* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: Arial, sans-serif;
  background: #121212;
  color: white;
  padding: 20px;
}

.card {
  width: min(100%, 650px);
  background: #1d1d1d;
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.stack {
  display: grid;
  gap: 12px;
}

.logo {
  font-size: 4rem;
  text-align: center;
  margin: 0;
  font-weight: 700;
}

.tagline {
  text-align: center;
  color: #b3b3b3;
  margin: 12px 0 24px;
  font-size: 1.1rem;
}

.user-status {
  text-align: left;
  font-size: 14px;
  color: white;
  margin-bottom: 18px;
  font-weight: 600;
}

.button-link,
.primary-btn {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: none;
  border-radius: 10px;
  text-align: center;
  text-decoration: none;
  font-size: 16px;
  background: #f2f2f2;
  color: black;
  cursor: pointer;
}

.button-link:hover,
.primary-btn:hover {
  opacity: 0.95;
}

.button-link.secondary {
  background: #6d5efc;
  color: white;
}

.leaderboard {
  margin-top: 28px;
}

.leaderboard h2 {
  margin-bottom: 14px;
  font-size: 2rem;
}

#leaderboard {
  padding-left: 28px;
  color: white;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar .logo {
  font-size: 2rem;
  text-align: left;
}

.small-link {
  width: auto;
  padding: 10px 14px;
}

input {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  background: #2a2a2a;
  color: white;
}

input::placeholder {
  color: #999;
}

.game-info {
  margin-top: 20px;
}

#feedback {
  color: #ddd;
  margin-bottom: 10px;
}

#score {
  font-weight: bold;
}

#finalSaveMessage {
  color: #8b7cff;
}