/* Design Tokens */
:root {
    --primary-color: #0056b3;
    /* Deep Blue */
    --secondary-color: #00a0e9;
    /* Lighter Blue */
    --accent-color: #f39c12;
    /* Warning Orange */
    --alert-color: #e74c3c;
    /* Alert Red */
    --bg-color: #f4f7f6;
    /* Light Grayish Blue */
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-sub: #666666;
    --border-radius: 12px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --font-main: 'Noto Sans JP', sans-serif;
    --font-en: 'Inter', sans-serif;
}

/* Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header nav {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-family: var(--font-en);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-button {
    background-color: #fff;
    color: var(--primary-color);
    border: none;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    margin-left: 20px;
}

.nav-button:hover {
    background-color: #f0f0f0;
    color: var(--primary-color);
}

/* Reload Button Specific Styles */
#reload-btn {
    padding: 8px;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: white;
}

#reload-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.icon-reload {
    width: 24px;
    height: 24px;
    transition: transform 0.7s ease-in-out;
}

#reload-btn:hover .icon-reload {
    transform: rotate(180deg);
}

.last-updated {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Hero Section */
.hero {
    padding: 3rem 0 2rem;
    text-align: center;
    background-color: white;
    border-bottom: 1px solid #eee;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.hero-subtitle {
    color: var(--text-sub);
    margin-bottom: 2rem;
}

/* Summary Cards – single row of three cards */
.summary-cards {
    display: flex;
    flex-wrap: nowrap;
    gap: 20px;
    margin-top: 20px;
    overflow-x: auto;
    padding: 10px 5px 15px 5px;
    /* Add padding to prevent clipping of hover effects */
}

.summary-cards .card {
    flex: 0 0 calc(33.333% - 13.33px);
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-top: 4px solid transparent;
    /* Prepare for colored top border */
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.summary-cards .card:hover {
    transform: translateY(-2px);
}

.summary-cards .card h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
    color: var(--text-sub);
}

.summary-cards .card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 5px;
}

.summary-cards .card .unit {
    font-size: 0.9rem;
    color: var(--text-sub);
    font-weight: normal;
}

.summary-cards .card.active {
    background-color: #fff;
    border-color: rgba(0, 0, 0, 0.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

/* Status Colors - Inactive State (Faint gradient) */
.summary-cards .card[data-status="alert"] {
    background: linear-gradient(to bottom, #fff5f5, #ffffff);
}

.summary-cards .card[data-status="warning"] {
    background: linear-gradient(to bottom, #fffaf0, #ffffff);
}

.summary-cards .card[data-status="normal"] {
    background: linear-gradient(to bottom, #f0fff4, #ffffff);
}

/* Active State Colors based on Status */
.summary-cards .card[data-status="alert"].active {
    border-top-color: var(--alert-color);
    background: linear-gradient(to bottom, #ffebee, #ffffff);
}

.summary-cards .card[data-status="alert"].active h4 {
    color: var(--alert-color);
}

.summary-cards .card[data-status="warning"].active {
    border-top-color: var(--accent-color);
    background: linear-gradient(to bottom, #fff3e0, #ffffff);
}

.summary-cards .card[data-status="warning"].active h4 {
    color: var(--accent-color);
}

.summary-cards .card[data-status="normal"].active {
    border-top-color: #2ecc71;
    background: linear-gradient(to bottom, #e8f5e9, #ffffff);
}

.summary-cards .card[data-status="normal"].active h4 {
    color: #2ecc71;
}

/* Dashboard Layout */
.dashboard {
    padding-bottom: 4rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dashboard-content {
    min-height: 600px;
}

#main-view {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    min-height: 600px;
    align-items: start;
}

.other-diseases-control-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0 20px;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.other-diseases-control-panel h3 {
    font-size: 1.2rem;
    color: var(--text-main);
}

.select-wrapper select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    min-width: 150px;
}

.other-diseases-control-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0 20px;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.other-diseases-control-panel h3 {
    font-size: 1.2rem;
    color: var(--text-main);
}

.select-wrapper select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    min-width: 150px;
}

.other-diseases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    /* 適切な幅に調整 */
    gap: 20px;
    padding: 0 0 20px 0;
}

.disease-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    height: 350px;
    /* グラフを表示するのに十分な高さ */
    cursor: default;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    overflow: hidden;
}

.disease-card.placeholder {
    visibility: hidden;
}

.disease-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

/* Expanded Card Styles */
.disease-card.expanded {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90vw;
    max-width: 900px;
    /* Approx 3 cards width or comfortably large */
    height: 80vh;
    max-height: 800px;
    /* Approx 2 cards height */
    z-index: 1001;
    cursor: zoom-out;
    /* Indicate click to close */
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    background-color: #fff;
    /* Ensure opaque background */
    padding: 30px;
    /* Increase padding for better view */
    overflow: hidden;
    /* Prevent scrollbar on body if content is large */
}

