/* ===== 基础变量 ===== */
:root {
    /* 暖白色调 */
    --color-bg-primary: #FDF8F3;
    --color-bg-secondary: #F5F0E8;
    --color-bg-tertiary: #EDE6DA;
    --color-border: #E8E0D5;
    --color-border-light: #F0EAE2;
    
    /* 文字色 */
    --color-text-primary: #2C2420;
    --color-text-secondary: #6B5F56;
    --color-text-tertiary: #9A8E82;
    
    /* 强调色 */
    --color-accent-red: #E85A4F;
    --color-accent-red-light: #F4A5A0;
    --color-accent-coral: #F4A261;
    --color-accent-blue: #2C3E50;
    --color-accent-gold: #D4A574;
    
    /* 字体 */
    --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', serif;
    --font-body: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== 重置与基础 ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== 背景装饰 ===== */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-accent-coral) 0%, var(--color-accent-red-light) 100%);
    top: -100px;
    right: -150px;
    animation: float 20s ease-in-out infinite;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-bg-tertiary) 100%);
    bottom: -50px;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

.noise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ===== 页面容器 ===== */
.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    max-width: 480px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* ===== 页面切换 ===== */
.page {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.page.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* ===== 开始页 ===== */
.landing-content {
    min-height: calc(100vh - var(--spacing-lg) * 2);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.brand-tag {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-xl);
    text-transform: uppercase;
}

.main-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.title-line.accent {
    color: var(--color-accent-red);
    position: relative;
}

.title-line.accent::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--color-accent-red-light) 0%, transparent 100%);
    opacity: 0.4;
    z-index: -1;
}

.subtitle {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

/* 龙虾插图 */
.lobster-illustration {
    width: 140px;
    height: 140px;
    margin-bottom: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lobster-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: gentle-bob 4s ease-in-out infinite;
    filter: drop-shadow(0 8px 20px rgba(232, 90, 79, 0.2));
}

@keyframes gentle-bob {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

/* 主按钮 */
.primary-btn {
    width: 100%;
    max-width: 280px;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(44, 36, 32, 0.15);
}

.primary-btn:active {
    transform: translateY(0);
}

.btn-text {
    font-weight: 500;
    letter-spacing: 0.1em;
}

.btn-sub {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    opacity: 0.7;
}

.footer-note {
    margin-top: auto;
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    letter-spacing: 0.1em;
}

/* ===== 测试页 ===== */
.quiz-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 12px var(--spacing-lg) 8px;
    z-index: 10;
}

/* 第一行：上一题 | 进度条 | x/y */
.header-row-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
    margin-bottom: 8px;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 4px 0;
    background: transparent;
    border: none;
    color: var(--color-text-tertiary);
    font-family: var(--font-body);
    font-size: 0.75rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-fast);
    min-width: 60px;
}

.back-btn:hover {
    color: var(--color-text-secondary);
}

.back-btn svg {
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.back-btn:hover svg {
    transform: translateX(-2px);
}

.progress-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 0 var(--spacing-md);
}

.progress-bar {
    width: 120px;
    height: 3px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-red) 0%, var(--color-accent-coral) 100%);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
    width: 10%;
}

.header-right {
    min-width: 60px;
    text-align: right;
}

.progress-text {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

/* 第二行：QUESTION X */
.header-row-bottom {
    display: flex;
    justify-content: center;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
}

.question-number {
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    letter-spacing: 0.15em;
    line-height: 1;
}

/* 题目内容区 */
.quiz-content {
    padding-top: 75px;
    min-height: calc(100vh - var(--spacing-lg) * 2);
    display: flex;
    flex-direction: column;
}

.question-container {
    margin-bottom: var(--spacing-xl);
}

.question-number {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-sm);
}

.question-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-text-primary);
}

.options-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
}

.option-btn {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    text-align: left;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    line-height: 1.6;
}

.option-btn:hover {
    background: var(--color-bg-primary);
    border-color: var(--color-border);
    transform: translateX(4px);
}

.option-btn:active {
    transform: translateX(2px);
}

.option-btn.selected {
    background: var(--color-bg-primary);
    border-color: var(--color-accent-red);
    box-shadow: 0 4px 12px rgba(232, 90, 79, 0.1);
}

/* ===== 结果页 ===== */
.result-content {
    padding: var(--spacing-xl) 0;
}

.report-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.report-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    color: var(--color-accent-red);
    margin-bottom: var(--spacing-md);
}

.archetype-name {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.archetype-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.badges {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
}

.badge.secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

/* 雷达图 */
.radar-container {
    width: 100%;
    max-width: 320px;
    margin: 0 auto var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.radar-chart {
    width: 100%;
    height: auto;
}

.radar-label {
    font-size: 11px;
    fill: var(--color-text-tertiary);
    font-family: var(--font-body);
}

/* 钳子格言 */
.quote-section {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--color-text-primary);
    border-radius: var(--radius-lg);
    color: var(--color-bg-primary);
}

.quote-section blockquote {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.lobster-behavior {
    font-size: 0.8rem;
    opacity: 0.7;
    letter-spacing: 0.1em;
}

/* 分析部分 */
.analysis-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.analysis-text {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
}

/* 次要人格 */
.secondary-types {
    margin-bottom: var(--spacing-2xl);
}

.type-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.type-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.type-bar-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    min-width: 4em;
}

.type-bar-track {
    flex: 1;
    height: 8px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.type-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-coral) 0%, var(--color-accent-gold) 100%);
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

.type-bar-value {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    min-width: 3em;
    text-align: right;
}

/* 龙虾 ID 生成区 */
.lobster-id-section {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--color-accent-red-light);
}

.lobster-id-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.lobster-id-desc strong {
    color: var(--color-accent-red);
}

.generate-id-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-accent-red) 0%, var(--color-accent-coral) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.generate-id-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(232, 90, 79, 0.3);
}

/* 下载区 */
.download-section {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border: 2px dashed var(--color-border);
}

.download-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.download-desc strong {
    color: var(--color-accent-red);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-accent-red);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.download-btn:hover {
    background: #D94A3F;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(232, 90, 79, 0.3);
}

/* 重测按钮 */
.secondary-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition-normal);
}

.secondary-btn:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-text-tertiary);
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 36, 32, 0.8);
    z-index: 100;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 360px;
    width: 100%;
    position: relative;
    text-align: center;
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-tertiary);
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text-primary);
}

.modal-image-container {
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-secondary);
}

.modal-image-container img {
    width: 100%;
    height: auto;
    display: block;
}

.modal-hint {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
}

/* ===== 动画类 ===== */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

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

.slide-in {
    animation: slideIn 0.4s ease forwards;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ===== 响应式微调 ===== */
@media (min-width: 480px) {
    .main-title {
        font-size: 3rem;
    }
    
    .archetype-name {
        font-size: 2.5rem;
    }
    
    .quote-section blockquote {
        font-size: 1.6rem;
    }
}

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

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

.mt-auto {
    margin-top: auto;
}