body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #fff;
  color: #333;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

header {
  background: #fff;
  padding: 0.7rem 1rem;
  text-align: center;
  font-size: 1.2rem;
  font-weight: bold;
  color: #ff3399;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#page-title {
  margin: 0;
  font-size: 1.2rem;
}

main {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  padding: 1rem;
  text-align: center;
  border: 2px solid #ff3399;
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-3px);
}

.card img {
  width: 100%;
  border-radius: 14px;
  object-fit: cover;
}

.card h2 {
  margin: 0.5rem 0 0.3rem;
  font-size: 1.1rem;
  color: #222;
}

.card p {
  margin: 0;
  font-size: 0.85rem;
  color: #777;
}

button {
  margin-top: 0.6rem;
  padding: 0.5rem 1.2rem;
  background: #ff3399;
  color: white;
  font-weight: bold;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: 0.2s;
}

button:hover {
  background: #ff66aa;
}

/* ========== Профиль ========== */
.profile {
  text-align: center;
  padding: 2rem 1rem;
}

.avatar-img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #ff3399;
  margin-bottom: 0.8rem;
}

#username {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.premium-badge {
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 1rem;
}

.premium-badge.active {
  background-color: #ff3399;
  color: white;
}

.premium-badge.inactive {
  background-color: #ddd;
  color: #333;
}

.buy-premium-btn {
  background: #ff3399;
  color: #fff;
  font-size: 0.95rem;
  padding: 0.7rem 1.6rem;
  border-radius: 30px;
  font-weight: bold;
  border: none;
  cursor: pointer;
  margin-bottom: 1.2rem;
  transition: background 0.2s;
}

.buy-premium-btn:hover {
  background: #ff66aa;
}

.premium-benefits {
  text-align: left;
  max-width: 320px;
  margin: 0 auto;
  padding: 1rem;
  font-size: 0.9rem;
}

.premium-benefits h3 {
  text-align: center;
  margin-bottom: 0.8rem;
  color: #222;
}

.premium-benefits ul {
  list-style-type: disc;
  padding-left: 1.2rem;
  color: #444;
  line-height: 1.5;
}

/* ========== Нижнее меню ========== */
.bottom-nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0.6rem 1rem;
  background: #ff3399;
  border-top-left-radius: 1.2rem;
  border-top-right-radius: 1.2rem;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

.bottom-nav button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.bottom-nav img {
  width: 28px;
  height: 28px;
  filter: brightness(0) invert(1);
  transition: transform 0.2s;
}

.bottom-nav img:hover,
.bottom-nav img.active-icon {
  transform: scale(1.15);
  filter: brightness(0) invert(1) drop-shadow(0 0 3px white);
}

/* ========== Экраны ========== */
.screen {
  display: none;
}

.screen.active {
  display: block;
}