/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 30px;
  color: white;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Wallet Section */
.wallet-section {
  background: white;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 30px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.wallet-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.wallet-label {
  font-weight: 600;
  color: #666;
}

.wallet-address {
  font-family: "Courier New", monospace;
  background: #f0f0f0;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
}

/* Content Grid */
.content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
}

/* Cards */
.card {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card h2 {
  margin-bottom: 20px;
  color: #333;
  font-size: 1.5rem;
  border-bottom: 2px solid #667eea;
  padding-bottom: 10px;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #555;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #667eea;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: #667eea;
  color: white;
}

.btn-primary:hover {
  background: #5568d3;
}

.btn-success {
  background: #48bb78;
  color: white;
  width: 100%;
}

.btn-success:hover {
  background: #38a169;
}

.btn-warning {
  background: #ed8936;
  color: white;
  width: 100%;
}

.btn-warning:hover {
  background: #dd6b20;
}

.btn-secondary {
  background: #718096;
  color: white;
  margin-bottom: 15px;
}

.btn-secondary:hover {
  background: #4a5568;
}

/* Assets List */
.assets-list {
  min-height: 150px;
}

.empty-state {
  text-align: center;
  color: #999;
  padding: 40px;
  font-style: italic;
}

.asset-item {
  background: #f7fafc;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 15px;
  border-left: 4px solid #667eea;
}

.asset-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.asset-type {
  font-weight: 700;
  color: #667eea;
  font-size: 1.1rem;
}

.asset-id {
  background: #667eea;
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.asset-description {
  color: #333;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.ownership-badge {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ownership-label {
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
}

.ownership-value {
  color: white;
  font-weight: 700;
  font-size: 1.3rem;
}

.asset-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  font-size: 0.9rem;
  color: #666;
}

.asset-detail {
  display: flex;
  flex-direction: column;
}

.detail-label {
  font-weight: 600;
  color: #888;
  font-size: 0.8rem;
  margin-bottom: 2px;
}

.detail-value {
  color: #333;
}

/* Stats Card */
.stats-card {
  grid-column: span 2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.stat {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  color: white;
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 10px;
  opacity: 0.9;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

/* Status Messages */
.status-message {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 25px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  font-weight: 600;
  z-index: 1000;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.status-message.success {
  background: #48bb78;
  color: white;
}

.status-message.error {
  background: #f56565;
  color: white;
}

.status-message.info {
  background: #4299e1;
  color: white;
}

/* Footer */
footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  color: white;
}

footer p {
  margin: 5px 0;
  opacity: 0.9;
}

.contract-address {
  font-family: "Courier New", monospace;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 8px;
  border-radius: 4px;
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-content {
  background: white;
  border-radius: 12px;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  border-bottom: 2px solid #e0e0e0;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
  color: #333;
}

.close-btn {
  background: none;
  border: none;
  font-size: 2rem;
  color: #999;
  cursor: pointer;
  transition: color 0.3s;
  line-height: 1;
  padding: 0;
  width: 30px;
  height: 30px;
}

.close-btn:hover {
  color: #333;
}

.modal-body {
  padding: 25px;
}

.modal-description {
  color: #666;
  margin-bottom: 20px;
  line-height: 1.6;
}

.contract-input {
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
}

.modal-footer {
  margin-top: 20px;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .content {
    grid-template-columns: 1fr;
  }

  .stats-card {
    grid-column: span 1;
  }

  header h1 {
    font-size: 2rem;
  }

  .wallet-section {
    flex-direction: column;
  }

  .status-message {
    right: 10px;
    left: 10px;
  }
}