* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; background: #01060d; overflow: hidden;
  font-family: 'Segoe UI', system-ui, sans-serif; }
canvas { display: block; width: 100%; height: 100%; }

.hud {
  position: fixed; top: 16px; left: 18px; color: rgba(255,255,255,0.82);
  font-size: 13px; line-height: 1.7; text-shadow: 0 1px 8px rgba(0,0,0,0.9);
  pointer-events: none; user-select: none;
}
.hud b { color: #fff; font-weight: 600; }
.hud .hrow:first-child b { font-size: 15px; letter-spacing: 0.5px; }
.hud .sub { color: rgba(255,255,255,0.45); font-size: 11px; }

.hud .g, .legend .g { color: #6fe38a; }
.hud .y, .legend .y { color: #ffcf5a; }
.hud .r, .legend .r { color: #ff7a5c; }
.hud .c, .legend .c { color: #7fd8ff; }
.legend .b { color: #bfe9ff; }

.legend {
  position: fixed; bottom: 14px; left: 18px; color: rgba(255,255,255,0.5);
  font-size: 11px; letter-spacing: 0.3px; pointer-events: none; user-select: none;
  display: flex; gap: 14px; text-shadow: 0 1px 6px rgba(0,0,0,0.9);
}
.legend span { font-weight: 700; }

.tooltip {
  position: fixed; z-index: 10; padding: 8px 11px; border-radius: 8px;
  background: rgba(6,16,26,0.92); border: 1px solid rgba(120,190,255,0.25);
  color: #eaf4ff; font-size: 12px; line-height: 1.5; pointer-events: none;
  opacity: 0; transition: opacity 0.15s; box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}
.tooltip b { color: #fff; }
.tooltip .tst { color: #8fb8d8; font-size: 11px; }

.offline {
  position: fixed; top: 16px; right: 18px; padding: 6px 12px; border-radius: 6px;
  background: rgba(120,20,20,0.85); color: #ffdede; font-size: 11px;
  opacity: 0; transition: opacity 0.4s; pointer-events: none;
}

.tooltip .tlock { color: #7f93a8; font-size: 10px; }
.hud .lockmark { color: #6b7c8f; letter-spacing: 1px; }

.lock {
  position: fixed; bottom: 14px; right: 16px; width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; border-radius: 8px; cursor: pointer; user-select: none;
  background: rgba(10,20,32,0.6); border: 1px solid rgba(120,190,255,0.18);
  color: #9fb8d0; transition: all 0.25s; opacity: 0.5;
}
.lock:hover { opacity: 1; border-color: rgba(120,190,255,0.4); }
.lock.open { color: #6fe38a; border-color: rgba(111,227,138,0.4); opacity: 0.9; }
.lock.ok { background: rgba(30,120,50,0.7); color: #d6ffdf; }
.lock.bad { background: rgba(140,30,30,0.8); color: #ffd6d6; }

.pwmodal {
  position: fixed; inset: 0; z-index: 50; display: none;
  align-items: center; justify-content: center;
  background: rgba(2,8,16,0.55); backdrop-filter: blur(3px);
}
.pwmodal.show { display: flex; }
.pwbox {
  width: min(340px, 86vw); padding: 22px; border-radius: 14px;
  background: rgba(12,22,34,0.97); border: 1px solid rgba(120,190,255,0.22);
  box-shadow: 0 20px 60px rgba(0,0,0,0.55); color: #eaf4ff; text-align: center;
}
.pwtitle { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.pwsub { font-size: 12px; color: #8fb0cc; margin-bottom: 16px; }
.pwinput {
  width: 100%; padding: 11px 13px; border-radius: 9px; font-size: 15px;
  background: rgba(4,12,20,0.9); border: 1px solid rgba(120,190,255,0.3);
  color: #fff; outline: none; text-align: center; letter-spacing: 2px;
}
.pwinput:focus { border-color: rgba(120,190,255,0.7); }
.pwerr { min-height: 15px; margin: 8px 0 2px; font-size: 12px; color: #ff8b7a; }
.pwbtns { display: flex; gap: 10px; margin-top: 10px; }
.pwbtn {
  flex: 1; padding: 10px; border-radius: 9px; font-size: 13px; cursor: pointer;
  border: 1px solid transparent; transition: all 0.2s;
}
.pwcancel { background: rgba(255,255,255,0.06); color: #b8c8d8; border-color: rgba(255,255,255,0.12); }
.pwcancel:hover { background: rgba(255,255,255,0.12); }
.pwok { background: #2b6fb0; color: #fff; }
.pwok:hover { background: #3a84cc; }