/* ============================================================
   preview-grid.css — 多文件预览卡片网格 + 图片模态框
   用于批量图片处理工具（images_compress, images_convert 等）
   ============================================================ */

/* --- 网格布局 --- */
.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-4);margin-top:var(--space-4)}

/* --- 卡片 --- */
.preview-item{position:relative;border:1px solid var(--border-base);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-surface);display:flex;flex-direction:column}

/* --- 缩略图区 --- */
.preview-img{width:100%;height:160px;overflow:hidden;background:var(--bg-surface-2);display:flex;align-items:center;justify-content:center}
.preview-img img{width:100%;height:100%;object-fit:contain;cursor:pointer;transition:transform .15s}
.preview-img img:hover{transform:scale(1.03)}

/* --- 信息区 --- */
.preview-info{flex:1;padding:var(--space-3);display:flex;flex-direction:column;gap:2px;font-size:var(--text-xs)}
.preview-info .fname{font-size:var(--text-sm);font-weight:600;word-break:break-all;margin-bottom:var(--space-1);color:var(--fg-strong)}
.preview-info .info-row{display:flex;justify-content:space-between;color:var(--fg-muted)}
.preview-info .info-row .cv{font-weight:600}
.preview-info .info-row .cv.good{color:var(--color-success)}
.preview-info .info-row .cv.same{color:var(--fg-muted)}
.preview-info .info-row .cv.fail{color:var(--color-danger,#ef4444)}
.preview-info .btn{margin-top:var(--space-2)}

/* --- 悬浮删除按钮（视觉基础在 sidebar.css .remove-btn） --- */
.preview-item .remove-btn{position:absolute;top:6px;right:6px;opacity:0;pointer-events:none}
.preview-item:hover .remove-btn{opacity:1;pointer-events:auto}

/* --- 全屏预览模态框 --- */
.img-modal{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .2s}
.img-modal.is-active{opacity:1;visibility:visible}
.img-modal img{max-width:90%;max-height:90%;object-fit:contain;border-radius:var(--radius-lg);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.img-modal .close-btn{position:absolute;top:20px;right:20px;width:40px;height:40px;background:rgba(255,255,255,.2);border:none;border-radius:50%;color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.img-modal .close-btn:hover{background:rgba(255,255,255,.3)}