/* Muuri Grid Styles - Overhaul v2 */

:root {
    /* Artifact Type Colors - Modern & Vibrant Palette */
    --type-text-color: #6366f1;        /* Indigo - Plain text */
    --type-markdown-color: #ef4444;    /* Red - Markdown */
    --type-html-color: #8b5cf6;        /* Purple - HTML */
    --type-code-color: #10b981;        /* Emerald - Code */
    --type-image-color: #ec4899;       /* Pink - Images */
    --type-audio-color: #f59e0b;       /* Amber - Audio */
    --type-video-color: #a855f7;       /* Purple - Video */
    --type-file-color: #f97316;        /* Orange - Files */
    --type-email-color: #3b82f6;       /* Blue - Email */
    --type-drive-color: #22c55e;       /* Green - Drive */
    --type-calendar-color: #06b6d4;    /* Cyan - Calendar */
    --type-pdf-color: #dc2626;         /* Deep Red - PDF */
    --type-spreadsheet-color: #059669; /* Teal - Spreadsheet */
    --type-presentation-color: #ea580c; /* Deep Orange - Presentation */
}

.grid {
    position: relative;
    width: 100%;
    min-height: 200px; 
}

/* Base Item */
.grid-item {
    position: absolute;
    width: 300px; /* Base width (Small) */
    max-width: calc(100% - 20px);
    margin: 10px;
    z-index: 1;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.grid-item.muuri-item-dragging { z-index: 100; cursor: move; }
.grid-item.muuri-item-releasing { z-index: 99; }
.grid-item.muuri-item-hidden { z-index: 0; }

/* Sizing Classes */
.grid-item.size-icon { width: 140px; height: 140px; } /* Tiny for Files/Images */
.grid-item.size-small { width: 300px; } /* Standard Small */
.grid-item.size-medium { width: 620px; } /* 2x + margin */
.grid-item.size-expanded { width: 940px; } /* 3x + margin (Large) */

/* Content Container */


/* Content Container */
.grid-item-content {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.grid-item-content:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
    border-color: var(--border-color-hover);
}

/* --- Type Specific Styling --- */

/* Header Styling */
.grid-item-header {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color-subtle);
    background-color: var(--bg-surface-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary); /* Increased contrast */
    height: 40px;
}

.grid-item-type-icon {
    margin-right: 8px;
    font-size: 1rem;
}

/* Asset Count Badge (Visible in Small Mode) */
.asset-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-surface-tertiary);
    color: var(--text-secondary); /* Increased contrast */
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.7rem;
    margin-left: auto;
    margin-right: 8px;
}

.grid-item.size-expanded .asset-count-badge {
    display: none;
}

/* Color Coding Borders */
.grid-item[data-type='Text'] .grid-item-content { border-top: 3px solid var(--type-text-color); }
.grid-item[data-type='Markdown'] .grid-item-content { border-top: 3px solid var(--type-markdown-color); }
.grid-item[data-type='Html'] .grid-item-content { border-top: 3px solid var(--type-html-color); }
.grid-item[data-type='Code'] .grid-item-content { border-top: 3px solid var(--type-code-color); }
.grid-item[data-type='Image'] .grid-item-content { border-top: 3px solid var(--type-image-color); }
.grid-item[data-type='Audio'] .grid-item-content { border-top: 3px solid var(--type-audio-color); }
.grid-item[data-type='Video'] .grid-item-content { border-top: 3px solid var(--type-video-color); }
.grid-item[data-type='File'] .grid-item-content { border-top: 3px solid var(--type-file-color); }
.grid-item[data-type='Email'] .grid-item-content { border-top: 3px solid var(--type-email-color); }
.grid-item[data-type='Drive'] .grid-item-content { border-top: 3px solid var(--type-drive-color); }
.grid-item[data-type='Calendar'] .grid-item-content { border-top: 3px solid var(--type-calendar-color); }
.grid-item[data-type='Pdf'] .grid-item-content { border-top: 3px solid var(--type-pdf-color); }
.grid-item[data-type='Spreadsheet'] .grid-item-content { border-top: 3px solid var(--type-spreadsheet-color); }
.grid-item[data-type='Presentation'] .grid-item-content { border-top: 3px solid var(--type-presentation-color); }

/* Body Styling */
.grid-item-body {
    padding: 12px;
    flex-grow: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
    overflow-y: auto;
    scrollbar-width: thin;
}

/* Small/Icon Mode Body Styling */
.grid-item:not(.size-expanded) .grid-item-body {
    max-height: 120px; /* Limit height */
    overflow: hidden; /* Hide scrollbar */
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

/* Icon Mode Specifics */
.grid-item.size-icon .grid-item-header,
.grid-item.size-icon .grid-item-footer,
.grid-item.size-icon .grid-item-body {
    display: none;
}

.grid-item.size-icon .grid-item-content {
    border: none;
    background: transparent;
    align-items: center;
    justify-content: center;
}

