/* Unified Tracker Dashboard Styles */

.story-card {
    position: relative;
    transition: all 0.2s ease;
    border: 1px solid #e0e0e0;
    background: white;
    margin-bottom: 12px; /* Increased from 8px for better spacing */
    cursor: pointer;
    padding: 12px; /* Added consistent padding */
    border-radius: 8px;
    overflow: hidden; /* Prevent content overflow */
    /* CSS containment for performance optimization */
    contain: layout style paint;
    /* Optimize for transforms and animations */
    will-change: transform;
    /* Prevent layout thrashing */
    transform: translateZ(0);
}

/* Enhanced CSS containment optimizations for story cards */
.story-card {
    /* Comprehensive containment for maximum performance */
    contain: layout style paint;
    /* Optimize for virtual scrolling operations */
    will-change: transform, opacity;
    /* Hardware acceleration for smooth animations */
    transform: translateZ(0);
    /* Prevent layout shifts during virtual scrolling */
    backface-visibility: hidden;
    /* Optimize for 3D transforms */
    perspective: 1000px;
    /* Reduce repaints during scroll */
    isolation: isolate;
}

/* Optimized story card for virtual rendering */
.story-card-optimized {
    /* Enhanced containment for virtual scrolling */
    contain: layout style paint;
    /* Optimize for frequent updates */
    will-change: transform, opacity;
    /* Hardware acceleration */
    transform: translateZ(0);
    /* Reduce repaints */
    backface-visibility: hidden;
    /* Optimize for animations */
    perspective: 1000px;
}

/* Virtual story card specific optimizations */
.story-card-virtual {
    /* Minimal transitions for virtual rendering */
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    /* Optimize for drag operations */
    will-change: transform, box-shadow;
    /* Prevent layout shifts during virtual scrolling */
    contain: layout style paint;
}

/* Lightweight story card variant for maximum performance */
.story-card-lightweight {
    /* Minimal styling for performance */
    contain: layout style paint;
    will-change: transform;
    transform: translateZ(0);
    /* Reduced padding for compact display */
    padding: 8px;
    /* Simplified transitions */
    transition: transform 0.1s ease;
    /* Optimize for virtual scrolling */
    backface-visibility: hidden;
}

/* CSS Grid optimizations for virtual list layout */
.story-list {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    /* Optimize grid layout for virtual scrolling */
    contain: layout style;
    /* Prevent layout thrashing */
    will-change: auto;
}

/* Virtual list grid optimizations */
.virtual-story-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    /* Enhanced containment for virtual scrolling */
    contain: layout style paint;
    /* Optimize for dynamic content changes */
    will-change: auto;
    /* Prevent layout shifts */
    min-height: 0;
}

/* Optimized animations that work with virtual scrolling */
.story-card {
    /* Smooth animations optimized for virtual scrolling */
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.15s ease;
    /* Hardware acceleration for animations */
    transform: translateZ(0);
    /* Optimize animation performance */
    will-change: transform, box-shadow, opacity;
}

/* Animation optimizations for virtual cards */
.story-card-virtual {
    /* Optimized transitions for virtual rendering */
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    /* Hardware acceleration */
    transform: translateZ(0);
    /* Optimize for frequent updates */
    will-change: transform, box-shadow;
}

/* Smooth scroll behavior configurations */
.card-body {
    min-height: 300px;
    max-height: 80vh;
    overflow-y: auto;
    overflow-x: hidden; /* Prevent horizontal scroll */
    padding: 0.75rem; /* Increased padding */
    /* Enhanced smooth scrolling */
    scroll-behavior: smooth;
    /* Optimize for touch devices */
    -webkit-overflow-scrolling: touch;
    /* Prevent overscroll */
    overscroll-behavior: contain;
    /* Performance optimizations */
    contain: layout style paint;
    will-change: scroll-position;
}

