.calculator-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.calculator-box {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 25px;
    margin-bottom: 30px;
    transition: all 0.3s ease-in-out;
}

/* 输入区域动画 */
#inputContainer {
    transition: all 0.3s ease-in-out;
}

#inputContainer.with-results {
    animation: slideLeft 0.3s forwards;
}

/* 结果区域动画 */
#resultsColumn {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease-in-out;
}

#resultsColumn.show {
    opacity: 1;
    transform: translateX(0);
}

@keyframes slideLeft {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(0);
    }
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: 500;
}

.input-group {
    display: flex;
    align-items: center;
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    color: #495057;
    padding: 0.375rem 0.75rem;
}

.form-control {
    flex: 1;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}

.form-select {
    width: 100%;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}

.btn-group {
    display: flex;
    gap: 5px;
}

.btn-outline-primary {
    color: #0d6efd;
    border-color: #0d6efd;
    background-color: transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
}

.btn-check:checked + .btn-outline-primary {
    color: #fff;
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-success {
    color: #fff;
    background-color: #4CAF50;
    border: none;
    padding: 12px 25px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-success:hover {
    background-color: #45a049;
}

.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border: none;
    padding: 8px 16px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* 结果区域样式 */
.results-box {
    background-color: #f8f9fa;
}

.result-item {
    margin-bottom: 15px;
}

.result-item label {
    display: block;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.result-value {
    font-size: 1.1rem;
    font-weight: 500;
    color: #333;
    padding: 8px;
    background-color: #fff;
    border-radius: 4px;
    border: 1px solid #ddd;
}

.result-value.highlight {
    color: #2196F3;
    font-weight: 600;
}

/* 图表容器 */
.chart-container {
    margin-top: 30px;
    padding: 15px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .calculator-box {
        padding: 15px;
    }
    
    .form-control, .form-select {
        font-size: 14px;
    }
    
    .btn-success {
        font-size: 1rem;
        padding: 10px 20px;
    }
    
    .result-value {
        font-size: 1rem;
    }
}

.form-control.is-invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #dc3545;
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: #dc3545;
}

.was-validated .form-control:invalid:focus,
.form-control.is-invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

.alert {
    position: relative;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-danger {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}

.form-control:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.input-group .form-control.is-invalid {
    z-index: 3;
}

/* 输入错误时的输入框样式 */
.input-group.has-validation > .input-group-text {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group.has-validation > .form-control.is-invalid {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}