 0.06 145);
  color: oklch(0.40 0.13 145);
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 500;
}
.t-running-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success-500);
  box-shadow: 0 0 0 3px oklch(0.62 0.14 155 / 0.18);
  animation: pulse-dot 2s ease-in-out infinite;
}

/* Grade matrix */
.t-grade-matrix th, .t-grade-matrix td {
  padding: 10px 12px;
}
.t-grade-matrix tbody tr:hover td {
  background: var(--ink-25);
}

/* ====== Tree student selector ====== */
.t-tss {
  width: 1000px;
  max-width: 96vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}
.t-tss__body {
  flex: 1;
  display: grid;
  grid-template-columns: 280px 1fr;
  overflow: hidden;
  min-height: 0;
}

/* Tree side */
.t-tss__tree {
  border-right: 1px solid var(--ink-150);
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--ink-25);
}
.t-tss__tree-search {
  padding: 10px 12px;
  border-bottom: 1px solid var(--ink-150);
  background: var(--ink-0);
}
.t-tss__tree-body {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}
.t-tss__tree-node {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px 6px 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-700);
  user-select: none;
  line-height: 1.4;
}
.t-tss__tree-node:hover {
  background: var(--ink-100);
}
.t-tss__tree-node--leaf {
  padding-left: 30px;
}
.t-tss__tree-node--leaf.is-active {
  background: oklch(0.95 0.05 260);
  color: oklch(0.42 0.16 260);
  font-weight: 500;
}
.t-tss__tree-node--leaf.is-active:hover {
  background: oklch(0.94 0.06 260);
}
.t-tss__tree-toggle {
  width: 14px; height: 14px;
  display: inline-grid;
  place-items: center;
  color: var(--ink-500);
  transition: transform 0.15s;
  flex: none;
}
.t-tss__tree-toggle.is-open { transform: rotate(90deg); }
.t-tss__tree-icon {
  width: 16px; height: 16px;
  display: inline-grid;
  place-items: center;
  font-size: 11px;
  flex: none;
  color: var(--ink-500);
}
.t-tss__tree-icon--college { font-size: 14px; }
.t-tss__tree-icon--major { font-size: 13px; }
.t-tss__tree-icon--class {
  color: oklch(0.62 0.17 260);
  font-size: 8px;
}
.t-tss__tree-node--leaf.is-active .t-tss__tree-icon--class {
  color: oklch(0.42 0.16 260);
}
.t-tss__tree-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.t-tss__tree-name--branch {
  font-weight: 500;
  color: var(--ink-800);
}
.t-tss__tree-count {
  background: var(--ink-100);
  color: var(--ink-600);
  padding: 0 6px;
  border-radius: 999px;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  height: 16px;
  line-height: 16px;
  flex: none;
}
.t-tss__tree-node--leaf.is-active .t-tss__tree-count {
  background: oklch(0.62 0.17 260);
  color: white;
}
.t-tss__hl {
  background: oklch(0.92 0.16 75);
  color: oklch(0.30 0.16 50);
  padding: 0 2px;
  border-radius: 2px;
}

/* List side */
.t-tss__list {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--ink-0);
}
.t-tss__list-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--ink-150);
  background: var(--ink-25);
}
.t-tss__list-path {
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--ink-800);
  font-weight: 500;
}
.t-tss__list-body {
  flex: 1;
  overflow-y: auto;
}
.t-tss__list-body tr.is-picked-row {
  background: oklch(0.97 0.03 260);
}
.t-tss__list-body tr.is-picked-row:hover td {
  background: oklch(0.95 0.04 260);
}

.t-tss__footer-info {
  margin-right: auto;
  display: inline-flex;
  align-items: center;
  font-size: 13px;
}

.t-tab-content { min-height: 400px; }

.t-rpt-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 680px;
  max-width: 100vw;
  background: var(--ink-0);
  z-index: 200;
  display: flex;
  flex-direction: column;
  box-shadow: -16px 0 48px rgba(20,28,50,0.14);
  animation: drawer-in 0.22s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.t-rpt-drawer__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--ink-150);
  flex: none;
  gap: 12px;
}
.t-rpt-drawer__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  display: flex;
  align-items: center;
  gap: 8px;
}
.t-rpt-drawer__sub {
  font-size: 12.5px;
  color: var(--ink-500);
  margin-top: 4px;
}
.t-rpt-drawer__preview {
  flex: 1;
  overflow-y: auto;
  background: var(--ink-50);
  display: flex;
  flex-direction: column;
}
.t-rpt-drawer__file-bar {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--ink-0);
  border-bottom: 1px solid var(--ink-150);
}
.t-rpt-drawer__file-icon {
  width: 36px; height: 36px;
  border-radius: 6px;
  background: oklch(0.95 0.05 260);
  color: oklch(0.47 0.17 260);
  display: grid; place-items: center;
  flex: none;
}
.t-rpt-drawer__file-name {
  font-weight: 500;
  color: var(--ink-900);
  font-size: 13.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.t-rpt-drawer__file-meta {
  font-size: 11.5px;
  color: var(--ink-500);
  margin-top: 2px;
  font-family: var(--font-num);
}
.t-rpt-drawer__preview-body {
  flex: 1;
  padding: 18px 22px;
}

/* PDF preview mock */
.t-rpt-pdf {
  max-width: 540px;
  margin: 0 auto;
}
.t-rpt-pdf__page {
  background: var(--ink-0);
  border: 1px solid var(--ink-150);
  border-radius: 4px;
  padding: 30px 36px;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  box-shadow: 0 1px 3px rgba(20, 28, 50, 0.04);
  position: relative;
  min-height: 340px;
}
.t-rpt-pdf__page-num {
  position: absolute;
  top: 10px; right: 14px;
  font-size: 10.5px;
  color: var(--ink-400);
  font-family: var(--font-num);
}

