/* ============================================================
   MBTI 性格评估 — 设计系统
   暖白纸本 × 琥珀点缀 · 编辑主义 · Fraunces + DM Sans
   ============================================================ */

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

/* ---------- 设计令牌 ---------- */
:root {
    --amber: #C4952F;
    --amber-light: #DFB864;
    --amber-dim: #9A7828;
    --amber-glow: rgba(196, 149, 47, 0.15);
    --amber-subtle: rgba(196, 149, 47, 0.06);

    --bg: #F3EFE6;
    --bg-surface: #EBE6DA;
    --bg-card: #FFFFFF;
    --bg-elevated: #FAF8F4;
    --bg-hover: #F5F0E8;

    --text: #1C1810;
    --text-secondary: #6B6352;
    --text-muted: #9C9278;
    --text-dim: #C4BAA2;

    --border: rgba(108, 94, 68, 0.10);
    --border-hover: rgba(108, 94, 68, 0.18);
    --border-active: rgba(196, 149, 47, 0.30);

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.5);
    --shadow-ambient: 0 0 60px rgba(196, 149, 47, 0.06);

    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition: 0.45s var(--ease-out);
    --transition-fast: 0.25s var(--ease-out);
}

/* ---------- 基础 ---------- */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* ---------- 环境光源 ---------- */
.ambient-light {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    will-change: transform;
}

.light-1 {
    width: 90vw;
    height: 90vw;
    max-width: 900px;
    max-height: 900px;
    top: -20%;
    right: -10%;
    background: radial-gradient(circle, rgba(196, 149, 47, 0.05) 0%, transparent 70%);
    animation: ambientDrift 12s ease-in-out infinite alternate;
}

.light-2 {
    width: 70vw;
    height: 70vw;
    max-width: 700px;
    max-height: 700px;
    bottom: -15%;
    left: -10%;
    background: radial-gradient(circle, rgba(180, 160, 120, 0.04) 0%, transparent 70%);
    animation: ambientDrift 16s ease-in-out infinite alternate-reverse;
}

@keyframes ambientDrift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 3%) scale(1.08); }
}

/* ---------- 颗粒纹理 ---------- */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.012;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* ---------- 容器 ---------- */
.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 48px 28px 80px;
    position: relative;
    z-index: 1;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hidden {
    display: none !important;
}

/* ============================================================
   开场页
   ============================================================ */
.welcome-content {
    text-align: center;
    max-width: 520px;
    animation: welcomeReveal 1s var(--ease-out);
}

@keyframes welcomeReveal {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 装饰性徽章 */
.welcome-emblem {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 36px;
    opacity: 0.6;
}

.emblem-line {
    width: 48px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--amber-dim), transparent);
}

.emblem-diamond {
    font-size: 0.7rem;
    color: var(--amber);
    opacity: 0.5;
}

/* 标题 */
.welcome-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 3.2rem;
    font-weight: 600;
    font-variation-settings: 'SOFT' 60, 'WONK' 0;
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--text);
}

.title-line {
    display: block;
}

.title-emph {
    color: var(--amber);
    font-variation-settings: 'SOFT' 40, 'WONK' 0;
    font-weight: 700;
}

.welcome-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

/* 统计卡片 */
.welcome-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 12px;
    box-shadow: var(--shadow-sm);
}

.stat-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-value {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.5rem;
    font-weight: 700;
    font-variation-settings: 'SOFT' 60;
    color: var(--amber);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.03em;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border);
    flex-shrink: 0;
}

.welcome-hint {
    color: var(--text-dim);
    font-size: 0.82rem;
    margin-top: 16px;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--amber);
    color: var(--bg);
    box-shadow: 0 4px 20px rgba(196, 149, 47, 0.25);
}

.btn-primary:hover {
    background: var(--amber-light);
    box-shadow: 0 6px 32px rgba(196, 149, 47, 0.35);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0) scale(0.97);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--border-hover);
    color: var(--text);
    transform: translateY(-1px);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.05rem;
    border-radius: var(--radius-lg);
}

.btn-arrow {
    transition: transform 0.3s var(--ease-out);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

