:root{
  --bg:#0b1020; --panel:#131a2e; --panel2:#182036; --line:#243049;
  --text:#e8edf7; --muted:#93a1bd; --blue:#4c8dff; --green:#31c48d;
  --amber:#f5a524; --red:#f2555a; --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--blue);text-decoration:none}
.app{display:flex;min-height:100vh}
.sidebar{width:236px;flex:0 0 236px;background:var(--panel);border-right:1px solid var(--line);padding:20px 16px;display:flex;flex-direction:column;gap:18px}
.brand{font-size:19px;font-weight:600;letter-spacing:.2px}
.brand b{color:var(--blue);font-weight:600}
.bolt{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--blue);color:#fff;font-size:15px;margin-right:6px}
nav{display:flex;flex-direction:column;gap:2px}
nav a{padding:10px 12px;border-radius:10px;color:var(--muted);font-weight:500}
nav a:hover{background:var(--panel2);color:var(--text)}
nav a.active{background:rgba(76,141,255,.15);color:#cfe0ff}
.side-note{margin-top:auto;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:12px;font-size:12px;color:var(--muted)}
.side-note strong{color:var(--text);display:block;margin-bottom:4px;font-size:12px}
.side-note p{margin:0}
main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 26px;border-bottom:1px solid var(--line)}
.topbar h1{font-size:19px;margin:0;font-weight:600}
.top-right{display:flex;align-items:center;gap:10px}
.pill{font-size:12px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--panel2);color:var(--muted)}
.pill.on{color:#bff3dc;border-color:#1c6b4d;background:rgba(49,196,141,.12)}
.pill.off{color:#ffd9a8;border-color:#6b4f1c;background:rgba(245,165,36,.1)}
.view{padding:24px 26px;flex:1}
footer{padding:14px 26px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.grid{display:grid;gap:16px}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid.stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));margin-bottom:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card h2{margin:0 0 4px;font-size:16px}
.card p.sub{margin:0 0 14px;color:var(--muted);font-size:13px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat b{display:block;font-size:26px;font-weight:600}
.stat span{color:var(--muted);font-size:12px}
label{display:block;font-size:12px;color:var(--muted);margin:12px 0 6px}
input,select,textarea{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(76,141,255,.4);border-color:var(--blue)}
textarea{min-height:96px;resize:vertical}
.btn{background:var(--blue);border:0;color:#fff;padding:10px 16px;border-radius:10px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:var(--panel2);border:1px solid var(--line);color:var(--text);font-weight:500}
.btn.danger{background:var(--red)}
.btn.small{padding:6px 10px;font-size:12px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.end{justify-content:flex-end}
.mt{margin-top:14px}.mb{margin-bottom:14px}
.check{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:13px;margin:12px 0}
.check input{width:auto;margin-top:3px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:500;font-size:12px}
.tag{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;border:1px solid var(--line);background:var(--panel2);color:var(--muted)}
.tag.green{color:#bff3dc;border-color:#1c6b4d;background:rgba(49,196,141,.12)}
.tag.amber{color:#ffd9a8;border-color:#6b4f1c;background:rgba(245,165,36,.12)}
.tag.red{color:#ffc9cb;border-color:#6b2226;background:rgba(242,85,90,.12)}
.tag.blue{color:#cfe0ff;border-color:#274a86;background:rgba(76,141,255,.12)}
.notice{border-radius:12px;padding:12px 14px;font-size:13px;border:1px solid var(--line);background:var(--panel2);color:var(--muted)}
.notice.warn{border-color:#6b4f1c;background:rgba(245,165,36,.08);color:#ffd9a8}
.notice.info{border-color:#274a86;background:rgba(76,141,255,.08);color:#cfe0ff}
.qr{background:#fff;padding:10px;border-radius:12px;display:inline-block;line-height:0}
.qr img{width:260px;height:260px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;word-break:break-all}
.muted{color:var(--muted)}
.loading{color:var(--muted);padding:30px 0}
.list{display:flex;flex-direction:column;gap:10px}
.item{display:flex;justify-content:space-between;gap:12px;align-items:center;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.item .name{font-weight:600}
.toast{position:fixed;right:20px;bottom:20px;max-width:380px;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:12px;padding:12px 16px;opacity:0;transform:translateY(8px);transition:.2s;pointer-events:none;font-size:14px}
.toast.show{opacity:1;transform:none}
.toast.error{border-left-color:var(--red)}
pre{white-space:pre-wrap;word-break:break-word;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:12px;margin:0}
@media(max-width:820px){
  .app{flex-direction:column}
  .sidebar{width:auto;flex:none;border-right:0;border-bottom:1px solid var(--line)}
  nav{flex-direction:row;overflow-x:auto}
  .side-note{display:none}
  .view,.topbar,footer{padding-left:16px;padding-right:16px}
}