* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input[type="number"],
select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: #2c3e50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    cursor: pointer;
    margin-top: 1rem;
}

button:hover {
    background-color: #34495e;
}

.hidden {
    display: none;
}

#result {
    margin-top: 2rem;
    padding: 1rem;
    border-top: 2px solid #eee;
    max-width: 100%;
    overflow-wrap: break-word;
}

#riskScore {
    font-weight: bold;
    font-size: 1.2rem;
    color: #2c3e50;
}

#riskLevel {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
}

.low-risk {
    background-color: #d1e7dd;  /* 浅绿色背景 - 低风险 */
    border: 1px solid #badbcc;
    color: #0f5132;
}

.moderate-risk {
    background-color: #fff3cd;  /* 浅黄色背景 - 中等风险 */
    border: 1px solid #ffecb5;
    color: #664d03;
}

.high-risk {
    background-color: #f8d7da;  /* 浅红色背景 - 高风险 */
    border: 1px solid #f5c2c7;
    color: #842029;
}

.language-switch,
.lang-btn {
    display: none;
}

.input-unit-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

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

.input-unit-group select {
    width: auto;
    min-width: 90px;
}

.unit-hint {
    display: block;
    color: #666;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* 添加语言选择器样式 */
.language-selector {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
}

.language-selector select {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    font-size: 1rem;
    cursor: pointer;
}

.language-selector select:hover {
    border-color: #2c3e50;
}

/* 为RTL语言支持添加样式 */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

/* 添加医学建议显示样式 */
.guidelines-section,
.lifestyle-section,
.bp-section,
.diabetes-section,
.lipids-section {
    margin: 1.5rem 0;
    padding: 1rem;
    border: 1px solid #eee;
    border-radius: 4px;
    background-color: #fff;
}

.guidelines-section h4,
.lifestyle-section h4,
.bp-section h4,
.diabetes-section h4,
.lipids-section h4 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

/* 使用 pre 标签保持格式化文本的显示 */
pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 风险等级样式优化 */
.low-risk,
.moderate-risk,
.high-risk {
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
}

/* 确保长文本不会溢出容器 */
#result {
    max-width: 100%;
    overflow-wrap: break-word;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .guidelines-section,
    .lifestyle-section,
    .bp-section,
    .diabetes-section,
    .lipids-section {
        padding: 0.75rem;
    }
    
    pre {
        font-size: 0.85rem;
    }
}

.advice-section {
    margin: 1.5rem 0;
    padding: 1rem;
    border-radius: 4px;
    background-color: #fff;
}

.advice-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: bold;
}

.low-risk h4 { color: #0f5132; }
.moderate-risk h4 { color: #664d03; }
.high-risk h4 { color: #842029; }

.advice-content {
    padding: 1rem;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.7);
}

.advice-content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #333;
}

.update-notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.update-notification button {
    background-color: white;
    color: #2c3e50;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    margin: 0;
    width: auto;
}

.update-notification button:hover {
    background-color: #f5f5f5;
}

/* 循证医学证据级别样式 */
.evidence-level-1 {
    color: #2c7be5;  /* 深蓝色 - 最高级别证据 */
    font-weight: bold;
}

.evidence-level-2 {
    color: #2fb344;  /* 绿色 - 中等级别证据 */
}

.evidence-level-3 {
    color: #d97706;  /* 橙色 - 较低级别证据 */
}

.evidence-header {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 5px;
}

.evidence-legend {
    font-size: 0.8em;
    color: #666;
    margin-top: 10px;
    padding: 5px;
    border-top: 1px solid #eee;
}

.evidence-legend span {
    display: block;
    margin: 2px 0;
}

/* 风险等级样式 */
.lowRisk {
    background-color: #d1e7dd;
    border-left: 4px solid #0f5132;
    color: #0f5132;
    padding: 12px;
    margin: 8px 0;
    border-radius: 4px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.moderateRisk {
    background-color: #fff3cd;
    border-left: 4px solid #664d03;
    color: #664d03;
    padding: 12px;
    margin: 8px 0;
    border-radius: 4px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.highRisk {
    background-color: #f8d7da;
    border-left: 4px solid #842029;
    color: #842029;
    padding: 12px;
    margin: 8px 0;
    border-radius: 4px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 建议内容容器 */
.advice-content {
    margin: 10px 0;
}

/* 移除 pre 标签的默认样式 */
.advice-content pre {
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}