/* Word doc placeholder */
.t-rpt-doc {
  background: var(--ink-0);
  border: 1px dashed var(--ink-200);
  border-radius: 8px;
  padding: 60px 24px;
  text-align: center;
}
.t-rpt-doc__hint {
  color: var(--ink-500);
}

/* Footer: grade form / graded view */
.t-rpt-drawer__footer {
  flex: none;
  border-top: 1px solid var(--ink-150);
  background: var(--ink-0);
  padding: 14px 22px 18px;
  max-height: 50%;
  overflow-y: auto;
}
.t-rpt-drawer__grade-head,
.t-rpt-drawer__graded-head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-700);
  margin-bottom: 12px;
}
.t-rpt-drawer__graded {
  background: oklch(0.97 0.03 145);
  border: 1px solid oklch(0.88 0.06 145);
  border-radius: 8px;
  padding: 12px 16px;
}
.t-rpt-drawer__graded-head {
  color: oklch(0.40 0.13 145);
  margin-bottom: 8px;
}
.t-rpt-drawer__graded-body {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.t-rpt-drawer__graded-score {
  flex: none;
  padding-right: 16px;
  border-right: 1px solid oklch(0.88 0.06 145);
  display: flex;
  align-items: baseline;
}
.t-rpt-drawer__graded-comment {
  flex: 1;
  min-width: 0;
}
.t-rpt-drawer__graded-label {
  font-size: 11.5px;
  color: var(--ink-500);
  margin-bottom: 4px;
}
.t-rpt-drawer__graded-text {
  font-size: 13px;
  color: var(--ink-800);
  line-height: 1.6;
  word-wrap: break-word;
}
.t-rpt-drawer__graded-tip {
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--ink-500);
  padding-top: 8px;
  border-top: 1px dashed oklch(0.88 0.06 145);
}

/* ================= AI 流程设计 ================= */
.btn--danger { background: oklch(0.58 0.20 25) !important; }
.btn--danger:hover { background: oklch(0.53 0.20 25) !important; }

/* ---- 列表页：左手册 + 右列表 ---- */
.flow-list-page { padding: 0; }
.flow-layout { display: grid; grid-template-columns: 1fr 3fr; gap: 0; min-height: calc(100vh - 60px); }
.flow-top { margin-bottom: 16px; }
.flow-manual { border-right: 1px solid var(--ink-150); background: var(--ink-25); padding: 20px 20px 32px; overflow-y: auto; }
.flow-manual__head { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--ink-900); margin-bottom: 16px; }
.flow-manual__head svg { color: oklch(0.62 0.17 260); }
.flow-manual__sec { margin-bottom: 20px; }
.flow-manual__t { font-size: 13px; font-weight: 600; color: var(--ink-800); margin-bottom: 7px; display: flex; align-items: center; gap: 7px; }
.flow-manual__t::before { content: ""; width: 3px; height: 13px; background: oklch(0.62 0.17 260); border-radius: 2px; }
.flow-manual__p { font-size: 12.5px; color: var(--ink-600); line-height: 1.65; margin: 0; }
.flow-manual__list { margin: 0; padding-left: 18px; font-size: 12.5px; color: var(--ink-600); line-height: 1.7; }
.flow-manual__list li { margin-bottom: 3px; }
.flow-main { padding: 20px 24px 32px; min-width: 0; overflow-y: auto; }

.flow-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
.flow-card { background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 12px; padding: 16px; transition: box-shadow 0.15s, border-color 0.15s; display: flex; flex-direction: column; }
.flow-card:hover { box-shadow: var(--shadow-md); border-color: var(--ink-200); }
.flow-card__top { display: flex; align-items: flex-start; gap: 11px; margin-bottom: 11px; }
.flow-card__icon { width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; flex: none; }
.flow-card__name-wrap { flex: 1; min-width: 0; }
.flow-card__name { font-size: 14.5px; font-weight: 600; color: var(--ink-900); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flow-card__time { font-size: 11.5px; color: var(--ink-500); margin-top: 3px; }
.flow-st { flex: none; }
.flow-st--pub { background: oklch(0.96 0.06 145); color: oklch(0.40 0.13 145); }
.flow-st--pub .status-badge__dot { background: var(--success-500); }
.flow-st--dis { background: var(--ink-100); color: var(--ink-600); }
.flow-st--dis .status-badge__dot { background: var(--ink-500); }
.flow-card__desc { font-size: 12.5px; color: var(--ink-600); line-height: 1.55; margin-bottom: 12px; min-height: 38px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.flow-card__inputs { display: flex; align-items: center; gap: 8px; padding: 9px 10px; background: var(--ink-25); border-radius: 8px; margin-bottom: 12px; }
.flow-card__inputs-label { font-size: 11px; color: var(--ink-500); flex: none; }
.flow-card__tags { display: flex; gap: 5px; flex-wrap: nowrap; overflow: hidden; min-width: 0; }
.flow-input-tag { font-size: 11px; padding: 2px 7px; border-radius: 5px; background: var(--ink-0); border: 1px solid var(--ink-150); color: var(--ink-600); white-space: nowrap; flex: none; }
.flow-input-tag--more { color: var(--ink-500); background: var(--ink-100); border-color: transparent; }
.flow-card__foot { display: flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 4px; }

