/* 利息计算器专用样式 */

/* 输入带单位样式 */
.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-unit .form-input {
    padding-right: 50px;
}

.input-with-unit .input-unit {
    position: absolute;
    right: 15px;
    color: #666;
    font-weight: 500;
    pointer-events: none;
}

/* 表单提示 */
.form-hint {
    font-size: 0.875rem;
    color: #666;
    margin-top: 8px;
}

/* 输入组样式 */
.input-group {
    display: flex;
    gap: 10px;
}

.input-group .form-input {
    flex: 1;
}

.input-group .form-select {
    width: auto;
    min-width: 100px;
}

/* 单选按钮组 */
.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.radio-item input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.radio-item label {
    font-size: 1rem;
    cursor: pointer;
    margin: 0;
}

/* 按钮样式 */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.3);
}

/* 结果区域样式 */
.result-section {
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.result-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.result-item {
    background: white;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.result-item.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.result-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.result-item.highlight .result-label {
    color: rgba(255, 255, 255, 0.9);
}

.result-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: #333;
}

.result-item.highlight .result-value {
    color: white;
    font-size: 1.5rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

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

    .result-section {
        padding: 20px;
    }

    .radio-group {
        flex-direction: column;
        gap: 15px;
    }

    .input-group {
        flex-direction: column;
    }

    .input-group .form-select {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .btn {
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }

    .result-title {
        font-size: 1.1rem;
    }

    .result-value {
        font-size: 1.1rem;
    }

    .result-item.highlight .result-value {
        font-size: 1.3rem;
    }
}