/* ============================================================
   测试页 — 固定头部
   ============================================================ */
.test-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(243, 239, 230, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 680px;
    margin: 0 auto;
    padding: 14px 28px 12px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.progress-pct {
    font-variant-numeric: tabular-nums;
}

.progress-track {
    height: 3px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--amber);
    border-radius: 4px;
    transition: width 0.5s var(--ease-out);
    box-shadow: 0 0 12px rgba(196, 149, 47, 0.2);
}

/* 头部行（维度药丸 + 答题卡按钮） */
.header-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 维度指示器 */
.dimension-pills {
    display: flex;
    gap: 6px;
}

.dim-pill {
    padding: 3px 10px;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    background: rgba(108, 94, 68, 0.04);
    border: 1px solid var(--border);
    border-radius: 100px;
    transition: var(--transition-fast);
    text-transform: uppercase;
}

.dim-pill.active {
    color: var(--amber);
    border-color: var(--border-active);
    background: var(--amber-subtle);
    box-shadow: 0 0 16px var(--amber-glow);
}

.dim-pill.done {
    color: var(--text-muted);
    border-color: rgba(108, 94, 68, 0.06);
    opacity: 0.5;
}

/* 答题卡按钮 */
.btn-sheet {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-left: auto;
    padding: 5px 11px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1.4;
    flex-shrink: 0;
}

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

.btn-sheet:active {
    transform: scale(0.96);
}

/* ============================================================
   题目区
   ============================================================ */
.question-stage {
    width: 100%;
    margin-top: 130px;
    min-height: calc(100vh - 130px);
    min-height: calc(100dvh - 130px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.question-area {
    width: 100%;
    max-width: 560px;
    padding-top: 28px;
    transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.question-area.transitioning {
    opacity: 0;
    transform: translateY(12px);
}

.question-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

/* 上一题按钮 */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-left: auto;
    padding: 5px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1.4;
}

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

.btn-back:active {
    transform: scale(0.96);
}

.btn-back svg {
    flex-shrink: 0;
}

.question-number {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 0.85rem;
    font-weight: 600;
    font-variation-settings: 'SOFT' 60;
    color: var(--amber);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
}

.question-dimension {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 2px 10px;
    text-transform: uppercase;
}

.question-text {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.5rem;
    font-weight: 500;
    font-variation-settings: 'SOFT' 50;
    line-height: 1.55;
    margin-bottom: 36px;
    color: var(--text);
    letter-spacing: -0.01em;
}

/* ---------- 选项 ---------- */
.options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
    line-height: 1.5;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.option-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 60%;
    background: var(--amber);
    border-radius: 0 3px 3px 0;
    transition: transform 0.3s var(--ease-out);
}

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

.option-btn:hover::before {
    transform: translateY(-50%) scaleY(1);
}

.option-btn .option-marker {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    border: 1.5px solid var(--border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: 'Fraunces', Georgia, serif;
    color: var(--text-dim);
    transition: var(--transition-fast);
}

.option-btn:hover .option-marker {
    border-color: var(--amber-dim);
    color: var(--amber);
}

.option-btn.selected {
    color: var(--text);
    border-color: rgba(196, 149, 47, 0.35);
    background: rgba(196, 149, 47, 0.05);
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(196, 149, 47, 0.08);
}

.option-btn.selected::before {
    transform: translateY(-50%) scaleY(1);
}

.option-btn.selected .option-marker {
    background: var(--amber);
    border-color: var(--amber);
    color: #fff;
    box-shadow: 0 0 16px rgba(196, 149, 47, 0.25);
}

/* 选项入场动画 */
.option-btn {
    opacity: 0;
    transform: translateY(8px);
    animation: optionEnter 0.4s var(--ease-out) forwards;
}

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

.option-btn:nth-child(1) { animation-delay: 0.05s; }
.option-btn:nth-child(2) { animation-delay: 0.10s; }
.option-btn:nth-child(3) { animation-delay: 0.15s; }
.option-btn:nth-child(4) { animation-delay: 0.20s; }
.option-btn:nth-child(5) { animation-delay: 0.25s; }

