/* 03 analytics — 深色 app shell / 侧栏 + KPI + 手绘 SVG 图表 */
:root{
  --bg:#0b0c0f; --panel:#12141a; --panel2:#171a21; --raise:#1d2128;
  --ink:#e9eaee; --ink2:#9aa1ab; --ink3:#666d78;
  --line:rgba(255,255,255,.075); --line2:rgba(255,255,255,.045);
  --accent:oklch(.78 .09 205); --accent-dim:oklch(.62 .07 205);
  --pos:oklch(.78 .11 165); --warn:oklch(.80 .12 75); --neg:oklch(.66 .16 18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar:232px;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:400 14px/1.55 ui-sans-serif,"PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;font-feature-settings:"tnum"}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.mono{font-family:ui-monospace,"SF Mono",Consolas,monospace;font-size:11px;letter-spacing:.06em;color:var(--ink3)}

/* shell */
.shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:16px 12px;gap:6px}
.brand{display:flex;align-items:center;gap:10px;padding:8px 10px 16px}
.brand b{font-size:14.5px;letter-spacing:-.01em}
.brand i{width:22px;height:22px;border-radius:6px;background:linear-gradient(150deg,var(--accent),var(--accent-dim));
  display:grid;place-items:center;color:#06121a;font-style:normal;font-weight:700;font-size:12px}
.workspace{display:flex;align-items:center;gap:8px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;
  font-size:12.5px;color:var(--ink2);margin-bottom:14px}
.workspace span{margin-left:auto;color:var(--ink3)}
.nav-label{padding:12px 10px 6px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3)}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:7px;font-size:13.5px;color:var(--ink2);
  transition:background .16s var(--ease),color .16s var(--ease)}
.nav-item svg{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.6}
.nav-item:hover{background:var(--panel2);color:var(--ink)}
.nav-item[aria-current]{background:var(--raise);color:var(--ink)}
.nav-item[aria-current]::before{content:"";position:absolute;left:0;width:2px;height:18px;background:var(--accent);border-radius:2px}
.nav-item{position:relative}
.nav-item .badge{margin-left:auto;font-size:10.5px;background:var(--raise);color:var(--ink2);padding:1px 6px;border-radius:20px}
.side-foot{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px;border-top:1px solid var(--line2)}
.ava{width:28px;height:28px;border-radius:50%;background:var(--raise);display:grid;place-items:center;font-size:11.5px;color:var(--ink2)}
.side-foot b{font-size:12.5px;font-weight:500;display:block}
.side-foot span{font-size:10.5px;color:var(--ink3)}

.main{min-width:0;display:flex;flex-direction:column}
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;padding:0 22px;height:56px;
  background:rgba(11,12,15,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.crumb{font-size:12.5px;color:var(--ink3)}
.crumb b{color:var(--ink);font-weight:500}
.search{margin-left:auto;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:7px;
  padding:0 10px;height:32px;width:230px;color:var(--ink3);font-size:12.5px;background:var(--panel)}
.search kbd{margin-left:auto;font:500 10px/1 ui-monospace,monospace;border:1px solid var(--line);border-radius:4px;padding:2px 4px}
.icon-btn{width:32px;height:32px;border:1px solid var(--line);border-radius:7px;display:grid;place-items:center;
  background:var(--panel);color:var(--ink2);cursor:pointer;transition:.16s}
.icon-btn:hover{color:var(--ink);border-color:rgba(255,255,255,.16)}
.content{padding:22px;display:grid;gap:16px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.head h1{font-size:19px;font-weight:560;letter-spacing:-.012em}
.head p{font-size:12.5px;color:var(--ink3);margin-top:4px}
.seg{display:flex;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:var(--panel)}
.seg button{appearance:none;background:transparent;border:0;color:var(--ink2);font:inherit;font-size:12px;
  padding:7px 12px;cursor:pointer;transition:.16s}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--raise);color:var(--ink)}
.seg button:hover{color:var(--ink)}

/* kpi */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.kpi{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:14px 15px;position:relative;overflow:hidden}
.kpi .lbl{font-size:11.5px;color:var(--ink3);display:flex;align-items:center;gap:6px}
.kpi .val{font-size:clamp(20px,2.1vw,26px);font-weight:580;margin-top:8px;letter-spacing:-.02em}
.kpi .dlt{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;margin-top:8px;padding:2px 6px;border-radius:20px;
  background:rgba(255,255,255,.04);color:var(--ink2)}
.kpi .dlt.up{color:var(--pos);background:oklch(.78 .11 165/.10)}
.kpi .dlt.down{color:var(--neg);background:oklch(.66 .16 18/.10)}
.kpi .spark{position:absolute;right:0;bottom:0;width:92px;height:44px;opacity:.55}
@media(max-width:1100px){.kpis{grid-template-columns:repeat(2,1fr)}}

