#alertBox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 22, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 10px 22px;
  border-radius: 12px;
}

#alertBox > div {
  width: 92%;
  max-width: 440px;
  background: #e8edf2;
  color: #e8edf2;
  border-radius: 16px;
  padding: 26px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  animation: alertPop .25s ease-out;
}

#alertMsg {
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  margin: 4px 0 14px;
  color: #101010;
}

#codeBox {
  display: none;
  margin: 12px 0 10px;
  background: rgba(255,255,255,0.04);
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 14px;
}

#codeText {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  letter-spacing: .3px;
  word-break: break-all;
  color: #b7d1ff;
  margin-bottom: 10px;
}

#copyBtn,
#yesBtn,
#noBtn,
#closeBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  height: 40px;
  padding: 0 14px;
  margin: 6px 6px 0;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .2px;
  cursor: pointer;
  transition: transform .04s ease, filter .2s ease, box-shadow .2s ease;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

#copyBtn {
  background: #5865f2;
  color: #ffffff;
}
#copyBtn:hover { filter: brightness(1.07); }
#copyBtn:active { transform: translateY(1px); }
#copyBtn:focus-visible { outline: 2px solid #9db0ff; outline-offset: 2px; }

#yesBtn {
  background: #16a34a;
  color: #ffffff;
}
#yesBtn:hover { filter: brightness(1.06); }
#yesBtn:active { transform: translateY(1px); }
#yesBtn:focus-visible { outline: 2px solid #7ce2a6; outline-offset: 2px; }

#noBtn {
  background: #f59e0b;
  color: #0f141a;
}
#noBtn:hover { filter: brightness(1.05); }
#noBtn:active { transform: translateY(1px); }
#noBtn:focus-visible { outline: 2px solid #ffd089; outline-offset: 2px; }

#closeBtn {
  background: #334155;
  color: #e8edf2;
}
#closeBtn:hover { filter: brightness(1.08); }
#closeBtn:active { transform: translateY(1px); }
#closeBtn:focus-visible { outline: 2px solid #9fb3c8; outline-offset: 2px; }

#copyBtn[disabled],
#yesBtn[disabled],
#noBtn[disabled],
#closeBtn[disabled] {
  opacity: .6;
  cursor: not-allowed;
  box-shadow: none;
}

@keyframes alertPop {
  from { opacity: 0; transform: translateY(6px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}