/* Virtual scroll specific smooth scrolling */
.virtual-scroll-container {
    /* Enhanced smooth scrolling for virtual lists */
    scroll-behavior: smooth;
    /* Optimize for touch scrolling */
    -webkit-overflow-scrolling: touch;
    /* Prevent overscroll behavior */
    overscroll-behavior: contain;
    /* Performance optimizations */
    contain: layout style paint;
    will-change: scroll-position;
}

.story-card:hover {
    transform: translateY(-1px) translateZ(0);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: #007bff;
}

/* Optimized hover for virtual cards */
.story-card-virtual:hover {
    transform: translateY(-1px) translateZ(0);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: #007bff;
}

/* Lightweight hover effect */
.story-card-lightweight:hover {
    transform: translateY(-1px) translateZ(0);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.story-card.story-ghost {
    opacity: 0.5;
    transform: rotate(2deg) translateZ(0);
}

/* Story card drag handle */
.story-drag-handle {
    opacity: 0;
    transition: opacity 0.2s ease;
    /* Optimize for virtual rendering */
    contain: layout style;
    will-change: opacity;
}

.story-card:hover .story-drag-handle {
    opacity: 1;
}

/* Story type badges */
.story-card .badge {
    font-size: 0.7em;
    font-weight: 500;
    margin-right: 4px; /* Ensure spacing between badges */
    white-space: nowrap; /* Prevent badge text wrapping */
    /* Optimize badge rendering */
    contain: layout style;
    will-change: auto;
}

/* Story state badges */
.story-card .story-state .badge {
    font-size: 0.65em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    /* Optimize for frequent updates */
    contain: layout style;
}

/* Story actions - Improved layout to prevent overlapping */
.story-actions {
    display: flex;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    gap: 4px; /* Use gap for consistent spacing */
    align-items: center;
    margin-top: 8px; /* Add space above actions */
    /* Optimize for virtual rendering */
    contain: layout style;
}

.story-actions .btn {
    padding: 0.25rem 0.5rem; /* Increased padding for better touch targets */
    font-size: 0.75rem; /* Slightly larger font */
    border-radius: 4px;
    white-space: nowrap; /* Prevent button text wrapping */
    flex-shrink: 0; /* Prevent buttons from shrinking */
    /* Optimize button rendering */
    contain: layout style;
    will-change: auto;
    /* Smooth transitions for virtual scrolling */
    transition: transform 0.15s ease, background-color 0.15s ease;
}

.story-actions .btn:hover {
    transform: scale(1.05) translateZ(0);
}

/* Owner badge styling */
.story-actions .badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    margin-right: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px; /* Limit width to prevent overflow */
    /* Optimize for virtual rendering */
    contain: layout style;
}

/* Project filters */
.project-filter {
    transition: all 0.2s ease;
    border-radius: 15px;
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
    /* Optimize for virtual rendering */
    contain: layout style;
    will-change: transform, background-color;
}

.project-filter.active {
    background-color: #007bff !important;
    color: white !important;
    border-color: #007bff !important;
    box-shadow: 0 2px 4px rgba(0,123,255,0.3);
}

.project-filter:hover {
    transform: translateY(-1px) translateZ(0);
}

/* Column headers */
.card-header {
    font-weight: 600;
    border-bottom: 2px solid rgba(255,255,255,0.2);
    /* Optimize for virtual rendering */
    contain: layout style;
}

.card-header h6 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Column bodies - Fixed scrollbar issues */
.card-body {
    min-height: 300px;
    max-height: 80vh;
    overflow-y: auto;
    overflow-x: hidden; /* Prevent horizontal scroll */
    padding: 0.75rem; /* Increased padding */
}

/* Ensure only the main card-body scrolls, not nested containers */
.card-body .card-body {
    overflow: visible !important;
    max-height: none !important;
}

/* Single scrollbar styling */
.card-body::-webkit-scrollbar {
    width: 8px;
}

.card-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.card-body::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.card-body::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Story column optimizations */
.story-column {
    height: 100%;
    /* Optimize for virtual rendering */
    contain: layout style;
}

.story-list {
    height: 100%;
    /* Optimize for virtual rendering */
    contain: layout style;
}

