:root {
  --primary: #6C5CE7;
  --primary-light: #A29BFE;
  --primary-bg: rgba(108,92,231,0.15);
  --success: #00B894;
  --warning: #FDCB6E;
  --danger: #E17055;
  --bg: #0B0E17;
  --bg2: #111827;
  --bg3: #1A1F36;
  --text: #E2E8F0;
  --text2: #94A3B8;
  --text3: #64748B;
  --border: #1E293B;
  --shadow: none;
  --radius: 8px;
  --input-bg: #1A1F36;
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }

/* ===== Login ===== */
.login-page { display:flex; align-items:center; justify-content:center; min-height:100vh; background: var(--bg); }
.login-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:48px 40px; width:380px; text-align:center; }
.login-logo { font-size:36px; margin-bottom:12px; color:var(--primary); }
.login-card h2 { font-size:20px; margin-bottom:4px; color:var(--text); }
.login-sub { color:var(--text3); margin-bottom:28px; font-size:13px; }
.form-group { margin-bottom:16px; text-align:left; }
.form-group label { display:block; font-size:13px; color:var(--text2); margin-bottom:6px; font-weight:500; }
.form-group input { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:6px; font-size:14px; outline:none; transition:border .2s; background:var(--input-bg); color:var(--text); }
.form-group input:focus { border-color:var(--primary); }
.form-group input::placeholder { color:var(--text3); }
.error-msg { color:var(--danger); font-size:13px; margin-bottom:12px; text-align:left; }

/* ===== Buttons ===== */
.btn { padding:8px 20px; border:none; border-radius:6px; cursor:pointer; font-size:14px; font-weight:500; transition:all .2s; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-light); }
.btn-success { background:var(--success); color:#fff; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-outline { background:transparent; border:1px solid var(--border); color:var(--text2); }
.btn-outline:hover { border-color:var(--primary); color:var(--primary); }
.btn-sm { padding:5px 14px; font-size:13px; }
.btn-block { width:100%; padding:12px; font-size:15px; margin-top:8px; }
.btn:disabled { opacity:0.5; cursor:not-allowed; }
.btn-logout { background:none; border:none; color:var(--text3); cursor:pointer; font-size:13px; }
.btn-logout:hover { color:var(--danger); }

/* ===== Layout ===== */
#app { display:flex; min-height:100vh; }
.sidebar { width:220px; background:var(--bg2); border-right:1px solid var(--border); display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; z-index:100; transition:transform .3s; }
.sidebar-header { padding:20px 20px 16px; border-bottom:1px solid var(--border); }
.sidebar-header .logo-row { display:flex; align-items:center; gap:10px; }
.logo-dot { width:8px; height:8px; border-radius:50%; background:var(--primary); box-shadow:0 0 8px var(--primary); }
.logo-text { font-weight:700; font-size:15px; color:var(--text); letter-spacing:0.5px; }
.sidebar-nav { flex:1; padding:12px 0; overflow-y:auto; }
.sidebar-nav::-webkit-scrollbar { width:3px; }
.sidebar-nav::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
.nav-group-label {
  padding:22px 20px 8px;
  font-size:11px;
  color:var(--text2);
  letter-spacing:1.5px;
  font-weight:700;
  text-transform:uppercase;
  margin-top:4px;
  border-top:1px solid var(--border);
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-group-label::before {
  content:'';
  display:inline-block;
  width:3px;
  height:12px;
  border-radius:2px;
  background:var(--primary);
  opacity:0.6;
}
.sidebar-nav > .nav-group-label:first-child {
  border-top:none;
  margin-top:0;
}
.nav-item { display:flex; align-items:center; gap:12px; padding:10px 20px; cursor:pointer; color:var(--text3); transition:all .15s; font-size:13px; position:relative; }
.nav-item:hover { color:var(--text); background:rgba(255,255,255,0.03); }
.nav-item.active { color:var(--primary-light); background:var(--primary-bg); }
.nav-item.active::before { content:''; position:absolute; left:0; top:4px; bottom:4px; width:3px; border-radius:0 3px 3px 0; background:var(--primary); }
.nav-item svg { width:18px; height:18px; flex-shrink:0; stroke:currentColor; fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.nav-item.active svg { stroke:var(--primary-light); }
/* sidebar-footer removed */
.main-area { margin-left:220px; flex:1; min-height:100vh; display:flex; flex-direction:column; }
.top-bar { background:var(--bg2); padding:10px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:flex-end; position:sticky; top:0; z-index:50; }
.top-bar-right { font-size:12px; color:var(--text3); display:flex; align-items:center; gap:12px; }
.menu-toggle { display:none; background:none; border:none; font-size:20px; cursor:pointer; color:var(--text); }
.content-wrap { padding:24px; flex:1; }

