:root{
  --bg:#0f1216; --panel:#181d24; --panel2:#1f2630; --border:#2a323d;
  --txt:#e6ebf1; --muted:#8b97a6; --accent:#4ade80; --accent2:#38bdf8;
  --warn:#fbbf24; --danger:#f87171; --ok:#34d399;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--txt);font-size:15px}

/* login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;
  padding:36px 32px;width:340px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.login-card .logo{font-size:40px}
.login-card h1{margin:8px 0 4px;font-size:22px}
.login-card .sub{color:var(--muted);margin:0 0 20px;font-size:14px}
.login-card input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);
  background:var(--panel2);color:var(--txt);margin-bottom:14px;font-size:15px}
.login-card button{width:100%;padding:12px;border:none;border-radius:10px;
  background:var(--accent);color:#062814;font-weight:700;font-size:15px;cursor:pointer}
.login-card button:hover{filter:brightness(1.05)}
.err{background:#3a1c1c;border:1px solid #6e2b2b;color:#ffb4b4;padding:9px;border-radius:8px;
  margin-bottom:14px;font-size:13px}

/* layout */
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--border)}
.brand{font-weight:700;font-size:18px}.cube{margin-right:6px}
.topright{display:flex;align-items:center;gap:14px}
.logout{color:var(--muted);text-decoration:none;font-size:14px}
.logout:hover{color:var(--txt)}
.pill{padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600}
.pill-ok{background:#123524;color:var(--accent)}
.pill-bad{background:#3a1c1c;color:var(--danger)}
.pill-muted{background:var(--panel2);color:var(--muted)}

.tabs{display:flex;gap:4px;padding:10px 18px 0;background:var(--panel);
  border-bottom:1px solid var(--border);flex-wrap:wrap}
.tab{background:none;border:none;color:var(--muted);padding:10px 16px;cursor:pointer;
  font-size:14px;border-radius:8px 8px 0 0;border-bottom:2px solid transparent}
.tab:hover{color:var(--txt)}
.tab.active{color:var(--txt);border-bottom-color:var(--accent);background:var(--panel2)}

main{max-width:960px;margin:0 auto;padding:24px 18px}
.panel{display:none;animation:fade .2s ease}
.panel.active{display:block}
@keyframes fade{from{opacity:0}to{opacity:1}}
h3{margin:0 0 14px;font-size:17px}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:24px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}
.card-label{color:var(--muted);font-size:13px;margin-bottom:6px}
.card-val{font-size:22px;font-weight:700}

.playerlist{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.playerlist li{background:var(--panel2);border:1px solid var(--border);padding:6px 14px;border-radius:8px}
.muted{color:var(--muted)}

.tbl{width:100%;border-collapse:collapse;margin-top:8px}
.tbl th,.tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}
.tbl th{color:var(--muted);font-weight:600;font-size:13px}

.btn{background:var(--panel2);border:1px solid var(--border);color:var(--txt);
  padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px}
.btn:hover{filter:brightness(1.15)}
.btn-primary{background:var(--accent2);border-color:var(--accent2);color:#052232;font-weight:600}
.btn-ok{background:var(--ok);border-color:var(--ok);color:#04241a;font-weight:600}
.btn-warn{background:var(--warn);border-color:var(--warn);color:#3a2a05;font-weight:600}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#3a0d0d;font-weight:600}
.btn-sm{padding:5px 10px;font-size:13px;margin-right:5px}
.btnrow{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}

.row-between{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.inline{display:flex;gap:8px;align-items:center}
input[type=text],input[type=number],input[type=password],select{
  background:var(--panel2);border:1px solid var(--border);color:var(--txt);
  padding:8px 11px;border-radius:8px;font-size:14px}
.inline input[type=text]{min-width:220px}

.out{background:#0b0e12;border:1px solid var(--border);border-radius:8px;padding:12px;
  margin:12px 0;font-family:ui-monospace,monospace;font-size:13px;white-space:pre-wrap;min-height:20px;color:var(--muted)}
.out:empty{display:none}

.note{background:var(--panel2);border-left:3px solid var(--accent2);padding:10px 14px;
  border-radius:6px;margin-bottom:16px;font-size:13px;color:#c3ccd6}
.note code{background:#0b0e12;padding:1px 6px;border-radius:4px}

.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.settings-grid label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.settings-grid label input,.settings-grid label select{color:var(--txt)}
.settings-grid .full{grid-column:1/-1}
.inline-msg{margin-left:12px;font-size:13px}

.console-out{background:#0b0e12;border:1px solid var(--border);border-radius:8px;padding:14px;
  font-family:ui-monospace,monospace;font-size:13px;white-space:pre-wrap;min-height:160px;
  max-height:340px;overflow:auto;margin-top:12px}

.share-addr{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--border);
  border-radius:12px;padding:18px;margin-bottom:14px}
.share-addr .addr{font-family:ui-monospace,monospace;font-size:20px;font-weight:700;color:var(--accent)}
.claim{background:var(--warn);color:#3a2a05;padding:12px 16px;border-radius:10px;
  display:inline-block;text-decoration:none;font-weight:700}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);
  background:var(--panel2);border:1px solid var(--border);padding:12px 20px;border-radius:10px;
  opacity:0;transition:.3s;z-index:99;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{border-color:var(--accent)}.toast.bad{border-color:var(--danger)}