/* Climate Drivers - Page-specific styles */
/* Uses main.css as base */

/* ========================================
   Layout
   ======================================== */
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
}

/* ========================================
   Content Section (Width Control)
   ======================================== */
.content-section {
    max-width: 800px;
    margin: 0 auto 2.5rem;
}

.content-section h2 {
    margin-bottom: 1.5rem;
}

.section-intro {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    background: linear-gradient(135deg, var(--header-bg) 0%, #1a3a5c 100%);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 2.5rem;
    text-align: center;
    color: #fff;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero-tagline {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

body.ja .hero-tagline {
    font-size: 1.4rem;
}

.hero-subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 1rem;
    line-height: 1.7;
}

.hero-drivers {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.hero-driver-badge {
    background: rgba(255,255,255,0.15);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.hero-driver-badge .icon {
    font-size: 1rem;
}

/* ========================================
   Driver Cards Grid
   ======================================== */
.driver-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .driver-grid {
        grid-template-columns: 1fr;
    }
}

.driver-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 4px solid var(--accent-teal);
    box-shadow: var(--shadow);
}

.driver-card.enso { border-left-color: #ef4444; }
.driver-card.typhoon { border-left-color: #06b6d4; }
.driver-card.kuroshio { border-left-color: #f97316; }
.driver-card.iod { border-left-color: #22c55e; }
.driver-card.pdo { border-left-color: #8b5cf6; }

.driver-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.driver-icon {
    font-size: 2rem;
    line-height: 1;
}

.driver-title-block {
    flex: 1;
}

.driver-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.driver-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.driver-description {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.driver-impact {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
}

.driver-impact-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.35rem;
}

.driver-impact-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.driver-warning {
    font-size: 0.85rem;
    color: #92400e;
    background: #fef3c7;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    line-height: 1.6;
}

/* ========================================
   Mechanism Flow Box
   ======================================== */
.mechanism-flow-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: var(--shadow);
}

.mechanism-flow-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    text-align: center;
}

.mechanism-flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.mechanism-flow .step {
    background: var(--bg-secondary);
    padding: 0.5rem 0.85rem;
    border-radius: 6px;
    color: var(--text-secondary);
}

.mechanism-flow .arrow {
    color: var(--text-muted);
    font-weight: 500;
}

.mechanism-result {
    background: #fef2f2;
    color: #dc2626;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
}

/* ========================================
   Diagram Containers
   ======================================== */
.diagram-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.diagram-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.diagram-svg {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.diagram-caption {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 1rem;
    line-height: 1.6;
    text-align: center;
}

/* Comparison Grid (typhoon diagram) */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 0.75rem;
}

@media (max-width: 600px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

.comparison-item {
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
}

.comparison-item.danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.comparison-item.safe {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.comparison-item h5 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

/* Kuroshio diagram adjustment */
.kuroshio-diagram .diagram-svg {
    max-width: 400px;
}

/* ========================================
   Site Cards Grid
   ======================================== */
.site-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .site-grid {
        grid-template-columns: 1fr;
    }
}

.site-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.site-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.site-coords {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    margin-top: 0.25rem;
}

.site-predictability {
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.site-predictability .star {
    color: #fbbf24;
}

.site-predictability .star.empty {
    color: #d1d5db;
}

.site-drivers {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.site-driver-tag {
    padding: 0.35rem 0.65rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.site-driver-tag.primary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 500;
}

.site-driver-tag.secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.site-description {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.site-bleaching-years {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

/* ========================================
   Predictability Matrix Table
   ======================================== */
.matrix-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 0.75rem;
}

.predictability-matrix {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.predictability-matrix th,
.predictability-matrix td {
    padding: 0.75rem 0.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.predictability-matrix th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.predictability-matrix td:first-child {
    text-align: left;
    font-weight: 500;
}

.predictability-matrix tbody tr:hover {
    background: var(--bg-secondary);
}

/* Influence indicators */
.influence-strong {
    color: #059669;
    font-weight: 600;
}

.influence-moderate {
    color: var(--text-secondary);
}

.influence-weak {
    color: var(--text-muted);
}

.influence-none {
    color: #d1d5db;
}

/* ========================================
   Key Insight Box
   ======================================== */
.key-insight {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    padding: 1.25rem;
    margin-top: 1.5rem;
}

.key-insight-header {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.key-insight p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

/* ========================================
   Misconception List
   ======================================== */
.misconception-list {
    display: grid;
    gap: 1rem;
}

.misconception-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    border-left: 4px solid #ef4444;
    box-shadow: var(--shadow);
}

.misconception-wrong {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.misconception-wrong span:first-child {
    color: #ef4444;
}

.misconception-correct {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
    padding-left: 1.75rem;
    margin-bottom: 0.5rem;
}

.misconception-cite {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding-left: 1.75rem;
    font-style: italic;
}

/* ========================================
   Related Links
   ======================================== */
.related-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

@media (max-width: 900px) {
    .related-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .related-links {
        grid-template-columns: 1fr;
    }
}

.related-link {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: var(--shadow);
}

.related-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: var(--accent-teal);
}

.related-link h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.related-link p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}