.color-layout{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(360px,1fr));
  gap:24px;
  margin-bottom:28px;
}

.card{
  background:var(--dark-gray);
  border:1px solid var(--light-gray);
  border-radius:18px;
  padding:24px;
  min-height:100%;
}

.card h3{
  font-family:'Fredoka',sans-serif;
  color:var(--gold);
  font-size:1.3em;
  margin-bottom:16px;
}

.primary-color-block{
  border-radius:18px;
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  color:var(--black);
  min-height:220px;
  position:relative;
  overflow:hidden;
}

.primary-color-block button{
  align-self:flex-start;
}

.primary-hex{
  font-family:'JetBrains Mono',monospace;
  font-size:2rem;
  font-weight:600;
}

.primary-details{
  font-family:'JetBrains Mono',monospace;
  font-size:1rem;
  opacity:.9;
}

.control-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;
  margin:20px 0;
}

.toggle-pill{
  display:flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--light-gray);
  border-radius:999px;
  padding:10px 16px;
  background:var(--medium-gray);
  color:var(--cream);
  font-family:'Fredoka',sans-serif;
  cursor:pointer;
  transition:all .2s ease;
}

.toggle-pill input{
  accent-color:var(--gold);
}

.button-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.palette-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:14px;
}

.swatch{
  border-radius:16px;
  padding:18px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:12px;
  min-height:180px;
  position:relative;
  color:var(--black);
}

.swatch .hex{
  font-family:'JetBrains Mono',monospace;
  font-size:1.2rem;
  font-weight:600;
}

.swatch .copy-btn{
  align-self:flex-start;
  border:none;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(0,0,0,.35);
  color:#fff;
  font-size:.85rem;
  cursor:pointer;
  transition:opacity .2s ease;
}

.swatch .copy-btn:hover{
  opacity:.85;
}

.history{
  margin-top:32px;
  border:1px solid var(--light-gray);
  border-radius:18px;
  padding:24px;
  background:#111;
}

.history-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}

.history-list{
  margin-top:18px;
  border:1px dashed var(--light-gray);
  border-radius:14px;
  padding:18px;
  max-height:360px;
  overflow:auto;
}

.history-entry{
  border:1px solid rgba(251,139,36,.45);
  border-radius:14px;
  padding:16px;
  margin-bottom:14px;
  background:#151515;
}

.history-entry h4{
  font-family:'Fredoka',sans-serif;
  color:var(--gold);
  margin-bottom:6px;
}

.history-palette{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.history-swatch{
  width:34px;
  height:34px;
  border-radius:10px;
  border:1px solid rgba(0,0,0,.25);
}

.history-entry p{
  margin:8px 0 0;
  font-family:'JetBrains Mono',monospace;
  font-size:.85rem;
  opacity:.75;
}

.hint{
  margin-top:8px;
  font-size:.9em;
  opacity:.7;
}

@media(max-width:640px){
  .primary-color-block{min-height:200px}
  .palette-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
  .swatch{min-height:150px}
}