/* Reset & Base */
body {
  margin: 0;
  padding: 0;
  font-family: 'Helvetica Neue', sans-serif;
  background: linear-gradient(180deg, #F26A1B 0%, #F9C438 50%, #3FBDB2 100%);
  color: #ffffff;
  text-align: center;
  min-height: 100vh;
}

/* Container */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
.challenge-header {
  margin-bottom: 2rem;
}

.challenge-header .main-title {
  font-family: 'Anton', sans-serif;
  font-size: 3.2rem;
  text-transform: uppercase;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.4);
}

.challenge-header .challenge-badge {
 width: 400px;
  margin-bottom: 1rem;
}

.challenge-header .description {
  font-size: 1.2rem;
  font-weight: 600;
  max-width: 600px;
  margin: 0 auto;
  color: #ffffff;
}

/* Leaderboard Label */
.leaderboard-label {
  font-family: 'Anton', sans-serif;
  font-size: 2rem;
  margin: 2rem 0 1.5rem;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

/* Leaderboard Container */
.leaderboard-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}

.leaderboard-section {
  flex: 1;
  background: rgba(255, 255, 255, 0.95);
  color: #333;
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  min-width: 280px;
}

.leaderboard-section h2 {
  font-family: 'Anton', sans-serif;
  font-size: 1.8rem;
  color: #fff;
  background-color: #3FBDB2;
  margin: -1.5rem -1.5rem 1rem -1.5rem;
  padding: 1rem;
  border-radius: 20px 20px 0 0;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 12px;
}

thead tr {
  background-color: #3FBDB2;
  color: white;
  font-weight: bold;
  text-transform: uppercase;
}

tbody tr:nth-child(even) {
  background-color: #FFF5E1;
}

tbody tr:nth-child(odd) {
  background-color: #FFE7B3;
}

tbody tr:first-child {
  background-color: #FFD700;
  font-weight: bold;
}

tbody tr:nth-child(2) {
  background-color: #C0C0C0;
  font-weight: bold;
}

tbody tr:nth-child(3) {
  background-color: #CD7F32;
  font-weight: bold;
}

td, th {
  padding: 0.9rem;
  text-align: center;
}

/* Challenge Ending */
.challenge-ending {
  font-style: italic;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 2rem 0;
}

/* Sponsor Section */
.sponsor {
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 2rem;
  margin: 2rem 0;
  color: #333;
}

.sponsor p {
  font-size: 1.2rem;
  font-weight: 600;
  color: #3FBDB2;
  margin-bottom: 1rem;
}

.sponsor img {
  max-width: 200px;
  margin: 1rem 0;
}

.sponsor-social a {
  color: #3FBDB2;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}

/* Footer */
.social-footer {
  margin-top: 2rem;
}

.social-footer p {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.social-links a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.2rem;
}

/* Mobile */
@media (max-width: 768px) {
  .challenge-header .main-title {
    font-size: 2.3rem;
  }

  .leaderboard-container {
    flex-direction: column;
  }

  table td, table th {
    padding: 0.6rem;
    font-size: 0.9rem;
  }

  .container {
    padding: 1rem;
  }
}