/* ========================================
   馨婷的家书 - iOS Health 风格重构
   设计理念：马卡龙配色、温暖宁静、适老设计
   ======================================== */

:root {
    /* 基础色 - 亮色模式 */
    --bg-color: #F8F9FA;
    --card-bg: #FFFFFF;
    --text-main: #1C1C1E;
    --text-sub: #8E8E93;

    /* 功能色 - 马卡龙配色 */
    --color-pink-bg: rgba(255, 45, 85, 0.12);
    --color-pink-text: #FF2D55;
    --color-blue-bg: rgba(0, 122, 255, 0.12);
    --color-blue-text: #007AFF;
    --color-green-bg: rgba(137, 164, 146, 0.08);
    --color-green-text: #6b9d7a;
    --color-orange-bg: rgba(255, 149, 0, 0.12);
    --color-orange-text: #FF9500;

    /* 暗色模式功能色 */
    --color-green-bg-dark: rgba(137, 164, 146, 0.12);
    --color-blue-bg-dark: rgba(0, 122, 255, 0.15);
    --color-pink-bg-dark: rgba(255, 45, 85, 0.15);
    --color-orange-bg-dark: rgba(255, 149, 0, 0.15);

    /* 主色调（保持兼容性） */
    --primary: #34C759;
    --primary-hover: #2FB84D;
    --primary-active: #28A745;
    --accent: #34C759;
    --success: #34C759;
    --warning: #FF9500;
    --danger: #FF6B6B;

    /* 阴影 - 极柔和 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);

    /* 圆角 */
    --radius-lg: 32px;
    --radius-md: 24px;
    --radius-sm: 16px;
    --radius-pill: 999px;
}

/* 暗色模式适配 */
body.dark-mode {
    --bg-color: #000000;
    --card-bg: #1C1C1E;
    --text-main: #FFFFFF;
    --text-sub: #AEAEB2;

    --color-pink-bg: #3D2626;
    --color-pink-text: #FF8A8A;
    --color-blue-bg: #1A2F3D;
    --color-blue-text: #64B5F6;
    --color-green-bg: #1E3A28;
    --color-green-text: #66D98F;
    --color-orange-bg: #3D3020;
    --color-orange-text: #FFB84D;

    --primary: #66D98F;
    --primary-hover: #52C77D;
    --primary-active: #3FB56B;
    --accent: #66D98F;
    --success: #66D98F;
    --warning: #FFB84D;
    --danger: #FF8A8A;

    --shadow-sm: 0 2px 8px rgba(255, 255, 255, 0.02);
    --shadow-md: 0 4px 16px rgba(255, 255, 255, 0.04);
    --shadow-lg: 0 8px 24px rgba(255, 255, 255, 0.06);
}

/* 系统暗色模式自动适配 */
@media (prefers-color-scheme: dark) {
    :root:not(.light-mode) {
        --bg-color: #000000;
        --card-bg: #1C1C1E;
        --text-main: #FFFFFF;
        --text-sub: #AEAEB2;

        --color-pink-bg: #3D2626;
        --color-pink-text: #FF8A8A;
        --color-blue-bg: #1A2F3D;
        --color-blue-text: #64B5F6;
        --color-green-bg: #1E3A28;
        --color-green-text: #66D98F;
        --color-orange-bg: #3D3020;
        --color-orange-text: #FFB84D;

        --primary: #66D98F;
        --primary-hover: #52C77D;
        --primary-active: #3FB56B;
        --accent: #66D98F;
        --success: #66D98F;
        --warning: #FFB84D;
        --danger: #FF8A8A;

        --shadow-sm: 0 2px 8px rgba(255, 255, 255, 0.02);
        --shadow-md: 0 4px 16px rgba(255, 255, 255, 0.04);
        --shadow-lg: 0 8px 24px rgba(255, 255, 255, 0.06);
    }
}

/* 移动端/小屏适配优化 */
@media (max-width: 480px) {
    :root {
        --radius-lg: 28px;
        --radius-md: 20px;
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-color);
    min-height: 100vh;
    color: var(--text-main);
    padding: 20px;
    font-size: 18px;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* === 布局容器 === */
.container {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

/* === 核心组件：卡片 === */
.card-glass {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px 32px;
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(0, 0, 0, 0.03);
    margin-bottom: 24px;
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

body.dark-mode .card-glass {
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.card-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-green-text), var(--color-blue-text));
    opacity: 0.6;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* === 核心组件：按钮 === */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 64px;
    padding: 0 28px;
    font-size: 20px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
    color: var(--text-main);
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:disabled:active {
    transform: none;
}

/* 功能色按钮 */
.btn-pink {
    background: var(--color-pink-bg);
    color: var(--color-pink-text);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.15);
}

.btn-pink:active {
    background: var(--color-pink-bg);
    filter: brightness(0.95);
}

.btn-blue {
    background: var(--color-blue-bg);
    color: var(--color-blue-text);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.15);
}

.btn-blue:active {
    background: var(--color-blue-bg);
    filter: brightness(0.95);
}

.btn-green,
.btn-primary,
.btn-success {
    background: var(--color-green-bg);
    color: var(--color-green-text);
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.15);
}

