:root {
  --bg: #f9f9fb;
  --text: #1a1a1a;
  --link: #0969da;
  --muted: #6a737d;
  --card-bg: #fffcfc;
  --btn-bg: #0969da;
  --btn-text: #ffffff;
}

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

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  padding: 2rem;
}

main {
  max-width: 1200px;
  margin: 0 auto;
}

h1 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 2rem;
}

.subtitle a {
  color: var(--link);
  text-decoration: none;
}

#repo-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.card {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  width: 272px;
  box-shadow: 2px 7px 13px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  background-color: #ffffff;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background-color: #eaeaea;
}

.card-body {
  background-color: var(--card-bg);
  flex-grow: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.card-title {
  color: #000000;
  font-weight: bold;
  font-size: 18px;
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
}

.card-text {
  line-height: 1.4;
  font-size: 17px;
  color: #000000;
}

.card-updated {
  display: inline-block;
  padding: 3px 3px;
  margin: auto;
  background-color: #ffffff;
  font-size: 12px;
  text-align: center;
  color: #000000;
}

.view-button {
  display: inline-block;
  padding: 8px 12px;
  margin-top: auto;
  background-color: #e0e0e0;
  color: #000000; 
  border: none;
  border-radius: 6px;
  font-size: 14px;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.view-button:hover {
  background-color: #9e9e9e;
  color: #ffffff;
}