/* Ensure canvas takes full space in expanded mode */
.disease-card.expanded .chart-container {
    height: calc(100% - 40px);
    /* Subtract header height */
}

/* Backdrop */
.card-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(2px);
}

.card-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.disease-card h4 {
    margin-bottom: 0;
    color: var(--primary-color);
    font-size: 1.1rem;
    text-align: left;
    flex-grow: 1;
}

.expand-action-btn {
    background: none;
    border: 1px solid #eee;
    border-radius: 6px;
    cursor: pointer;
    padding: 6px;
    color: var(--text-sub);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
}

.expand-action-btn:hover {
    color: var(--primary-color);
    background-color: #f8f9fa;
    border-color: #ddd;
}

.expand-action-btn svg {
    width: 20px;
    height: 20px;
}

.close-expanded-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #ddd;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    color: #555;
    z-index: 1002;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: all 0.2s;
}

.close-expanded-btn:hover {
    background-color: #f0f0f0;
    color: #333;
    transform: scale(1.05);
}

.disease-card.expanded .close-expanded-btn {
    display: flex;
}

.disease-card.expanded .expand-action-btn {
    display: none;
}

.disease-card .chart-container {
    flex-grow: 1;
    position: relative;
}

.chart-container-no-data {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #999;
}

.disease-card canvas {
    width: 100%;
    height: 100%;
}

.left-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.map-container {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    height: 100%;
    position: relative;
}

/* Map Description Accordion */
.description-accordion {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-top: 20px;
}

.accordion-header {
    width: 100%;
    padding: 15px;
    background: white;
    border: none;
    text-align: left;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.accordion-header:hover {
    background-color: #f8f9fa;
}

.header-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.header-title {
    font-size: 1rem;
    font-weight: 600;
}

.header-preview {
    font-size: 0.9rem;
    color: var(--text-sub);
    font-weight: normal;
}

.accordion-header .icon {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
    margin-left: 10px;
    flex-shrink: 0;
}

.accordion-header.open .icon {
    transform: rotate(180deg);
}

.accordion-header.open .header-preview {
    display: none;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    background-color: #fdfdfd;
}

.accordion-content.open {
    max-height: 1200px;
    /* Enough to show content */
    padding: 15px;
    border-top: 1px solid #eee;
}

.accordion-content h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    border-bottom: 2px solid #eee;
    padding-bottom: 5px;
}

.accordion-content h4 {
    font-size: 0.9rem;
    margin-top: 15px;
    margin-bottom: 8px;
    color: var(--text-sub);
}

.accordion-content p {
    font-size: 0.9rem;
    color: var(--text-main);
    margin-bottom: 15px;
    line-height: 1.5;
}

.legend-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.legend-section li {
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    color: var(--text-main);
}

.color-badge {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
    margin-right: 8px;
    flex-shrink: 0;
}

.color-badge.red {
    background-color: var(--alert-color);
}

.color-badge.orange {
    background-color: var(--accent-color);
}

.color-badge.yellow {
    background-color: #f1c40f;
}

.color-badge.green {
    background-color: #2ecc71;
}

.right-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chart-container-wrapper {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    height: 300px;
}

.detail-panel {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-height: 400px;
    overflow-y: auto;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
}

.placeholder-text {
    color: #999;
    text-align: center;
    margin-top: 50px;
    display: block;
}

.no-data-message {
    text-align: center;
    padding: 2rem;
    color: #666;
}

/* Utilities */
.hidden {
    display: none !important;
}

.position-relative {
    position: relative;
}

/* --- Skeleton Loading Styles --- */
.loading .skeleton {
    display: block;
    /* Initially show skeleton items */
}

.loading .skeleton-card-wrapper {
    display: flex;
}

.loading #summary-cards .card {
    display: none;
    /* Hide real cards while loading */
}

.loading .skeleton-map,
.loading .skeleton-chart,
.loading .skeleton-details {
    display: block;
}

.loading #japan-map>*,
.loading #region-content>:not(.skeleton-details) {
    visibility: hidden;
    /* Hide real content until loaded to prevent layout shifts */
}

/* For chart, visibility alone can cause issues. Hide it completely. */
.loading #trendChart {
    visibility: hidden;
    position: absolute;
    top: -9999px;
    left: -9999px;
}

#trendChart {
    position: static;
    top: auto;
    left: auto;
}


/* Chart Loading Specific Skeleton */
.chart-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.8);
    /* 白っぽい半透明の背景 */
    border-radius: 8px;
    z-index: 10;
}

