:root{--primary: #4f46e5;--primary-hover: #4338ca;--primary-light: #eef2ff;--success: #059669;--success-hover: #047857;--danger: #dc2626;--danger-hover: #b91c1c;--warning: #d97706;--bg: #f1f5f9;--card-bg: #ffffff;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}.app{max-width:1400px;margin:0 auto;padding:24px 20px 60px}.app-header{text-align:center;margin-bottom:32px}.app-header h1{font-size:2rem;font-weight:700;color:var(--text);margin-bottom:8px}.subtitle{color:var(--text-secondary);font-size:.95rem}.upload-section{margin-bottom:24px}.upload-area{border:2px dashed var(--border);border-radius:var(--radius);padding:48px 24px;text-align:center;cursor:pointer;transition:all .3s ease;background:var(--card-bg)}.upload-area:hover{border-color:var(--primary);background:var(--primary-light)}.upload-area.dragging{border-color:var(--primary);background:var(--primary-light);transform:scale(1.01);box-shadow:var(--shadow-lg)}.upload-area.disabled{opacity:.6;cursor:not-allowed}.upload-icon{color:var(--primary);margin-bottom:12px}.upload-text{font-size:1.1rem;font-weight:500;color:var(--text);margin-bottom:6px}.upload-hint{font-size:.85rem;color:var(--text-secondary)}.toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:16px 20px;background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:24px}.toolbar-left{display:flex;align-items:center;gap:12px}.toolbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.image-count{font-size:.9rem;color:var(--text-secondary)}.done-count{color:var(--success);font-weight:500}.error-count{color:var(--danger);font-weight:500}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:var(--shadow-md)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:var(--success-hover);box-shadow:var(--shadow-md)}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-bottom:32px}.image-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:all .3s ease;position:relative}.image-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.image-card.status-error{border:1px solid #fecaca}.image-card.status-done{border:1px solid #a7f3d0}.card-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}.file-name{font-size:.85rem;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;margin-right:8px}.btn-remove{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:1rem;padding:4px 8px;border-radius:4px;transition:all .2s;line-height:1}.btn-remove:hover{background:#fee2e2;color:var(--danger)}.image-preview{position:relative;width:100%;height:220px;background:#f8fafc;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-preview img{max-width:100%;max-height:100%;object-fit:contain}.processing-overlay,.error-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:#ffffffd9;z-index:2;font-size:.9rem;color:var(--text-secondary)}.error-overlay{background:#fee2e2e6;color:var(--danger)}.error-icon{font-size:1.5rem}.error-text{font-size:.8rem;max-width:80%;text-align:center;word-break:break-all}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.card-info{padding:12px 16px;border-top:1px solid var(--border)}.info-row{display:flex;align-items:center;justify-content:space-between;padding:3px 0;font-size:.8rem}.info-label{color:var(--text-secondary)}.info-value{font-weight:500;color:var(--text)}.info-value.orientation-1{color:var(--success)}.info-value.orientation-3,.info-value.orientation-6,.info-value.orientation-8{color:var(--warning)}.convert-note{color:var(--primary);font-size:.75rem}.animated-note{color:var(--warning);font-size:.75rem}.card-actions{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border)}.btn-action{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text);font-size:.8rem;cursor:pointer;transition:all .2s}.btn-action:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-action.btn-reset{margin-left:auto;border-color:var(--warning);color:var(--warning)}.btn-action.btn-reset:hover{background:#fffbeb}.status-badge{position:absolute;top:52px;right:12px;padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:600;z-index:3}.status-badge.done{background:#d1fae5;color:var(--success)}.empty-state{text-align:center;padding:48px 24px;color:var(--text-secondary)}.empty-state p{margin-bottom:8px;font-size:.95rem}.app-footer{text-align:center;padding:24px;color:var(--text-secondary);font-size:.8rem;border-top:1px solid var(--border);margin-top:40px}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.app{padding:16px 12px 40px}.app-header h1{font-size:1.5rem}.upload-area{padding:32px 16px}.toolbar{flex-direction:column;align-items:stretch}.toolbar-right{justify-content:center}.image-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}.btn{padding:8px 14px;font-size:.85rem}}@media(max-width:480px){.image-grid{grid-template-columns:1fr}}.upload-buttons{display:flex;gap:12px;justify-content:center;margin-top:18px}.btn-upload{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border:none;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-upload:disabled{opacity:.5;cursor:not-allowed}.btn-upload-file{background:var(--primary);color:#fff}.btn-upload-file:hover:not(:disabled){background:var(--primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-upload-folder{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}.btn-upload-folder:hover:not(:disabled){background:var(--primary-light);box-shadow:var(--shadow-md);transform:translateY(-1px)}.notice{padding:12px 18px;border-radius:var(--radius-sm);font-size:.88rem;margin-bottom:16px;line-height:1.5}.notice-info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.notice-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}.image-card.status-skipped{border:1px solid #a7f3d0;opacity:.82}.image-card.status-manual{border:1px solid #fde68a}.image-card.status-ready{border:1px solid #c7d2fe}.image-card.status-loading{border:1px solid var(--border)}.skipped-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:#d1fae5bf;z-index:2;font-size:.85rem;color:var(--success);font-weight:500}.status-badge.skipped{background:#d1fae5;color:var(--success)}.status-badge.manual{background:#fef3c7;color:#92400e}.status-badge.ready{background:#e0e7ff;color:var(--primary)}.skipped-count{color:var(--success);font-weight:500}.manual-count{color:var(--warning);font-weight:500}.ready-count{color:var(--primary);font-weight:500}.lazy-img-wrap{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.lazy-img-wrap img{max-width:100%;max-height:100%;object-fit:contain}.lazy-placeholder{width:100%;height:100%;min-height:120px;background:linear-gradient(110deg,#f1f5f9 8%,#e2e8f0 18%,#f1f5f9 33%);background-size:200% 100%;animation:shimmer 1.5s linear infinite}@keyframes shimmer{to{background-position-x:-200%}}.load-more-wrap{text-align:center;margin:24px 0}.btn-load-more{background:#fff;color:var(--primary);border:1.5px solid var(--primary);padding:12px 36px;font-size:.95rem}.btn-load-more:hover{background:var(--primary-light);box-shadow:var(--shadow-md)}.no-exif{color:var(--warning)}