body {
  font-family: 'Poppins', sans-serif;
  background: radial-gradient(circle at top, #001f24, #000000);
  padding: 20px;
}

.aesthetic-tool {
  max-width: 650px;
  margin: auto;
  background: rgba(0, 20, 25, 0.85);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.15);
  color: #e8ffff;
  border: 1px solid rgba(0, 255, 255, 0.25);
}

.aesthetic-tool h2 {
  text-align: center;
  margin-bottom: 8px;
  font-weight: 600;
  color: #6ffcff;
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.aesthetic-tool p {
  text-align: center;
  font-size: 14px;
  opacity: 0.85;
}

.controls {
  display: flex;
  gap: 12px;
  margin: 22px 0;
}

.controls select,
.controls button {
  flex: 1;
  padding: 13px;
  border-radius: 12px;
  border: none;
  outline: none;
  font-size: 14px;
}

.controls select {
  background: #000;
  color: #6ffcff;
  border: 1px solid #00eaff;
}

.controls button {
  background: linear-gradient(135deg, #00eaff, #007c86);
  color: #001f24;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 0 15px rgba(0, 234, 255, 0.4);
}

.controls button:hover {
  box-shadow: 0 0 25px rgba(0, 234, 255, 0.7);
  transform: translateY(-1px);
}

.results {
  margin-top: 22px;
}

.username {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 255, 255, 0.08);
  padding: 13px 16px;
  border-radius: 12px;
  margin-bottom: 10px;
  font-size: 15px;
  border: 1px solid rgba(0, 255, 255, 0.2);
}

.username span {
  color: #bffcff;
}

.username button {
  background: transparent;
  border: 1px solid #00eaff;
  color: #00eaff;
  padding: 6px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 12px;
}

.username button:hover {
  background: #00eaff;
  color: #001f24;
}

@media (max-width: 600px) {
  .controls {
    flex-direction: column;
  }
}