.guess-form{
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
}
.guess-input{
  width:220px;
  padding:16px 20px;
  background:rgba(63,242,255,0.06);
  border:1px solid rgba(63,242,255,0.35);
  border-radius:2px;
  color:#fff;
  font-family:'Orbitron',sans-serif;
  font-size:24px;
  letter-spacing:.5em;
  text-align:center;
  outline:none;
  transition:border-color .25s, box-shadow .25s;
}
.guess-input::placeholder{color:rgba(255,255,255,0.2);letter-spacing:.5em;}
.guess-input:focus{
  border-color:var(--cyan);
  box-shadow:0 0 18px rgba(63,242,255,0.4);
}

.history{
  margin-top:30px;
  border:1px solid rgba(63,242,255,0.18);
  border-radius:4px;
  overflow:hidden;
}
.history-row{
  display:grid;
  grid-template-columns:50px 1fr 2fr;
  align-items:center;
  padding:12px 18px;
  font-size:13px;
  border-bottom:1px solid rgba(63,242,255,0.1);
}
.history-row:last-child{border-bottom:none;}
.history-head{
  font-family:'Orbitron',sans-serif;
  font-size:11px;
  letter-spacing:.2em;
  color:var(--cyan-dim);
  background:rgba(63,242,255,0.06);
}
.history-num{
  font-family:'Orbitron',sans-serif;
  letter-spacing:.2em;
  color:#fff;
}
.hints{
  display:flex;
  gap:6px;
  justify-content:flex-start;
  flex-wrap:wrap;
}
.hint{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:52px;
  padding:4px 8px;
  border-radius:2px;
  font-family:'Orbitron',sans-serif;
  font-size:10px;
  letter-spacing:.05em;
  border:1px solid transparent;
}
.hint.same{color:var(--success);border-color:rgba(77,255,160,0.4);background:rgba(77,255,160,0.08);}
.hint.up{color:var(--cyan);border-color:rgba(63,242,255,0.4);background:rgba(63,242,255,0.08);}
.hint.down{color:var(--magenta);border-color:rgba(192,77,255,0.4);background:rgba(192,77,255,0.08);}

.restart-btn{
  display:none;
  margin:34px auto 0;
}
.restart-btn.show{display:inline-flex;}

@media (max-width:480px){
  .history-row{grid-template-columns:36px 1fr 2fr;padding:10px 12px;font-size:12px;}
  .guess-input{width:180px;font-size:20px;}
}