.vodka-pro {
    max-width: 420px;
    margin: auto;
    padding: 25px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    font-family: Arial;
}

.vodka-pro h2 {
    text-align: center;
}

.subtitle {
    text-align: center;
    color: #777;
    margin-bottom: 15px;
}

input {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border-radius: 8px;
    border: 1px solid #ddd;
}

button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(45deg, #4caf50, #2e7d32);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.result {
    margin-top: 15px;
    padding: 15px;
    background: #f5f5f5;
    border-radius: 10px;
}

.hidden {
    display: none;
}

.tips {
    margin-top: 10px;
    font-size: 13px;
    color: #555;
}

.calculator-wrapper {
  position: relative;
  z-index: 1;
}

.calculator-wrapper input {
  position: relative;
  z-index: 100;
  pointer-events: auto;
}