/* =========================================================
   法务业务闭环 Agent · UI 设计系统
   设计原则：简洁、干净、易用、操作简单
   - 桌面：左侧固定导航栏 + 主内容区
   - 移动：顶部栏 + 底部标签导航 + 抽屉式侧栏
   ========================================================= */

:root {
  /* 配色：以沉静深蓝传递专业/可信，琥珀金作克制点缀 */
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --line: #e7ebf1;
  --line-strong: #d7dde6;

  --primary: #1f3a5f;
  --primary-2: #2c4f7c;
  --primary-soft: #eef2f8;
  --accent: #c08a2d;       /* 琥珀金，仅用于强调 */
  --accent-soft: #faf3e3;

  --text: #1b2733;
  --muted: #67748a;
  --faint: #93a0b3;

  --ok: #1f9d57;
  --ok-soft: #e8f6ee;
  --warn: #c2740c;
  --warn-soft: #fdf2e2;
  --danger: #d6453d;
  --danger-soft: #fdeceb;

  /* 间距与圆角 */
  --r-sm: 8px;
  --r: 12px;
  --r-lg: 16px;
  --sp: 16px;

  --shadow-sm: 0 1px 2px rgba(20, 35, 60, .06), 0 1px 3px rgba(20, 35, 60, .04);
  --shadow: 0 4px 16px rgba(20, 35, 60, .08);
  --shadow-lg: 0 12px 32px rgba(20, 35, 60, .14);

  --sidebar-w: 248px;
  --bottomnav-h: 60px;
  --topbar-h: 56px;

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
}
h1, h2, h3, h4 { margin: 0 0 .45em; font-weight: 700; color: var(--primary); }
a { color: var(--primary-2); text-decoration: none; }
::selection { background: var(--accent-soft); }

/* ---------- 通用控件 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line-strong); background: var(--surface);
  color: var(--primary); border-radius: var(--r-sm);
  padding: 9px 16px; font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-2); }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--muted); }
.btn.ghost:hover { background: var(--surface-2); color: var(--primary); }
.btn.block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

input, textarea, select {
  width: 100%; margin-top: 6px; padding: 10px 12px;
  border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  font-size: 14px; font-family: inherit; color: var(--text);
  background: var(--surface); transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--primary-2);
  box-shadow: 0 0 0 3px rgba(44, 79, 124, .12);
}
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
label > span { color: var(--text); font-weight: 600; }

.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.field-grid .col-span { grid-column: 1 / -1; }

.hint { font-size: 12.5px; color: var(--muted); margin: 8px 0 0; line-height: 1.5; }
.tag {
  display: inline-block; font-size: 11.5px; line-height: 1;
  background: var(--primary-soft); color: var(--primary-2);
  padding: 4px 9px; border-radius: 999px; margin: 0 6px 6px 0;
}
.tag.ok { background: var(--ok-soft); color: var(--ok); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.tag.danger { background: var(--danger-soft); color: var(--danger); }

/* ============================================================
   布局骨架
   ============================================================ */
.app { display: flex; min-height: 100vh; }

/* ---------- 侧边导航（桌面） ---------- */
.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  background: var(--surface); border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 20px; border-bottom: 1px solid var(--line);
}
.brand .logo {
  width: 40px; height: 40px; border-radius: 11px; flex: 0 0 40px;
  display: grid; place-items: center; font-size: 22px; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}
.brand .name { font-size: 15px; font-weight: 700; color: var(--primary); line-height: 1.25; }
.brand .sub { font-size: 11px; color: var(--faint); }

.nav { padding: 12px 12px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-label { font-size: 11px; color: var(--faint); letter-spacing: .08em; padding: 8px 12px 4px; }
.nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600; color: var(--muted);
  border: none; background: transparent; cursor: pointer; text-align: left; width: 100%;
  font-family: inherit; transition: background .15s, color .15s;
}
.nav-link svg { width: 20px; height: 20px; flex: 0 0 20px; }
.nav-link:hover { background: var(--surface-2); color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-link.active svg { stroke: #fff; }