/* ---- 调用代码弹窗 ---- */
.code-tabs { display: flex; align-items: center; gap: 4px; border-bottom: 1px solid var(--ink-150); margin-bottom: 14px; }
.code-tab { background: none; border: none; padding: 8px 16px; font-size: 13px; color: var(--ink-500); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; font-family: ui-monospace, monospace; }
.code-tab.is-active { color: oklch(0.55 0.18 260); border-bottom-color: oklch(0.62 0.17 260); font-weight: 600; }
.code-copy { margin-left: auto; margin-bottom: 6px; }
.code-block { background: oklch(0.22 0.02 260); color: oklch(0.92 0.01 260); padding: 16px; border-radius: 10px; overflow-x: auto; margin: 0; font-size: 12.5px; line-height: 1.65; font-family: ui-monospace, "SF Mono", Menlo, monospace; max-height: 420px; }

/* ---- 通用确认框 ---- */
.confirm-dialog { width: 420px; padding: 22px; }
.confirm-dialog__head { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.confirm-dialog__icon { width: 34px; height: 34px; border-radius: 50%; background: oklch(0.95 0.05 60); color: oklch(0.55 0.15 60); display: grid; place-items: center; flex: none; }
.confirm-dialog__icon.is-danger { background: oklch(0.95 0.05 25); color: oklch(0.58 0.18 25); }
.confirm-dialog__title { font-size: 16px; font-weight: 600; color: var(--ink-900); }
.confirm-dialog__body { font-size: 13.5px; color: var(--ink-700); line-height: 1.6; margin-bottom: 18px; padding-left: 45px; }

.flow-help-link { display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px; color: oklch(0.55 0.18 260); text-decoration: none; }
.flow-help-link:hover { text-decoration: underline; }
.flow-icon-upload { display: flex; align-items: center; gap: 12px; }
.flow-icon-upload__preview { width: 48px; height: 48px; border-radius: 10px; display: grid; place-items: center; flex: none; }

/* ---- 设计页 ---- */
.flow-design .ai-orch__top { gap: 14px; }
.flow-design__name { display: flex; align-items: center; gap: 7px; font-size: 15px; font-weight: 600; color: var(--ink-900); cursor: pointer; padding: 4px 8px; border-radius: 7px; }
.flow-design__name:hover { background: var(--ink-50); }
.flow-design__name-text { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flow-toolbar { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.flow-tool { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 13px; border: 1px solid var(--ink-200); background: var(--ink-0); border-radius: 8px; font-size: 13px; color: var(--ink-700); cursor: pointer; transition: all 0.12s; }
.flow-tool:hover:not(:disabled) { border-color: var(--ink-300); background: var(--ink-25); }
.flow-tool:disabled { opacity: 0.45; cursor: not-allowed; }
.flow-tool--primary { background: oklch(0.62 0.17 260); border-color: oklch(0.62 0.17 260); color: #fff; }
.flow-tool--primary:hover:not(:disabled) { background: oklch(0.55 0.18 260); border-color: oklch(0.55 0.18 260); }
.flow-tool--warn { border-color: oklch(0.80 0.10 60); color: oklch(0.48 0.14 60); }
.flow-problem-wrap { position: relative; }
.flow-problem-badge { display: inline-grid; place-items: center; min-width: 16px; height: 16px; padding: 0 4px; border-radius: 999px; background: oklch(0.58 0.18 25); color: #fff; font-size: 10.5px; font-weight: 600; }

/* 画布 */
.flow-canvas { flex: 1; position: relative; overflow: hidden; background: var(--ink-25); background-image: radial-gradient(var(--ink-200) 1px, transparent 1px); background-size: 22px 22px; cursor: grab; }
.flow-canvas:active { cursor: grabbing; }
.flow-canvas__tools { position: absolute; top: 16px; left: 16px; z-index: 5; }
.flow-add-node { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 15px; border: 1px solid oklch(0.62 0.17 260); background: var(--ink-0); border-radius: 9px; font-size: 13px; font-weight: 500; color: oklch(0.55 0.18 260); cursor: pointer; box-shadow: var(--shadow-sm); }
.flow-add-node:hover:not(:disabled) { background: oklch(0.98 0.02 260); }
.flow-add-node:disabled { opacity: 0.5; cursor: not-allowed; }
.flow-canvas__hint { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); z-index: 5; font-size: 11.5px; color: var(--ink-500); background: var(--ink-0); padding: 5px 12px; border-radius: 999px; box-shadow: var(--shadow-sm); white-space: nowrap; }
.flow-canvas__inner { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.flow-edges { position: absolute; top: 0; left: 0; overflow: visible; pointer-events: none; }
.flow-edge { fill: none; stroke: var(--ink-300); stroke-width: 2; }

.flow-node { position: absolute; background: var(--ink-0); border: 1.5px solid var(--ink-200); border-radius: 11px; box-shadow: var(--shadow-sm); cursor: grab; user-select: none; transition: box-shadow 0.12s; overflow: hidden; }
.flow-node:hover { box-shadow: var(--shadow-md); }
.flow-node.is-sel { box-shadow: 0 0 0 3px oklch(0.62 0.17 260 / 0.18), var(--shadow-md); }
.flow-node:active { cursor: grabbing; }
.flow-node__bar { height: 4px; width: 100%; }
.flow-node__main { display: flex; align-items: center; gap: 10px; padding: 11px 12px; }
.flow-node__icon { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; flex: none; }
.flow-node__text { flex: 1; min-width: 0; }
.flow-node__name { font-size: 13.5px; font-weight: 600; color: var(--ink-900); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flow-node__type { font-size: 11px; color: var(--ink-500); margin-top: 1px; }
.flow-node__cfg { width: 24px; height: 24px; border-radius: 6px; border: none; background: none; color: var(--ink-400); cursor: pointer; display: grid; place-items: center; flex: none; }
.flow-node__cfg:hover { background: var(--ink-100); color: var(--ink-700); }
.flow-node__port { position: absolute; top: 50%; width: 9px; height: 9px; border-radius: 50%; background: var(--ink-0); border: 2px solid var(--ink-300); transform: translateY(-50%); }
.flow-node__port--in { left: -5px; }
.flow-node__port--out { right: -5px; }

