* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border: #334155;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-connect {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.btn-connect:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-connect:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.wallet-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-hover);
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.status-indicator {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.wallet-address {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Main Content */
.main {
  padding: 3rem 0;
  min-height: calc(100vh - 200px);
}

/* Status Box */
.status-box {
  padding: 1rem 1.5rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.status-box.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.status-box.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
}

.status-box.loading {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--primary);
  color: var(--primary);
}

.status-box.loading::before {
  content: "⏳";
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* NFT Section */
.nft-section {
  margin-bottom: 4rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.nft-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  justify-items: center;
}

.nft-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  max-width: 450px;
  width: 100%;
  transition: all 0.3s ease;
}

.nft-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
  border-color: var(--primary);
}

.nft-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.nft-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.nft-card:hover .nft-image {
  transform: scale(1.05);
}

.nft-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.nft-details {
  padding: 2rem;
}

.nft-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.nft-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.nft-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-dark);
  border-radius: 12px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.payment-info {
  background: var(--bg-dark);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--primary);
}

.payment-info p {
  margin: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Info Section */
.info-section {
  margin-bottom: 4rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.info-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.info-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.info-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.info-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Footer */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
}

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

/* Responsive */
@media (max-width: 768px) {
  .section-header h2 {
    font-size: 2rem;
  }
  
  .nft-grid {
    grid-template-columns: 1fr;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .header .container {
    flex-direction: column;
    gap: 1rem;
  }
}