:root {
    /* Color Palette */
    --primary-color: #FF9500;
    --primary-hover: #e68600;
    --secondary-color: #004994;
    --secondary-hover: #003a75;
    --background-color: #F4F6F9;
    --surface-color: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --border-color: #E0E0E0;
    --success-color: #28a745;
    --warning-color: #e1c721;
    --danger-color: #dc3545;
    --info-color: #17a2b8;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Typography */
    --font-family: 'Noto Sans JP', sans-serif;
    --font-size-sm: 12px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-xxl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    
    /* Transitions */
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    font-size: var(--font-size-md);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--secondary-color);
    color: var(--surface-color);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-speed), transform var(--transition-speed);
    flex-shrink: 0;
    overflow: hidden;
}

/* Hide sidebar when not open (desktop) */
@media (min-width: 769px) {
    .sidebar:not(.open) {
        width: 0;
        min-width: 0;
    }
}

.sidebar-header {
    padding: var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.1);
    font-weight: bold;
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
    cursor: pointer;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--surface-color);
    border-left: 4px solid var(--primary-color);
}

.nav-item i {
    margin-right: var(--spacing-sm);
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: margin-right var(--transition-speed);
}

/* Header */
.top-header {
    height: 60px;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.header-title h1 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    text-align: right;
}

.user-name {
    font-weight: bold;
    font-size: var(--font-size-md);
}

.user-role {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.avatar {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--surface-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Content Area */
.content-area {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* Cards */
.card {
    background-color: var(--surface-color);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    min-height: 100%; /* Use min-height instead of height to allow growth */
    display: flex;
    flex-direction: column;
    overflow: visible; /* Allow content to overflow if needed */
}

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

/* Toolbar */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--background-color);
    border-radius: 4px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    width: 300px;
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    padding: var(--spacing-xs);
    flex: 1;
}

.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white; 
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

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

.btn-outline:hover {
    background-color: var(--background-color);
    color: var(--text-primary);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

/* Tree View / Table */
.tree-table-container {
    overflow-x: auto;
    flex: 1;
}

.tree-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-md);
}

.tree-table th {
    text-align: left;
    padding: var(--spacing-md);
    background-color: var(--background-color);
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.tree-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid #eee;
    vertical-align: middle;
}

.tree-table tr:hover {
    background-color: #fff9f0; /* Very light orange tint on hover */
}

/* Tree items */
.tree-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tree-toggle {
    cursor: pointer;
    color: var(--text-secondary);
    width: 20px;
    display: inline-block;
    text-align: center;
    user-select: none;
}

.folder-icon {
    color: #FFC107; /* Folder yellow */
    margin-right: var(--spacing-xs);
}

.file-icon {
    color: var(--text-secondary);
    margin-right: var(--spacing-xs);
}

/* Badges / Labels */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: bold;
    color: white;
    background-color: var(--text-secondary);
    margin-left: var(--spacing-sm);
}

.badge-blue { background-color: var(--secondary-color); }
.badge-green { background-color: var(--success-color); }
.badge-orange { background-color: var(--primary-color); }
.badge-red { background-color: var(--danger-color); }
.badge-teal { background-color: var(--info-color); }
.badge-gray { background-color: #6c757d; }


/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        position: absolute;
        left: -250px;
        height: 100%;
        z-index: 100;
    }
    
    .sidebar.open {
        left: 0;
        box-shadow: var(--shadow-md);
    }
    
    .top-header {
        padding: 0 var(--spacing-md);
    }
}

/* Split View Layout */
.split-view {
    display: flex;
    gap: var(--spacing-md);
    height: 100%;
    overflow: hidden;
}

.split-sidebar {
    width: 300px;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    flex-shrink: 0; /* Prevent shrinking */
}

.split-content {
    flex: 1;
    background-color: var(--surface-color);
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: var(--font-size-md);
    font-family: var(--font-family);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 149, 0, 0.2);
}

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

/* Icon Grid */
.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.icon-option {
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.icon-option:hover {
    background-color: var(--background-color);
}

.icon-option.selected {
    border-color: var(--primary-color);
    background-color: rgba(255, 149, 0, 0.1);
}

.icon-option img {
    width: 24px;
    height: 24px;
}

/* Utility */
.text-muted {
    color: var(--text-secondary);
}

.d-flex {
    display: flex;
}

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

.justify-end {
    justify-content: flex-end;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

/* View Section Visibility */
.view-section {
    display: none;
    height: 100%;
    overflow: visible; /* Allow content to overflow */
    min-height: 0; /* Allow flex item to shrink */
}

.view-section.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
    overflow: visible; /* Allow content to overflow */
}

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

/* Cluster Column Settings Panel */
.cluster-column-settings {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--surface-color);
}

.cluster-column-settings .settings-header {
    padding: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background-color 0.2s;
}

.cluster-column-settings .settings-header:hover {
    background-color: var(--background-color);
}

.cluster-column-settings .settings-content {
    padding: 12px;
    max-height: 300px;
    overflow-y: auto;
}

.cluster-column-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: #f9f9f9;
    border-radius: 4px;
    cursor: move;
    transition: background-color 0.2s, opacity 0.2s;
}

