* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

/* Background */
body {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Glass Card */
.card {
  position: relative;
  width: 100%;
  max-width: 400px;
  padding: 25px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

/* Noise */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23noise)' opacity='0.15'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* Title */
h2 {
  color: #fff;
  text-align: center;
  margin-bottom: 15px;
}

/* Password input */
.password-field {
  position: relative;
}

.password-field input {
  width: 100%;
  padding: 12px 40px 12px 12px;
  border-radius: 8px;
  border: none;
  outline: none;
}

#toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
}

/* Strength bar */
.strength-bar {
  height: 8px;
  margin-top: 12px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 5px;
  overflow: hidden;
}

#strength-indicator {
  height: 100%;
  width: 0%;
  transition: 0.3s;
}

/* Strength text */
#strength-text {
  text-align: center;
  color: #fff;
  margin: 10px 0;
  font-weight: bold;
}

/* Rules */
.rules {
  list-style: none;
  font-size: 14px;
  margin-bottom: 10px;
}

.rules li {
  color: #ffb4b4;
}

.valid {
  color: #7CFFB2;
}

/* Suggestions */
.suggestion-box {
  background: rgba(255, 255, 255, 0.2);
  padding: 10px;
  border-radius: 10px;
  font-size: 13px;
  color: #fff;
}

/* Responsive */
@media (max-width: 480px) {
  .card {
    padding: 20px;
  }
}