.sidebar-foot { padding: 14px 16px; border-top: 1px solid var(--line); }
.sidebar-foot .kb-status {
  font-size: 12px; color: var(--muted); background: var(--surface-2);
  border: 1px solid var(--line); border-radius: var(--r-sm); padding: 9px 11px; margin-bottom: 10px;
}
.sidebar-foot select { margin-top: 0; }
.sidebar-foot .row { display: flex; gap: 8px; align-items: center; }
.sidebar-foot .row select { margin-top: 0; flex: 1; }
.sidebar-foot .row .btn { white-space: nowrap; padding: 9px 10px; }

/* ---------- 主区 ---------- */
.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar-mobile {
  display: none; height: var(--topbar-h); align-items: center; gap: 10px;
  padding: 0 14px; background: var(--surface); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 30;
}
.topbar-mobile .hamburger {
  border: none; background: transparent; font-size: 22px; cursor: pointer; color: var(--primary);
  width: 40px; height: 40px; border-radius: 10px;
}
.topbar-mobile .hamburger:hover { background: var(--surface-2); }
.topbar-mobile .title { font-weight: 700; color: var(--primary); font-size: 15px; }

.disclaimer {
  font-size: 12.5px; color: var(--warn); background: var(--warn-soft);
  border-bottom: 1px solid #f3e0c2; padding: 8px 18px; line-height: 1.5;
}
.disclaimer strong { color: var(--danger); }

main { padding: var(--sp) 22px 40px; max-width: 1080px; width: 100%; }

/* 面板切换 */
.panel { display: none; }
.panel.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* 卡片 */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 18px 20px; box-shadow: var(--shadow-sm); margin-bottom: 18px;
}
.card > h2 { font-size: 15px; display: flex; align-items: center; gap: 8px; }
.card > h2 .step-num {
  display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 7px;
  background: var(--primary); color: #fff; font-size: 12px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* ============================================================
   业务闭环工作台
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-radius: var(--r-lg); padding: 22px 24px; color: #fff;
  box-shadow: var(--shadow); margin-bottom: 18px;
}
.hero h1 { color: #fff; font-size: 20px; margin: 0 0 4px; }
.hero p { color: #d8e2ef; font-size: 13px; margin: 0; }
.hero .run-row { margin-top: 16px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero .run-row .btn.primary { background: #fff; color: var(--primary); border-color: #fff; font-size: 15px; padding: 12px 22px; }
.hero .run-row .btn.primary:hover { background: #f0f4f9; }
.hero .run-row .btn.ghost { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.35); color: #fff; }
.hero .run-row .btn.ghost:hover { background: rgba(255,255,255,.2); }

/* 流程图（阶段步进器） */
.flow {
  display: flex; flex-wrap: wrap; align-items: stretch; gap: 8px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 14px; box-shadow: var(--shadow-sm); margin-bottom: 18px;
}
.flow .node {
  flex: 1 1 90px; min-width: 84px; text-align: center;
  border: 1px solid var(--line); border-radius: var(--r-sm); padding: 10px 6px;
  font-size: 12px; color: var(--muted); background: var(--surface-2); transition: .15s;
}
.flow .node .num {
  display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%;
  background: var(--primary); color: #fff; font-size: 11px; margin-bottom: 6px;
}
.flow .node b { display: block; color: var(--primary); font-size: 12.5px; }
.flow .node.active { border-color: var(--accent); background: var(--accent-soft); color: var(--primary); transform: translateY(-2px); }
.flow .arrow { align-self: center; color: var(--faint); font-weight: 700; }
.flow .loop-arrow { align-self: center; color: var(--accent); font-weight: 700; font-size: 13px; white-space: nowrap; }

/* 结果 */
.result-block { border-left: 4px solid var(--accent); }
.result-block h3 {
  display: flex; align-items: center; gap: 8px; font-size: 15px; color: var(--primary);
  background: var(--accent-soft); padding: 9px 13px; border-radius: var(--r-sm) var(--r-sm) 0 0; margin: 0;
}
.result-block .body { padding: 12px 14px; }
.badge { font-size: 11px; background: var(--primary); color: #fff; border-radius: 999px; padding: 2px 9px; }