/* panels */
.grid-2{display:grid;grid-template-columns:1.62fr 1fr;gap:12px}
@media(max-width:1050px){.grid-2{grid-template-columns:1fr}}
.card{border:1px solid var(--line);background:var(--panel);border-radius:10px;overflow:hidden}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 15px;border-bottom:1px solid var(--line2)}
.card-h h3{font-size:13px;font-weight:540}
.card-h .mono{font-size:10.5px}
.card-b{padding:15px}
.chart{width:100%;height:210px;display:block}
.legend{display:flex;gap:14px;font-size:11.5px;color:var(--ink3);padding-top:10px;flex-wrap:wrap}
.legend i{display:inline-block;width:14px;height:2px;background:var(--accent);margin-right:6px;vertical-align:middle;border-radius:2px}
.legend i.dash{background:repeating-linear-gradient(90deg,var(--ink3) 0 3px,transparent 3px 6px)}

/* bars list */
.hlist{display:grid;gap:11px}
.hrow{display:grid;grid-template-columns:88px 1fr 52px;gap:10px;align-items:center;font-size:12.5px}
.hrow span:first-child{color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar{height:6px;background:var(--panel2);border-radius:20px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:20px;opacity:.85}
.hrow b{text-align:right;font-weight:500;color:var(--ink);font-size:12px}

/* table */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:620px}
th,td{text-align:left;padding:11px 15px;border-bottom:1px solid var(--line2);white-space:nowrap}
th{font-size:11px;font-weight:500;letter-spacing:.05em;color:var(--ink3);background:var(--panel2);text-transform:uppercase}
tbody tr{transition:background .14s}
tbody tr:hover{background:var(--panel2)}
tr:last-child td{border-bottom:0}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;padding:2px 7px;border-radius:20px;
  border:1px solid var(--line);color:var(--ink2)}
.tag.ok{color:var(--pos);border-color:oklch(.78 .11 165/.24);background:oklch(.78 .11 165/.08)}
.tag.warn{color:var(--warn);border-color:oklch(.80 .12 75/.24);background:oklch(.80 .12 75/.08)}
.tag.bad{color:var(--neg);border-color:oklch(.66 .16 18/.24);background:oklch(.66 .16 18/.08)}
.avatar-sm{width:22px;height:22px;border-radius:50%;background:var(--raise);display:inline-grid;place-items:center;
  font-size:10px;color:var(--ink2);margin-right:8px;vertical-align:middle}
.cell-strong{color:var(--ink);font-weight:500}

/* activity */
.acts{display:grid;gap:0}
.act{display:grid;grid-template-columns:26px 1fr auto;gap:10px;align-items:start;padding:11px 0;border-bottom:1px solid var(--line2)}
.act:last-child{border-bottom:0}
.act .pip{width:22px;height:22px;border-radius:6px;background:var(--panel2);display:grid;place-items:center;font-size:10px;color:var(--ink3)}
.act p{font-size:12.5px;color:var(--ink2);line-height:1.5}
.act p b{color:var(--ink);font-weight:500}
.act time{font-size:11px;color:var(--ink3);white-space:nowrap}

/* forms (settings) */
.form{display:grid;gap:14px;max-width:640px}
.field{display:grid;gap:6px}
.field label{font-size:12.5px;color:var(--ink2)}
.field input,.field select,.field textarea{background:var(--panel2);border:1px solid var(--line);border-radius:7px;
  color:var(--ink);font:inherit;font-size:13px;padding:9px 11px;min-height:38px;transition:border-color .16s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent-dim);
  box-shadow:0 0 0 3px oklch(.62 .07 205/.16)}
.field .hint{font-size:11.5px;color:var(--ink3)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.row2{grid-template-columns:1fr}}
.switch{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line2)}
.switch:last-child{border-bottom:0}
.switch p{font-size:12.5px;color:var(--ink3);margin-top:3px;max-width:44ch}
.toggle{position:relative;width:38px;height:22px;flex:none}
.toggle input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.toggle span{position:absolute;inset:0;background:var(--panel2);border:1px solid var(--line);border-radius:20px;transition:.2s}
.toggle span::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;
  background:var(--ink3);transition:.2s var(--ease)}
.toggle input:checked+span{background:oklch(.62 .07 205/.28);border-color:var(--accent-dim)}
.toggle input:checked+span::after{transform:translateX(16px);background:var(--accent)}
.toggle input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.btn{height:34px;padding:0 14px;border-radius:7px;border:1px solid var(--line);background:var(--panel2);
  color:var(--ink);font:inherit;font-size:12.5px;cursor:pointer;transition:.16s}
.btn:hover{border-color:rgba(255,255,255,.18)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#06121a;font-weight:560}
.btn.primary:hover{filter:brightness(1.06)}
.btn-row{display:flex;gap:10px;margin-top:6px}

.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tabs a{padding:9px 14px;font-size:12.5px;color:var(--ink3);border-bottom:2px solid transparent;white-space:nowrap}
.tabs a[aria-current]{color:var(--ink);border-bottom-color:var(--accent)}
.tabs a:hover{color:var(--ink)}

@media(max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;align-items:center;overflow-x:auto;padding:10px;gap:8px;
    border-right:0;border-bottom:1px solid var(--line)}
  .brand{padding:0 8px 0 0}.brand b{display:none}
  .workspace,.nav-label,.side-foot{display:none}
  .nav-item{white-space:nowrap;padding:7px 10px}
  .nav-item[aria-current]::before{display:none}
  .search{display:none}
  .content{padding:14px}
}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}