.draggable {
    height: 100%;
    /* Optimize for virtual rendering */
    contain: layout style;
}

.virtual-story-list {
    height: 100%;
    /* Optimize for virtual rendering */
    contain: layout style;
}

/* Loading and empty states */
.text-center.text-muted {
    padding: 2rem;
}

.text-center.text-muted i {
    font-size: 3rem;
    opacity: 0.3;
}

/* Story metadata optimizations */
.story-meta {
    font-size: 0.75rem;
    color: #6c757d;
    margin-top: 8px;
    /* Optimize for virtual rendering */
    contain: layout style;
}

.story-meta .border-top {
    padding-top: 8px;
    margin-top: 8px;
}

/* Story title optimizations */
.story-title {
    font-weight: 600;
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 8px;
    color: #333;
    /* Optimize for virtual rendering */
    contain: layout style;
    /* Prevent text wrapping issues */
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* Story description optimizations */
.story-description {
    font-size: 0.8rem;
    color: #666;
    line-height: 1.4;
    margin-bottom: 8px;
    /* Optimize for virtual rendering */
    contain: layout style;
    /* Prevent layout shifts */
    max-height: 3.2em; /* 4 lines max */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

/* Story labels optimizations */
.story-labels {
    margin-bottom: 8px;
    /* Optimize for virtual rendering */
    contain: layout style;
}

.story-labels .badge {
    font-size: 0.65rem;
    margin-right: 4px;
    margin-bottom: 2px;
    /* Optimize for virtual rendering */
    contain: layout style;
    white-space: normal !important;
    word-break: break-all;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Story badges optimizations */
.story-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
    /* Optimize for virtual rendering */
    contain: layout style;
}

.story-badges .badge {
    font-size: 0.65rem;
    /* Optimize for virtual rendering */
    contain: layout style;
}

/* Layout optimizations for story cards */
.story-card .d-flex.justify-content-between.align-items-start {
    /* Optimize for virtual rendering */
    contain: layout style;
}

.story-card .flex-grow-1 {
    min-width: 0; /* Allow flex item to shrink */
    /* Optimize for virtual rendering */
    contain: layout style;
}

.story-card .d-flex.justify-content-between.align-items-center {
    /* Optimize for virtual rendering */
    contain: layout style;
}

/* Story state optimizations */
.story-state {
    display: flex;
    align-items: center;
    gap: 4px;
    /* Optimize for virtual rendering */
    contain: layout style;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .story-card {
        padding: 10px;
        margin-bottom: 10px;
        /* Optimize for mobile virtual rendering */
        contain: layout style paint;
    }

    .story-card-lightweight {
        padding: 6px;
        /* Optimize for mobile performance */
        contain: layout style paint;
    }

    .story-title {
        font-size: 0.85rem;
    }

    .story-description {
        font-size: 0.75rem;
        max-height: 2.8em; /* 3 lines max on mobile */
    }

    .story-actions .btn {
        padding: 0.2rem 0.4rem;
        font-size: 0.7rem;
    }

    .story-actions .badge {
        font-size: 0.65rem;
        max-width: 100px;
    }

    @media (max-width: 480px) {
        .story-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .story-actions .btn {
            padding: 0.3rem 0.5rem;
            font-size: 0.75rem;
        }
    }
}

/* Optimized animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px) translateZ(0);
    }
    to {
        opacity: 1;
        transform: translateY(0) translateZ(0);
    }
}

.story-card.new-story {
    animation: slideIn 0.3s ease-out;
}

/* Drag and drop optimizations */
.sortable-chosen {
    transform: rotate(2deg) translateZ(0);
    /* Optimize for virtual rendering */
    contain: layout style paint;
}

.sortable-drag {
    opacity: 0.8;
    transform: rotate(5deg) translateZ(0);
    /* Optimize for virtual rendering */
    contain: layout style paint;
}