/* ============================================================
   马克down 渲染
   ============================================================ */
.md h1 { font-size: 18px; }
.md h2 { font-size: 15.5px; color: var(--primary); border-bottom: 1px dashed var(--line); padding-bottom: 4px; margin-top: 14px; }
.md h3 { font-size: 14px; margin-top: 10px; }
.md ul, .md ol { margin: 6px 0; padding-left: 22px; }
.md li { margin: 3px 0; }
.md table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: 13px; }
.md th, .md td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; }
.md th { background: var(--primary-soft); color: var(--primary); }
.md blockquote { margin: 8px 0; padding: 8px 12px; background: var(--surface-2); border-left: 3px solid var(--accent); color: var(--muted); font-size: 13px; }
.md code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
.sev-高 { color: var(--danger); font-weight: 700; }
.sev-中 { color: var(--warn); font-weight: 700; }
.sev-低 { color: var(--ok); font-weight: 700; }

/* ============================================================
   知识库 / 案例 / 经验 / 选题
   ============================================================ */
.search-row { display: flex; gap: 10px; margin-bottom: 12px; }
.search-row input { flex: 1; margin-top: 0; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.case-item, .theme-item {
  border: 1px solid var(--line); border-radius: var(--r); padding: 14px; background: var(--surface-2);
}
.case-item h4, .theme-item h4 { margin: 0 0 8px; font-size: 14px; color: var(--primary); }
.case-item .tags { margin-bottom: 8px; }
.case-item p, .theme-item p { font-size: 12.5px; color: var(--muted); margin: 6px 0; }
.theme-item .hook { color: var(--danger); font-size: 12.5px; margin-top: 6px; font-weight: 600; }

.stat-row { display: flex; flex-wrap: wrap; gap: 12px; }
.stat {
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 12px 18px; min-width: 96px; text-align: center;
}
.stat b { display: block; font-size: 22px; color: var(--primary); }
.stat span { font-size: 12px; color: var(--muted); }

/* ============================================================
   签核台 / 合规
   ============================================================ */
.approval-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.approval-card { border: 1px solid var(--line); border-radius: var(--r); padding: 14px; background: var(--surface-2); }
.approval-card .ah { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.pending-tag { background: var(--danger-soft); color: var(--danger); border: 1px solid #f3c6c3; font-size: 12px; padding: 3px 9px; border-radius: 999px; }
.approval-card .body { max-height: 220px; overflow: auto; font-size: 13px; }

.gated-result { margin-top: 12px; }
.gated-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-bottom: 12px; }
.grow { border-radius: var(--r-sm); padding: 12px; font-size: 13px; border: 1px solid var(--line); }
.grow.ok { background: var(--ok-soft); border-color: #bfe6cd; color: var(--ok); }
.grow.pending { background: var(--warn-soft); border-color: #f0d9a8; color: var(--warn); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.grow.blocked { background: var(--surface-2); color: var(--muted); }
.signoff-btn2 { font-size: 12px; padding: 5px 11px; border-radius: var(--r-sm); border: 1px solid var(--primary); background: #fff; color: var(--primary); cursor: pointer; }

.audit-list { display: flex; flex-direction: column; gap: 6px; max-height: 360px; overflow: auto; }
.audit-item { border-bottom: 1px dashed var(--line); padding: 6px 0; font-size: 12.5px; }
.audit-item .ts { color: var(--faint); margin-right: 8px; font-family: ui-monospace, monospace; }
.audit-item .actor { color: var(--accent); margin-left: 8px; }
.audit-item .d { color: var(--muted); display: block; margin-top: 2px; word-break: break-all; }

/* ============================================================
   知识市场 / 经验池
   ============================================================ */
.pkg-card { border: 1px solid var(--line); border-radius: var(--r); padding: 14px; background: var(--surface); }
.pkg-card h4 { margin: 0 0 6px; color: var(--primary); }
.pkg-card .meta { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.pkg-card p { font-size: 13px; margin: 6px 0; }
.pkg-stat { font-size: 12px; color: var(--accent); margin: 6px 0 10px; }
.install-btn { font-size: 13px; padding: 7px 14px; }

.agent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.agent-item { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 11px 13px; background: var(--surface-2); }
.agent-item b { color: var(--primary); }
.agent-item p { font-size: 12.5px; color: var(--muted); margin: 6px 0 0; }

.pool-list { margin-top: 12px; }
.pool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.pool-item { border: 1px dashed var(--accent); border-radius: var(--r-sm); padding: 12px; background: var(--accent-soft); }
.pool-item p { font-size: 13px; margin: 8px 0; }
.pool-item .meta { font-size: 11px; color: var(--muted); font-family: ui-monospace, monospace; }