/* ===== Cards / Stats ===== */
.page-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:24px; }
.page-header h2 { font-size:18px; font-weight:600; }
.page-header p { color:var(--text3); font-size:12px; margin-top:2px; }
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(180px,1fr)); gap:12px; margin-bottom:24px; }
.stat-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:16px; }
.stat-card .label { font-size:12px; color:var(--text3); margin-bottom:6px; }
.stat-card .value { font-size:24px; font-weight:700; color:var(--text); }
.stat-card .sub { font-size:11px; color:var(--text3); margin-top:4px; }
.card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:20px; margin-bottom:20px; }
.card h3 { font-size:15px; margin-bottom:16px; color:var(--text); }

/* ===== Table ===== */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; font-size:13px; }
thead { background:var(--bg3); }
th, td { padding:10px 14px; text-align:center; border-bottom:1px solid var(--border); white-space:nowrap; }
th { font-weight:600; color:var(--text3); font-size:11px; text-transform:uppercase; letter-spacing:.5px; }
tr:hover td { background:rgba(255,255,255,0.02); }
.badge { display:inline-block; padding:3px 10px; border-radius:20px; font-size:12px; font-weight:500; }
.badge-success { background:rgba(0,184,148,0.15); color:#00B894; }
.badge-warning { background:rgba(253,203,110,0.15); color:#FDCB6E; }
.badge-danger { background:rgba(225,112,85,0.15); color:#E17055; }
.badge-info { background:var(--primary-bg); color:var(--primary-light); }

/* ===== Form / Modal ===== */
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
.form-row.full { grid-template-columns:1fr; }
.form-control { width:100%; padding:8px 12px; border:1px solid var(--border); border-radius:6px; font-size:14px; outline:none; background:var(--input-bg); color:var(--text); }
.form-control:focus { border-color:var(--primary); }
.form-control::placeholder { color:var(--text3); }
select.form-control { appearance:auto; background:var(--input-bg); color:var(--text); }
textarea.form-control { min-height:80px; resize:vertical; background:var(--input-bg); color:var(--text); }
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,.6); display:flex; align-items:center; justify-content:center; z-index:1000; }
.modal-box { background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:28px; width:520px; max-width:90vw; max-height:85vh; overflow-y:auto; }
.modal-box h3 { margin-bottom:20px; font-size:16px; color:var(--text); }

/* ===== Toast ===== */
.toast { position:fixed; top:24px; right:24px; padding:12px 24px; border-radius:6px; color:#fff; font-size:14px; z-index:9999; animation:slideIn .3s; }
.toast-success { background:var(--success); }
.toast-error { background:var(--danger); }
.toast-info { background:var(--primary); }
@keyframes slideIn { from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1} }

/* ===== Pagination ===== */
.pagination { display:flex; justify-content:center; align-items:center; gap:8px; margin-top:20px; }
.pagination button { padding:6px 14px; border:1px solid var(--border); background:var(--bg2); border-radius:6px; cursor:pointer; font-size:13px; color:var(--text2); }
.pagination button.active { background:var(--primary); color:#fff; border-color:var(--primary); }
.pagination button:disabled { opacity:.4; cursor:not-allowed; }
.pagination span { font-size:13px; color:var(--text3); }

/* ===== Toolbar ===== */
.toolbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; flex-wrap:wrap; gap:12px; }
.search-box { display:flex; align-items:center; gap:8px; }
.search-box input { width:240px; background:var(--input-bg); color:var(--text); border:1px solid var(--border); border-radius:6px; padding:7px 12px; outline:none; }
.search-box input:focus { border-color:var(--primary); }
.filter-group { display:flex; gap:8px; align-items:center; }
.filter-group select { padding:7px 12px; background:var(--input-bg); color:var(--text); border:1px solid var(--border); border-radius:6px; }

/* ===== Filter Bar (商城管理筛选栏) ===== */
.filter-bar {
  display:flex; align-items:center; gap:12px; margin-bottom:20px;
  padding:14px 18px; background:var(--bg2); border:1px solid var(--border);
  border-radius:12px; flex-wrap:wrap;
}
.filter-bar .filter-label {
  font-size:13px; color:var(--text3); font-weight:600; white-space:nowrap;
}
.filter-bar .filter-select {
  appearance:none; -webkit-appearance:none;
  padding:8px 36px 8px 14px; font-size:13px; font-weight:500;
  background:var(--input-bg); color:var(--text);
  border:1px solid var(--border); border-radius:8px;
  cursor:pointer; outline:none; transition:all .2s;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 12px center;
}
.filter-bar .filter-select:hover { border-color:var(--primary); }
.filter-bar .filter-select:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(99,102,241,0.15); }
.filter-bar .filter-select option { background:var(--bg2); color:var(--text); padding:8px; }
.filter-bar .filter-divider {
  width:1px; height:20px; background:var(--border); margin:0 4px;
}

/* ===== Analytics Grid ===== */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:0; }
.chart-box { position:relative; height:240px; }

