*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563EB;--primary-dark: #1D4ED8;--bg: #F3F4F6;--card: #FFFFFF;--text: #111827;--text-muted: #6B7280;--border: #E5E7EB;--danger: #EF4444;--success: #10B981;--warn-bg: #FEE2E2;--radius: 10px}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;-webkit-tap-highlight-color:transparent}.navbar{background:var(--primary);color:#fff;display:flex;align-items:center;gap:12px;padding:0 16px;height:52px;position:sticky;top:0;z-index:100;box-shadow:0 2px 4px #0003}.navbar-title{font-size:1.1rem;font-weight:700;flex:1}.navbar-btn{background:#ffffff26;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:.9rem;padding:6px 12px;white-space:nowrap}.navbar-btn:hover{background:#ffffff40}.navbar-btn.active{background:#ffffff59}.btn{border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;padding:10px 16px;transition:opacity .15s;display:inline-flex;align-items:center;gap:6px}.btn:active{opacity:.7}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-ghost:hover{background:var(--bg)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn:disabled{opacity:.4;cursor:not-allowed}.card{background:var(--card);border-radius:var(--radius);box-shadow:0 1px 3px #00000014;overflow:hidden}.folder-list{padding:12px;display:flex;flex-direction:column;gap:8px}.folder-card{background:var(--card);border-radius:var(--radius);border:2px solid var(--border);padding:14px 16px;cursor:pointer;display:flex;align-items:center;gap:12px;transition:border-color .15s,box-shadow .15s;-webkit-user-select:none}.folder-card:hover{border-color:var(--primary);box-shadow:0 2px 8px #2563eb26}.folder-card.selected{border-color:var(--primary);background:#eff6ff}.folder-card-info{flex:1;min-width:0}.folder-card-name{font-weight:600;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.folder-card-meta{font-size:.8rem;color:var(--text-muted);margin-top:2px}.folder-card-actions{display:flex;gap:6px;flex-shrink:0}.icon-btn{background:none;border:none;cursor:pointer;font-size:1.1rem;padding:4px 6px;border-radius:6px;line-height:1;color:var(--text-muted);transition:color .1s,background .1s}.icon-btn:hover{color:var(--text);background:var(--bg)}.icon-btn.danger:hover{color:var(--danger);background:#fee2e2}.list-header{display:flex;align-items:center;gap:8px;padding:12px 12px 4px}.list-header h2{flex:1;font-size:1rem;color:var(--text-muted);font-weight:600}.share-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#dbeafe;border-radius:8px;margin:0 12px 8px;font-size:.85rem}.share-bar span{flex:1;color:var(--primary-dark);font-weight:600}.photo-grid-wrap{padding:12px}.photo-grid-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}.photo-grid-header h2{flex:1;font-size:1.1rem;font-weight:700;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:4px}.photo-thumb{position:relative;aspect-ratio:1;overflow:hidden;border-radius:6px;background:var(--border);cursor:pointer}.photo-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:opacity .2s}.photo-thumb:hover img{opacity:.85}.photo-delete-btn{position:absolute;top:4px;right:4px;background:#0000008c;border:none;border-radius:50%;color:#fff;cursor:pointer;font-size:.85rem;width:28px;height:28px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}.photo-thumb:hover .photo-delete-btn{opacity:1}.photo-thumb:hover .photo-delete-btn:hover{background:var(--danger)}.photo-empty{padding:40px;text-align:center;color:var(--text-muted)}.upload-wrap{max-width:640px;margin:0 auto;padding:16px}.upload-section{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:16px;box-shadow:0 1px 3px #00000014}.upload-section h3{font-size:1rem;font-weight:700;margin-bottom:12px}.field-group{display:flex;flex-direction:column;gap:8px}.field-row{display:flex;gap:8px;align-items:flex-end}select,input[type=text]{border:1.5px solid var(--border);border-radius:8px;font-size:1rem;padding:10px 12px;width:100%;background:var(--card);color:var(--text);-webkit-appearance:none}select:focus,input[type=text]:focus{outline:none;border-color:var(--primary)}.file-drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:28px 