/* 添加节点弹窗 */
.add-node-body { max-height: 60vh; overflow-y: auto; }
.add-node-group { margin-bottom: 16px; }
.add-node-group__title { font-size: 12px; font-weight: 600; color: var(--ink-500); margin-bottom: 9px; }
.add-node-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.add-node-item { display: flex; align-items: center; gap: 10px; padding: 10px 11px; border: 1px solid var(--ink-150); border-radius: 9px; cursor: pointer; transition: all 0.12s; }
.add-node-item:hover { border-color: oklch(0.62 0.17 260); background: oklch(0.98 0.02 260); }
.add-node-item__ico { width: 30px; height: 30px; border-radius: 7px; display: grid; place-items: center; flex: none; }
.add-node-item__name { font-size: 13px; font-weight: 500; color: var(--ink-800); flex: 1; }
.add-node-item__doc { color: var(--ink-400); display: inline-flex; }
.add-node-item__doc:hover { color: oklch(0.55 0.18 260); }

/* 问题清单气泡 */
.problems-pop { position: absolute; top: calc(100% + 8px); right: 0; width: 320px; background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 12px; box-shadow: var(--shadow-lg); z-index: 30; overflow: hidden; }
.problems-pop__head { padding: 12px 16px; font-size: 13.5px; font-weight: 600; color: var(--ink-900); border-bottom: 1px solid var(--ink-100); }
.problems-pop__empty { padding: 24px 16px; text-align: center; font-size: 13px; color: var(--ink-500); }
.problems-pop__list { max-height: 320px; overflow-y: auto; padding: 6px; }
.problem-item { width: 100%; text-align: left; background: none; border: none; padding: 9px 10px; border-radius: 8px; cursor: pointer; display: flex; flex-direction: column; gap: 5px; }
.problem-item:hover { background: var(--ink-50); }
.problem-item__node { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500; color: var(--ink-800); }
.problem-item__ico { width: 20px; height: 20px; border-radius: 5px; display: grid; place-items: center; flex: none; }
.problem-item__issues { display: flex; flex-direction: column; gap: 2px; padding-left: 27px; }
.problem-issue { font-size: 11.5px; color: oklch(0.52 0.15 50); display: inline-flex; align-items: center; }

/* ---- 节点设置抽屉 ---- */
.node-drawer-mask { position: fixed; inset: 0; z-index: 40; }
.node-drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 460px; background: var(--ink-0); z-index: 41; display: flex; flex-direction: column; box-shadow: -16px 0 48px rgba(20,28,50,0.14); animation: drawer-in 0.22s cubic-bezier(0.2,0.7,0.2,1); }
.node-drawer__head { display: flex; align-items: center; gap: 11px; padding: 14px 18px; border-bottom: 1px solid var(--ink-150); flex: none; }
.node-drawer__icon { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; flex: none; }
.node-drawer__title-wrap { flex: 1; min-width: 0; }
.node-drawer__title { display: flex; align-items: center; gap: 7px; font-size: 15px; font-weight: 600; color: var(--ink-900); }
.node-drawer__rename { background: none; border: none; color: var(--ink-400); cursor: pointer; padding: 2px; display: inline-flex; }
.node-drawer__rename:hover { color: oklch(0.55 0.18 260); }
.node-drawer__type { font-size: 11.5px; color: var(--ink-500); margin-top: 1px; }
.node-drawer__doc { color: var(--ink-400); display: inline-flex; padding: 4px; }
.node-drawer__doc:hover { color: oklch(0.55 0.18 260); }
.node-drawer__body { flex: 1; overflow-y: auto; padding: 16px 18px 40px; }
.node-empty { padding: 40px 0; text-align: center; color: var(--ink-500); font-size: 13px; }

.node-field { margin-bottom: 18px; }
.node-field__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; min-height: 24px; }
.node-field__label { font-size: 13px; font-weight: 600; color: var(--ink-800); }
.node-field__hint { font-size: 11.5px; color: var(--ink-500); margin: -4px 0 8px; line-height: 1.5; }
.node-desc { min-height: 52px; }
.node-mini-btn { display: inline-flex; align-items: center; gap: 4px; height: 26px; padding: 0 9px; border: 1px solid var(--ink-200); background: var(--ink-0); border-radius: 6px; font-size: 12px; color: var(--ink-600); cursor: pointer; text-decoration: none; }
.node-mini-btn:hover { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); }
.node-icon-mini { width: 28px; height: 28px; border: 1px solid var(--ink-200); background: var(--ink-0); border-radius: 6px; color: var(--ink-500); cursor: pointer; display: grid; place-items: center; }
.node-icon-mini:hover { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); }
.node-add-btn { display: inline-flex; align-items: center; gap: 5px; height: 30px; padding: 0 11px; border: 1px dashed var(--ink-250, var(--ink-300)); background: var(--ink-0); border-radius: 7px; font-size: 12.5px; color: var(--ink-600); cursor: pointer; margin-top: 6px; }
.node-add-btn:hover { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); }
.node-note { font-size: 11.5px; color: var(--ink-500); margin-top: 7px; display: flex; align-items: flex-start; }
.inline-num { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-700); }