.cluster-column-item:hover {
    background-color: #f0f0f0;
}

.cluster-column-item.dragging {
    opacity: 0.5;
    background-color: rgba(255, 149, 0, 0.1);
}

.cluster-column-item .fa-grip-vertical {
    color: var(--text-secondary);
    cursor: grab;
}

.cluster-column-item:active .fa-grip-vertical {
    cursor: grabbing;
}

.cluster-column-item input[type="checkbox"] {
    cursor: pointer;
}

.cluster-column-item label {
    flex: 1;
    cursor: pointer;
    margin: 0;
}

.cluster-column-item .btn-move-up,
.cluster-column-item .btn-move-down {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.2s;
}

.cluster-column-item .btn-move-up:hover:not(:disabled),
.cluster-column-item .btn-move-down:hover:not(:disabled) {
    color: var(--primary-color);
}

.cluster-column-item .btn-move-up:disabled,
.cluster-column-item .btn-move-down:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.cluster-column-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.cluster-column-buttons button {
    flex: 1;
    padding: 6px 12px;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.cluster-column-buttons .btn-select-all {
    background-color: var(--primary-color);
}

.cluster-column-buttons .btn-select-all:hover {
    background-color: var(--primary-hover);
}

.cluster-column-buttons .btn-deselect-all {
    background-color: var(--text-secondary);
}

.cluster-column-buttons .btn-deselect-all:hover {
    background-color: #555555;
}

.cluster-column-buttons .btn-apply {
    background-color: var(--success-color);
}

.cluster-column-buttons .btn-apply:hover {
    background-color: #218838;
}

/* Report Detail View */
.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0; /* Allow grid item to shrink below content size */
    width: 100%; /* Ensure full width within grid cell */
}

.info-item label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap; /* Prevent label from wrapping */
}

.info-value {
    font-size: 14px;
    color: var(--text-primary);
    padding: 8px;
    background: var(--background-color);
    border-radius: 4px;
    min-height: 20px;
    word-wrap: break-word; /* Break long words */
    overflow-wrap: break-word; /* Modern property for word wrapping */
    word-break: break-word; /* Break words if necessary */
    white-space: normal; /* Allow text to wrap */
    width: 100%; /* Ensure full width */
    box-sizing: border-box; /* Include padding in width calculation */
}

#report-image-container {
    overflow: auto;
    max-height: 80vh;
    display: block !important;
}

#report-image-container img {
    max-width: 100%;
    width: auto;
    height: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    display: block;
    margin: 0 auto;
}

#report-image-container embed,
#report-image-container iframe {
    width: 100%;
    min-height: 600px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: block;
}

#report-image-container .pdf-viewer-container {
    width: 100%;
    height: 80vh;
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: #f5f5f5;
    display: block !important;
}

#report-image-container .pdf-viewer-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    min-height: auto;
    display: block !important;
}

/* Favorite Labels */
.favorite-star {
    transition: color 0.2s, transform 0.2s;
}

.favorite-star:hover {
    transform: scale(1.2);
}

.favorite-shortcut-btn {
    transition: background-color 0.2s, transform 0.1s;
}

.favorite-shortcut-btn:hover {
    background-color: rgba(255, 215, 0, 0.1);
    transform: translateY(-1px);
}

.favorite-shortcuts-wrapper {
    position: relative;
    margin-right: auto;
    margin-left: 16px;
}

.favorite-shortcuts-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.favorite-shortcuts-toggle.open .toggle-caret {
    transform: rotate(180deg);
}

.favorite-count-badge {
    display: none;
    min-width: 18px;
    height: 18px;
    border-radius: 999px;
    background: var(--primary-color);
    color: #fff;
    font-size: 11px;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

.toggle-caret {
    font-size: 10px;
    transition: transform 0.2s ease;
}

.favorite-shortcuts-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: 360px;
    max-height: 360px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-background, #fff);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    display: none;
    flex-direction: column;
    gap: 16px;
    z-index: 20;
}

.favorite-shortcuts-panel.open {
    display: flex;
}

.favorite-empty-message {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    padding: 12px;
    border-radius: 4px;
    background: rgba(0,0,0,0.02);
}

.favorite-section {
    display: none;
    flex-direction: column;
    gap: 8px;
}

.favorite-section.active {
    display: flex;
}

.favorite-section-header {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

.favorite-shortcuts-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 120px;
    overflow-y: auto;
    padding-right: 4px;
}

.favorite-shortcuts-list::-webkit-scrollbar {
    width: 4px;
}

.favorite-shortcuts-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* Right Sidebar */
.right-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 0;
    height: 100vh;
    background-color: var(--surface-color);
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: width var(--transition-speed), transform var(--transition-speed);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.right-sidebar.open {
    width: 600px;
}

.right-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--surface-color);
    min-height: 60px;
}

.right-sidebar-header h2 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin: 0;
}

.right-sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.right-sidebar-content::-webkit-scrollbar {
    width: 8px;
}

.right-sidebar-content::-webkit-scrollbar-track {
    background: var(--background-color);
}

.right-sidebar-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.right-sidebar-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Overlay for right sidebar */
.right-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

.right-sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Adjust main content when right sidebar is open */
.main-content.right-sidebar-open {
    margin-right: 600px;
    transition: margin-right var(--transition-speed);
}