/* =============================================
   MBTI 宇宙 - 主要樣式
   ============================================= */

/* ===== 星空背景 ===== */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ===== 導航列 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--spacing-4) 0;
    background: transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
    color: var(--color-text-primary);
}

.logo-icon {
    font-size: var(--text-2xl);
    color: var(--color-accent-gold);
    animation: twinkle 2s ease-in-out infinite;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: var(--spacing-1);
}

.nav-link {
    padding: var(--spacing-2) var(--spacing-4);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--color-accent-gold);
    background: rgba(255, 215, 0, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-2);
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* ===== 區塊樣式 ===== */
.section {
    min-height: 100vh;
    padding: var(--spacing-24) var(--spacing-6);
    display: none;
}

.section.active {
    display: block;
    animation: fade-in-up 0.5s ease;
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-4);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-10);
}

/* ===== 首頁 Hero ===== */
.hero {
    max-width: 1400px;
    margin: 0 auto;
    min-height: 80vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.hero-content {
    animation: slide-in-left 0.8s ease;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--color-accent-gold-dim);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-6);
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

.title-line {
    display: block;
}

.title-accent {
    background: var(--gradient-aurora);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-8);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* 星座預覽 */
.hero-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slide-in-right 0.8s ease;
}

.type-constellation {
    position: relative;
    width: 400px;
    height: 400px;
}

.constellation-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.ring-1 {
    width: 150px;
    height: 150px;
    animation: ring-pulse 3s ease-in-out infinite;
}

.ring-2 {
    width: 250px;
    height: 250px;
    animation: ring-pulse 3s ease-in-out infinite 0.5s;
}

.ring-3 {
    width: 350px;
    height: 350px;
    animation: ring-pulse 3s ease-in-out infinite 1s;
}

.type-orbs {
    position: absolute;
    inset: 0;
}

.type-orb {
    position: absolute;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 2px solid var(--orb-color, rgba(255, 255, 255, 0.2));
    border-radius: 50%;
    font-size: var(--text-xs);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    animation: float 3s ease-in-out infinite;
}

.type-orb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px var(--orb-color, rgba(168, 85, 247, 0.5));
    z-index: 10;
}

/* ===== 四大維度 ===== */
.dimensions-section {
    max-width: 1200px;
    margin: var(--spacing-24) auto 0;
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

/* ===== 測驗區塊 ===== */
.test-container {
    max-width: 700px;
    margin: 0 auto;
}

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

.test-intro-content {
    padding: var(--spacing-12);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
}

.test-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-6);
}

.test-intro h2 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-4);
}

.test-intro p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
}

.test-tips {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-8);
}

/* 測驗進度 */
.test-progress {
    margin-bottom: var(--spacing-8);
}

.progress-info {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-1);
    margin-bottom: var(--spacing-3);
}

.progress-current {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-accent-gold);
}

.progress-separator {
    color: var(--color-text-muted);
}

.progress-total {
    font-size: var(--text-xl);
    color: var(--color-text-tertiary);
}

.progress-dimension {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-3);
}

/* 題目卡片 */
.question-container {
    perspective: 1000px;
}

.question-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    transition: transform var(--transition-base);
}

.question-number {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-4);
}

.question-text {
    font-size: var(--text-xl);
    line-height: 1.6;
    margin-bottom: var(--spacing-8);
}

.options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.test-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-6);
}

/* ===== 人格圖鑑 ===== */
.types-header {
    max-width: 1200px;
    margin: 0 auto var(--spacing-10);
}

.types-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3);
    flex-wrap: wrap;
    margin-top: var(--spacing-6);
}

.types-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

/* ===== 類型比較 ===== */
.compare-container {
    max-width: 900px;
    margin: 0 auto;
}

.compare-selectors {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.compare-select {
    flex: 1;
}

.compare-select label {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-2);
}

.compare-vs {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-accent-gold);
}

.selected-type {
    margin-top: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    min-height: 100px;
}

/* ===== 統計數據 ===== */
.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

.stats-distribution {
    grid-column: span 2;
}

.chart-container {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rarity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    max-height: 400px;
    overflow-y: auto;
}

.rarity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
}

.rarity-rank {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-aurora);
    border-radius: 50%;
    font-size: var(--text-xs);
    font-weight: 700;
}

.rarity-type {
    font-weight: 600;
    flex: 1;
}

.rarity-percent {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* ===== 頁尾 ===== */
.footer {
    padding: var(--spacing-10) var(--spacing-6);
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-text {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-2);
}

.footer-disclaimer {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ===== 響應式設計 ===== */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-preview {
        order: -1;
    }

    .type-constellation {
        width: 300px;
        height: 300px;
    }

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

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stats-distribution {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-secondary);
        padding: var(--spacing-4);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .dimensions-grid {
        grid-template-columns: 1fr;
    }

    .types-grid {
        grid-template-columns: 1fr;
    }

    .compare-selectors {
        flex-direction: column;
    }

    .compare-vs {
        transform: rotate(90deg);
    }

    .section-title {
        font-size: var(--text-3xl);
    }
}