.card-body.drag-over {
    background-color: rgba(0, 123, 255, 0.1);
    border: 2px dashed #007bff;
    /* Optimize for virtual rendering */
    contain: layout style paint;
}

/* Priority indicators with optimizations */
.story-card[data-priority="high"] {
    border-left: 4px solid #dc3545;
}

.story-card[data-priority="medium"] {
    border-left: 4px solid #ffc107;
}

.story-card[data-priority="low"] {
    border-left: 4px solid #28a745;
}

/* Loading spinner optimizations */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    /* Optimize for virtual rendering */
    contain: layout style paint;
}

@keyframes spin {
    0% { transform: rotate(0deg) translateZ(0); }
    100% { transform: rotate(360deg) translateZ(0); }
}

/* Button group optimizations */
.btn-group .btn {
    border-radius: 0;
    /* Optimize for virtual rendering */
    contain: layout style;
}

.btn-group .btn:first-child {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}

.btn-group .btn:last-child {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

/* Search input optimizations */
#story-search {
    border-radius: 20px;
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    /* Optimize for virtual rendering */
    contain: layout style;
}

#story-search:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Modal optimizations */
.modal-header {
    border-bottom: 1px solid #dee2e6;
    /* Optimize for virtual rendering */
    contain: layout style;
}

.modal-title {
    font-weight: 600;
    color: #333;
    /* Optimize for virtual rendering */
    contain: layout style;
}

/* Card hover optimizations */
.card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transform: translateY(-2px) translateZ(0);
    transition: all 0.3s ease;
}

/* Text truncation optimizations */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    /* Optimize for virtual rendering */
    contain: layout style;
}

/* Cursor optimizations */
.cursor-pointer {
    cursor: pointer;
}

.cursor-grab {
    cursor: grab;
}

.cursor-grabbing {
    cursor: grabbing;
}

/* Reduced motion support for accessibility */
@media (prefers-reduced-motion: reduce) {
    .story-card,
    .story-card-virtual,
    .story-card-lightweight {
        transition: none;
        animation: none;
    }

    .story-actions .btn:hover {
        transform: none;
    }

    .card-body {
        scroll-behavior: auto;
    }

    .virtual-scroll-container {
        scroll-behavior: auto;
    }

    .project-filter:hover {
        transform: none;
    }

    .card:hover {
        transform: none;
        transition: none;
    }
}

/* High-DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .story-card {
        /* Ensure crisp rendering on high DPI displays */
        transform-origin: 0 0;
        /* Optimize for retina displays */
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }

    .story-card-virtual {
        /* Optimize virtual cards for high DPI */
        transform-origin: 0 0;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }

    .story-card-lightweight {
        /* Optimize lightweight cards for high DPI */
        transform-origin: 0 0;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }

    /* Optimize badges and buttons for high DPI */
    .badge,
    .btn {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Additional reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .story-card,
    .story-card-virtual,
    .story-card-lightweight {
        transition: none;
        animation: none;
    }

    .story-actions .btn:hover {
        transform: none;
    }

    .project-filter:hover {
        transform: none;
    }

    .card:hover {
        transform: none;
        transition: none;
    }
}

/* Mobile optimizations with virtual scroll considerations */
@media (max-width: 768px) {
    .story-card {
        padding: 10px;
        margin-bottom: 10px;
        /* Optimize for mobile virtual rendering */
        contain: layout style paint;
    }

    .story-card-lightweight {
        padding: 6px;
        /* Optimize for mobile performance */
        contain: layout style paint;
    }

    .story-title {
        font-size: 0.85rem;
    }

    .story-description {
        font-size: 0.75rem;
        max-height: 2.8em; /* 3 lines max on mobile */
    }

    .story-actions .btn {
        padding: 0.2rem 0.4rem;
        font-size: 0.7rem;
    }

    .story-actions .badge {
        font-size: 0.65rem;
        max-width: 100px;
    }

    @media (max-width: 480px) {
        .story-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .story-actions .btn {
            padding: 0.3rem 0.5rem;
            font-size: 0.75rem;
        }
    }
}