:root{
  --bg: #0f1724;
  --card: #0b1220;
  --accent: #7c3aed;
  --accent-2: #06b6d4;
  --muted: #98a0b3;
  --text: #e6eef8;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: Inter, Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg), #07122a 60%);
  color:var(--text);
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.container{
  width:100%;
  max-width:760px;
}

h1{
  text-align:center;
  margin-bottom:18px;
  color:var(--text);
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border-radius:12px;
  padding:16px;
  box-shadow: 0 8px 30px rgba(2,6,23,0.6);
  margin-bottom:14px;
}

.output{
  display:flex;
  gap:8px;
  align-items:center;
  margin-bottom:12px;
}

#passwordOutput{
  flex:1;
  padding:12px 14px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.06);
  background:rgba(255,255,255,0.02);
  color:var(--text);
  font-weight:600;
  font-size:16px;
}

#copyBtn{
  padding:10px 12px;
  border-radius:8px;
  border:none;
  cursor:pointer;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  color:white;
  font-size:16px;
}

.controls label{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin:10px 0;
  color:var(--muted);
  font-size:14px;
}

input[type="range"]{
  width:160px;
  accent-color: var(--accent);
}

input[type="checkbox"]{
  width:auto;
  transform:scale(1.05);
  margin-right:8px;
}

.buttons-row{
  display:flex;
  gap:10px;
  margin-top:12px;
}

button.primary{
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  border:none;
  padding:10px 14px;
  color:white;
  border-radius:8px;
  cursor:pointer;
  font-weight:600;
}

button{
  background:transparent;
  border:1px solid rgba(255,255,255,0.06);
  color:var(--text);
  padding:8px 10px;
  border-radius:8px;
  cursor:pointer;
}

button:hover{transform:translateY(-2px)}

.strength{
  margin-top:12px;
  display:flex;
  gap:10px;
  align-items:center;
  color:var(--muted);
  font-size:14px;
}

.bar{
  height:10px;
  width:160px;
  background: rgba(255,255,255,0.06);
  border-radius:6px;
  overflow:hidden;
  position:relative;
}

.bar::after{
  content:"";
  position:absolute;
  left:0; top:0; bottom:0;
  width:0%;
  background:linear-gradient(90deg,#f97316,#84cc16);
  transition: width 300ms ease;
}

.history-card{
  margin-top:12px;
  color:var(--muted);
  background: rgba(255,255,255,0.02);
  padding:12px;
  border-radius:10px;
}

.history-card h3{margin:0 0 8px 0;color:var(--text)}
#historyList{list-style:none;padding:0;margin:0;max-height:160px;overflow:auto}
#historyList li{
  padding:8px;
  border-bottom:1px solid rgba(255,255,255,0.03);
  display:flex;
  justify-content:space-between;
  gap:8px;
  font-family:monospace;
  font-size:13px;
}

.small-btn{
  padding:6px 8px;
  font-size:12px;
  border-radius:6px;
  background:transparent;
  color:var(--muted);
  border:1px solid rgba(255,255,255,0.03);
  cursor:pointer;
}
footer{ text-align:center; margin-top:12px; color:var(--muted); font-size:12px }