body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f9fafb, #e3f2fd);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

header {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid #ccc;
}

header h1 {
    color: #333;
    font-size: 28px;
}

.primary-btn {
    background: linear-gradient(90deg, #4caf50, #45a049);
    color: white;
    padding: 10px 18px;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.primary-btn:hover {
    background: linear-gradient(90deg, #45a049, #4caf50);
}

.wallet-info {
    display: block;
    margin-top: 10px;
    color: #555;
    font-size: 14px;
}

.nav-bar {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    gap: 20px;
}

.nav-bar button {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 6px;
    transition: 0.3s;
}

.nav-bar button:hover {
    background: #ddd;
}

.section {
    display: none;
  
}

.section.active {
    display: block;
}

.form-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

select, input {
    padding: 10px;
    margin: 5px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 16px;
}

.nft-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    padding-top: 20px;
}

.nft-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0px 3px 10px rgba(0,0,0,0.1);
    padding: 15px;
    text-align: center;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.nft-card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 6px 15px rgba(0,0,0,0.2);
}

.nft-card h3 {
    color: #333;
    margin-bottom: 10px;
}

.nft-card p {
    font-size: 14px;
    color: #666;
}

.nft-card button {
    background: linear-gradient(90deg, #2196f3, #1e88e5);
    padding: 10px;
    border: none;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nft-card button:hover {
    background: linear-gradient(90deg, #1e88e5, #2196f3);
}

@media (max-width: 768px) {
    .nav-bar {
        flex-direction: column;
    }
    .form-group {
        flex-direction: column;
    }
}
.nft-card {
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 15px;
  width: 220px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.nft-card img {
  border-radius: 10px;
}
.nft-card button {
  margin-top: 10px;
  padding: 8px 12px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f7f9fc;
  color: #333;
}

.container {
  width: 90%;
  margin: auto;
  padding: 20px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

h1 {
  font-size: 22px;
  margin: 0;
}

.primary-btn {
  background: #4e73df;
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

.primary-btn:hover {
  background: #2e59d9;
}

.wallet-info {
  margin-left: 15px;
  font-size: 14px;
  font-weight: bold;
}

.nav-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.nav-bar button {
  padding: 8px 12px;
  background: #e2e6ea;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.nav-bar button:hover {
  background: #d1d5db;
}

.section {
  display: none;

}

.section.active {
  display: block;
}

.form-group {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.form-group input, .form-group select {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  flex: 1;
}

.income-section {
  margin-top: 20px;
}

.income-section h3, .income-section h4 {
  margin-bottom: 10px;
}

/* Notification Styles */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 20px;
  border-radius: 8px;
  font-size: 14px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9999;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.notification.hidden { display: none; }

.notification.success { background: #28a745; }
.notification.error   { background: #dc3545; }
.notification.warning { background: #ffc107; color: #333; }

.close-btn {
  background: transparent;
  border: none;
  font-size: 16px;
  color: inherit;
  cursor: pointer;
}
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
}
.toast {
  padding: 12px 20px;
  margin-top: 10px;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  animation: fadeIn 0.5s, fadeOut 0.5s 3.5s;
}
.toast.success { background: #28a745; }
.toast.error { background: #dc3545; }
.toast.warning { background: #ffc107; color: #000; }
.toast.info { background: #17a2b8; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(20px);} to { opacity: 1; transform: translateY(0);} }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }