.kalkulator-pc h1, .kalkulator-pc h2, .kalkulator-pc h3 {
  text-align: center;
}
.kalkulator-pc form {
  margin-top: 20px;
}
.kalkulator-pc select, .kalkulator-pc button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
}
.kalkulator-pc .card {
  border: 1px solid #ccc;
  border-radius: 12px;
  padding: 15px 20px;
  margin: 15px 0;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.kalkulator-pc .card h3 {
  margin-top: 0;
  color: #2c3e50;
}
.kalkulator-pc .card ul {
  padding-left: 20px;
}
.kalkulator-pc .card li {
  margin-bottom: 5px;
}

.kalkulator-pc-share {
  text-align: center;
  margin-top: 20px;
}
.kalkulator-pc-share .share-btn {
  display: inline-block;
  margin: 5px;
  padding: 8px 12px;
  border-radius: 6px;
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.share-btn.wa { background: #25D366; }
.share-btn.tg { background: #0088cc; }
.share-btn.fb { background: #3b5998; }
.share-btn.tw { background: #1da1f2; }

.print-btn, .img-btn {
  margin: 10px 5px;
  padding: 10px 15px;
  background: #0073aa;
  border: none;
  color: white;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
}
.print-btn:hover, .img-btn:hover {
  background: #005f8d;
}

.kalkulator-pc-mode-toggle label {
  font-weight: bold;
}
.kalkulator-pc-tips {
  background: #f0f8ff;
  border-left: 5px solid #0073aa;
  padding: 15px 20px;
  border-radius: 6px;
  font-size: 0.95em;
}

.fav-btn {
  margin-top: 10px;
  padding: 10px 20px;
  background-color: #e91e63;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}
.fav-btn:hover {
  background-color: #c2185b;
}
.favorites-output {
  background: #fff3f6;
  border-left: 5px solid #e91e63;
  padding: 15px;
  margin-top: 30px;
  border-radius: 6px;
}
.favorites-output ul {
  list-style: none;
  padding-left: 0;
}
.favorites-output li {
  margin-bottom: 10px;
  padding: 10px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
}
.favorites-output button {
  margin-top: 10px;
  padding: 5px 10px;
  background: #f44336;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.kalkulator-pc {
  max-width: 100%;
  padding: 16px;
  box-sizing: border-box;
}
.kalkulator-pc form,
.kalkulator-pc-share,
.kalkulator-pc-actions,
.favorites-output {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kalkulator-pc select, 
.kalkulator-pc button,
.fav-btn {
  width: 100%;
  font-size: 1rem;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
@media (min-width: 640px) {
  .kalkulator-pc form,
  .kalkulator-pc-share,
  .kalkulator-pc-actions,
  .favorites-output {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .kalkulator-pc select,
  .kalkulator-pc button,
  .fav-btn {
    width: auto;
    flex: 1;
    margin: 4px;
  }
}

.kalkulator-pc-faq {
  margin-top: 40px;
  background: #f7f9fb;
  border-left: 4px solid #0073aa;
  padding: 20px;
  border-radius: 8px;
}
.kalkulator-pc-faq h2 {
  margin-bottom: 15px;
}
.kalkulator-pc-faq div {
  margin-bottom: 10px;
}
.kalkulator-pc-tips {
  margin-top: 25px;
  padding: 15px;
  background: #fff3cd;
  border-left: 4px solid #ffc107;
  border-radius: 6px;
}

.card {
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 16px;
  margin-top: 20px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}
.card h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: #333;
}
.card ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.card li {
  padding: 4px 0;
  border-bottom: 1px dashed #ddd;
}

.kalkulator-pc-share {
  margin-top: 20px;
}
.kalkulator-pc-share a {
  margin-right: 8px;
  padding: 6px 10px;
  border-radius: 5px;
  text-decoration: none;
  color: white;
  font-size: 0.9rem;
}
.kalkulator-pc-share .wa { background: #25d366; }
.kalkulator-pc-share .tg { background: #0088cc; }
.kalkulator-pc-share .fb { background: #3b5998; }
.kalkulator-pc-share .tw { background: #1da1f2; }
.kalkulator-pc-share i {
  margin-right: 5px;
}