* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: linear-gradient(to bottom right, #ffe6f0, #fff5fa);
  min-height: 100vh;
  overflow-y: auto;
  animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.container {
  width: 90%;
  max-width: 900px;
  margin: 40px auto;
  padding: 40px 30px;
  background: #ffffffd9;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(255, 182, 193, 0.3);
  text-align: center;
}

.header h1 {
  font-size: 1.8rem;
  color: #d63384;
  margin-bottom: 24px;
}

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
}

.tab {
  background: #ffe4ef;
  border: none;
  border-radius: 20px;
  padding: 8px 20px;
  font-size: 0.9rem;
  color: #d63384;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "Poppins", sans-serif;
}

.tab:hover, .tab.active {
  background: #ffb6c1;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 105, 180, 0.3);
}

/* Category sections */
.category {
  display: none;
  text-align: left;
}

.category.active {
  display: block;
}

/* Tier rows */
.tier {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
  border-radius: 14px;
  padding: 14px;
}

/* Tier label colors */
.s-tier { background: linear-gradient(135deg, #ffd6e7, #ffb3d1); }
.a-tier { background: linear-gradient(135deg, #d4f1c0, #b8e8a0); }
.b-tier { background: linear-gradient(135deg, #ffeeba, #ffd970); }
.c-tier { background: linear-gradient(135deg, #ffc8c8, #ff9999); }

.tier-label {
  min-width: 130px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #333;
  border-radius: 10px;
  padding: 10px 14px;
  text-align: center;
  align-self: flex-start;
}

/* Cards */
.tier-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex: 1;
}

.card {
  background: white;
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 0.85rem;
  color: #444;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(255, 105, 180, 0.2);
}

/* Tier badges */
.badge {
  font-size: 0.75rem;
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.badge.s { background: #ff69b4; }
.badge.a { background: #5cb85c; }
.badge.b { background: #f0ad4e; }
.badge.c { background: #d9534f; }

/* Back button */
.btn {
  background-color: #ffb6c1;
  border: none;
  border-radius: 12px;
  padding: 12px 25px;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  margin-top: 30px;
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: #ff99b8;
  transform: translateY(-4px);
  box-shadow: 0 6px 15px rgba(255, 105, 180, 0.4);
}

.back {
  text-align: center;
}