:root {
  --bg-primary: #0f1419;
  --bg-secondary: #1a1f25;
  --bg-tertiary: #242c37;
  --text-primary: #e6edf3;
  --text-secondary: #adbac7;
  --accent-primary: #2563eb;
  --accent-secondary: #1d4ed8;
  --border-color: #30363d;
  --success-color: #2ea043;
  --error-color: #f85149;
  --tag-bg: #1d4ed8;
  --code-bg: #161b22;
  --line-number-color: #484f58;
  --js-color: #f7df1e;
  --html-color: #e34c26;
  --css-color: #563d7c;
  --python-color: #3572a5;
  --java-color: #b07219;
  --php-color: #4f5d95;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
    "Helvetica Neue", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  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 {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(90deg, #3b82f6, #2563eb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
}

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

.search-container {
  position: relative;
}

.search-container input {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  width: 200px;
  transition: all 0.3s ease;
}

.search-container input:focus {
  width: 300px;
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.add-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--accent-primary);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: all 0.2s ease;
}

.add-button:hover {
  background-color: var(--accent-secondary);
  transform: scale(1.05);
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.nav-link:hover {
  background-color: var(--bg-tertiary);
}

main {
  flex: 1;
  padding: 2rem 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
  background: linear-gradient(90deg, #3b82f6, #2563eb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.codes-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.code-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.code-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.code-card-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.code-card-title {
  font-size: 1.2rem;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.code-card-author {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.code-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.tag {
  background-color: var(--tag-bg);
  color: white;
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.code-card-preview {
  padding: 0;
  background-color: var(--code-bg);
  position: relative;
  max-height: 200px;
  overflow: hidden;
}

.code-card-preview pre {
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.code-card-preview code {
  font-family: "Fira Code", monospace;
  font-size: 0.9rem;
}

.code-card-footer {
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-tertiary);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.code-card-stats {
  display: flex;
  gap: 1rem;
}

.views,
.likes {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.code-header {
  margin-bottom: 1.5rem;
}

.code-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.code-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.code-stats {
  display: flex;
  gap: 1rem;
}

.code-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.code-description {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.code-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.action-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.action-button:hover {
  background-color: var(--accent-primary);
}

.action-button.liked {
  background-color: var(--accent-primary);
}

.code-container {
  background-color: var(--code-bg);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.code-container pre {
  margin: 0;
  padding: 0;
}

.code-container code {
  font-family: "Fira Code", monospace;
  display: block;
  overflow-x: auto;
  counter-reset: line;
  overflow-y: auto;
  max-height: 600px;
}

.code-container code.line-numbers {
  padding-left: 3.5rem;
}

.code-container code.line-numbers::before {
  content: attr(data-line);
  position: absolute;
  left: 0;
  top: 0;
  width: 3rem;
  padding: 1rem 0.5rem;
  border-right: 1px solid var(--border-color);
  color: var(--line-number-color);
  background-color: var(--code-bg);
  text-align: right;
  font-size: 0.9rem;
  user-select: none;
}

.language-indicator {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 10;
}

.language-js {
  background-color: var(--js-color);
  color: #000;
}

.language-html {
  background-color: var(--html-color);
  color: white;
}

.language-css {
  background-color: var(--css-color);
  color: white;
}

.language-python {
  background-color: var(--python-color);
  color: white;
}

.language-java {
  background-color: var(--java-color);
  color: white;
}

.language-php {
  background-color: var(--php-color);
  color: white;
}

.code-line {
  display: block;
  padding: 0 1rem;
  position: relative;
}

.code-line-number {
  position: absolute;
  left: 0;
  width: 3rem;
  text-align: right;
  padding-right: 1rem;
  color: var(--line-number-color);
  user-select: none;
}

.code-preview-more {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, var(--code-bg));
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.upload-container {
  max-width: 800px;
  margin: 0 auto;
}

.upload-form {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group textarea#code {
  font-family: "Fira Code", monospace;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
}

.submit-button {
  padding: 0.75rem 1.5rem;
  background-color: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.submit-button:hover {
  background-color: var(--accent-secondary);
}

.notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  background-color: var(--success-color);
  color: white;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(0);
  opacity: 1;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 1000;
}

.notification.error {
  background-color: var(--error-color);
}

.notification.rate-limit {
  background-color: #f59e0b;
}

.notification.hidden {
  transform: translateY(30px);
  opacity: 0;
  pointer-events: none;
}

footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
}

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

.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

@media (max-width: 768px) {
  .search-container input {
    width: 150px;
  }

  .search-container input:focus {
    width: 200px;
  }

  .codes-list {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .code-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }

  .search-container input,
  .search-container input:focus {
    width: 100%;
  }

  .codes-list {
    grid-template-columns: 1fr;
  }

  .code-actions {
    flex-wrap: wrap;
  }
}