/* 猝死警戒 - 统一样式 */

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #1a1a2e;
    --bg-card: #16213e;
    --color-warning: #ff4444;
    --color-warning-2: #ffaa00;
    --color-success: #00cc66;
    --color-text: #ffffff;
    --color-text-secondary: #aaaaaa;
    --gradient-warning: linear-gradient(135deg, #ff4444, #ff6600);
    --gradient-bg: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
}

body {
    font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
    background: var(--gradient-bg);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.6;
}

/* 容器 */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* 页面动画 */
.page {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 标题样式 */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

/* 首页样式 */
.hero {
    text-align: center;
    padding: 60px 20px;
}

.hero .warning-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero h1 {
    color: var(--color-warning);
    font-size: 3rem;
    text-shadow: 0 0 30px rgba(255, 68, 68, 0.5);
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin: 20px 0 40px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    background: var(--gradient-warning);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 68, 68, 0.4);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(255, 68, 68, 0.6);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--color-warning);
    box-shadow: none;
}

.btn-secondary:hover {
    background: var(--color-warning);
}

/* 统计卡片 */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 60px;
}

.stat-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 68, 68, 0.2);
}

.stat-card .number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-warning);
    display: block;
}

.stat-card .label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 5px;
}

/* 问卷页面样式 */
.quiz-header {
    text-align: center;
    margin-bottom: 40px;
}

.progress-container {
    background: var(--bg-card);
    border-radius: 10px;
    height: 8px;
    margin: 20px 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-warning);
    border-radius: 10px;
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: 10px;
}

.question-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 68, 68, 0.1);
}

.question-number {
    font-size: 0.9rem;
    color: var(--color-warning);
    margin-bottom: 15px;
    display: block;
}

.question-text {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 30px;
}

/* 选项按钮 */
.options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-btn {
    padding: 16px 24px;
    font-size: 1rem;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.option-btn:hover {
    background: rgba(255, 68, 68, 0.1);
    border-color: var(--color-warning);
}

.option-btn.selected {
    background: var(--color-warning);
    border-color: var(--color-warning);
}

/* 导航按钮 */
.quiz-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.quiz-nav .btn {
    padding: 12px 30px;
    font-size: 1rem;
}

/* 结果页面样式 */
.result-header {
    text-align: center;
    padding: 40px 0;
}

.risk-level {
    font-size: 3rem;
    font-weight: 700;
    margin: 20px 0;
}

.risk-level.extreme-high {
    color: #ff0000;
    text-shadow: 0 0 30px rgba(255, 0, 0, 0.5);
}

.risk-level.high {
    color: #ff6600;
    text-shadow: 0 0 20px rgba(255, 102, 0, 0.5);
}

.risk-level.medium {
    color: #ffaa00;
}

.risk-level.low {
    color: #00cc66;
}

.risk-level.very-low {
    color: #00ff88;
}

.score-display {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-warning);
    margin: 20px 0;
}

.score-display span {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
}

/* 结果详情卡片 */
.result-cards {
    display: grid;
    gap: 20px;
}

.result-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid var(--color-warning);
}

.result-card h3 {
    color: var(--color-warning);
    margin-bottom: 15px;
}

.result-card ul {
    list-style: none;
    padding: 0;
}

.result-card li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.result-card li:last-child {
    border-bottom: none;
}

/* 风险因素列表 */
.risk-factors {
    margin-top: 30px;
}

.risk-factors h3 {
    margin-bottom: 15px;
}

.factors-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.factor-tag {
    padding: 8px 16px;
    background: rgba(255, 68, 68, 0.2);
    border: 1px solid var(--color-warning);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--color-warning);
}

/* 建议区域 */
.recommendations {
    margin-top: 30px;
}

.recommendation-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background: rgba(0, 204, 102, 0.1);
    border-radius: 10px;
    margin-bottom: 15px;
}

.recommendation-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* 分享按钮 */
.share-section {
    text-align: center;
    margin-top: 40px;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.share-btn {
    padding: 12px 25px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-btn:hover {
    border-color: var(--color-warning);
    background: rgba(255, 68, 68, 0.1);
}

/* 返回按钮 */
.back-section {
    text-align: center;
    margin-top: 30px;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 2rem;
    }

    .question-card {
        padding: 25px;
    }

    .question-text {
        font-size: 1.2rem;
    }

    .risk-level {
        font-size: 2rem;
    }

    .score-display {
        font-size: 3rem;
    }
}