/* 计算器页面共用样式 */
.calculator-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    margin-top: 30px;
    margin-bottom: 30px;
}



.calculator-description {
    background-color: var(--bg-color);
    border-left: 5px solid var(--primary-color);
    padding: 15px 20px;
    margin-bottom: 30px;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    color: var(--text-color);
}

.calculator-form {
    background-color: #f9f9f9;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}



/* 计算器信息部分 */
.calculator-info {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-top: 30px;
}

.calculator-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.calculator-info p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--text-color);
}

.calculator-info ul,
.calculator-info ol {
    margin-bottom: 15px;
    margin-left: 20px;
    color: var(--text-color);
}

.calculator-info ul li,
.calculator-info ol li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.calculator-info strong {
    color: var(--primary-color);
}

.calculator-info a {
    color: var(--primary-color);
    text-decoration: none;
}

.calculator-info a:hover {
    text-decoration: underline;
}

.disclaimer {
    font-style: italic;
    color: #666;
    margin-top: 30px;
    font-size: 14px;
}

/* 标签样式优化 */
.formula-tag {
    position: relative;
    padding-left: 24px;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.formula-tag::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231976d2'%3E%3Cpath d='M19 3H5C3.9 3 3 3.9 3 5v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-5 14H7v-2h7v2zm3-4H7v-2h10v2zm0-4H7V7h10v2z'/%3E%3C/svg%3E");
    background-size: contain;
}

/* 标签页样式 */
.tab-bar {
    display: flex;
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 25px;
}

.tab-item {
    flex: 1;
    padding: 15px 10px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    border-bottom: 3px solid transparent;
}

.tab-item.active {
    background-color: var(--primary-light);
    border-bottom: 3px solid var(--primary-color);
}

.tab-main {
    font-weight: 600;
    margin-bottom: 4px;
}

.tab-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 表单容器 */
.form-container {
    position: relative;
    overflow: hidden;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.input-card {
    padding: 20px;
    transition: transform 0.3s ease;
    position: absolute;
    width: 100%;
    box-sizing: border-box;
    opacity: 0;
    transform: translateX(100%);
    pointer-events: none;
}

.input-card.active {
    position: relative;
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

.input-card.next {
    transform: translateX(100%);
}

.input-card.prev {
    transform: translateX(-100%);
}

/* 输入项样式 */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-item {
    position: relative;
}

.input-item label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding-left: 20px;
}

/* 添加输入框前的图标 */
.input-item label::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-size: contain;
    background-repeat: no-repeat;
}

/* 年龄输入框图标 */
.input-item:has(#age-basic) label::before,
.input-item:has(#age-combined) label::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231976d2'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8 8zm.5-13H11v6l5.2 3.2.8-1.3-4.5-2.7V7z'/%3E%3C/svg%3E");
}

/* 性别输入框图标 */
.input-item:has(.gender-group) label::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231976d2'%3E%3Cpath d='M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z'/%3E%3C/svg%3E");
}

/* 血清肌酐输入框图标 */
.input-item:has(#scr-basic) label::before,
.input-item:has(#scr-combined) label::before,
.input-item:has(#scr-child) label::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231976d2'%3E%3Cpath d='M19 5h-2V3H7v2H5c-1.1 0-2 .9-2 2v1c0 2.55 1.92 4.63 4.39 4.94.63 1.5 1.98 2.63 3.61 2.96V19H7v2h10v-2h-4v-3.1c1.63-.33 2.98-1.46 3.61-2.96C19.08 12.63 21 10.55 21 8V7c0-1.1-.9-2-2-2zM5 8V7h2v3.82C5.84 10.4 5 9.3 5 8zm7 6c-1.65 0-3-1.35-3-3V5h6v6c0 1.65-1.35 3-3 3zm7-6c0 1.3-.84 2.4-2 2.82V7h2v1z'/%3E%3C/svg%3E");
}

/* 胱抑素C输入框图标 */
.input-item:has(#cysc-combined) label::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231976d2'%3E%3Cpath d='M19.8 18.4L14 10.67V6.5l1.35-1.69c.26-.33.03-.81-.39-.81H9.04c-.42 0-.65.48-.39.81L10 6.5v4.17L4.2 18.4c-.49.66-.02 1.6.8 1.6h14c.82 0 1.29-.94.8-1.6z'/%3E%3C/svg%3E");
}

/* 身高输入框图标 */
.input-item:has(#height-child) label::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231976d2'%3E%3Cpath d='M13 3c-4.97 0-9 4.03-9 9H1l3.89 3.89.07.14L9 12H6c0-3.87 3.13-7 7-7s7 3.13 7 7-3.13 7-7 7c-1.93 0-3.68-.79-4.94-2.06l-1.42 1.42C8.27 19.99 10.51 21 13 21c4.97 0 9-4.03 9-9s-4.03-9-9-9zm1 7v-2h-2v6h2v-2h2v-2h-2z'/%3E%3C/svg%3E");
}

