:root{
  --ink:#0f141b; --base:#141a23; --surface:#1b2330; --surface-2:#222c3b; --steel:#2f3b4d; --steel-2:#3d4b60;
  --text:#edf1f6; --text-2:#aab6c6; --text-3:#6f7d92;
  --amber:#f3b23e; --amber-2:#ffc866; --amber-ink:#2a1d05;
  --live:#3ee08a; --trouble:#f3b23e; --down:#ff5c5c; --idle:#6f7d92;
  --r-lg:22px; --r:14px; --r-sm:9px;
  --font:"Manrope",ui-sans-serif,system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{background:var(--ink)}
body{margin:0;min-height:100vh;color:var(--text);font:500 15px/1.55 var(--font);-webkit-font-smoothing:antialiased;
     background:
       radial-gradient(1200px 600px at 80% -10%, rgba(243,178,62,.10), transparent 60%),
       radial-gradient(900px 500px at -10% 110%, rgba(62,224,138,.06), transparent 60%),
       var(--ink)}
a{color:var(--amber-2)}
button{font:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- shell ---------- */
.shell{max-width:1080px;margin:0 auto;padding:22px 20px 90px}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:34px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.brand svg{width:34px;height:34px}
.brand b{font-weight:800;font-size:18px;letter-spacing:-.01em}
.brand span{color:var(--text-3);font-weight:600;font-size:13px;margin-left:8px}
.topright{display:flex;align-items:center;gap:10px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-sm);padding:11px 16px;font-weight:700;font-size:14px;cursor:pointer;color:var(--amber-ink);background:var(--amber);transition:background .15s,transform .05s}
.btn:hover{background:var(--amber-2)} .btn:active{transform:translateY(1px)}
.btn.quiet{background:var(--surface-2);color:var(--text);border:1px solid var(--steel)}
.btn.quiet:hover{background:var(--steel);border-color:var(--steel-2)}
.btn.sm{padding:7px 11px;font-size:13px;font-weight:600}
.btn.icon{padding:7px 9px;min-width:34px}
.btn[disabled]{opacity:.45;cursor:default;transform:none}
.btn.danger:hover{background:rgba(255,92,92,.14);border-color:rgba(255,92,92,.5);color:#ffb3b3}

/* ---------- forms ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.field input{width:100%;background:var(--base);border:1px solid var(--steel);color:var(--text);border-radius:var(--r-sm);padding:12px 13px;font:inherit;font-size:15px;outline:0;transition:border-color .15s}
.field input:focus{border-color:var(--amber)}
.field input.code{font-family:var(--mono);font-size:17px;letter-spacing:.14em;text-transform:uppercase}
.field .hint{font-size:12.5px;color:var(--text-3);margin-top:6px}
.error{color:#ffb3b3;font-size:13.5px;margin-top:10px;min-height:20px}
.hidden{display:none!important}

/* ---------- login ---------- */
.login{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;min-height:62vh}
@media(max-width:820px){.login{grid-template-columns:1fr;gap:26px;min-height:0}}
.login h1{font-size:clamp(30px,4.2vw,44px);line-height:1.08;font-weight:800;letter-spacing:-.025em;margin:0 0 14px}
.login p.lead{color:var(--text-2);font-size:16px;max-width:46ch;margin:0 0 22px}
.tv{width:100%;max-width:520px;display:block;margin:0 auto}
.panel{background:var(--surface);border:1px solid var(--steel);border-radius:var(--r-lg);padding:26px}
.panel h2{margin:0 0 4px;font-size:19px;font-weight:800;letter-spacing:-.01em}
.panel .sub{margin:0 0 20px;color:var(--text-2);font-size:14px}

.empty{border:1px dashed var(--steel-2);border-radius:var(--r);padding:30px 20px;text-align:center;color:var(--text-2)}
.empty b{display:block;color:var(--text);font-size:16px;margin-bottom:4px}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,10px);background:var(--surface-2);border:1px solid var(--steel-2);color:var(--text);padding:11px 16px;border-radius:12px;font-size:14px;font-weight:600;opacity:0;transition:.22s;pointer-events:none;box-shadow:0 12px 40px rgba(0,0,0,.45)}
.toast.show{opacity:1;transform:translate(-50%,0)}