:root{
  --bg:#f4f6fa; --card:#fff; --side:#1e2530; --side2:#272f3d;
  --pri:#3b82f6; --pri-d:#2563eb; --txt:#1f2937; --mut:#6b7280; --line:#e5e7eb;
  --ok:#10b981; --warn:#f59e0b; --bad:#ef4444; --info:#6366f1;
  --r:10px; --sh:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--txt);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:14px}
button{cursor:pointer;border:none;background:none}

/* 登录 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1e2530,#2d3748)}
.login-card{background:#fff;padding:40px 36px;border-radius:16px;width:340px;max-width:90vw;
  box-shadow:0 20px 50px rgba(0,0,0,.3);display:flex;flex-direction:column;gap:14px}
.login-logo{font-size:24px;font-weight:700;text-align:center}
.login-sub{text-align:center;color:var(--mut);margin-bottom:8px;font-size:13px}
.login-card input{padding:12px 14px;border:1px solid var(--line);border-radius:8px;outline:none}
.login-card input:focus{border-color:var(--pri)}
.login-card button{background:var(--pri);color:#fff;padding:12px;border-radius:8px;font-weight:600;transition:.2s}
.login-card button:hover{background:var(--pri-d)}
.login-err{color:var(--bad);font-size:13px;text-align:center;min-height:18px}

/* 布局 */
.app{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--side);color:#cbd5e1;display:flex;flex-direction:column;
  position:fixed;top:0;bottom:0;left:0;z-index:40}
.brand{padding:20px 22px;font-size:18px;font-weight:700;color:#fff;display:flex;gap:8px;align-items:center}
.nav{flex:1;overflow-y:auto;padding:8px 0}
.nav a{display:flex;align-items:center;gap:11px;padding:11px 22px;color:#9aa6b8;font-size:14px;
  border-left:3px solid transparent;transition:.15s}
.nav a .ic{width:18px;text-align:center}
.nav a:hover{background:var(--side2);color:#fff}
.nav a.active{background:var(--side2);color:#fff;border-left-color:var(--pri)}
.side-foot{padding:16px 22px;border-top:1px solid rgba(255,255,255,.08)}
.user-box{font-size:13px;color:#9aa6b8;margin-bottom:8px}
.logout{font-size:13px;color:#9aa6b8}
.logout:hover{color:#fff}

.main{flex:1;margin-left:220px;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:0 20px;height:60px;
  display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:30;flex-wrap:wrap}
.hamburger{display:none;font-size:22px}
.topbar-left{flex:1;min-width:120px}
.site-sel{padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;font-weight:600;max-width:240px}
.topbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.range{display:flex;background:#f1f3f7;border-radius:8px;padding:3px}
.range button{padding:6px 12px;border-radius:6px;color:var(--mut);font-size:13px}
.range button.active{background:#fff;color:var(--pri);box-shadow:var(--sh);font-weight:600}
.dinput{padding:7px 10px;border:1px solid var(--line);border-radius:8px}
.tilde{color:var(--mut)}
.botchk{font-size:13px;color:var(--mut);display:flex;align-items:center;gap:4px;cursor:pointer}
.refresh{width:36px;height:36px;border-radius:8px;background:#f1f3f7;font-size:16px;transition:.2s}
.refresh:hover{background:var(--pri);color:#fff}

.content{padding:22px;flex:1}
.mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35}

/* 卡片网格 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:20px}
.stat{background:var(--card);border-radius:var(--r);padding:18px 20px;box-shadow:var(--sh)}
.stat .label{color:var(--mut);font-size:13px;display:flex;align-items:center;gap:6px}
.stat .num{font-size:28px;font-weight:700;margin-top:6px}
.stat .sub{font-size:12px;color:var(--mut);margin-top:4px}
.stat .dot{width:8px;height:8px;border-radius:50%;display:inline-block}

.grid{display:grid;gap:16px;grid-template-columns:repeat(12,1fr)}
.panel{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:18px;min-width:0}
.panel h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between}
.panel h3 .tag{font-size:12px;color:var(--mut);font-weight:400}
.col-12{grid-column:span 12}.col-8{grid-column:span 8}.col-6{grid-column:span 6}
.col-4{grid-column:span 4}.col-3{grid-column:span 3}

