:root{
  /* DeltaServers palette */
  --bg:#07111f; --panel:#0f1b2d; --panel2:#13233a; --card:#0d1828;
  --border:#1b2a42; --border2:#26384f;
  --tx:#eff5ff; --muted:#9fb2d3; --faint:#6b7c9c;
  --accent:#66b2ff; --accent2:#7a6cff;
  --ok:#30c48d; --okbg:rgba(48,196,141,.13); --okbd:rgba(48,196,141,.34);
  --bad:#f06a7b; --badbg:rgba(240,106,123,.13); --badbd:rgba(240,106,123,.34);
  --warn:#f0b44d;
}
html[data-theme="light"]{
  --bg:#f6f7f9; --panel:#ffffff; --panel2:#eef1f5; --card:#ffffff;
  --border:#e3e5ea; --border2:#d5d8de;
  --tx:#161b26; --muted:#5f6675; --faint:#8a909c;
  --accent:#4b5ff0; --accent2:#7a6cff;
  --ok:#16a34a; --okbg:#e7f6ec; --okbd:#bfe6cb;
  --bad:#dc2626; --badbg:#fdecec; --badbd:#f4c9c9;
  --warn:#b45309;
}
html[data-theme="light"] .sidebar{background:#ffffff}
html[data-theme="light"] .topbar{background:rgba(255,255,255,.8)}
html[data-theme="light"] .card{background:#ffffff}
html[data-theme="light"] input,html[data-theme="light"] select{background:#f7f8fa;color:#161b26}
html[data-theme="light"] .xmrbox{background:#f2f4f7;color:#161b26}
html[data-theme="light"] .btn{background:#f2f4f7}
html[data-theme="light"] .nav a.on{color:#161b26}
html[data-theme="light"] dialog.modal{background:#ffffff}
html[data-theme="light"] .brand,html[data-theme="light"] .topbar h1,html[data-theme="light"] .stat .v{color:#161b26}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--tx);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5}
a{color:inherit;text-decoration:none}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}

/* ---------- layout shell ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{width:248px;flex:0 0 248px;background:linear-gradient(180deg,#0d1424,#0a0f1c);border-right:1px solid var(--border);padding:20px 14px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;font-weight:800;font-size:17px;letter-spacing:-.4px}
.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--accent2),var(--accent));display:grid;place-items:center;color:#06101f;font-weight:900}
.logo-img{background:none !important}
.logo-img img{width:100%;height:100%;object-fit:contain;display:block}
.appfoot{margin-top:auto;padding:16px 26px;border-top:1px solid var(--border);color:var(--faint);font-size:12px;text-align:center}
.nav{display:flex;flex-direction:column;gap:3px;margin-top:6px}
.nav .label{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--faint);padding:14px 10px 6px;font-weight:700}
.nav a{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:10px;color:var(--muted);font-weight:600;font-size:13px;transition:.15s}
.nav a svg{width:17px;height:17px;flex:0 0 17px;stroke:currentColor;fill:none;stroke-width:1.9}
.nav a:hover{background:var(--panel2);color:var(--tx)}
.nav a.on{background:linear-gradient(135deg,rgba(59,130,246,.22),rgba(34,211,238,.14));color:#fff;box-shadow:inset 0 0 0 1px var(--border2)}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:14px;padding:16px 26px;border-bottom:1px solid var(--border);background:rgba(10,15,28,.7);backdrop-filter:blur(6px);position:sticky;top:0;z-index:20}
.topbar h1{font-size:18px;font-weight:800;margin:0;letter-spacing:-.3px}
.topbar .spacer{flex:1}
.who{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px}
.who .av{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--accent2),var(--accent));display:grid;place-items:center;color:#06101f;font-weight:800;font-size:13px}
.content{padding:24px 26px;max-width:1120px;width:100%}

/* ---------- cards / grid ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-bottom:18px}
.card{background:linear-gradient(160deg,var(--panel),var(--card));border:1px solid var(--border);border-radius:14px;padding:18px 20px;box-shadow:0 10px 26px -14px rgba(0,0,0,.5)}
.card h2{font-size:14px;font-weight:700;margin:0 0 4px}
.card .note{color:var(--muted);font-size:12.5px;margin:0 0 14px}
.stat{display:flex;flex-direction:column;gap:6px}
.stat .k{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.stat .v{font-size:26px;font-weight:800;letter-spacing:-.5px}
.stat .v.small{font-size:18px}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em;padding:0 10px 10px}
td{padding:11px 10px;border-top:1px solid var(--border);vertical-align:middle}
tr:hover td{background:rgba(255,255,255,.015)}

