:root {
  --color-bg: #f9fafb;
  --color-white: #ffffff;
  --color-black: #111827;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-green-700: #15803d;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-gray-900);
  line-height: 1.5;
  min-height: 100vh;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.header {
  background-color: var(--color-white);
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.header-content {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0.5rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-size: 1.5rem;
  display: flex;
}

.logo-text-bold {
  font-weight: 900;
}

.logo-text-light {
  font-weight: 300;
  color: var(--color-gray-600);
}

/* Search form styles */
.search-form {
  flex-grow: 1;
  max-width: 600px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 1rem;
  color: var(--color-gray-500);
}

.search-input {
  width: 100%;
  padding: 1rem 3rem;
  border: 1px solid var(--color-gray-300);
  border-radius: 9999px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-gray-500);
  box-shadow: 0 0 0 2px rgba(107, 114, 128, 0.2);
}

.clear-button {
  position: absolute;
  right: 3.5rem;
  background: none;
  border: none;
  color: var(--color-gray-500);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.clear-button:hover {
  color: var(--color-gray-700);
}

.clear-button.hidden {
  display: none;
}

.search-button {
  position: absolute;
  right: 0.25rem;
  background-color: var(--color-black);
  color: var(--color-white);
  border: none;
  border-radius: 9999px;
  padding: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
}

.search-button:hover {
  background-color: var(--color-gray-800);
}

.main {
  flex-grow: 1;
  padding: 2rem 0;
}

.search-results {
  max-width: 800px;
  margin: 0 auto;
}

.result-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.result-item:hover {
  border-color: var(--color-gray-300);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.result-title {
  color: var(--color-black);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  text-decoration: none;
}

.result-url {
  color: var(--color-green-700);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  display: block;
  text-decoration: none;
}

.result-snippet {
  color: var(--color-gray-600);
  font-size: 0.875rem;
}

.skeleton {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  background-color: var(--color-gray-200);
  border-radius: 0.25rem;
}

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

.error-message {
  background-color: #fee2e2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 1rem;
  border-radius: 0.5rem;
  text-align: center;
  margin-top: 2rem;
}

.footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  padding: 1rem 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-gray-500);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-link {
  color: var(--color-gray-500);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--color-gray-700);
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .search-form {
    width: 100%;
  }

  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}