:root{--bg: #0d1117;--bg-card: #161b22;--bg-hover: #1c2128;--bg-input: #0d1117;--border: #30363d;--border-hover: #484f58;--text: #e6edf3;--text-muted: #7d8590;--text-dim: #484f58;--accent: #58a6ff;--accent-hover: #79b8ff;--accent-bg: rgba(88, 166, 255, .1);--success: #3fb950;--success-bg: rgba(63, 185, 80, .1);--warning: #d29922;--warning-bg: rgba(210, 153, 34, .1);--error: #f85149;--error-bg: rgba(248, 81, 73, .1);--radius: 10px;--radius-sm: 6px;--shadow: 0 2px 8px rgba(0, 0, 0, .3);--transition: .2s ease;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace}@media (prefers-color-scheme: light){:root{--bg: #f6f8fa;--bg-card: #ffffff;--bg-hover: #f3f4f6;--bg-input: #f6f8fa;--border: #d0d7de;--border-hover: #afb8c1;--text: #1f2328;--text-muted: #656d76;--text-dim: #8c959f;--accent: #0969da;--accent-hover: #218bff;--accent-bg: rgba(9, 105, 218, .08);--shadow: 0 1px 3px rgba(0, 0, 0, .08)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{max-width:920px;margin:0 auto;padding:24px 16px 48px}.app-header{text-align:center;margin-bottom:24px}.app-header h1{font-size:22px;font-weight:600;letter-spacing:-.3px}.app-header p{font-size:13px;color:var(--text-muted);margin-top:4px}.title-tag{font-size:14px;font-weight:400;color:var(--text-muted)}.app-footer{text-align:center;padding:16px 0 8px;margin-top:20px;border-top:1px solid var(--border)}.app-footer span{font-size:12px;color:var(--text-muted)}.tabs{display:flex;gap:4px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:4px;margin-bottom:20px}.tab{flex:1;padding:10px 16px;border:none;background:transparent;color:var(--text-muted);font-size:14px;font-weight:500;font-family:var(--font);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}.tab:hover{color:var(--text);background:var(--bg-hover)}.tab.active{color:var(--accent);background:var(--accent-bg)}.dual-col{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:12px}.card-label{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:8px;display:flex;align-items:center;justify-content:space-between}.card-label .hint{font-weight:400;font-size:12px;color:var(--text-dim)}.dropzone{border:2px dashed var(--border);border-radius:var(--radius-sm);min-height:120px;cursor:pointer;transition:var(--transition);background:var(--bg-input);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px 8px;text-align:center;position:relative}.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:var(--accent-bg)}.dropzone.has-files{justify-content:flex-start;align-items:stretch;padding:8px}.dropzone-icon{font-size:28px;margin-bottom:6px;opacity:.5}.dropzone-text{font-size:14px;color:var(--text-muted)}.dropzone-text strong{color:var(--accent)}.dropzone-hint{font-size:12px;color:var(--text-dim);margin-top:4px}.thumb-grid{display:flex;flex-wrap:wrap;gap:8px;width:100%}.thumb{position:relative;width:72px;height:72px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);background:var(--bg-input);flex-shrink:0;cursor:grab;transition:var(--transition)}.thumb:hover{border-color:var(--accent);transform:scale(1.05)}.thumb.dragging{opacity:.4;cursor:grabbing}.thumb.drag-over{border-color:var(--accent);border-style:solid;transform:scale(1.08)}.thumb img{width:100%;height:100%;object-fit:cover}.thumb-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000a6;display:flex;align-items:center;justify-content:center;gap:4px;opacity:0;transition:var(--transition)}.thumb:hover .thumb-overlay{opacity:1}.thumb-btn{width:24px;height:24px;border:none;border-radius:4px;background:#ffffff26;color:#fff;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.thumb-btn:hover{background:var(--accent)}.thumb-btn.del:hover{background:var(--error)}.thumb-badge{position:absolute;top:2px;left:2px;background:#000000b3;color:#fff;font-size:10px;font-weight:700;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center}.thumb-warn{position:absolute;bottom:0;left:0;right:0;background:var(--error);color:#fff;font-size:8px;text-align:center;padding:1px 0}.thumb-single{width:100%;height:100px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);position:relative;cursor:pointer;transition:var(--transition)}.thumb-single:hover{border-color:var(--accent)}.thumb-single img{width:100%;height:100%;object-fit:cover}.thumb-single .thumb-overlay{position:absolute;top:0;right:0;bottom:0;left:0}.thumb-single .thumb-info{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,#000c);color:#fff;font-size:11px;padding:8px 8px 6px;display:flex;justify-content:space-between;align-items:center}.input-group{position:relative}.input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;font-family:var(--font);transition:var(--transition)}.