16px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;color:var(--text-muted)}.file-drop-zone:hover,.file-drop-zone.drag-over{border-color:var(--primary);background:#eff6ff;color:var(--primary)}.file-drop-zone.uploading{opacity:.6;cursor:not-allowed}.file-drop-zone input{display:none}.file-count{font-size:.85rem;color:var(--text-muted);margin-top:8px}.photo-thumb.photo-selected{outline:3px solid var(--primary);outline-offset:-3px}.photo-check-badge{position:absolute;top:5px;left:5px;width:24px;height:24px;border-radius:50%;background:#ffffffd9;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;color:var(--primary);pointer-events:none}.photo-check-badge.checked{background:var(--primary);border-color:var(--primary);color:#fff}.progress-bar-wrap{margin-top:12px}.progress-bar-track{background:var(--border);border-radius:99px;height:8px;overflow:hidden}.progress-bar-fill{background:var(--primary);height:100%;border-radius:99px;transition:width .2s}.progress-label{font-size:.85rem;color:var(--text-muted);margin-top:4px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#111;color:#fff;border-radius:99px;padding:12px 24px;font-size:.9rem;font-weight:600;z-index:999;white-space:nowrap;box-shadow:0 4px 16px #0000004d}.toast.success{background:var(--success)}.toast.error{background:var(--danger)}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000eb;z-index:200;display:flex;align-items:center;justify-content:center}.lightbox-img{max-width:100%;max-height:100dvh;object-fit:contain}.lightbox-close{position:absolute;top:12px;right:12px;background:#ffffff26;border:none;border-radius:50%;color:#fff;cursor:pointer;font-size:1.4rem;width:44px;height:44px;display:flex;align-items:center;justify-content:center}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);background:#ffffff26;border:none;border-radius:50%;color:#fff;cursor:pointer;font-size:1.5rem;width:48px;height:48px;display:flex;align-items:center;justify-content:center}.lightbox-nav.prev{left:12px}.lightbox-nav.next{right:12px}.lightbox-counter{position:absolute;bottom:16px;left:50%;transform:translate(-50%);color:#ffffffb3;font-size:.85rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:300;display:flex;align-items:center;justify-content:center;padding:16px}.modal{background:var(--card);border-radius:var(--radius);padding:24px;width:100%;max-width:400px;box-shadow:0 20px 60px #0000004d}.modal h3{font-size:1.1rem;margin-bottom:16px}.modal-actions{display:flex;gap:8px;margin-top:16px;justify-content:flex-end}.two-pane{display:flex;height:calc(100dvh - 52px);overflow:hidden}.pane-left{width:300px;flex-shrink:0;border-right:1px solid var(--border);overflow-y:auto;background:var(--bg)}.pane-right{flex:1;overflow-y:auto;background:var(--bg)}.pane-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);gap:12px;font-size:1rem}.work-guide{margin-bottom:16px}.work-guide-toggle{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:12px 16px;font-size:1rem;font-weight:700;display:flex;align-items:center;gap:8px;color:var(--text);background:var(--card);border-radius:var(--radius);box-shadow:0 1px 3px #00000014}.work-guide-body{background:var(--card);border-radius:0 0 var(--radius) var(--radius);overflow-x:auto}.work-guide table{width:100%;border-collapse:collapse;font-size:.85rem}.work-guide th{background:#f9fafb;font-weight:700;padding:8px 10px;border-bottom:2px solid var(--border);text-align:left;white-space:nowrap}.work-guide td{padding:8px 10px;border-bottom:1px solid var(--border)}.work-guide tr:last-child td{border-bottom:none}.work-guide .row-warn{background:var(--warn-bg)}.checkbox-wrap{display:flex;align-items:center;gap:8px;cursor:pointer}.checkbox-wrap input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--primary)}.error-msg{color:var(--danger);font-size:.85rem;padding:8px;background:var(--warn-bg);border-radius:6px}.divider{height:1px;background:var(--border);margin:8px 0}.back-btn{display:flex;align-items:center;gap:6px;background:none;border:none;cursor:pointer;font-size:.95rem;color:var(--primary);font-weight:600;padding:8px 0}@media (max-width: 767px){.two-pane{display:none}.photo-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width: 768px){.mobile-only{display:none!important}.photo-thumb:hover .photo-delete-btn{opacity:1}}