.sleep-calculator-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, sans-serif;
	background-color: #ecdec3;
}

.sleep-calculator-header {
    text-align: center;
    margin-bottom: 30px;
}

.sleep-calculator-header h2 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.sleep-calculator-header p {
    color: #7f8c8d;
}

.calculation-type-selector {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
	background-color: #e8f4ef;
    font-weight: bold;
}

.calculation-type-selector label {
    display: flex;
    align-items: center;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.calculation-type-selector label:hover {
    background-color: #f9f9f9;
}

.calculation-type-selector input[type="radio"] {
    margin-right: 10px;
}

.time-input-container {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.time-input, .date-input {
    flex: 1;
}

.time-input label, .date-input label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #2c3e50;
}

.time-input input, .date-input input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.sleep-calculator-button {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.sleep-calculator-button:hover {
    background-color: #2980b9;
}

.sleep-calculator-results {
    margin-top: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.sleep-calculator-results h3 {
    margin-top: 0;
    color: #2c3e50;
}

.sleep-times-list {
    list-style-type: none;
    padding: 0;
}

.sleep-time-option {
    padding: 10px 15px;
    margin-bottom: 10px;
    background-color: white;
    border-left: 4px solid #3498db;
    border-radius: 4px;
}

.sleep-calculator-loading {
    text-align: center;
    padding: 20px;
    color: #7f8c8d;
}

@media (max-width: 480px) {
    .time-input-container {
        flex-direction: column;
    }
    
    .sleep-calculator-container {
        padding: 10px;
    }
}