/* ---------- pills ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;border:1px solid var(--border);color:var(--muted)}
.pill .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.on{background:var(--okbg);border-color:var(--okbd);color:var(--ok)}
.pill.off{background:var(--badbg);border-color:var(--badbd);color:var(--bad)}
.pill.warn{background:rgba(240,180,77,.13);border-color:rgba(240,180,77,.35);color:var(--warn)}

/* ---------- forms ---------- */
label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px}
input,select{padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0e1526;color:var(--tx);font-size:13.5px;font-family:inherit;width:100%}
input:focus,select:focus{outline:0;border-color:var(--accent2);box-shadow:0 0 0 3px rgba(59,130,246,.16)}
.field{margin-bottom:13px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row{display:flex;gap:9px;align-items:center}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 15px;border-radius:10px;border:1px solid var(--border);background:var(--panel2);color:var(--tx);font-weight:600;font-size:13px;cursor:pointer;font-family:inherit;transition:.15s;text-decoration:none}
.btn:hover{border-color:#34507f}
.btn.pri{background:linear-gradient(135deg,var(--accent2),var(--accent));border:0;color:#06101f}
.btn.ok{background:linear-gradient(135deg,#22c55e,#4ade80);border:0;color:#06101f}
.btn.danger{background:var(--badbg);border-color:var(--badbd);color:var(--bad)}
.btn.sm{padding:6px 11px;font-size:12px}
.btn.block{width:100%}
.actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- flash ---------- */
.flash{padding:11px 14px;border-radius:10px;margin-bottom:16px;font-weight:600;font-size:13px;border:1px solid}
.flash.ok{background:var(--okbg);border-color:var(--okbd);color:#86efac}
.flash.err{background:var(--badbg);border-color:var(--badbd);color:#fca5a5}

/* ---------- progress ---------- */
.prog{height:8px;border-radius:999px;background:#1a2440;overflow:hidden;margin:10px 0 6px}
.prog > i{display:block;height:100%;background:linear-gradient(90deg,var(--accent2),var(--accent))}
.muted{color:var(--muted)}
.lead{color:var(--muted);font-size:13.5px;margin:0 0 18px}
h1.page{font-size:22px;font-weight:800;letter-spacing:-.4px;margin:0 0 4px}

/* ---------- modal ---------- */
dialog.modal{border:1px solid var(--border2);border-radius:18px;padding:0;color:var(--tx);width:min(560px,94vw);background:linear-gradient(160deg,#121b30,#0d1424);box-shadow:0 40px 90px -24px #000}
dialog.modal::backdrop{background:rgba(5,9,18,.62);backdrop-filter:blur(3px)}
.modal .m-h{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal .m-h b{font-size:15px;display:block}
.modal .m-h small{color:var(--muted);font-size:12px}
.modal .m-x{margin-left:auto;background:none;border:0;color:var(--muted);cursor:pointer;font-size:22px;line-height:1}
.modal .m-b{padding:20px 22px}
.modal .m-f{display:flex;gap:10px;justify-content:flex-end;padding:14px 22px;border-top:1px solid var(--border)}
.m-sub{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);margin:6px 0 12px;padding-top:12px;border-top:1px solid var(--border)}

/* ---------- auth ---------- */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth .box{width:min(400px,94vw)}
.auth .logo-row{display:flex;align-items:center;gap:11px;justify-content:center;margin-bottom:22px;font-weight:800;font-size:20px}
.auth .logo-row .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent2),var(--accent));display:grid;place-items:center;color:#06101f;font-weight:900}
.auth .logo-row .logo-img{background:none}
.auth .card{padding:26px 24px}
.auth h1{font-size:19px;margin:0 0 4px;font-weight:800}
.auth .sub{color:var(--muted);font-size:13px;margin:0 0 20px}
.auth .foot{text-align:center;color:var(--muted);font-size:12.5px;margin-top:16px}
.auth a.link{color:var(--accent)}
.xmrbox{background:#0b1222;border:1px dashed var(--border2);border-radius:12px;padding:14px;word-break:break-all;font-family:ui-monospace,monospace;font-size:12.5px;color:var(--tx)}

@media(max-width:820px){
  .sidebar{position:fixed;left:-260px;transition:.2s;z-index:50}
  .sidebar.open{left:0}
  .content{padding:18px 16px}
  .topbar{padding:14px 16px}
}

/* ---------- signup captcha ---------- */
.captcha img{display:block;width:100%;height:auto;margin:2px 0 8px;border-radius:14px;box-shadow:0 0 0 1px var(--border),0 10px 24px -14px rgba(0,0,0,.6)}
.captcha input{text-transform:uppercase;letter-spacing:.12em;font-weight:700}
.captcha input::placeholder{text-transform:none;letter-spacing:normal;font-weight:400}
.captcha .refresh{display:inline-block;margin-top:6px;font-size:12px}
.hp{position:absolute!important;left:-10000px!important;top:auto;width:1px;height:1px;overflow:hidden}