:root{
  --bg:#f6f8fb; --card:#fff; --line:#e8edf4; --text:#1e293b; --muted:#64748b;
  --primary:#4C6FFF; --primary-d:#3b56d6; --ok:#22C55E; --warn:#F59E0B;
  --bad:#EF4444; --purple:#8B5CF6;
  --sidebar:#0f172a; --sidebar-t:#cbd5e1;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.6;display:flex;min-height:100vh}

/* ---- 侧边栏 ---- */
.sidebar{width:232px;background:var(--sidebar);color:var(--sidebar-t);
  padding:20px 14px;display:flex;flex-direction:column;flex-shrink:0;
  position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;gap:10px;align-items:center;padding:0 8px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:14px}
.logo{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,#4C6FFF,#8B5CF6);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:12px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{color:#fff;font-size:14px}
.brand-text span{font-size:11px;color:#64748b}
nav{flex:1}
nav a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;
  color:var(--sidebar-t);text-decoration:none;font-size:13px;margin-bottom:2px;
  transition:background .15s}
nav a:hover{background:rgba(255,255,255,.08);color:#fff}
nav a.active{background:var(--primary);color:#fff;font-weight:600}
nav .ic{width:16px;text-align:center;opacity:.85}
.nav-label{font-size:10px;text-transform:uppercase;letter-spacing:.8px;
  color:#475569;padding:14px 12px 6px}
.sidebar-foot{padding:12px 8px 0;border-top:1px solid rgba(255,255,255,.08)}
.foot-note{font-size:11px;color:#475569;line-height:1.7}

/* ---- 主区 ---- */
.main{flex:1;padding:26px 30px;min-width:0}
.page-head{margin-bottom:22px}
.page-head h1{margin:0 0 4px;font-size:22px}
.page-head .sub{color:var(--muted);font-size:13px}
.page-head .sub code{background:#eef2f7;padding:1px 6px;border-radius:4px;font-size:12px}

/* ---- 卡片 ---- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:20px}
.stat-card{background:var(--card);border-radius:12px;padding:15px 16px;
  box-shadow:0 1px 3px rgba(15,23,42,.06)}
.stat-card .k{font-size:11px;color:var(--muted);margin-bottom:3px}
.stat-card .v{font-size:21px;font-weight:700}
.stat-card .sub{font-size:11px;color:var(--muted);margin-top:3px}
.stat-card.tone-warn{border-left:3px solid var(--warn)}
.stat-card.tone-bad{border-left:3px solid var(--bad)}
.stat-card.tone-ok{border-left:3px solid var(--ok)}

.panel{background:var(--card);border-radius:12px;padding:18px 20px;
  box-shadow:0 1px 3px rgba(15,23,42,.06);margin-bottom:18px}
.panel h2{margin:0 0 12px;font-size:15px;display:flex;align-items:center;gap:8px}
.panel h2 .dot{width:7px;height:7px;border-radius:50%;background:var(--primary)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:16px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}

/* ---- 图表 ---- */
.chart{background:var(--card);border-radius:12px;padding:15px 17px;
  box-shadow:0 1px 3px rgba(15,23,42,.06);margin-bottom:14px}
.chart h3{margin:0 0 10px;font-size:13px;color:#475569;font-weight:600}
.chart-svg{width:100%;height:auto;display:block}
.ax{font-size:10px;fill:#94a3b8}
.val{font-size:10px;fill:#475569;font-weight:600}
.donut-num{font-size:21px;fill:#1e293b;font-weight:700}
.legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;font-size:11px;color:var(--muted)}
.lg i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px}

/* ---- 表格 ---- */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 11px;text-align:left;border-bottom:1px solid #f1f5f9;vertical-align:top}
th{background:#f8fafc;color:#475569;font-weight:600;font-size:11px;
  text-transform:uppercase;letter-spacing:.4px}
tr:hover td{background:#fafbfc}

.tag{padding:2px 9px;border-radius:99px;font-size:11px;font-weight:600;display:inline-block}
.tag.observed{background:#dcfce7;color:#15803d}
.tag.inferred{background:#fef3c7;color:#b45309}
.tag.hypothesis{background:#fee2e2;color:#b91c1c}
.tag.done{background:#dcfce7;color:#15803d}
.tag.doing{background:#dbeafe;color:#1d4ed8}
.tag.todo{background:#f1f5f9;color:#64748b}
.tag.warn{background:#fef3c7;color:#b45309}

