:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg: #f3f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-2: #64748b;
  --ok: #16a34a;
  --err: #dc2626;
  --code-bg: #0f172a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", -apple-system, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
/* ===== 整体布局：左侧导航 + 右侧主区 ===== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 208px; flex-shrink: 0; background: var(--card);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.side-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 18px; border-bottom: 1px solid var(--border);
  font-size: 17px; font-weight: 700; color: var(--primary);
}
.side-logo img { width: 30px; height: 30px; border-radius: 8px; }
.side-nav { display: flex; flex-direction: column; flex: 1; padding: 12px 10px; }
.nav-group-title {
  font-size: 12px; color: var(--text-2); padding: 8px 10px 6px;
  letter-spacing: 1px;
}
.side-nav button {
  border: none; background: none; text-align: left; width: 100%;
  padding: 9px 12px; font-size: 14px; cursor: pointer; border-radius: 8px;
  color: var(--text-2); margin-bottom: 2px;
}
.side-nav button:hover { background: #f1f5f9; color: var(--text); }
.side-nav button.active { background: #eff6ff; color: var(--primary); font-weight: 600; }
.nav-bottom { margin-top: auto; border-top: 1px solid var(--border); padding-top: 10px; }

.main-wrap { flex: 1; min-width: 0; display: flex; flex-direction: column; }
header {
  background: var(--card); border-bottom: 1px solid var(--border);
  padding: 0 24px; display: flex; align-items: center; gap: 24px;
  position: sticky; top: 0; z-index: 10; height: 56px;
}
header .page-title { font-size: 15px; font-weight: 600; color: var(--text); }
.cfg-badge {
  margin-left: auto; font-size: 12px; color: var(--text-2);
  display: flex; align-items: center; gap: 6px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #cbd5e1; display: inline-block; }
.dot.ok { background: var(--ok); }
.dot.err { background: var(--err); }

main { max-width: 1440px; width: 100%; margin: 24px auto; padding: 0 20px; }
.page { display: none; }
.page.active { display: block; }
.home-grid { display: grid; grid-template-columns: minmax(380px, 2fr) 3fr; gap: 18px; align-items: start; }
@media (max-width: 960px) { .home-grid { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px 24px; margin-bottom: 18px;
}
.card h2 { font-size: 15px; margin-bottom: 14px; color: var(--text); }
.card h2 .tip { font-size: 12px; font-weight: 400; color: var(--text-2); margin-left: 8px; }

label.field { display: block; margin-bottom: 14px; }
label.field span { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
input[type=text], input[type=password], select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: inherit; color: var(--text); background: #fff;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
textarea { resize: vertical; line-height: 1.6; }
.row { display: flex; gap: 14px; }
.row > * { flex: 1; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 20px; border: none; border-radius: 6px; font-size: 14px; cursor: pointer;
  background: var(--primary); color: #fff; transition: background .15s;
}
.btn:hover { background: var(--primary-hover); }
.btn:disabled { background: #94a3b8; cursor: not-allowed; }
.btn.ghost { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { background: #f8fafc; }
.btn.danger { background: var(--err); }
.btn.small { padding: 4px 12px; font-size: 12px; }

.status-msg { margin-top: 12px; font-size: 13px; padding: 10px 14px; border-radius: 6px; display: none; white-space: pre-wrap; word-break: break-all; }
.status-msg.ok { display: block; background: #f0fdf4; color: var(--ok); border: 1px solid #bbf7d0; }
.status-msg.err { display: block; background: #fef2f2; color: var(--err); border: 1px solid #fecaca; }
.status-msg.info { display: block; background: #eff6ff; color: var(--primary); border: 1px solid #bfdbfe; }