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.input::placeholder{color:var(--text-dim)}.pwd-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;font-size:16px;padding:4px;line-height:1;color:var(--text-muted);transition:color .15s}.pwd-toggle:hover{color:var(--text)}.input-error{border-color:var(--error)!important;box-shadow:0 0 0 3px var(--error-bg)!important;animation:input-shake .4s ease}@keyframes input-shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.toggle-group{display:flex;gap:12px}.toggle{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--text-muted)}.toggle input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:36px;height:20px;background:var(--border);border-radius:10px;position:relative;cursor:pointer;transition:var(--transition)}.toggle input:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--text);border-radius:50%;transition:var(--transition)}.toggle input:checked{background:var(--accent)}.toggle input:checked:after{left:18px}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 20px;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;font-family:var(--font);cursor:pointer;transition:var(--transition)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{background:var(--bg-hover);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-download{background:var(--success-bg);color:var(--success);border:1px solid var(--success)}.btn-download:hover{background:var(--success);color:#fff}.progress{display:none;margin-top:12px}.progress.active{display:block}.progress-bar{height:4px;background:var(--border);border-radius:2px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:2px;width:0%;transition:width .3s ease}.progress-text{font-size:12px;color:var(--text-muted);margin-top:6px;text-align:center}.result{display:none;margin-top:12px}.result.active{display:block}.result-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.result-card.success{border-color:var(--success)}.result-card.error{border-color:var(--error)}.result-title{font-size:14px;font-weight:600;margin-bottom:8px}.result-card.success .result-title{color:var(--success)}.result-card.error .result-title{color:var(--error)}.file-index-badge{display:inline-block;background:var(--accent);color:#fff;border-radius:4px;padding:1px 6px;font-size:11px;font-weight:700;margin-right:6px;vertical-align:middle}.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:6px 16px;margin:10px 0;font-size:13px}.result-stats dt{color:var(--text-muted)}.result-stats dd{font-family:var(--font-mono);font-size:12px}.result-warnings{margin-top:8px;padding:8px 12px;background:var(--warning-bg);border-radius:var(--radius-sm);font-size:12px;color:var(--warning)}.result-meta{margin-top:8px;padding:8px 12px;background:var(--bg-input);border-radius:var(--radius-sm);font-size:12px;font-family:var(--font-mono);color:var(--text-muted);line-height:1.6;word-break:break-all}.download-list{margin-top:12px;display:flex;flex-direction:column;gap:6px}.batch-item{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;margin-top:8px;display:flex;align-items:center;gap:10px}.batch-item .batch-thumb{width:40px;height:40px;border-radius:4px;overflow:hidden;border:1px solid var(--border);flex-shrink:0}.batch-item .batch-thumb img{width:100%;height:100%;object-fit:cover}.batch-item .batch-info{flex:1;min-width:0}.batch-item .batch-name{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.batch-item .batch-stats{font-size:11px;color:var(--text-dim);font-family:var(--font-mono)}.detect-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:12px;font-size:11px;font-weight:600}.detect-badge.gpe{background:var(--success-bg);color:var(--success)}.detect-badge.normal{background:var(--bg-hover);color:var(--text-muted)}.detect-badge.error{background:var(--error-bg);color:var(--error)}.diag-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;margin-top:12px;overflow:hidden}.diag-header{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#0003;border-bottom:1px solid var(--border)}.diag-title{font-size:13px;font-weight:600;color:var(--text);flex:1}.diag-btn{padding:4px 10px;font-size:12px;background:transparent;border:1px solid var(--border);border-radius:4px;color:var(--text-muted);cursor:pointer;transition:all .15s}.diag-btn:hover{border-color:var(--accent);color:var(--accent)}.diag-body{max-height:300px;overflow-y:auto;padding:8px 12px;font-family:Consolas,Monaco,Courier New,monospace;font-size:11px;line-height:1.6}.diag-row{padding:2px 0;border-bottom:1px solid rgba(255,255,255,.03);word-break:break-all}.diag-time{color:#666;margin-right:4px}.diag-cat{color:#888;margin-right:4px}.diag-data{color:#569cd6}.diag-debug{color:#888}.diag-info{color:#4caf50}.diag-warn{color:#ff9800}.diag-error{color:#f44336;font-weight:500}.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;margin-top:12px}.preview-item{border:1px solid var(--border);border-radius:8px;overflow:hidden;cursor:pointer;transition:transform .15s,border-color .15s}.preview-item:hover{transform:translateY(-2px);border-color:var(--accent)}.preview-item img{width:100%;height:120px;object-fit:cover;display:block}.preview-item-info{padding:6px 8px;font-size:11px;color:var(--text-muted)}.preview-item-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-item-size{margin-top:2px}.download-all-btn{margin-top:12px;padding:8px 16px;background:var(--accent);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:13px;transition:opacity .15s}.download-all-btn:hover{opacity:.9}.download-all-btn:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 640px){.app{padding:8px;padding-bottom:env(safe-area-inset-bottom,8px)}.app-header h1{font-size:18px}.title-tag{font-size:12px}.dual-col{flex-direction:column;gap:8px}.card{padding:10px}.card-label{font-size:13px}.dropzone{padding:16px 8px;min-height:80px}.dropzone-icon{font-size:28px}.dropzone-text{font-size:13px}.dropzone-hint{font-size:11px}.btn{padding:14px 16px;font-size:14px;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.btn-download{padding:10px 14px}.input{padding:10px 12px;font-size:16px}.pwd-toggle{font-size:18px;padding:6px}.tab{padding:10px 16px;font-size:14px}.thumb{width:56px;height:56px}.thumb-btn{width:28px;height:28px;font-size:14px}.result-stats{grid-template-columns:1fr}.result-title{font-size:14px}.result-meta{font-size:12px}.diag-body{max-height:200px;font-size:10px}.progress-text{font-size:12px}.app-footer span{font-size:11px}.preview-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px}.preview-item img{height:100px}.preview-item-info{padding:4px 6px;font-size:10px}.download-all-btn{padding:10px 16px;font-size:14px;width:100%}.download-list{gap:8px}.btn,.tab,.thumb,.preview-item,.pwd-toggle{-webkit-user-select:none;user-select:none}}@media (max-width: 380px){.app{padding:4px}.app-header h1{font-size:16px}.preview-grid{grid-template-columns:repeat(2,1fr)}.thumb{width:48px;height:48px}}.checkbox-row{display:flex;align-items:center;gap:8px}.checkbox-row input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--accent)}#enc-qr-options select{background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.85em;cursor:pointer}#enc-qr-options select:focus{border-color:var(--accent);outline:none}.result-card[style*="border-color:var(--warning)"]{border-left:3px solid var(--warning)}.qr-recovery-info{font-size:.82em;color:var(--text-muted);line-height:1.5;padding:8px 12px;background:var(--warning-bg);border-radius:var(--radius-sm);margin-top:8px}@media (max-width: 600px){#enc-qr-options{font-size:14px}#enc-qr-options .input{font-size:16px}.checkbox-row{flex-wrap:wrap}}