/* ===== Funnel ===== */
.funnel { padding:8px 0; }
.funnel-row { display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.funnel-row-label { width:64px; flex-shrink:0; font-size:13px; color:var(--text2); text-align:right; font-weight:500; }
.funnel-row-bar { flex:1; height:32px; background:var(--bg3); border-radius:6px; overflow:hidden; position:relative; }
.funnel-row-fill { height:100%; border-radius:6px; transition:width .5s ease; }
.funnel-row-num { width:52px; flex-shrink:0; font-size:15px; font-weight:700; color:var(--text); }
.funnel-row-pct { width:60px; flex-shrink:0; font-size:12px; color:var(--text3); }

/* ===== Retention Ring ===== */
.retention-grid { display:flex; justify-content:space-around; padding:16px 0; }
.retention-item { text-align:center; }
.retention-ring { width:72px; height:72px; border-radius:50%; background:conic-gradient(var(--primary) calc(var(--pct)*3.6deg), var(--bg3) 0); display:flex; align-items:center; justify-content:center; margin:0 auto 6px; }
.retention-ring span { font-size:14px; font-weight:700; color:var(--text); background:var(--bg2); width:56px; height:56px; border-radius:50%; display:flex; align-items:center; justify-content:center; }
.retention-label { font-size:12px; color:var(--text2); }
.retention-sub { font-size:11px; color:var(--text3); }

/* ===== Sys Tabs ===== */
.sys-tabs { display:flex; gap:0; border-bottom:1px solid var(--border); margin-bottom:24px; }
.sys-tab { padding:10px 20px; font-size:13px; color:var(--text3); cursor:pointer; border-bottom:2px solid transparent; transition:all .15s; }
.sys-tab:hover { color:var(--text2); }
.sys-tab.active { color:var(--primary-light); border-bottom-color:var(--primary); }
.sys-panel { padding:4px 0; }

/* ===== Harness 管理 ===== */
.hn-tabs { display:flex; gap:4px; background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:4px; margin-bottom:16px; }
.hn-tab { padding:10px 20px; border-radius:6px; font-size:13px; font-weight:500; color:var(--text3); cursor:pointer; transition:all .15s; user-select:none; display:flex; align-items:center; gap:8px; }
.hn-tab:hover { color:var(--text); background:rgba(255,255,255,0.04); }
.hn-tab.active { color:#fff; background:var(--primary); }
.hn-tab .hn-dot { width:8px; height:8px; border-radius:50%; }
.hn-tab .hn-count { font-size:11px; opacity:.7; }
.hn-sub { display:flex; gap:6px; flex-wrap:wrap; margin-bottom:16px; }
.hn-pill { padding:6px 14px; border-radius:20px; font-size:12px; color:var(--text3); background:var(--bg2); border:1px solid var(--border); cursor:pointer; transition:all .15s; user-select:none; }
.hn-pill:hover { color:var(--text); border-color:var(--text3); }
.hn-pill.active { color:#fff; background:var(--primary); border-color:var(--primary); }
.hn-pill .pill-count { font-size:11px; opacity:.7; margin-left:4px; }
.hn-list { display:flex; flex-direction:column; gap:8px; }
.hn-card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; transition:border-color .15s; }
.hn-card:hover { border-color:var(--text3); }
.hn-card.editing { border-color:var(--primary); }
.hn-card-head { display:flex; align-items:center; padding:14px 18px; cursor:pointer; gap:12px; }
.hn-card-head .hn-name { font-size:14px; font-weight:500; flex:1; }
.hn-card-head .hn-key { font-size:11px; color:var(--text3); font-family:monospace; background:var(--bg3); padding:2px 8px; border-radius:4px; }
.hn-card-head .hn-preview { font-size:12px; color:var(--text3); max-width:280px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.hn-card-head .hn-status { margin-left:auto; }
.hn-card-head .hn-arrow { color:var(--text3); font-size:11px; margin-left:8px; transition:transform .2s; }
.hn-card.editing .hn-arrow { transform:rotate(90deg); }
.hn-editor { display:none; padding:0 18px 18px; border-top:1px solid var(--border); }
.hn-card.editing .hn-editor { display:block; padding-top:18px; }
.hn-editor .hn-meta-row { display:flex; gap:12px; margin-bottom:14px; flex-wrap:wrap; }
.hn-editor .hn-meta-item { font-size:12px; }
.hn-editor .hn-meta-item span { color:var(--text3); }
.hn-prompt-label { display:flex; align-items:center; justify-content:space-between; margin-bottom:8px; }
.hn-prompt-label label { font-size:13px; font-weight:500; color:var(--text2); }
.hn-prompt-label .hn-char-count { font-size:11px; color:var(--text3); }
.hn-prompt-textarea { width:100%; min-height:200px; max-height:500px; background:var(--bg3); border:1px solid var(--border); border-radius:6px; padding:14px; font-family:monospace; font-size:13px; line-height:1.7; color:var(--text); resize:vertical; outline:none; transition:border-color .15s; }
.hn-prompt-textarea:focus { border-color:var(--primary); }
.hn-actions { display:flex; gap:8px; margin-top:14px; justify-content:flex-end; }
.hn-actions .btn { min-width:80px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-area { margin-left:0; }
  .menu-toggle { display:block; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .form-row { grid-template-columns:1fr; }
}