/* 变量表 */
.var-table { display: flex; flex-direction: column; gap: 6px; }
.var-table__head { display: grid; grid-template-columns: 1fr 1fr 24px; gap: 8px; font-size: 11px; color: var(--ink-500); padding: 0 2px; }
.var-table__empty { font-size: 12px; color: var(--ink-400); padding: 8px 0; }
.var-table__row { display: grid; grid-template-columns: 1fr 1fr 24px; gap: 8px; align-items: center; }
.var-table__row--fixed { grid-template-columns: 1fr 1.4fr; }
.var-input { height: 32px; border: 1px solid var(--ink-200); border-radius: 7px; padding: 0 10px; font-size: 12.5px; color: var(--ink-800); width: 100%; background: var(--ink-0); }
.var-input:focus { outline: none; border-color: oklch(0.62 0.17 260); }
.var-input[readonly] { background: var(--ink-50); color: var(--ink-600); }
.var-fixed-tip { font-size: 11.5px; color: var(--ink-500); }
.var-type-badge { font-size: 10.5px; color: oklch(0.45 0.12 258); background: oklch(0.95 0.04 258); padding: 2px 7px; border-radius: 4px; justify-self: start; }
.var-del { width: 24px; height: 24px; border: none; background: none; color: var(--ink-400); cursor: pointer; display: grid; place-items: center; border-radius: 5px; }
.var-del:hover { background: oklch(0.95 0.04 25); color: oklch(0.62 0.17 260); }

.slash-area { line-height: 1.6; }

/* 是/否开关 */
.yn-switch { display: inline-flex; border: 1px solid var(--ink-200); border-radius: 8px; overflow: hidden; }
.yn-switch__opt { padding: 7px 22px; font-size: 13px; background: var(--ink-0); border: none; cursor: pointer; color: var(--ink-600); }
.yn-switch--sm .yn-switch__opt { padding: 4px 14px; font-size: 12px; }
.yn-switch__opt.is-active { background: oklch(0.62 0.17 260); color: #fff; }

/* 分段选择 */
.seg-radio { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.seg-radio__item { padding: 6px 13px; font-size: 12.5px; border: 1px solid var(--ink-200); background: var(--ink-0); border-radius: 7px; cursor: pointer; color: var(--ink-600); }
.seg-radio__item.is-active { border-color: oklch(0.62 0.17 260); background: oklch(0.97 0.03 260); color: oklch(0.47 0.17 260); font-weight: 500; }

/* 知识库节点 */
.kb-param-box { background: var(--ink-25); border: 1px solid var(--ink-150); border-radius: 9px; padding: 12px; margin-bottom: 10px; display: flex; flex-direction: column; gap: 12px; }
.kb-param-row { display: flex; align-items: center; gap: 10px; }
.kb-param-label { font-size: 12.5px; color: var(--ink-700); width: 78px; flex: none; }
.kb-range { flex: 1; accent-color: oklch(0.62 0.17 260); }
.kb-add-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; padding: 6px; background: var(--ink-25); border: 1px solid var(--ink-150); border-radius: 9px; }
.kb-add-opt { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 7px; font-size: 12.5px; color: var(--ink-700); cursor: pointer; text-align: left; }
.kb-add-opt:hover { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); }
.kb-chip-list { display: flex; flex-direction: column; gap: 7px; }
.kb-chip-card { display: flex; align-items: center; gap: 9px; padding: 9px 11px; border: 1px solid var(--ink-150); border-radius: 8px; background: var(--ink-0); }
.kb-chip-card__ico { width: 26px; height: 26px; border-radius: 6px; display: grid; place-items: center; flex: none; }
.kb-chip-card__name { flex: 1; font-size: 12.5px; color: var(--ink-800); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kb-chip-card__x { width: 22px; height: 22px; border: none; background: none; color: var(--ink-400); cursor: pointer; display: grid; place-items: center; border-radius: 5px; }
.kb-chip-card__x:hover { background: oklch(0.95 0.04 25); color: oklch(0.62 0.17 260); }

/* HTTP */
.http-api-row { display: flex; gap: 8px; }
.http-method { font-family: ui-monospace, monospace; font-weight: 600; }

/* 分类 / 开关分支 */
.branch-list { display: flex; flex-direction: column; gap: 10px; }
.cat-item, .switch-branch { border: 1px solid var(--ink-150); border-radius: 9px; padding: 11px; background: var(--ink-25); }
.cat-item__head, .switch-branch__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.cat-item__title { font-size: 12.5px; font-weight: 600; color: var(--ink-700); }
.cat-else { color: var(--ink-500); }
.cat-item--else { background: var(--ink-50); }
.cat-else-desc { font-size: 12px; color: var(--ink-500); }
.branch-kind { font-size: 11.5px; font-weight: 700; font-family: ui-monospace, monospace; padding: 2px 9px; border-radius: 5px; }
.branch-kind--if { background: oklch(0.94 0.06 145); color: oklch(0.40 0.13 145); }
.branch-kind--elif { background: oklch(0.94 0.05 258); color: oklch(0.42 0.16 258); }
.branch-kind--else { background: var(--ink-150); color: var(--ink-600); }
.cond-row { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; }
.cond-row .var-input { min-width: 0; }

/* 子流程 */
.subflow-picked { display: flex; gap: 8px; align-items: center; }

/* 代码编辑器 */
.code-editor { border: 1px solid var(--ink-200); border-radius: 9px; overflow: hidden; }
.code-editor__bar { display: flex; align-items: center; padding: 6px 12px; background: var(--ink-25); border-bottom: 1px solid var(--ink-150); }
.code-editor__lang { font-size: 11.5px; font-weight: 600; color: var(--ink-500); font-family: ui-monospace, monospace; }
.code-editor__area { width: 100%; min-height: 160px; border: none; outline: none; resize: vertical; padding: 12px 14px; font-size: 12.5px; line-height: 1.6; color: var(--ink-800); font-family: ui-monospace, "SF Mono", Menlo, monospace; background: var(--ink-0); }

