:root {
  --primary-bg: #0a0a0c;
  --secondary-bg: #16161a;
  --accent-color: #3b82f6;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --border-color: #2e2e33;
  --glass-bg: rgba(255, 255, 255, 0.03);
}

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

body {
  background-color: var(--primary-bg);
  color: var(--text-primary);
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.github-corner:hover .octo-arm {
  animation: octocat-wave 560ms ease-in-out;
}

@keyframes octocat-wave {
  0%, 100% { transform: rotate(0); }
  20%, 60% { transform: rotate(-25deg); }
  40%, 80% { transform: rotate(10deg); }
}

@media (max-width: 500px) {
  .github-corner:hover .octo-arm {
    animation: none;
  }
  .github-corner .octo-arm {
    animation: octocat-wave 560ms ease-in-out;
  }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

header {
  margin-bottom: 4rem;
  text-align: center;
}

h1 {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

p.subtitle {
  color: var(--text-secondary);
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto;
}

.search-container {
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.search-input-wrapper {
  position: relative;
}

.search-input {
  width: 100%;
  padding: 1rem 1.5rem;
  padding-left: 3rem;
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1), 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  background: #1c1c21;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
  width: 1.25rem;
  height: 1.25rem;
}

.search-input:focus + .search-icon {
  color: var(--accent-color);
}

.search-stats {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-align: center;
}

.search-stats span {
  color: var(--accent-color);
  font-weight: 600;
}

.artwork-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  padding: 1rem 0;
}

.artwork-card {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 1.5rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.artwork-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  border-color: var(--accent-color);
}

.card-image-wrapper {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #1a1a1c;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.artwork-card:hover .card-img {
  transform: scale(1.1);
}

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-artist {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-style: italic;
}

.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
}

.nasa-id-link {
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s ease;
}

.nasa-id-link:hover {
  transform: translateY(-1px);
}

.nasa-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  color: var(--accent-color);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
  cursor: pointer;
  white-space: nowrap;
  display: inline-block;
}

.nasa-id-link:hover .nasa-id {
  background: var(--accent-color);
  color: white;
}

.btn {
  padding: 0.5rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.825rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-original {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-original:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-crop {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-color);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.btn-crop:hover {
  background: var(--accent-color);
  color: white;
}

@media (max-width: 768px) {
  .container {
    padding: 2rem 1rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  .artwork-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .artwork-grid {
    grid-template-columns: 1fr;
  }
}