/* ═══════════════════════════════════════════════════════════════
   FILES — Digital Rust
   ═══════════════════════════════════════════════════════════════ */

.file-upload-dialog .dialog-container { max-width: 600px; }
.file-upload-form { margin-top: var(--dr-space-sm); }

.file-upload-form input[type="file"] {
    display: block; padding: var(--dr-space-sm);
    border: 2px solid var(--dr-surface-highlight);
    border-radius: var(--dr-radius);
    background-color: var(--dr-surface-base);
    color: var(--dr-text-primary);
    margin-top: 5px;
}

.files-list {
    margin-top: var(--dr-space-sm);
    border: var(--dr-border);
    border-radius: var(--dr-radius);
    padding: var(--dr-space-sm);
}

.files-bulk-actions { margin-top: var(--dr-space-sm); display: flex; gap: var(--dr-space-sm); justify-content: flex-end; }

.file-item, .user-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: var(--dr-space-sm);
    border-bottom: var(--dr-border-subtle);
    overflow: hidden;
}

.file-item:last-child { border-bottom: none; }
.file-item:hover { background-color: var(--dr-surface-highlight); }

.file-select-checkbox { margin-right: 10px; }

.file-info { display: flex; align-items: center; flex-grow: 1; min-width: 0; overflow: hidden; }

.file-icon {
    width: 24px; height: 24px; margin-right: 10px;
    display: flex; align-items: center; justify-content: center;
    color: var(--dr-text-primary); flex-shrink: 0;
}

.file-icon svg, .file-actions button svg { fill: currentColor; }

.attachment-icon {
    width: 42px; height: 42px; margin-right: 15px;
    color: var(--dr-text-primary); padding: 8px;
    border-radius: var(--dr-radius);
}

.attachment-icon i.fa { font-size: 2.5rem; }
.attachment-icon svg { width: 100%; height: 100%; fill: currentColor; }

.file-name {
    font-weight: var(--dr-font-weight); flex-grow: 1;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    min-width: 0; margin-right: 10px; position: relative;
}

.file-name .name-text { display: block; width: 100%; }

.file-name .name-edit {
    width: 100%; padding: 5px;
    border: 2px solid var(--dr-surface-highlight);
    border-radius: var(--dr-radius);
    background-color: var(--dr-surface-base);
    color: var(--dr-text-primary);
    font-size: 0.95em;
}

.file-item.mentioned-in-doc .insert-file-btn { position: relative; }
.file-item.mentioned-in-doc .insert-file-btn:before {
    content: '\f0c1'; font-family: 'FontAwesome';
    color: var(--dr-memory-leek); font-size: 0.7em;
    position: absolute; top: 2px; right: 2px;
    width: 12px; height: 12px;
    display: flex; align-items: center; justify-content: center;
}

.file-item.mentioned-in-doc .file-name:after { display: none; }

.file-size { font-size: 0.8em; color: var(--dr-text-tertiary); margin-left: 10px; }

.file-actions { display: flex; gap: 8px; padding-left: 12px; }

.file-actions button, .file-actions .download-file-btn {
    border: none; background-color: var(--dr-surface-highlight);
    cursor: pointer; padding: 0; border-radius: var(--dr-radius-sm);
    color: var(--dr-text-tertiary);
    transition: all var(--dr-transition-fast);
    position: relative; display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; min-width: 32px; min-height: 32px;
    box-sizing: border-box; text-decoration: none; line-height: 1;
    /* Touch target: invisible hit area extends beyond visible bounds,
       meeting 44px minimum without changing file list layout. */
}

.file-actions button::before,
.file-actions .download-file-btn::before {
    content: '';
    position: absolute;
    inset: -6px;
}

.file-actions button span, .file-actions .download-file-btn span { display: none; }

.file-actions button:hover, .file-actions .download-file-btn:hover {
    background-color: var(--dr-dark-packet);
    color: var(--dr-text-primary);
    transform: translateY(-1px);
}

