/* ============================================================
   启衡 GEO · 视觉系统  (暖白纸面 / 墨色导航 / 电光靛蓝)
   ============================================================ */
:root{
  --paper:#f6f5f1; --card:#ffffff; --ink:#191a23; --ink2:#5c616b; --ink3:#9a9fa8;
  --line:#e8e5dd; --acc:#4f46e5; --acc-deep:#3d36c9; --acc-soft:#eef0ff;
  --ok:#0e9f6e; --ok-soft:#e6f7f0; --warn:#d97706; --warn-soft:#fdf3e3;
  --bad:#dc2626; --bad-soft:#fdecec; --side:#17181d; --side-hi:#22242c;
  --r:14px; --sh:0 1px 2px rgba(25,26,35,.04),0 8px 24px rgba(25,26,35,.05);
  font-size:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::selection{background:var(--acc);color:#fff}

/* ---------- 布局骨架 ---------- */
.shell{display:flex;min-height:100vh}
.side{width:220px;flex:none;background:var(--side);color:#b8bac3;display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh}
.side .logo{display:flex;align-items:center;gap:10px;padding:22px 20px 18px;color:#fff}
.side .logo .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#5b54ff,#3d36c9);
  display:grid;place-items:center;font-weight:800;font-size:14px;color:#fff}
.side .logo b{font-size:16px;letter-spacing:.5px}
.side .role-tag{margin:0 16px 12px;padding:5px 10px;border-radius:8px;background:var(--side-hi);
  font-size:12px;color:#8f93a0;display:flex;justify-content:space-between;align-items:center}
.side .role-tag em{font-style:normal;color:#c9cbd4}
.nav{flex:1;overflow-y:auto;padding:4px 10px 16px}
.nav .group{font-size:11px;color:#5b5e69;letter-spacing:2px;margin:16px 10px 6px}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14px;color:#a2a5b0;margin-bottom:2px;cursor:pointer;transition:.15s}
.nav a:hover{background:var(--side-hi);color:#e8e9ee}
.nav a.on{background:linear-gradient(135deg,#4f46e5,#3d36c9);color:#fff;font-weight:600}
.nav a .dot{width:6px;height:6px;border-radius:50%;background:#4a4d59}
.nav a.on .dot{background:#fff}
.side .foot{padding:14px 20px;border-top:1px solid #26282f;font-size:12px;color:#6b6e79}
.side .foot button{background:none;border:none;color:#a2a5b0;cursor:pointer;font-size:13px;padding:0}
.side .foot button:hover{color:#fff}

.main{flex:1;min-width:0;padding:26px 32px 48px}
.top{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:22px}
.top h1{font-size:22px;font-weight:700;letter-spacing:.3px}
.top .sub{font-size:13px;color:var(--ink3);margin-top:4px}
.top .who{font-size:13px;color:var(--ink2)}
.top .who b{color:var(--ink)}

/* ---------- 通用组件 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);
  padding:20px 22px;margin-bottom:18px}
.card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between}
.card h3 .more{font-size:12px;color:var(--ink3);font-weight:400}

.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}}

.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--sh)}
.kpi .lb{font-size:12px;color:var(--ink3)}
.kpi .vl{font-size:24px;font-weight:800;margin-top:6px;letter-spacing:.2px}
.kpi .vl small{font-size:13px;font-weight:500;color:var(--ink3);margin-left:2px}
.kpi .tr{font-size:12px;margin-top:6px;color:var(--ink3)}
.kpi .tr .up{color:var(--ok)} .kpi .tr .down{color:var(--bad)}

table{width:100%;border-collapse:collapse;font-size:13.5px}
th{font-size:12px;font-weight:600;color:var(--ink3);text-align:left;padding:8px 10px;
  border-bottom:1px solid var(--line);white-space:nowrap;letter-spacing:.3px}
td{padding:11px 10px;border-bottom:1px solid #f0eee8;vertical-align:middle;white-space:nowrap}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#fafaf7}
td .sub{display:block;font-size:11.5px;color:var(--ink3);margin-top:2px;white-space:normal}