/* Expanded Modes Body Styling */
.grid-item.size-expanded .grid-item-body {
    height: 600px;
}

/* Footer Styling */
.grid-item-footer {
    padding: 8px 12px;
    border-top: 1px solid var(--border-color-subtle);
    background-color: var(--bg-surface-tertiary);
    font-size: 0.75rem;
    color: var(--text-secondary); /* Increased contrast */
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 36px;
}

/* --- Specific Templates --- */

/* Image & File (Visual Tiles) */
.grid-item.visual-tile .grid-item-content {
    border: none;
    background: #000;
}

.grid-item.visual-tile .grid-item-header,
.grid-item.visual-tile .grid-item-footer {
    display: none; /* Hidden by default for visual tiles */
}

/* Image Specific */
.grid-item.type-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* File Specific */
.grid-item.type-file .file-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-surface-secondary);
    color: var(--text-muted);
    position: relative;
}

.grid-item.type-file .file-preview i {
    font-size: 4rem;
    opacity: 0.5;
}

/* Overlays for Visual Tiles */
.tile-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 20px 10px 10px;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.grid-item:hover .tile-overlay {
    opacity: 1;
}

.tile-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: auto;
}

.grid-item:hover .tile-actions {
    opacity: 1;
}

/* Email Specific */
.email-header {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--border-color-subtle);
}
.email-subject { font-weight: bold; display: block; margin-bottom: 4px; }
.email-meta { font-size: 0.8rem; color: var(--text-muted); }

/* Code Specific */
.grid-item.type-code .grid-item-body {
    font-family: 'Fira Code', monospace;
    background-color: var(--code-bg);
    color: var(--code-color);
    padding: 0;
}
.grid-item.type-code pre { margin: 0; padding: 12px; }

/* Related Assets Section */
.related-assets-section {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color-subtle);
    display: none;
}

.grid-item.size-expanded .related-assets-section {
    display: block;
}

.related-asset-chip {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    background: var(--bg-surface-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    margin-right: 4px;
    margin-bottom: 4px;
    color: var(--text-primary);
    text-decoration: none;
}
.related-asset-chip:hover {
    background: var(--bg-surface-secondary);
}

/* Editor Modal Overrides */
.artifact-editor-modal .modal-body {
    padding: 0;
}


/* Resize Handle - Only visible on expanded tiles */
.resize-handle {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 10px;
    cursor: ns-resize;
    z-index: 10;
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    touch-action: none; /* Prevent browser scrolling/gestures */
}

/* Show resize handle only on expanded tiles */
.grid-item.size-expanded .resize-handle {
    display: flex;
}

.resize-handle::after {
    content: '';
    width: 30px;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.2s, background-color 0.2s;
}

.grid-item.size-expanded .grid-item-content:hover .resize-handle::after {
    opacity: 0.5;
}

.resize-handle:hover::after {
    opacity: 1;
    background-color: var(--primary-color);
}

/* Type-Specific Icon Colors - Modern & Vibrant Palette */
.grid-item[data-type='Email'] .bi,
[data-type='Email'] .bi {
    color: var(--type-email-color);
}

.grid-item[data-type='Text'] .bi,
[data-type='Text'] .bi {
    color: var(--type-text-color);
}

.grid-item[data-type='Markdown'] .bi,
[data-type='Markdown'] .bi {
    color: var(--type-markdown-color);
}

.grid-item[data-type='Html'] .bi,
[data-type='Html'] .bi {
    color: var(--type-html-color);
}

.grid-item[data-type='Code'] .bi,
[data-type='Code'] .bi {
    color: var(--type-code-color);
}

.grid-item[data-type='Image'] .bi,
[data-type='Image'] .bi {
    color: var(--type-image-color);
}

.grid-item[data-type='Audio'] .bi,
[data-type='Audio'] .bi {
    color: var(--type-audio-color);
}

.grid-item[data-type='Video'] .bi,
[data-type='Video'] .bi {
    color: var(--type-video-color);
}

.grid-item[data-type='File'] .bi,
[data-type='File'] .bi {
    color: var(--type-file-color);
}

.grid-item[data-type='Drive'] .bi,
.grid-item[data-type='DriveFile'] .bi,
[data-type='Drive'] .bi,
[data-type='DriveFile'] .bi {
    color: var(--type-drive-color);
}

.grid-item[data-type='Calendar'] .bi,
.grid-item[data-type='CalendarEvent'] .bi,
[data-type='Calendar'] .bi,
[data-type='CalendarEvent'] .bi {
    color: var(--type-calendar-color);
}

.grid-item[data-type='Pdf'] .bi,
[data-type='Pdf'] .bi {
    color: var(--type-pdf-color);
}

.grid-item[data-type='Spreadsheet'] .bi,
[data-type='Spreadsheet'] .bi {
    color: var(--type-spreadsheet-color);
}

.grid-item[data-type='Presentation'] .bi,
[data-type='Presentation'] .bi {
    color: var(--type-presentation-color);
}

.grid-item.resizing {
    z-index: 1000 !important;
}