/* ============================================================
   结果页
   ============================================================ */
.result-content {
    width: 100%;
    padding-top: 20px;
    animation: resultReveal 0.8s var(--ease-out);
}

@keyframes resultReveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-header {
    text-align: center;
    margin-bottom: 40px;
}

/* 类型字母 */
.type-letters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
}

.type-letter-card {
    width: 68px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Fraunces', Georgia, serif;
    font-size: 2rem;
    font-weight: 800;
    font-variation-settings: 'SOFT' 30;
    color: #fff;
    border-radius: var(--radius);
    letter-spacing: 0.02em;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(16px) scale(0.9);
    animation: letterEnter 0.5s var(--ease-out) forwards;
}

@keyframes letterEnter {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.type-letter-card:nth-child(1) { animation-delay: 0.1s; }
.type-letter-card:nth-child(2) { animation-delay: 0.2s; }
.type-letter-card:nth-child(3) { animation-delay: 0.3s; }
.type-letter-card:nth-child(4) { animation-delay: 0.4s; }

.type-letter-card:hover {
    transform: translateY(-3px) scale(1.04);
    filter: brightness(1.15);
}

.result-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 2rem;
    font-weight: 700;
    font-variation-settings: 'SOFT' 50;
    color: var(--text);
    margin-bottom: 10px;
}

.result-brief {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto;
}

/* ---------- 维度结果卡片 ---------- */
.result-dimensions {
    display: grid;
    gap: 10px;
    margin-bottom: 32px;
}

.dim-result-card {
    display: grid;
    grid-template-columns: 40px 1fr 40px;
    align-items: center;
    gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.dim-result-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card);
}

.dim-letter {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.2rem;
    font-weight: 700;
    font-variation-settings: 'SOFT' 60;
    color: var(--text-muted);
    text-align: center;
    transition: var(--transition-fast);
}

.dim-letter.active {
    color: var(--amber);
    font-size: 1.3rem;
}

.dim-letter.opposite {
    color: var(--text-dim);
}

.dim-letter.opposite.active {
    color: var(--text-secondary);
    font-size: 1.3rem;
}

.dim-bar-wrapper {
    height: 5px;
    background: rgba(108, 94, 68, 0.06);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.dim-bar-fill {
    height: 100%;
    background: var(--amber);
    border-radius: 6px;
    width: 0%;
    transition: width 1.2s var(--ease-out);
    box-shadow: 0 0 10px rgba(196, 149, 47, 0.15);
}

.dim-label-text {
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--text-dim);
    text-align: center;
    letter-spacing: 0.02em;
    margin-top: 2px;
}

/* ---------- 性格解读 ---------- */
.result-detail,
.result-traits-section {
    margin-bottom: 28px;
}

.section-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.15rem;
    font-weight: 600;
    font-variation-settings: 'SOFT' 50;
    color: var(--text);
    margin-bottom: 16px;
}

.heading-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--amber);
    opacity: 0.6;
}

.detail-body {
    color: var(--text-secondary);
    line-height: 1.85;
    font-size: 0.92rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.detail-body p {
    margin-bottom: 14px;
}

.detail-body p:last-child {
    margin-bottom: 0;
}

/* ---------- 特质 ---------- */
.trait-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.trait-tag {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.trait-tag:hover {
    border-color: var(--border-hover);
    color: var(--text);
    transform: translateY(-1px);
}

/* ---------- 结果页脚 ---------- */
.result-footer {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

/* ============================================================
   答题卡模态
   ============================================================ */
.sheet-overlay {
    position: fixed;
    inset: 0;
    z-index: 500;
    background: rgba(12, 10, 21, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: overlayIn 0.25s var(--ease-out);
}

@keyframes overlayIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.sheet-modal {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: min(90vh, 560px);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s var(--ease-out);
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(16px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px 12px;
}

.sheet-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.05rem;
    font-weight: 600;
    font-variation-settings: 'SOFT' 50;
    color: var(--text);
}

.sheet-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.sheet-close:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