/* ---- 客户卡片 ---- */
.client-card{background:var(--card);border-radius:13px;padding:18px 20px;
  box-shadow:0 1px 3px rgba(15,23,42,.06);text-decoration:none;color:inherit;
  display:block;transition:transform .15s,box-shadow .15s;border:1px solid transparent}
.client-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(15,23,42,.10);
  border-color:var(--primary)}
.cc-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}
.cc-name{font-size:16px;font-weight:700}
.cc-ind{font-size:11px;color:var(--muted);margin-top:2px}
.cc-badge{font-size:16px}
.cc-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}
.cc-m{background:#f8fafc;border-radius:8px;padding:8px 10px}
.cc-m .k{font-size:10px;color:var(--muted)}
.cc-m .v{font-size:15px;font-weight:700;margin-top:1px}
.cc-foot{display:flex;justify-content:space-between;align-items:center;
  padding-top:11px;border-top:1px solid #f1f5f9;font-size:11px;color:var(--muted)}
.trend-up{color:var(--ok);font-weight:600}
.trend-down{color:var(--bad);font-weight:600}
.trend-flat{color:var(--muted);font-weight:600}

/* ---- 工作流 ---- */
.flow{display:flex;flex-direction:column;gap:0}
.flow-step{display:flex;gap:14px;padding:14px 0;position:relative}
.flow-step:not(:last-child)::before{content:"";position:absolute;left:17px;top:42px;
  bottom:0;width:2px;background:var(--line)}
.flow-no{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;
  background:#eef2f7;color:var(--muted);z-index:1}
.flow-step.done .flow-no{background:var(--ok);color:#fff}
.flow-step.doing .flow-no{background:var(--primary);color:#fff}
.flow-body{flex:1;min-width:0}
.flow-name{font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px}
.flow-desc{font-size:12px;color:var(--muted);margin:3px 0 7px}
.flow-outputs{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:11px;background:#f1f5f9;color:#475569;padding:2px 8px;border-radius:5px}
.chip.gate{background:#fef3c7;color:#b45309;font-weight:600}

.muted{color:var(--muted);font-size:12px}
.claim{color:#475569;font-size:12px}
.warn-box{background:#fff7ed;border-left:4px solid var(--warn);padding:12px 16px;
  border-radius:8px;margin:12px 0;font-size:13px}
.danger-box{background:#fef2f2;border-left:4px solid var(--bad);padding:12px 16px;
  border-radius:8px;margin:12px 0;font-size:13px}
a.link{color:var(--primary);text-decoration:none;font-weight:600}
a.link:hover{text-decoration:underline}
code{background:#eef2f7;padding:1px 6px;border-radius:4px;font-size:12px}
ul.tight{margin:6px 0 0 18px;padding:0}
ul.tight li{margin:3px 0;font-size:12px}

/* ---- 按钮 ---- */
.btn{display:inline-flex;align-items:center;gap:5px;border:none;cursor:pointer;
  font-size:13px;font-weight:600;padding:8px 15px;border-radius:8px;transition:all .15s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ok{background:#dcfce7;color:#15803d}
.btn-ok:hover{background:#bbf7d0}
.btn-ghost{background:#f1f5f9;color:#475569}
.btn-ghost:hover{background:#e2e8f0}
.btn-sm{padding:4px 10px;font-size:11px;border-radius:6px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---- 表单 ---- */
.form-row{margin-bottom:15px}
.form-row label{display:block;font-size:12px;font-weight:600;color:#475569;margin-bottom:5px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;
  font-size:13px;font-family:inherit;background:#fff;transition:border .15s}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(76,111,255,.12)}
.form-row .muted{margin-top:4px}

.editor{width:100%;min-height:380px;padding:13px 15px;border:1px solid var(--line);
  border-radius:10px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:12px;line-height:1.7;resize:vertical;background:#fcfdfe}
.editor:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(76,111,255,.12)}
.editor-sm{min-height:180px}

.btn-new{display:flex;align-items:center;gap:8px;padding:9px 12px;margin:8px 0;
  border-radius:8px;border:1px dashed rgba(255,255,255,.22);color:#94a3b8;
  text-decoration:none;font-size:13px;transition:all .15s}
.btn-new:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.4)}