.btn-green:active,
.btn-primary:active,
.btn-success:active {
    background: var(--color-green-bg);
    filter: brightness(0.95);
}

.btn-orange {
    background: var(--color-orange-bg);
    color: var(--color-orange-text);
    box-shadow: 0 4px 12px rgba(255, 149, 0, 0.15);
}

.btn-orange:active {
    background: var(--color-orange-bg);
    filter: brightness(0.95);
}

/* === 选项卡样式 === */
.choice-btn {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 20px 24px;
    margin-bottom: 20px;
    font-size: 19px;
    font-weight: 600;
    color: var(--text-main);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;

    /* 确保按钮宽度一致 */
    width: 100%;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    min-height: 64px;
}

.choice-btn:active {
    transform: scale(0.94);
    background: rgba(137, 164, 146, 0.25);
    box-shadow: inset 0 4px 8px rgba(0, 0, 0, 0.15);
    border-color: var(--color-green-text);
    transition: all 0.05s ease;
}

body.dark-mode .choice-btn:active {
    background: rgba(137, 164, 146, 0.35);
    box-shadow: inset 0 4px 8px rgba(0, 0, 0, 0.3);
}

.choice-btn.highlight {
    border-color: var(--color-green-text);
    background: var(--color-green-bg);
    color: var(--color-green-text);
    font-weight: 600;
}

/* 统一所有按钮为绿色配色 */
.choice-btn {
    background: var(--color-green-bg);
    color: var(--color-green-text);
    border-color: var(--color-green-text);
}

body.dark-mode .choice-btn {
    background: var(--color-green-bg-dark);
    color: var(--color-green-text);
    border-color: var(--color-green-text);
}


/* === 页面切换控制 === */
.page {
    display: none;
    animation: fadeIn 0.4s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* === 顶部导航 === */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.nav-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--card-bg);
    border: none;
    box-shadow: var(--shadow-sm);
    color: var(--text-main);
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-btn:active {
    transform: scale(0.95);
}

/* === 主题切换按钮 === */
.theme-toggle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--card-bg);
    border: none;
    box-shadow: var(--shadow-sm);
    color: var(--text-main);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* === 语音开关 === */
.voice-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--card-bg);
    border: none;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-pill);
    color: var(--text-sub);
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    min-height: 48px;
}

.voice-toggle:active {
    transform: scale(0.98);
}

.voice-toggle.active {
    background: var(--color-green-bg);
    color: var(--color-green-text);
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.15);
}

/* === 身体部位网格 === */
.body-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.body-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 28px 16px;
    text-align: center;
    cursor: pointer;
    border: 2px solid rgba(0, 0, 0, 0.04);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

body.dark-mode .body-card {
    border: 2px solid rgba(255, 255, 255, 0.08);
}

.body-card:active {
    transform: scale(0.98);
}

.body-card:hover,
.body-card.selected {
    border-color: var(--color-pink-text);
    background: var(--color-pink-bg);
}

.body-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 10px;
}

.body-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
}

/* === 症状胶囊 === */
.symptom-tag {
    display: inline-block;
    padding: 14px 24px;
    background: var(--card-bg);
    border: 2px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-pill);
    margin: 6px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    color: var(--text-main);
}

body.dark-mode .symptom-tag {
    border: 2px solid rgba(255, 255, 255, 0.12);
}

.symptom-tag:active {
    transform: scale(0.98);
}

.symptom-tag.active {
    background: var(--color-pink-bg);
    color: var(--color-pink-text);
    border-color: var(--color-pink-text);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.2);
}

/* === 结果页 === */
.result-header {
    border-bottom: 2px dashed rgba(0, 0, 0, 0.08);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

body.dark-mode .result-header {
    border-bottom: 2px dashed rgba(255, 255, 255, 0.12);
}

.suggest-content {
    font-size: 18px;
    line-height: 1.8;
}

.suggest-content h3 {
    color: var(--primary);
    margin: 24px 0 12px;
    font-size: 20px;
    font-weight: 600;
}

.suggest-content li {
    margin-bottom: 12px;
    list-style-position: inside;
}

.suggest-c.body-label {
    font-size: 16px;
    color: var(--text-main);
    font-weight: 600;
}

.suggest-content strong {
    color: var(--text-main);
    font-weight: 600;
}

.disclaimer {
    background: var(--color-orange-bg);
    color: var(--color-orange-text);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    margin-top: 24px;
    text-align: center;
    border: 2px solid rgba(255, 149, 0, 0.2);
    font-weight: 500;
    line-height: 1.6;
}

/* === 通用工具类 === */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 20px;
}

/* === 剧情文本 === */
#story-text {
    font-size: 22px;
    line-height: 1.8;
    margin-bottom: 30px;
    min-height: 100px;
    font-weight: 500;
}

/* === Fade In 动画 === */
.fade-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* === 响应式优化 === */
@media (max-width: 480px) {
    body {
        padding: 16px;
        font-size: 17px;
    }

    .card-glass {
        padding: 28px 20px;
    }

    .btn {
        font-size: 19px;
        min-height: 60px;
    }

    .body-icon {
        font-size: 42px;
    }

    .body-label {
        font-size: 17px;
    }

    #story-text {
        font-size: 20px;
    }
}