.sheet-close:active {
    transform: scale(0.92);
}

.sheet-body {
    padding: 8px 20px 4px;
    overflow-y: auto;
    flex: 1;
}

.sheet-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 6px;
}

.sheet-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: 'DM Sans', sans-serif;
    font-variant-numeric: tabular-nums;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.sheet-cell:hover {
    border-color: var(--amber-dim);
    color: var(--amber);
    background: var(--amber-subtle);
}

.sheet-cell.done {
    background: var(--amber);
    border-color: var(--amber);
    color: #fff;
    font-weight: 700;
}

.sheet-cell.done:hover {
    background: var(--amber-light);
    border-color: var(--amber-light);
    color: #fff;
}

.sheet-cell.current {
    border-color: var(--amber);
    color: var(--amber);
    background: var(--bg-card);
    box-shadow: 0 0 0 1px var(--amber);
}

.sheet-cell.dim {
    opacity: 0.25;
    cursor: default;
}

.sheet-cell.dim:hover {
    border-color: var(--border);
    color: var(--text-secondary);
    background: var(--bg-card);
}

.sheet-footer {
    padding: 10px 20px 16px;
    text-align: center;
}

.sheet-stat {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 14px 28px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--bg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: var(--transition);
    z-index: 200;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ============================================================
   保存结果卡片（欢迎页）
   ============================================================ */
.saved-result {
    margin-top: 28px;
    animation: fadeUp 0.5s var(--ease-out);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.saved-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
    margin-bottom: 16px;
}

.saved-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.saved-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--amber);
    opacity: 0.5;
}

.saved-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.saved-body {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 18px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    font-family: inherit;
    font-size: inherit;
    transition: var(--transition-fast);
}

.saved-body:hover {
    border-color: var(--border-hover);
    background: var(--bg-card);
}

.saved-body:active {
    transform: scale(0.99);
}

.saved-type-mini {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.saved-type-mini span {
    width: 28px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Fraunces', Georgia, serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: #fff;
    border-radius: 5px;
    letter-spacing: 0.02em;
}

.saved-meta {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 0;
}

.saved-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

.saved-date {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.saved-arrow {
    color: var(--text-dim);
    transition: transform 0.3s var(--ease-out);
    flex-shrink: 0;
}

.saved-body:hover .saved-arrow {
    transform: translateX(4px);
}

/* ============================================================
   响应式
   ============================================================ */

/* 平板 */
@media (max-width: 700px) {
    .container {
        padding: 36px 20px 60px;
    }

    .header-inner {
        padding: 12px 20px 10px;
    }

    .question-stage {
        margin-top: 120px;
        min-height: calc(100vh - 120px);
    }

    .trait-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机 */
@media (max-width: 520px) {
    .welcome-title {
        font-size: 2.4rem;
    }

    .welcome-stats {
        flex-direction: row;
        padding: 16px 8px;
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .question-text {
        font-size: 1.2rem;
        margin-bottom: 28px;
    }

    .option-btn {
        padding: 14px 16px;
        font-size: 0.88rem;
    }

    .type-letter-card {
        width: 56px;
        height: 60px;
        font-size: 1.6rem;
    }

    .result-title {
        font-size: 1.6rem;
    }

    .result-dimensions {
        gap: 8px;
    }

    .dim-result-card {
        padding: 12px 14px;
        gap: 10px;
        grid-template-columns: 32px 1fr 32px;
    }

    .detail-body {
        padding: 20px;
    }

    .btn-large {
        padding: 14px 36px;
        font-size: 0.95rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.88rem;
    }

    .question-area {
        padding-top: 16px;
    }

    .welcome-emblem {
        margin-bottom: 28px;
    }

    .emblem-line {
        width: 32px;
    }
}

@media (max-width: 380px) {
    .trait-grid {
        grid-template-columns: 1fr 1fr;
    }

    .type-letter-card {
        width: 48px;
        height: 52px;
        font-size: 1.3rem;
    }
}

/* 答题卡手机适配 */
@media (max-width: 440px) {
    .sheet-grid {
        grid-template-columns: repeat(8, 1fr);
        gap: 4px;
    }
    .sheet-cell {
        height: 32px;
        font-size: 0.68rem;
    }
    .sheet-body {
        padding: 4px 14px 0;
    }
    .sheet-header {
        padding: 14px 14px 8px;
    }
}