/* ---- 调试抽屉 ---- */
.debug-drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 600px; max-width: 96vw; background: var(--ink-0); z-index: 41; display: flex; flex-direction: column; box-shadow: -16px 0 48px rgba(20,28,50,0.14); animation: drawer-in 0.22s cubic-bezier(0.2,0.7,0.2,1); }
.debug-drawer__head { display: flex; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--ink-150); flex: none; }
.debug-drawer__title { font-size: 15px; font-weight: 600; color: var(--ink-900); flex: 1; }
.debug-tabs { display: flex; gap: 2px; padding: 0 18px; border-bottom: 1px solid var(--ink-150); flex: none; }
.debug-tab { background: none; border: none; padding: 11px 16px; font-size: 13.5px; color: var(--ink-500); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.debug-tab.is-active { color: oklch(0.55 0.18 260); border-bottom-color: oklch(0.62 0.17 260); font-weight: 500; }
.debug-drawer__body { flex: 1; overflow-y: auto; }
.debug-pane { padding: 18px; }
.debug-hint { font-size: 13px; color: var(--ink-600); background: var(--ink-25); border: 1px solid var(--ink-150); border-radius: 8px; padding: 11px 13px; margin-bottom: 14px; }
.debug-params { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.debug-actions { display: flex; gap: 10px; }
.debug-empty { padding: 60px 18px; text-align: center; color: var(--ink-500); font-size: 13px; display: flex; align-items: center; justify-content: center; }
.debug-status { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500; padding: 5px 13px; border-radius: 999px; margin-bottom: 16px; }
.debug-status--running { background: oklch(0.96 0.05 250); color: oklch(0.45 0.13 250); }
.debug-status--success { background: oklch(0.95 0.06 145); color: oklch(0.40 0.13 145); }
.debug-status--success .status-badge__dot { background: var(--success-500); }
.debug-status--failed { background: oklch(0.95 0.05 25); color: oklch(0.52 0.18 25); }
.debug-status--failed .status-badge__dot { background: oklch(0.58 0.18 25); }
.debug-info { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.debug-info__row { display: flex; gap: 12px; font-size: 13px; }
.debug-info__k { color: var(--ink-500); width: 72px; flex: none; }
.debug-info__v { color: var(--ink-800); }
.debug-block { margin-bottom: 16px; }
.debug-block__t { font-size: 12.5px; font-weight: 600; color: var(--ink-700); margin-bottom: 7px; }
.debug-json { background: oklch(0.22 0.02 260); color: oklch(0.90 0.01 260); padding: 12px 14px; border-radius: 8px; overflow-x: auto; margin: 0; font-size: 12px; line-height: 1.6; font-family: ui-monospace, monospace; white-space: pre-wrap; word-break: break-word; }
.debug-json--sm { font-size: 11.5px; padding: 9px 11px; }
.trace-list { display: flex; flex-direction: column; }
.trace-item { display: flex; gap: 12px; }
.trace-item__line { display: flex; flex-direction: column; align-items: center; flex: none; }
.trace-item__icon { width: 28px; height: 28px; border-radius: 7px; display: grid; place-items: center; flex: none; }
.trace-item__connector { width: 2px; flex: 1; background: var(--ink-200); margin: 4px 0; min-height: 16px; }
.trace-item__body { flex: 1; min-width: 0; padding-bottom: 18px; }
.trace-item__head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.trace-item__name { font-size: 13.5px; font-weight: 600; color: var(--ink-900); }
.trace-item__cost { font-size: 11.5px; color: var(--ink-500); font-family: var(--font-num, ui-monospace); }
.trace-io { margin-bottom: 7px; }
.trace-io__label { font-size: 11px; color: var(--ink-500); margin-bottom: 4px; }
.debug-result-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.debug-result-text { font-size: 13.5px; color: var(--ink-800); line-height: 1.75; white-space: pre-wrap; background: var(--ink-25); border: 1px solid var(--ink-150); border-radius: 10px; padding: 16px; }

/* ---- 实验详情 · 环境信息自动检测项 ---- */
.detail-score-sum { font-size: 12px; font-weight: 500; padding: 2px 9px; border-radius: 999px; }
.detail-score-sum.is-ok { background: oklch(0.95 0.06 145); color: oklch(0.40 0.13 145); }
.detail-score-sum.is-warn { background: oklch(0.96 0.06 60); color: oklch(0.48 0.14 50); }
.detail-noauto { font-size: 11.5px; color: var(--ink-500); }
.detail-check-wrap { margin-top: 10px; border: 1px solid var(--ink-150); border-radius: 8px; overflow: hidden; background: var(--ink-0); }
.detail-check-table { width: 100%; border-collapse: collapse; }
.detail-check-table th { text-align: left; font-size: 11px; font-weight: 500; color: var(--ink-500); padding: 8px 12px; background: var(--ink-25); border-bottom: 1px solid var(--ink-100); }
.detail-check-table td { padding: 9px 12px; font-size: 13px; color: var(--ink-800); border-bottom: 1px solid var(--ink-100); vertical-align: top; }
.detail-check-table tbody tr:last-child td { border-bottom: 1px solid var(--ink-100); }
.detail-check-name { font-weight: 500; color: var(--ink-900); }
.detail-check-desc { font-size: 11.5px; color: var(--ink-500); margin-top: 2px; line-height: 1.45; }
.detail-check-table tfoot td { background: var(--ink-25); font-size: 12.5px; color: var(--ink-700); border-bottom: none; }

