.waste-exchange-hero {
  background: #e9fbe7;
  padding: 40px 0 20px 0;
  text-align: center;
}
.waste-exchange-hero h1 {
  color: #198754;
  font-size: 2rem;
  margin-bottom: 10px;
}
.waste-exchange-form-section {
  padding: 30px 0 50px 0;
}
.waste-exchange-form {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 28px 24px;
  max-width: 420px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  font-weight: 500;
  margin-bottom: 6px;
  display: block;
}
.form-control {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #cfd8dc;
  font-size: 1rem;
}
.btn.primary-btn {
  background: #198754;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 0;
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.15s;
}
.btn.primary-btn:hover {
  background: #146c43;
}
.reward-dialog-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.18);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.reward-dialog-box {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.13);
  padding: 32px 24px 24px 24px;
  min-width: 280px;
  text-align: center;
  animation: popin 0.2s;
}
.reward-dialog-title {
  font-size: 1.25rem;
  font-weight: bold;
  color: #198754;
  margin-bottom: 18px;
}
.reward-dialog-options {
  display: flex;
  gap: 18px;
  justify-content: center;
}
.btn.reward-btn {
  background: #e9fbe7;
  color: #198754;
  border: 1px solid #198754;
  border-radius: 6px;
  padding: 8px 22px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.btn.reward-btn:hover {
  background: #198754;
  color: #fff;
}
.form-section-title {
  font-size: 1.08rem;
  font-weight: 600;
  color: #198754;
  margin: 18px 0 8px 0;
  letter-spacing: 0.01em;
}
.form-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 0;
}
.form-row .form-group {
  flex: 1 1 180px;
  min-width: 160px;
}
@media (max-width: 700px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }
}
@keyframes popin {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}