:root {
  --z-bg: 1;
  --z-login: 10;
}

/* RESET */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  overflow: hidden;
}

/* ================= BACKGROUND ================= */
.bg-scene {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  overflow: hidden;
  pointer-events: none; /* 🔥 PALING PENTING */
}

/* ================= LOGIN ================= */
.login-wrapper {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: var(--z-login);
  padding: 16px;
}

.login-box {
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 12px;
  box-shadow: 0 15px 25px rgba(0,0,0,.6);
  color: #fff;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.15);
}

.login-box h2 {
  text-align: center;
  margin-bottom: 2rem;
}

/* INPUT */
.user-box {
  position: relative;
  margin-bottom: 1.8rem;
}

.user-box input {
  width: 100%;
  padding: 10px 0;
  border: none;
  border-bottom: 1px solid #fff;
  background: transparent;
  color: #fff;
  font-size: 16px;
  outline: none;
}

.user-box label {
  position: absolute;
  top: 10px;
  left: 0;
  color: #aaa;
  pointer-events: none;
  transition: .3s;
}

.user-box input:focus + label,
.user-box input:valid + label {
  top: -14px;
  font-size: 12px;
  color: #03e9f4;
}

/* BUTTON */
button {
  width: 100%;
  padding: 12px;
  background: #03e9f4;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
}

/* MOBILE */
@media (max-width: 768px) {
  #wholeship {
    transform: scale(0.7);
  }
}