.chip{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.acc{background:var(--acc-soft);color:var(--acc)}
.chip.gray{background:#f0efeb;color:var(--ink2)}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);color:var(--ink);font-size:13px;font-weight:600;cursor:pointer;transition:.15s}
.btn:hover{border-color:#d5d2c8;background:#fbfaf7}
.btn.pri{background:var(--acc);border-color:var(--acc);color:#fff}
.btn.pri:hover{background:var(--acc-deep)}
.btn.sm{padding:4px 11px;font-size:12px;border-radius:8px}
.btn.danger{color:var(--bad)}
.btn:disabled{opacity:.45;cursor:not-allowed}

.bar{height:6px;border-radius:99px;background:#eeede8;overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#5b54ff,#3d36c9)}

.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink2);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;font-size:14px;background:#fcfbf9;color:var(--ink);outline:none;font-family:inherit;transition:.15s}
.field input:focus,.field select:focus{border-color:var(--acc);background:#fff;box-shadow:0 0 0 3px var(--acc-soft)}

/* ---------- 登录页 ---------- */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.login-hero{background:var(--side);color:#fff;padding:56px 64px;display:flex;flex-direction:column;justify-content:space-between;
  position:relative;overflow:hidden}
.login-hero::after{content:"";position:absolute;right:-140px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,70,229,.5),transparent 65%)}
.login-hero h2{font-size:34px;line-height:1.35;font-weight:800;letter-spacing:1px;max-width:520px}
.login-hero h2 em{font-style:normal;color:#8d86ff}
.login-hero p{color:#8f93a0;margin-top:18px;font-size:14.5px;line-height:1.9;max-width:460px}
.hero-feats{display:flex;gap:26px;margin-top:40px}
.hero-feats div b{display:block;font-size:20px;font-weight:800}
.hero-feats div span{font-size:12px;color:#8f93a0}
.login-panel{display:flex;align-items:center;justify-content:center;padding:48px}
.login-box{width:100%;max-width:360px}
.login-box .logo{display:flex;align-items:center;gap:10px;margin-bottom:34px}
.login-box .logo .mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#5b54ff,#3d36c9);
  display:grid;place-items:center;font-weight:800;color:#fff}
.login-box .logo b{font-size:18px}
.login-box h1{font-size:22px;margin-bottom:6px}
.login-box .tip{font-size:13px;color:var(--ink3);margin-bottom:26px}
.demo-accounts{display:flex;gap:8px;margin-top:18px}
.demo-accounts button{flex:1;padding:8px 4px;border:1px dashed var(--line);background:#fcfbf9;border-radius:10px;
  font-size:12px;color:var(--ink2);cursor:pointer;transition:.15s}
.demo-accounts button:hover{border-color:var(--acc);color:var(--acc)}
.login-msg{font-size:13px;color:var(--bad);margin-top:12px;min-height:18px}

/* ---------- 弹窗 ---------- */
.mask{position:fixed;inset:0;background:rgba(23,24,29,.45);display:none;place-items:center;z-index:50;backdrop-filter:blur(3px)}
.mask.show{display:grid}
.modal{width:100%;max-width:440px;background:#fff;border-radius:18px;padding:26px 28px;box-shadow:0 24px 64px rgba(23,24,29,.25)}
.modal h3{font-size:17px;margin-bottom:20px}
.modal .ops{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
.modal .checks{display:flex;flex-wrap:wrap;gap:8px 16px}
.modal .checks .ck{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink);cursor:pointer}
.modal .checks .ck input{width:auto;accent-color:var(--acc)}
.modal .hint{font-size:12px;color:var(--ink3);margin-top:6px}

/* 访问统计趋势图 */
.vchart{display:flex;align-items:flex-end;gap:18px;height:150px;padding:8px 4px 0}
.vcol{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.vcol .vbars{display:flex;align-items:flex-end;gap:5px;height:100px;width:100%;justify-content:center}
.vcol .vbars i{display:block;width:16px;border-radius:6px 6px 2px 2px}
.vcol .vbars i.pv{background:linear-gradient(180deg,#6d66ff,#4f46e5)}
.vcol .vbars i.uv{background:#c9cbf5}
.vcol span{font-size:11.5px;color:var(--ink3)}
.vcol em{font-style:normal;font-size:11px;color:var(--ink2);font-variant-numeric:tabular-nums}

.empty{padding:36px;text-align:center;color:var(--ink3);font-size:13px}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:12.5px}
.muted{color:var(--ink3);font-size:12.5px}
.mt8{margin-top:8px}.mt16{margin-top:16px}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}