/* ============================================================
   运维 / SaaS / 计费
   ============================================================ */
.table-wrap { overflow-x: auto; }
.md-table, .table-wrap table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 8px; }
.md-table th, .md-table td, .table-wrap th, .table-wrap td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.md-table thead th, .table-wrap thead th { background: var(--primary); color: #fff; font-weight: 600; }
.md-table tbody tr:nth-child(even), .table-wrap tbody tr:nth-child(even) { background: var(--surface-2); }
td.over { color: var(--danger); font-weight: 600; }
.status-overage { color: var(--warn); }
.status-blocked { color: var(--danger); }
.status-ok { color: var(--ok); }

.tenant-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.tenant-item { border: 1px solid var(--line); border-radius: var(--r); padding: 13px; background: var(--surface-2); }
.tenant-item b { color: var(--primary); font-size: 15px; }
.tenant-item .tags { margin-top: 6px; }

.trace-list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.trace-item { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; border: 1px solid var(--line); border-radius: var(--r); padding: 9px 12px; background: var(--surface); font-size: 13px; }
.trace-item b { font-family: ui-monospace, monospace; color: var(--primary); }
.trace-item .trace-ts { color: var(--faint); font-size: 11px; margin-left: auto; }
.trace-open { font-size: 12px; padding: 4px 11px; }

.trace-detail { margin-top: 14px; }
.trace-detail h3 { color: var(--primary); }
.span-list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.span-item { border: 1px solid var(--line); border-left-width: 4px; border-radius: var(--r-sm); padding: 11px 13px; background: var(--surface); }
.span-item.status-ok { border-left-color: var(--ok); }
.span-item.status-blocked { border-left-color: var(--faint); background: var(--surface-2); }
.span-item.status-error { border-left-color: var(--danger); background: var(--danger-soft); }
.span-h { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.span-h b { color: var(--primary); }
.span-in, .span-out { font-size: 12.5px; margin: 3px 0; color: #333; }
.span-in b, .span-out b { color: var(--muted); }
.span-err { color: var(--danger); font-size: 12px; margin-top: 4px; }

/* ============================================================
   移动端：顶部栏 + 底部导航 + 抽屉
   ============================================================ */
.mobile-nav { display: none; }
.overlay {
  display: none; position: fixed; inset: 0; background: rgba(15, 30, 50, .4);
  z-index: 46; opacity: 0; transition: opacity .2s;
}
.overlay.show { display: block; opacity: 1; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--primary); color: #fff; padding: 11px 22px; border-radius: 999px;
  font-size: 13px; opacity: 0; transition: opacity .3s, transform .3s; pointer-events: none; z-index: 99;
  box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   响应式断点
   ============================================================ */
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; z-index: 50; height: 100vh;
    transform: translateX(-100%); transition: transform .25s ease; box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: none; }

  .topbar-mobile { display: flex; }
  .mobile-nav {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 45;
    height: var(--bottomnav-h); background: var(--surface); border-top: 1px solid var(--line);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); justify-content: space-around; align-items: stretch;
  }
  .nav-item {
    flex: 1; border: none; background: transparent; cursor: pointer; font-family: inherit;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    color: var(--faint); font-size: 10.5px; font-weight: 600; border-radius: var(--r-sm);
  }
  .nav-item svg { width: 22px; height: 22px; }
  .nav-item.active { color: var(--primary); }
  .nav-item.active svg { stroke: var(--primary); }

  main { padding: 14px 14px 80px; }
  .field-grid { grid-template-columns: 1fr; }
  .card { padding: 16px; }
  .hero { padding: 18px; }
  .hero .run-row .btn.primary { width: 100%; }
  .flow .node { flex: 1 1 40%; min-width: 0; }
  .flow .arrow, .flow .loop-arrow { display: none; }
}

@media (max-width: 480px) {
  .brand .sub { display: none; }
  .stat { min-width: 78px; padding: 10px 12px; }
  main { padding: 12px 12px 80px; }
}

/* ============ 文本上传（录入客户与案情） ============ */
.upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px dashed var(--border, #cbd5e1);
  border-radius: 8px;
  background: var(--surface-2, #f8fafc);
  color: var(--primary, #3563e9);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
}
.upload-btn:hover {
  border-color: var(--primary, #3563e9);
  background: rgba(53, 99, 233, .06);
}
.upload-hint {
  font-size: 12px;
  color: var(--text-dim, #64748b);
}