/* ================= MCP 配置 ================= */
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.mcp-detail__title { font-size: 15px; font-weight: 600; color: var(--ink-900); margin-left: 4px; }

/* 列表卡片 */
.mcp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
.mcp-card { background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 12px; padding: 16px; cursor: pointer; transition: box-shadow 0.15s, border-color 0.15s; display: flex; flex-direction: column; }
.mcp-card:hover { box-shadow: var(--shadow-md); border-color: var(--ink-200); }
.mcp-card__top { display: flex; align-items: center; gap: 11px; margin-bottom: 11px; }
.mcp-card__icon { width: 40px; height: 40px; border-radius: 10px; background: var(--ink-50); display: grid; place-items: center; font-size: 21px; flex: none; }
.mcp-card__head { flex: 1; min-width: 0; }
.mcp-card__name-row { display: flex; align-items: center; gap: 7px; }
.mcp-card__name { font-size: 14.5px; font-weight: 600; color: var(--ink-900); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mcp-card__status-row { margin-top: 4px; }
.mcp-type-tag { font-size: 10.5px; font-weight: 600; padding: 1px 7px; border-radius: 4px; flex: none; }
.mcp-type-tag--mcp { background: oklch(0.94 0.05 258); color: oklch(0.42 0.16 258); }
.mcp-type-tag--plugin { background: oklch(0.94 0.05 160); color: oklch(0.40 0.13 160); }
.mcp-state { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 500; }
.mcp-state--on { color: oklch(0.45 0.13 145); }
.mcp-state--on .status-badge__dot { background: var(--success-500); }
.mcp-state--off { color: var(--ink-500); }
.mcp-state--off .status-badge__dot { background: var(--ink-400); }
.mcp-state--expired { color: oklch(0.62 0.17 260); background: oklch(0.96 0.05 25); padding: 1px 8px; border-radius: 4px; }
.mcp-card__desc { font-size: 12.5px; color: var(--ink-600); line-height: 1.55; margin-bottom: 12px; min-height: 38px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mcp-card__foot { display: flex; align-items: center; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--ink-100); }
.mcp-card__tools { font-size: 12px; color: var(--ink-500); }
.mcp-card__actions { margin-left: auto; display: flex; gap: 4px; }
.switch--sm { width: 30px; height: 17px; }
.switch--sm::after { width: 13px; height: 13px; }
.switch--sm.switch--on::after { transform: translateX(13px); }

/* 图标选择 */
.mcp-icon-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.mcp-icon-opt { width: 40px; height: 40px; border: 1px solid var(--ink-200); border-radius: 9px; background: var(--ink-0); font-size: 20px; cursor: pointer; display: grid; place-items: center; }
.mcp-icon-opt.is-active { border-color: oklch(0.62 0.17 260); background: oklch(0.98 0.02 260); box-shadow: 0 0 0 2px oklch(0.62 0.17 260 / 0.15); }
.mcp-icon-upload { display: flex; align-items: center; gap: 8px; padding: 14px; border: 1.5px dashed var(--ink-200); border-radius: 9px; color: var(--ink-500); font-size: 13px; cursor: pointer; justify-content: center; }
.mcp-icon-upload:hover { border-color: oklch(0.62 0.17 260); }

/* 详情页 */
.mcp-detail-body { flex: 1; overflow-y: auto; padding: 20px 24px; }
.mcp-detail-head { display: flex; align-items: flex-start; gap: 14px; padding: 18px; margin-bottom: 18px; }
.mcp-detail-head__icon { width: 52px; height: 52px; border-radius: 12px; background: var(--ink-50); display: grid; place-items: center; font-size: 28px; flex: none; }
.mcp-detail-head__main { flex: 1; min-width: 0; }
.mcp-detail-head__name-row { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.mcp-detail-head__name { font-size: 17px; font-weight: 600; color: var(--ink-900); }
.mcp-detail-head__desc { font-size: 13px; color: var(--ink-600); margin-top: 7px; line-height: 1.6; }
.mcp-tools-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.mcp-tools-bar__title { font-size: 14px; font-weight: 600; color: var(--ink-900); }

.mcp-tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.mcp-tool-card { background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; }
.mcp-tool-card:hover { border-color: var(--ink-200); box-shadow: var(--shadow-sm); }
.mcp-tool-card__top { display: flex; align-items: center; gap: 9px; margin-bottom: 8px; }
.mcp-tool-card__name { font-size: 13.5px; font-weight: 600; color: var(--ink-900); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.http-method-tag { font-size: 10px; font-weight: 700; font-family: ui-monospace, monospace; padding: 2px 7px; border-radius: 4px; flex: none; }
.http-method-tag--get { background: oklch(0.94 0.06 150); color: oklch(0.40 0.13 150); }
.http-method-tag--post { background: oklch(0.94 0.06 250); color: oklch(0.42 0.15 250); }
.http-method-tag--put { background: oklch(0.95 0.07 70); color: oklch(0.45 0.14 60); }
.http-method-tag--delete { background: oklch(0.95 0.06 25); color: oklch(0.52 0.18 25); }
.mcp-tool-card__path { font-size: 12px; color: var(--ink-600); background: var(--ink-25); padding: 5px 9px; border-radius: 6px; margin-bottom: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mcp-tool-card__desc { font-size: 12.5px; color: var(--ink-600); line-height: 1.5; margin-bottom: 10px; flex: 1; }
.mcp-tool-card__foot { display: flex; align-items: center; padding-top: 8px; border-top: 1px solid var(--ink-100); min-height: 34px; }
.tool-status-pill { font-size: 10.5px; font-weight: 500; padding: 2px 8px; border-radius: 999px; }
.tool-status-pill--pub { background: oklch(0.95 0.06 145); color: oklch(0.40 0.13 145); }

