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.name{font-weight:600;font-size:14px;color:var(--sl-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-card .meta{color:var(--sl-muted);font-size:12px;margin-top:3px;display:flex;gap:6px;align-items:center}.file-card .meta .dot-sep{opacity:.5}.file-card .body{flex:1;min-width:0}.file-card .chev{color:var(--sl-muted);font-size:12px;opacity:0;transition:opacity .12s ease}.file-card:hover .chev,.file-card[data-selected=true] .chev{opacity:1}.file-card[data-selected=true] .chev{color:var(--sl-red)}.file-icon{width:48px;height:48px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#fff;background:linear-gradient(135deg,#1b1b1b,#3a3a3a);box-shadow:inset 0 -6px 12px #00000014;transition:transform .12s ease}.file-icon.img{background:linear-gradient(135deg,#2563eb,#60a5fa)}.file-icon.pdf{background:linear-gradient(135deg,#c81927,#ef4444)}.file-icon.txt{background:linear-gradient(135deg,#6b21a8,#a855f7)}.file-icon.doc{background:linear-gradient(135deg,#1b4ed8,#3b82f6)}.file-icon.xls{background:linear-gradient(135deg,#0f766e,#10b981)}.file-icon.zip{background:linear-gradient(135deg,#52525b,#9b9ba4)}.file-icon.oth{background:linear-gradient(135deg,#18181b,#52525b)}.file-icon-sm{flex:none;width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1}.bundle-bar{margin-top:12px}.preview-panel{background:var(--sl-surface);border:1px solid var(--sl-border);border-radius:var(--radius-lg);height:70vh;min-height:520px;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-sm)}.preview-panel .ph{padding:14px 20px;border-bottom:1px solid var(--sl-border);display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fbfaf7}.preview-panel .ph .title-wrap{min-width:0;display:flex;align-items:center;gap:10px}.preview-panel .ph .title{font-weight:600;color:var(--sl-ink);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-panel .ph .meta{color:var(--sl-muted);font-size:12px;margin-top:2px}.preview-body{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:0;position:relative;background:var(--sl-surface)}.preview-body:has(img){background:repeating-conic-gradient(#f1ede4 0% 25%,#fafaf7 0% 50%) 0 0 / 16px 16px}.preview-body img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;border-radius:4px;box-shadow:0 8px 24px #0000001a}.preview-body iframe,.preview-body object{width:100%;height:100%;border:0;background:#fff}.text-preview{margin:0;padding:20px 24px;width:100%;height:100%;overflow:auto;white-space:pre-wrap;word-break:break-word;font-size:13px;line-height:1.6;font-family:SF Mono,Fira Code,Cascadia Code,Menlo,Consolas,monospace;color:var(--sl-ink);background:#fff}.preview-loading{padding:40px 24px;text-align:center;color:var(--sl-muted)}.preview-empty{text-align:center;padding:40px 24px;color:var(--sl-muted);max-width:360px}.preview-empty .big{width:56px;height:56px;border-radius:50%;background:var(--sl-surface);border:1px solid var(--sl-border-strong);margin:0 auto 14px;display:flex;align-items:center;justify-content:center;color:var(--sl-muted);font-size:24px;font-weight:600}.preview-empty strong{color:var(--sl-ink);display:block;margin-bottom:4px;font-weight:600;font-size:15px}