.aspect-tool {
  padding: 40px 20px;
  display: flex;
  justify-content: center;
  background: #f5f7fa; /* subtle background */
}

.tool-container {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
}

.tool-settings, .tool-preview {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  flex: 1;
  min-width: 300px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tool-settings label {
  display: block;
  margin-top: 10px;
  font-weight: 600;
}

.tool-settings input, .tool-settings select {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border-radius: 5px;
  border: 1px solid #ccc;
  font-size: 1rem;
}

.btn {
  background-color: #0a22fa;
  color: #fff;
  border: none;
  padding: 10px 15px;
  justify-content: center;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  margin-top: 15px;
  width: 100%;
  transition: 0.3s;
}
.btn:hover {
  background-color: #0d39ff;
}

.preview-box {
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #0a22fa, #7b2ff7);
  border-radius: 8px;
  margin-top: 15px;
  transition: all 0.3s ease;
}

.ratio-result {
  margin-top: 15px;
  font-weight: bold;
  text-align: center;
  font-size: 1.1rem;
}