/* 工具弹窗 */
.mcp-tool-modal { width: min(720px, 94vw); max-height: 92vh; display: flex; flex-direction: column; }
.mcp-tool-modal__body { overflow-y: auto; }
.mcp-section-title { font-size: 13px; font-weight: 600; color: var(--ink-800); margin: 18px 0 12px; padding-bottom: 7px; border-bottom: 1px solid var(--ink-100); }
.param-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.param-tpl-btns { display: flex; gap: 6px; }
.param-tpl-btn { font-size: 11.5px; padding: 3px 10px; border: 1px solid var(--ink-200); background: var(--ink-0); border-radius: 6px; color: var(--ink-600); cursor: pointer; }
.param-tpl-btn:hover { border-color: oklch(0.62 0.17 260); color: oklch(0.55 0.18 260); }
.param-area { min-height: 110px; font-size: 12px; line-height: 1.55; }

.mcp-test-box { background: var(--ink-25); border: 1px solid var(--ink-150); border-radius: 10px; padding: 14px; }
.mcp-test-url { display: flex; align-items: center; gap: 10px; }
.mcp-test-url__label { font-size: 12px; color: var(--ink-500); flex: none; }
.mcp-test-url__val { font-size: 12.5px; color: var(--ink-800); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mcp-test-sensitive { margin-top: 12px; }
.mcp-test-sensitive__label { font-size: 12px; color: var(--ink-600); margin-bottom: 6px; }
.mcp-test-note { font-size: 11.5px; color: var(--ink-500); margin-top: 8px; }

/* ================= AI 模型配置 ================= */
.prov-badge { border-radius: 11px; display: inline-grid; place-items: center; font-weight: 700; font-family: ui-monospace, monospace; flex: none; letter-spacing: 0.5px; }

/* 模型列表 */
.model-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.model-card { background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 12px; padding: 16px; cursor: pointer; transition: box-shadow 0.15s, border-color 0.15s; }
.model-card:hover { box-shadow: var(--shadow-md); border-color: var(--ink-200); }
.model-card__top { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.model-card__main { flex: 1; min-width: 0; }
.model-card__name { font-size: 14.5px; font-weight: 600; color: var(--ink-900); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.model-card__type { display: inline-block; margin-top: 4px; font-size: 11px; padding: 1px 8px; border-radius: 4px; background: oklch(0.95 0.04 285); color: oklch(0.45 0.16 285); }
.model-card__actions { display: flex; gap: 4px; opacity: 0; transition: opacity 0.12s; }
.model-card:hover .model-card__actions { opacity: 1; }
.model-card__meta { display: grid; grid-template-columns: 64px 1fr; gap: 7px 12px; margin: 0; padding-top: 12px; border-top: 1px solid var(--ink-100); }
.model-card__meta dt { font-size: 12px; color: var(--ink-500); }
.model-card__meta dd { font-size: 12.5px; color: var(--ink-800); margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 供应商选择 */
.provider-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.provider-card { background: var(--ink-0); border: 1px solid var(--ink-150); border-radius: 12px; padding: 26px 18px; display: flex; flex-direction: column; align-items: center; gap: 12px; cursor: pointer; transition: all 0.15s; }
.provider-card:hover { box-shadow: var(--shadow-md); border-color: oklch(0.62 0.17 260); transform: translateY(-2px); }
.provider-card__name { font-size: 14.5px; font-weight: 600; color: var(--ink-900); }

/* 模型弹窗 */
.model-modal { width: min(620px, 94vw); max-height: 92vh; display: flex; flex-direction: column; }
.model-modal__body { overflow-y: auto; }
.model-modal__prov { display: inline-flex; align-items: center; gap: 6px; margin-left: 12px; font-size: 12.5px; font-weight: 500; color: var(--ink-600); }

/* 高级参数 */
.adv-params { margin-top: 6px; }
.adv-presets { display: inline-flex; gap: 6px; margin-bottom: 14px; }
.adv-preset { padding: 6px 18px; font-size: 13px; border: 1px solid var(--ink-200); background: var(--ink-0); border-radius: 8px; color: var(--ink-600); cursor: pointer; }
.adv-preset.is-active { border-color: oklch(0.62 0.17 260); background: oklch(0.97 0.03 260); color: oklch(0.47 0.17 260); font-weight: 500; }
.adv-list { display: flex; flex-direction: column; gap: 14px; }
.adv-row { border: 1px solid var(--ink-150); border-radius: 9px; padding: 11px 13px; background: var(--ink-25); }
.adv-row.is-off { opacity: 0.6; }
.adv-row__head { display: flex; align-items: center; gap: 9px; margin-bottom: 9px; }
.adv-row__label { font-size: 13px; font-weight: 500; color: var(--ink-800); display: flex; align-items: center; gap: 8px; flex: 1; }
.adv-row__field { font-size: 11px; color: var(--ink-400); font-weight: 400; }
.adv-help { color: var(--ink-400); cursor: help; display: inline-flex; }
.adv-help:hover { color: oklch(0.55 0.18 260); }
.adv-row__ctl { display: flex; align-items: center; gap: 12px; }
.adv-row__ctl .kb-range { flex: 1; }
.adv-num { width: 92px; flex: none; text-align: center; }
.adv-num:disabled { background: var(--ink-100); color: var(--ink-400); cursor: not-allowed; }