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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
  line-height: 1.6;
}

.container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 20px;
}

.header {
  text-align: center;
  margin-bottom: 40px;
}

.header h1 {
  font-size: 2.8rem;
  color: #58a6ff;
  margin-bottom: 10px;
}

.header p {
  color: #8b949e;
  font-size: 1.1rem;
}

.search-box {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  gap: 10px;
}

.search-box input {
  padding: 14px 20px;
  width: 380px;
  max-width: 100%;
  border: 1px solid #30363d;
  border-radius: 8px;
  background: #161b22;
  color: white;
  font-size: 16px;
}

.search-box input:focus {
  outline: none;
  border-color: #58a6ff;
}

.search-box button {
  padding: 14px 30px;
  background: #238636;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}

.search-box button:hover {
  background: #2ea043;
}

.hidden { display: none !important; }

.loading, .error {
  text-align: center;
  padding: 40px;
  font-size: 1.2rem;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #30363d;
  border-top: 5px solid #58a6ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

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

.profile-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 30px;
  display: flex;
  gap: 25px;
  margin-bottom: 30px;
  align-items: center;
}

.avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 4px solid #30363d;
}

.info h2 {
  font-size: 2rem;
  color: white;
}

.login {
  color: #58a6ff;
  font-size: 1.4rem;
  margin: 8px 0;
}

.bio {
  margin: 15px 0;
  font-style: italic;
  color: #8b949e;
}

.stats {
  display: flex;
  gap: 30px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat strong {
  display: block;
  font-size: 1.8rem;
  color: #58a6ff;
}

.stat span {
  color: #8b949e;
  font-size: 0.9rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  margin-bottom: 30px;
}

.card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 25px;
}

.card h3 {
  margin-bottom: 20px;
  color: #58a6ff;
  font-size: 1.4rem;
}

.lang-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lang-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lang-color {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 10px;
}

.full-width {
  grid-column: 1 / -1;
}

.contrib-graph img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #30363d;
}

#topRepos .repo {
  padding: 15px 0;
  border-bottom: 1px solid #30363d;
}

#topRepos .repo:last-child {
  border-bottom: none;
}

.repo-name {
  color: #58a6ff;
  font-weight: bold;
  font-size: 1.1rem;
}

.repo-desc {
  color: #8b949e;
  font-size: 0.95rem;
  margin: 5px 0;
}

.repo-stats {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .profile-card {
    flex-direction: column;
    text-align: center;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .search-box {
    flex-direction: column;
  }
  .search-box input {
    width: 100%;
  }
}