/* 列表/表格 */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);font-size:13px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
th{color:var(--mut);font-weight:600;font-size:12px}
td.num,th.num{text-align:right}
tr:hover td{background:#fafbfc}
.bar-row{display:flex;align-items:center;gap:10px;padding:6px 0}
.bar-row .nm{width:120px;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.bar-row .bar{flex:1;height:8px;background:#eef1f5;border-radius:5px;overflow:hidden}
.bar-row .bar i{display:block;height:100%;background:var(--pri);border-radius:5px}
.bar-row .vl{width:54px;text-align:right;flex-shrink:0;font-size:13px;color:var(--mut)}

.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.pill.direct{background:#eef2ff;color:#4f46e5}
.pill.search{background:#ecfdf5;color:#059669}
.pill.social{background:#fef3c7;color:#d97706}
.pill.link{background:#e0f2fe;color:#0284c7}
.pill.ad{background:#fce7f3;color:#db2777}
.pill.internal{background:#f3f4f6;color:#6b7280}
.pill.pc{background:#e0f2fe;color:#0284c7}.pill.mobile{background:#ecfdf5;color:#059669}
.pill.tablet{background:#fef3c7;color:#d97706}.pill.bot{background:#fee2e2;color:#dc2626}
.pill.new{background:#ecfdf5;color:#059669}.pill.ret{background:#f3f4f6;color:#6b7280}

td .urlc{display:inline-block;white-space:normal;word-break:break-all;max-width:420px;font-size:12px;line-height:1.4;color:var(--pri)}
@media(max-width:900px){td .urlc{max-width:200px}}
.empty{color:var(--mut);text-align:center;padding:30px;font-size:13px}
.loading{color:var(--mut);text-align:center;padding:30px}

/* 实时 */
.online-big{font-size:48px;font-weight:800;color:var(--ok)}
.live-dot{width:10px;height:10px;background:var(--ok);border-radius:50%;display:inline-block;
  animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.5)}70%{box-shadow:0 0 0 8px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}

/* 热力图 */
.heat{display:grid;grid-template-columns:auto repeat(24,1fr);gap:3px;font-size:11px}
.heat .hcell{aspect-ratio:1;border-radius:3px;background:#eef1f5;min-width:14px}
.heat .hlbl{color:var(--mut);display:flex;align-items:center;justify-content:flex-end;padding-right:4px}
.heat .htop{color:var(--mut);text-align:center}

/* SVG 图表 */
.chart svg{width:100%;height:auto;display:block}
.legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;font-size:12px;color:var(--mut)}
.legend span{display:flex;align-items:center;gap:5px}
.legend i{width:10px;height:10px;border-radius:2px;display:inline-block}

/* 站点管理 */
.site-card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:18px;margin-bottom:14px}
.btn{padding:8px 16px;border-radius:8px;background:var(--pri);color:#fff;font-weight:600;transition:.2s}
.btn:hover{background:var(--pri-d)}
.btn.sec{background:#f1f3f7;color:var(--txt)}
.btn.danger{background:#fee2e2;color:var(--bad)}
.btn.sm{padding:5px 10px;font-size:12px}
.code-box{background:#1e2530;color:#e2e8f0;padding:14px;border-radius:8px;font-family:ui-monospace,Menlo,monospace;
  font-size:12px;overflow-x:auto;white-space:pre-wrap;word-break:break-all;margin-top:8px}
.form-row{display:flex;gap:10px;margin-bottom:12px;flex-wrap:wrap;align-items:center}
.form-row input{padding:9px 12px;border:1px solid var(--line);border-radius:8px;flex:1;min-width:140px}
.form-row label{width:80px;color:var(--mut)}