.input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.unit-switch {
    position: relative;
    display: flex;
    align-items: center;
    font-size: 14px;
    color: var(--text-secondary);
}

.unit-switch span {
    padding: 3px 6px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}

.unit-switch span.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-weight: 500;
}

.unit-tip {
    font-size: 12px;
    position: absolute;
    padding: 0 10px;
    left: 50%;
    transform: translateX(-50%);
    top: -15px;
    background: rgba(0, 0, 0, 0.6);;
    color: #ffffff;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.3s;
    box-sizing: border-box;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

input[type="text"]:focus,
input[type="number"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.2);
    outline: none;
}

/* 性别选择按钮 */
.gender-group {
    display: flex;
    gap: 10px;
}

.gender-option {
    flex: 1;
    text-align: center;
    padding: 12px;
    border-radius: 6px;
    background-color: #f1f1f1;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.gender-option::before {
    content: "";
    position: absolute;
    width: 24px;
    height: 24px;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.7;
}

.gender-option[data-gender="male"]::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231976d2'%3E%3Cpath d='M12 7.5c1.66 0 3 1.34 3 3s-1.34 3-3 3-3-1.34-3-3 1.34-3 3-3zm8-4.5H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 14H4V5h16v12z'/%3E%3C/svg%3E");
}

.gender-option[data-gender="female"]::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23e91e63'%3E%3Cpath d='M12 7.5c1.66 0 3 1.34 3 3s-1.34 3-3 3-3-1.34-3-3 1.34-3 3-3zm8-4.5H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 14H4V5h16v12z'/%3E%3C/svg%3E");
}

.gender-option.active {
    background-color: var(--primary-color);
    color: white;
}

.gender-option.active::before {
    opacity: 1;
    filter: brightness(5);
}

/* 结果部分 */
.result-section {
    background-color: var(--primary-light);
    padding: 15px;
    border-radius: 6px;
    margin-top: 5px;
}

.result-title {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.result-content {
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.result-value {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
}

.result-unit {
    font-size: 16px;
    color: var(--text-secondary);
    margin-left: 5px;
}

/* 计算按钮 */
.calculate-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 6px rgba(25, 118, 210, 0.4);
    margin: 20px 0;
    position: relative;
    overflow: hidden;
}

.calculate-btn::after {
    content: "";
    position: absolute;
    width: 24px;
    height: 24px;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-5.97 4.06L14.09 9l1.41 1.41L16.91 9l1.06 1.06-1.06 1.06-2.47 2.47-2.47-2.47-1.06-1.06L11.97 9l1.06-1.06 1.06 1.06zm-4.47 9.88l-1.39-1.39 1.42-1.42 1.39 1.39 1.39-1.39 1.42 1.42-1.39 1.39 1.39 1.39-1.42 1.42-1.39-1.39-1.39 1.39-1.42-1.42 1.39-1.39z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
}

.calculate-btn:hover {
    background-color: #1565c0;
    box-shadow: 0 4px 8px rgba(25, 118, 210, 0.5);
}

.calculate-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 4px rgba(25, 118, 210, 0.4);
}


/* 响应式设计 */
@media (max-width: 768px) {
    .form-container {
        margin-bottom: 0px;
    }
    .calculator-container {
        padding: 15px;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    
    .calculator-description {
        padding: 12px 15px;
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .input-card {
        padding: 15px;
    }
    
    .input-group {
        gap: 15px;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .calculate-btn {
        font-size: 16px;
        padding: 12px 24px;
    }
    
    .calculator-info {
        padding: 20px;
        margin-top: 20px;
    }
    
    .calculator-info h3 {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .calculator-info p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .disclaimer {
        font-size: 13px;
        margin-top: 20px;
    }
}

@media (max-width: 480px) {
    .form-container {
        margin-bottom: 0px;
    }
    .calculator-container {
        padding: 10px;
        margin-top: 15px;
        margin-bottom: 15px;
    }
    
    .calculator-description {
        padding: 10px 12px;
        font-size: 0.85rem;
        margin-bottom: 15px;
    }
    
    .input-card {
        padding: 12px;
    }
    
    .input-group {
        gap: 12px;
    }
    
    .input-item label {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    input[type="text"],
    input[type="number"] {
        font-size: 14px;
        padding: 10px 12px;
    }
    
    .radio-group {
        gap: 8px;
    }
    
    .radio-item {
        font-size: 14px;
    }
    
    .calculate-btn {
        font-size: 14px;
        padding: 10px 20px;
    }
    
    .result-title {
        font-size: 14px;
    }
    
    .result-value {
        font-size: 0.9rem;
    }
    
    .calculator-info {
        padding: 15px;
        margin-top: 15px;
    }
    
    .calculator-info h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .calculator-info p {
        font-size: 0.85rem;
        line-height: 1.5;
        margin-bottom: 12px;
    }
    
    .disclaimer {
        font-size: 12px;
        margin-top: 15px;
    }
}