.chart-loading-skeleton {
    width: 90%;
    height: 80%;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    border-radius: 4px;
}

@keyframes loading-shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* Skeleton Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: #f0f0f0;
    background-image: linear-gradient(90deg,
            #f0f0f0 25%,
            #e0e0e0 50%,
            #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    display: none;
    /* Hide skeletons by default */
}

.skeleton-card-wrapper {
    display: none;
    /* Hide wrapper by default */
    width: 100%;
    gap: 20px;
}

.skeleton-card {
    flex: 1;
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 140px;
    /* Match card height */
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 10px;
}

.skeleton-value {
    height: 36px;
    width: 80%;
}

.skeleton-status {
    height: 20px;
    width: 40%;
    margin-top: auto;
}

.skeleton-map {
    width: 100%;
    height: 400px;
    /* Adjust to match map container */
}

.skeleton-chart {
    width: 100%;
    height: 260px;
    /* Match chart-container-wrapper height */
}

.skeleton-details {
    padding: 20px;
}

.skeleton-text {
    height: 20px;
    margin-bottom: 10px;
}

.skeleton-text:last-child {
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 768px) {
    #main-view {
        grid-template-columns: 1fr;
    }

    .summary-cards {
        flex-wrap: wrap;
    }

    .summary-cards .card {
        flex: 0 0 100%;
    }

    .skeleton-card-wrapper {
        flex-direction: column;
    }

    .disease-card.expanded {
        position: fixed;
        /* fix for mobile layout */
        width: 100%;
        /* use 100% instead of 100vw to avoid scrollbar issues */
        height: 100%;
        /* use 100% instead of 100vh */
        top: 0;
        left: 0;
        transform: none;
        border-radius: 0;
        padding: 40px 10px 10px;
        overflow: hidden;
        /* Hide overflow to keep chart contained */
        z-index: 10000;
        /* Ensure it's on top */
    }

    .other-diseases-grid {
        grid-template-columns: 1fr;
    }


}

/* Prefecture Chart Container (Swapped with Map) */
#pref-chart-container {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    height: 100%;
    /* 親要素(left-panel)の高さを埋める */
    min-height: 500px;
    /* 少なくとも500pxは確保 */
    position: relative;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

#back-to-map-btn {
    align-self: flex-end;
    /* 右寄せ */
    margin-bottom: 10px;
    z-index: 10;
    padding: 5px 15px;
    cursor: pointer;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-sub);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.2s;
}

#back-to-map-btn:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.pref-chart-wrapper {
    flex-grow: 1;
    /* 残りの高さを全て使う */
    width: 100%;
    min-height: 0;
    /* Flexアイテムの最小サイズ制約を解除して縮小可能にする */
    position: relative;
}

.pref-chart-message-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.pref-chart-message {
    color: #666;
    font-size: 1rem;
}

.link-style {
    color: inherit;
    text-decoration: underline;
}

/* Styles for Prefecture Detail List (from map.js) */
.prefecture-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.pref-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 2px 5px; /* Add padding for highlighting */
    transition: background-color 0.2s;
}
.pref-row.selected {
    background-color: #e3f2fd; /* Light blue highlight */
    border-radius: 4px;
    font-weight: bold;
}
.pref-name {
    width: 80px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: underline;
}
.pref-name:hover {
    color: var(--primary-color);
}
.pref-bar-container {
    flex-grow: 1;
    background: #eee;
    height: 10px;
    border-radius: 5px;
    overflow: hidden;
}
.pref-bar {
    height: 100%;
    transition: width 0.5s ease;
}
.pref-bar.alert {
    background: #e74c3c;
}
.pref-bar.warning {
    background: #f39c12;
}
.pref-bar.caution {
    background: #f1c40f;
}
.pref-bar.normal {
    background: #2ecc71;
}
.pref-value {
    width: 50px;
    text-align: right;
    font-family: 'Inter', sans-serif;
}

/* Global Loading Overlay */
body.loading::before {
    content: 'Loading...'; /* Or you could use a more complex spinner animation */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8); /* Semi-transparent white background */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
        z-index: 9999; /* Ensure it's on top of everything */
    }
    
    /* Added for CSP compliance to replace inline styles */
    .modal-expanded {
        position: fixed;
        z-index: 2000;
    }
    
    .modal-close-button {
        display: flex;
    }
    
    .pref-chart-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 10px;
    }
    
    .pref-chart-title {
        margin: 0;
        font-size: 1.2rem;
        color: var(--text-main);
    }
    
    .no-data-message-inline {
        text-align: center;
        padding: 2rem;
        color: #666;
    }
    
    .canvas-reset {
        width: 100%;
        height: 100%;
    }