.calculator-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.description {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.description br {
    display: block;
    margin: 0.8rem 0;
    content: "";
}

.form-group {
    margin-bottom: 1.5rem;
}

.radio-group {
    display: flex;
    gap: 2rem;
    margin-top: 0.5rem;
}

.radio-group input[type="radio"] {
    margin-right: 0.5rem;
}

input[type="number"],
select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

input[type="number"]:focus,
select:focus {
    border-color: #007AFF;
    outline: none;
}

.primary-button {
    background-color: #007AFF;
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s;
}

.primary-button:hover {
    background-color: #0056b3;
}

.secondary-button {
    background-color: #F5F5F7;
    color: #007AFF;
    border: 1px solid #007AFF;
    padding: 0.8rem 2rem;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.secondary-button:hover {
    background-color: #007AFF;
    color: white;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.result-box {
    background-color: #F5F5F7;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.result-value {
    font-size: 2rem;
    font-weight: bold;
    color: #007AFF;
    margin: 1rem 0;
}

.unit {
    font-size: 1rem;
    margin-left: 0.3rem;
}

.bmi-category,
.weight-range,
.difference-label {
    font-size: 0.9rem;
    color: #666;
}

.weight-chart {
    margin: 2rem 0;
    padding: 2rem;
    background-color: #F5F5F7;
    border-radius: 8px;
}

.chart-container {
    margin-top: 1.5rem;
}

.weight-scale {
    position: relative;
    height: 60px;
    background: linear-gradient(to right, #FFD700, #4CAF50, #FF4444);
    border-radius: 30px;
    margin: 2rem 0;
}

.scale-marker {
    position: absolute;
    top: -20px;
    width: 2px;
    height: 100px;
    background-color: #333;
}

.scale-marker:nth-child(1) {
    z-index: 2;
}

.scale-marker:nth-child(2) {
    z-index: 1;
}

.marker-label {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: 0.9rem;
    color: #666;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.scale-sections {
    display: flex;
    height: 100%;
}

.section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.details-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.health-risks,
.recommendations {
    background-color: #F5F5F7;
    padding: 1.5rem;
    border-radius: 8px;
}

.risk-level {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0;
    padding: 0.8rem;
    background-color: #fff;
    border-radius: 6px;
}

.risk-level i {
    color: #FF3B30;
}

.risk-details,
#goal-recommendations,
#practical-tips {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.risk-details li,
#goal-recommendations li,
#practical-tips li {
    margin: 0.8rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #333;
    line-height: 1.5;
}

.risk-details li::before,
#goal-recommendations li::before,
#practical-tips li::before {
    content: "•";
    position: absolute;
    left: 0.5rem;
    top: 1px;
    color: #007AFF;
    font-size: 1.2rem;
    line-height: 1;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.share-button {
    background-color: #1DA1F2;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.3s;
}

.share-button:hover {
    background-color: #1991DA;
}

@media (max-width: 768px) {
    .calculator-container {
        margin: 1rem;
        padding: 1rem;
    }

    .result-grid {
        grid-template-columns: 1fr;
    }

    .details-section {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        flex-direction: column;
    }

    .action-buttons button {
        width: 100%;
    }
}