:root{--bg:#0e0f17;--panel:#161827;--line:#262a3f;--txt:#e8eaf6;--muted:#8a90ad;--acc:#7c5cff;--ok:#2fd57d;--bad:#ff5c6c}
*{box-sizing:border-box}
body{margin:0;font:14px/1.5 system-ui,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--txt)}
#app{min-height:100vh;display:flex;flex-direction:column}
header{display:flex;align-items:center;gap:24px;padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--line)}
.logo{font-weight:800;font-size:20px;color:var(--acc);letter-spacing:1px}
nav{display:flex;gap:6px;flex:1}
nav button{background:none;border:none;color:var(--muted);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px}
nav button.active{background:var(--acc);color:#fff}
.userbox{margin-left:auto;display:flex;align-items:center;gap:12px;color:var(--muted)}
.userbox button{background:none;border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:6px 12px;cursor:pointer}
main{padding:22px;max-width:1200px;width:100%;margin:0 auto}
.card,section{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px}
h1,h2{margin:0 0 14px;font-size:18px}
input{border:1px solid var(--line);background:#0f1120;color:var(--txt);border-radius:8px;padding:9px 12px;width:100%;margin-bottom:10px}
button{border:none;border-radius:8px;padding:10px 16px;background:var(--acc);color:#fff;cursor:pointer;font-size:14px}
button.link{background:none;color:var(--acc);padding:0;text-decoration:underline}
.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.toolbar input{width:260px;margin:0}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.err{color:var(--bad)}
.hint,.muted{color:var(--muted);font-size:13px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.grid .cell{background:#0f1120;border:1px solid var(--line);border-radius:10px;padding:14px}
.grid .cell b{font-size:22px;display:block}
.status{font-size:12px;padding:3px 8px;border-radius:20px}
.status.on{background:rgba(47,213,125,.15);color:var(--ok)}
.status.off{background:rgba(255,92,108,.15);color:var(--bad)}