/* ============ 响应式 ============ */

/* 平板 / 窄屏:侧栏转抽屉,12 栅格收成 6 栅格 */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .25s ease;box-shadow:0 0 30px rgba(0,0,0,.25)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .hamburger{display:block}
  .mask.show{display:block}
  .grid{grid-template-columns:repeat(6,1fr)}
  .col-8{grid-column:span 6}.col-6{grid-column:span 6}
  .col-4{grid-column:span 3}.col-3{grid-column:span 3}
  .topbar{padding:0 14px;gap:10px}
  .content{padding:16px}
}

/* 手机:顶栏分行重排 + 表格横滑 + 全面紧凑 */
@media(max-width:640px){
  body{overflow-x:hidden}

  /* 顶栏:高度自适应,工具按行整齐铺开,不再挤成一团 */
  .topbar{height:auto;min-height:54px;padding:10px 12px;gap:8px}
  .hamburger{display:flex;align-items:center;justify-content:center;width:36px;height:36px;
    font-size:22px;border-radius:8px;background:#f1f3f7;flex-shrink:0;order:0}
  .topbar-left{order:1;flex:1 1 auto;min-width:0}
  .site-sel{width:100%;max-width:none}
  .topbar-right{order:3;width:100%;gap:8px;align-items:stretch}
  .range{flex:1 1 100%;padding:4px}
  .range button{flex:1;padding:9px 4px;font-size:13px}
  .dinput{flex:1 1 40%;min-width:0;width:auto;padding:9px 8px}
  .tilde{display:none}
  .botchk{flex:1 1 auto;justify-content:flex-start;padding:4px 0}
  .refresh{flex:0 0 auto;width:40px;height:40px}

  /* 内容区:单列堆叠 */
  .content{padding:12px}
  .grid{grid-template-columns:1fr;gap:12px}
  .col-12,.col-8,.col-6,.col-4,.col-3{grid-column:auto}
  .panel{padding:14px}
  .panel h3{font-size:14px}

  /* 统计卡:稳定 2 列,不再塌成长长一竖条 */
  .cards{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}
  .stat{padding:14px}
  .stat .num{font-size:22px}
  .stat .label{font-size:12px}

  /* 宽数据表卡片化:每行→一张卡,字段「标签:值」竖排,彻底告别横向挤压 */
  .data-table thead{display:none}
  .data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%}
  .data-table tr{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:2px 12px}
  .data-table tr:hover td{background:none}
  .data-table td{display:flex;justify-content:space-between;align-items:baseline;gap:14px;
    text-align:right;border:none;border-bottom:1px solid #f3f4f6;padding:9px 0;white-space:normal;overflow:visible}
  .data-table tr td:last-child{border-bottom:none}
  .data-table td::before{content:attr(data-label);color:var(--mut);font-weight:600;
    text-align:left;flex-shrink:0;white-space:nowrap}
  .data-table td .urlc{max-width:100%;text-align:right;word-break:break-all}
  .data-table td.empty{justify-content:center;color:var(--mut)}
  .data-table td.empty::before{display:none}
  th,td{font-size:12.5px}

  /* 条形榜:名称列稍放宽,数值列保留 */
  .bar-row .nm{width:120px;font-size:12px}
  .bar-row .vl{width:46px;font-size:12px}

  /* 热力图:格子自适应压进屏宽,父级兜底可横滑 */
  .heat{font-size:9px;gap:2px;overflow-x:auto}
  .heat .hcell{min-width:0}
  .heat .htop{font-size:9px}

  /* 实时大数字略收 */
  .online-big{font-size:40px}

  /* 设置页表单:输入与主按钮竖向占满,操作按钮保持并排 */
  .form-row{gap:8px}
  .form-row input{flex:1 1 100%;min-width:0}
  .form-row label{width:auto}
  .form-row>.btn{flex:1 1 100%}
  .site-card .form-row{align-items:center}
  .site-card .form-row>.btn{flex:0 0 auto}

  /* 导航点击区加大,更适合手指 */
  .nav a{padding:13px 22px;font-size:15px}
}

/* 超窄屏(≤360)再收一档 */
@media(max-width:360px){
  .stat .num{font-size:20px}
  .range button{padding:8px 2px;font-size:12px}
  .heat{font-size:8px}
}