/* 结果渲染区 */
#resultBox {
  min-height: 220px; max-height: 70vh; overflow-y: auto;
  border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px;
  background: #fff; font-size: 14px; line-height: 1.75;
  word-break: break-word; overflow-wrap: anywhere;
}
#resultBox:empty::before { content: "大模型输出将展示在这里…"; color: #94a3b8; }
#resultBox.streaming { border-color: var(--primary); }
#resultBox.streaming::after {
  content: "▍"; color: var(--primary); animation: blink 1s infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* markdown 渲染 */
.md h1, .md h2, .md h3, .md h4 { margin: 16px 0 8px; line-height: 1.4; }
.md h1 { font-size: 20px; } .md h2 { font-size: 17px; } .md h3 { font-size: 15px; }
.md p { margin: 8px 0; }
.md ul, .md ol { margin: 8px 0 8px 22px; }
.md li { margin: 4px 0; }
.md blockquote {
  border-left: 3px solid var(--border); padding: 4px 14px; margin: 10px 0;
  color: var(--text-2); background: #f8fafc; border-radius: 0 6px 6px 0;
}
.md code.inline {
  background: #f1f5f9; color: #be185d; padding: 2px 6px; border-radius: 4px;
  font-family: Consolas, "Courier New", monospace; font-size: 13px;
}
.md table { border-collapse: collapse; margin: 10px 0; width: 100%; }
.md th, .md td { border: 1px solid var(--border); padding: 6px 12px; font-size: 13px; text-align: left; }
.md th { background: #f8fafc; }
.md hr { border: none; border-top: 1px solid var(--border); margin: 14px 0; }
.md strong { color: #0f172a; }

.code-block { margin: 12px 0; border-radius: 8px; overflow: hidden; background: var(--code-bg); }
.code-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 14px; background: #1e293b; color: #94a3b8; font-size: 12px;
}
.code-head .copy-btn {
  background: none; border: 1px solid #475569; color: #cbd5e1; border-radius: 4px;
  padding: 2px 10px; font-size: 12px; cursor: pointer;
}
.code-head .copy-btn:hover { background: #334155; }
.code-block pre {
  padding: 14px 16px; overflow-x: auto; color: #e2e8f0;
  font-family: Consolas, "Courier New", monospace; font-size: 13px; line-height: 1.6;
  white-space: pre-wrap; word-break: break-all; overflow-wrap: anywhere;
}
/* 代码高亮 */
.tok-kw { color: #c084fc; }
.tok-str { color: #86efac; }
.tok-num { color: #fbbf24; }
.tok-com { color: #64748b; font-style: italic; }
.tok-fn { color: #7dd3fc; }

.toolbar { display: flex; gap: 10px; align-items: center; margin-top: 4px; }
.toolbar .meta { font-size: 12px; color: var(--text-2); margin-left: auto; }
.actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* SQL 渲染区 */
#sqlPanel .sql-empty {
  border: 1px dashed var(--border); border-radius: 8px; padding: 18px 20px;
  color: #94a3b8; font-size: 13px; background: #fafbfc;
}
#sqlPanel .code-block { margin: 0; }
#sqlPanel pre { white-space: pre-wrap; word-break: break-all; }

/* 列表（历史 / 模板 / 配置） */
.list-item {
  border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px;
  margin-bottom: 10px; background: #fff;
}
.list-item .title-row { display: flex; align-items: center; gap: 10px; }
.list-item .title { font-size: 14px; font-weight: 600; flex: 1; word-break: break-all; }
.list-item .sub { font-size: 12px; color: var(--text-2); margin-top: 6px; word-break: break-all; }
.list-item .ops { display: flex; gap: 8px; flex-shrink: 0; }
.tag { font-size: 11px; padding: 1px 8px; border-radius: 10px; background: #eff6ff; color: var(--primary); flex-shrink: 0; }
.tag.ok { background: #f0fdf4; color: var(--ok); }
.tag.err { background: #fef2f2; color: var(--err); }
.tag.default { background: #fefce8; color: #a16207; }
.empty-tip { color: #94a3b8; font-size: 13px; padding: 20px 0; text-align: center; }

/* 历史详情弹层 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .45); z-index: 100;
  display: none; align-items: flex-start; justify-content: center; padding: 40px 16px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 10px; width: 100%; max-width: 900px;
  max-height: 85vh; overflow-y: auto; padding: 24px 28px;
}
.modal h3 { font-size: 15px; margin-bottom: 12px; }
.modal .meta-line { font-size: 12px; color: var(--text-2); margin-bottom: 14px; }