:root{
  --dark-black:#000;
  --bg-black-03:#0d0d0f;
  --light-black:#0e0e10;
  --border-color-01:#2c2c2c;
  --text-gray:#ccc;
  --color-primary:#56dcad;
  --danger:#e5584f;
  --warn:#e0b34d;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
/* the [hidden] attribute must always win: some elements below also set an
   explicit `display` (via id/class), which would otherwise out-specificity
   the UA's default `[hidden]{display:none}` and stay visible on top of
   everything else (this bit us on #modal-backdrop, which stayed painted as
   a full-screen overlay over the login form from the very first page load). */
[hidden]{display:none !important}
body{
  background:var(--dark-black);
  color:var(--text-gray);
  font-family:"Golos Text",Inter,sans-serif;
  -webkit-font-smoothing:antialiased;
}

.screen{min-height:100vh}

/* ---------- login ---------- */
#login-screen{display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{
  width:100%;max-width:380px;
  background:var(--bg-black-03);
  border:1px solid var(--border-color-01);
  border-radius:16px;
  padding:36px 32px;
  display:flex;flex-direction:column;gap:18px;
}
.brand{font-size:28px;font-weight:700;color:#fff;letter-spacing:0.02em}
.brand-sub{font-size:13px;color:#8a8a8a;margin-top:-10px}
.field{display:flex;flex-direction:column;gap:8px;font-size:13px;color:#9a9a9a}
.field input{
  background:var(--light-black);
  border:1px solid var(--border-color-01);
  border-radius:10px;
  color:#fff;
  padding:12px 14px;
  font-size:15px;
  font-family:"JetBrains Mono",Consolas,monospace;
  letter-spacing:0.03em;
}
.field input:focus{outline:none;border-color:var(--color-primary)}
.error-text{color:var(--danger);font-size:13px;min-height:16px}

/* ---------- buttons ---------- */
.btn{
  border:1px solid var(--border-color-01);
  background:transparent;
  color:var(--text-gray);
  border-radius:10px;
  padding:10px 16px;
  font-family:inherit;
  font-size:14px;
  font-weight:500;
  cursor:pointer;
  transition:background .15s ease, border-color .15s ease, opacity .15s ease;
}
.btn:hover{border-color:#444}
.btn:disabled{opacity:.5;cursor:default}
.btn-block{width:100%}
.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#04241a;font-weight:600}
.btn-primary:hover{opacity:.9}
.btn-ghost{color:#9a9a9a}
.btn-danger{color:var(--danger);border-color:var(--danger)}
.btn-danger:hover{background:rgba(229,88,79,.1)}
.btn-sm{padding:6px 10px;font-size:12px;border-radius:8px}

/* ---------- app shell ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;
  border-bottom:1px solid var(--border-color-01);
}
.brand-sm{font-size:18px}
.brand-sub-inline{color:#7a7a7a;font-weight:400;font-size:13px;margin-left:8px}
.content{padding:28px;max-width:1200px;margin:0 auto}

.panel{background:var(--bg-black-03);border:1px solid var(--border-color-01);border-radius:16px;padding:24px}
.panel-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.panel-head h1{font-size:18px;color:#fff;margin:0;font-weight:600}
.panel-actions{display:flex;gap:10px;align-items:center}
.input{
  background:var(--light-black);
  border:1px solid var(--border-color-01);
  border-radius:10px;
  color:#fff;
  padding:9px 12px;
  font-family:inherit;
  font-size:13px;
}
.input:focus{outline:none;border-color:var(--color-primary)}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{
  text-align:left;color:#8a8a8a;font-weight:500;text-transform:uppercase;
  font-size:11px;letter-spacing:.04em;padding:10px 12px;border-bottom:1px solid var(--border-color-01);
  white-space:nowrap;
}
td{padding:12px;border-bottom:1px solid #1c1c1e;color:#ddd;white-space:nowrap}
tr:last-child td{border-bottom:none}
.mono{font-family:"JetBrains Mono",Consolas,monospace;font-size:12px;color:#9a9a9a}
.badge{display:inline-block;padding:3px 9px;border-radius:100px;font-size:11px;font-weight:600}
.badge-admin{background:rgba(86,220,173,.15);color:var(--color-primary)}
.badge-user{background:rgba(255,255,255,.06);color:#9a9a9a}
.badge-banned{background:rgba(229,88,79,.15);color:var(--danger)}
.badge-active{background:rgba(86,220,173,.15);color:var(--color-primary)}
.badge-tariff{background:rgba(224,179,77,.15);color:var(--warn)}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.empty-state{padding:40px;text-align:center;color:#6a6a6a;font-size:14px}

/* ---------- modal ---------- */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  display:flex;align-items:center;justify-content:center;z-index:50;padding:20px;
}
.modal{
  background:var(--bg-black-03);border:1px solid var(--border-color-01);border-radius:16px;
  padding:28px;width:100%;max-width:420px;
}
.modal h2{margin:0 0 16px;font-size:16px;color:#fff}
.modal .field{margin-bottom:14px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.key-reveal{
  font-family:"JetBrains Mono",Consolas,monospace;background:var(--light-black);
  border:1px solid var(--color-primary);border-radius:10px;padding:14px;
  color:var(--color-primary);font-size:15px;letter-spacing:.03em;word-break:break-all;margin-bottom:10px;
}
.key-warn{font-size:12px;color:var(--warn)}
select.input{appearance:none}

/* ---------- toast ---------- */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:#161618;border:1px solid var(--border-color-01);color:#fff;
  padding:12px 20px;border-radius:10px;font-size:13px;z-index:100;
}
.toast.error{border-color:var(--danger);color:var(--danger)}

@media (max-width:640px){
  .content{padding:16px}
  .panel{padding:16px}
  .panel-head{align-items:stretch}
  .panel-actions{flex-direction:column;align-items:stretch}
}