.file-actions button svg, .file-actions .download-file-btn i {
    width: 16px; height: 16px; flex-shrink: 0; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
}

.file-actions .copy-url-btn:hover, .file-actions .insert-file-btn:hover { color: var(--dr-accent); }
.file-actions .delete-file-btn:hover { color: var(--dr-amber-alert); }

.file-actions .insert-file-btn {
    color: var(--dr-accent);
    background-color: rgba(var(--dr-accent-rgb), 0.08);
}

.file-actions .insert-file-btn:hover { background-color: rgba(var(--dr-accent-rgb), 0.15); }

.file-actions .delete-file-btn {
    color: var(--dr-amber-alert);
    background-color: rgba(191, 87, 71, 0.08);
}

.file-actions .delete-file-btn:hover { background-color: rgba(191, 87, 71, 0.15); }

.file-actions .rename-file-btn, .file-actions .view-file-btn, .file-actions .download-file-btn {
    color: var(--dr-text-primary);
    background-color: rgba(var(--dr-bg-rgb), 0.08);
}

.file-actions .rename-file-btn:hover, .file-actions .view-file-btn:hover,
.file-actions .download-file-btn:hover {
    color: var(--dr-accent);
    background-color: rgba(var(--dr-accent-rgb), 0.15);
}

/* File Attachments Section */
.file-attachments-section {
    margin-top: var(--dr-space-xl); margin-bottom: var(--dr-space-lg);
    padding-top: var(--dr-space-lg); padding-bottom: var(--dr-space-lg);
    border-top: var(--dr-border-subtle);
    display: none;
}

.file-attachments-section h2 {
    margin-top: 0; margin-bottom: var(--dr-space-lg);
    font-size: var(--dr-text-lg);
    color: var(--dr-text-primary);
    font-family: var(--dr-font-heading);
    font-weight: var(--dr-font-weight);
    position: relative; padding-left: 34px;
    /* Override .content h2 border for this utility section */
    border-bottom: none;
    padding-bottom: 0;
}

.file-attachments-section h2:before {
    content: "\f0c6"; font-family: "FontAwesome";
    position: absolute; left: 0; top: 50%;
    transform: translateY(-50%);
    width: 24px; height: 24px; font-size: 20px;
    color: var(--dr-text-tertiary);
    display: flex; align-items: center;
}

.file-attachments-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
}

.attachment-item {
    display: flex; align-items: center; padding: var(--dr-space-md);
    border-radius: var(--dr-radius);
    background-color: var(--dr-surface-elevated);
    border: var(--dr-border);
    transition: all var(--dr-transition-fast);
    text-decoration: none; color: var(--dr-text-primary);
    box-shadow: var(--dr-shadow-offset-sm);
}

.attachment-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--dr-shadow-hover-md);
    border-color: var(--dr-accent);
    color: var(--dr-accent);
}

.attachment-item:hover .attachment-icon,
.attachment-item:hover .attachment-name,
.attachment-item:hover .attachment-size { color: var(--dr-accent); }
.attachment-item:hover svg { fill: var(--dr-accent); }

.attachment-info { flex-grow: 1; overflow: hidden; }

.attachment-name {
    font-weight: var(--dr-font-weight);
    margin-bottom: 4px; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
    color: var(--dr-text-primary); font-size: var(--dr-text-sm);
}

.attachment-size {
    font-size: var(--dr-text-xs);
    color: var(--dr-text-tertiary);
    display: inline-block; padding: 2px 8px;
    background-color: var(--dr-surface-highlight);
    border-radius: var(--dr-radius-lg); /* max 6px in DR */
}

.loading-message, .no-files-message {
    grid-column: 1 / -1; padding: 25px;
    text-align: center; color: var(--dr-text-tertiary);
    font-style: italic;
    background-color: var(--dr-surface-elevated);
    border-radius: var(--dr-radius);
}