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var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:.95rem;transition:border-color var(--transition);outline:none}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6b4f2a1a}.form-textarea{resize:vertical;min-height:80px}.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.hint{font-size:.85rem;color:var(--text-muted);margin-bottom:12px}.steps{display:flex;align-items:center;margin-bottom:28px;flex-wrap:wrap;gap:4px}.step{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--text-muted);padding:6px 14px;border-radius:20px;border:1.5px solid var(--border);background:var(--bg-card)}.step.active{color:var(--primary);border-color:var(--primary);font-weight:600}.step.done{color:#16a34a;border-color:#16a34a}.step-num{width:22px;height:22px;border-radius:50%;background:var(--border);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}.step.active .step-num{background:var(--primary);color:#fff}.step.done .step-num{background:#16a34a;color:#fff}.step-line{flex:1;min-width:20px;height:2px;background:var(--border);display:none}@media(min-width:480px){.step-line{display:block}}.step-content{display:none}.step-content.active{display:block}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px 20px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary);background:#6b4f2a0a}.upload-icon{font-size:2.5rem;margin-bottom:8px}.upload-zone p{color:var(--text-muted);font-size:.9rem}.song-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.song-card{background:var(--bg-card);border-radius:var(--radius);padding:16px;border:1px solid var(--border);box-shadow:var(--shadow);display:flex;gap:16px;align-items:flex-start}.song-card-cover{width:56px;height:56px;border-radius:var(--radius-sm);background:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.song-card-cover img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-sm)}.song-card-body{flex:1;min-width:0}.song-card-title{font-weight:700;font-size:.95rem;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-card-artist{font-size:.82rem;color:var(--text-muted);margin-bottom:8px}.song-card-tags{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:.75rem;padding:2px 8px;border-radius:10px;background:#6b4f2a1a;color:var(--primary)}.song-card-actions{display:flex;gap:6px;margin-top:10px}.album-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.pagination{display:flex;gap:8px;justify-content:center;padding:24px 0;flex-wrap:wrap}.page-btn{padding:6px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--bg-card);color:var(--text);cursor:pointer;font-size:.88rem;transition:all var(--transition)}.page-btn:hover{border-color:var(--primary);color:var(--primary)}.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.audio-section{margin-bottom:28px}.audio-section h3{font-size:1rem;font-weight:700;margin-bottom:14px;color:var(--text)}.parts-container{display:flex;flex-direction:column;gap:10px}.part-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px}.part-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.part-label{font-size:.88rem;font-weight:600;color:var(--text)}.part-status{font-size:.8rem;color:#16a34a}.part-upload{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.file-name{font-size:.82rem;color:var(--text-muted)}.sheet-preview{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.sheet-thumb{width:80px;height:80px;border-radius:var(--radius-sm);object-fit:cover;border:1.5px solid var(--border);cursor:pointer;transition:border-color var(--transition)}.sheet-thumb:hover{border-color:var(--primary)}.album-cover-upload{border:2px dashed var(--border);border-radius:var(--radius);cursor:pointer;overflow:hidden;transition:border-color var(--transition);max-width:240px}.album-cover-upload:hover{border-color:var(--primary)}.album-cover-preview{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text-muted);font-size:.88rem;padding:20px}.album-cover-preview img{width:100%;height:100%;object-fit:cover}.album-song-picker{display:flex;flex-direction:column;gap:10px}.album-song-candidates{border:1.5px solid var(--border);border-radius:var(--radius-sm);max-height:180px;overflow-y:auto;background:var(--bg)}.candidate-item{padding:9px 14px;cursor:pointer;font-size:.9rem;border-bottom:1px solid var(--border);transition:background var(--transition);display:flex;justify-content:space-between;align-items:center}.candidate-item:hover{background:#6b4f2a0f}.candidate-item:last-child{border-bottom:none}.album-selected-songs{display:flex;flex-wrap:wrap;gap:8px}.selected-song-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:var(--primary);color:#fff;border-radius:20px;font-size:.82rem}.chip-remove{background:none;border:none;color:#ffffffb3;cursor:pointer;font-size:.85rem;padding:0;line-height:1}.chip-remove:hover{color:#fff}.file-list{display:flex;flex-direction:column;gap:8px}.file-row{display:flex;align-items:center;gap:14px;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm)}.file-icon{font-size:1.4rem;flex-shrink:0}.file-row-info{flex:1;min-width:0}.file-row-name{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-row-meta{font-size:.8rem;color:var(--text-muted)}.file-row-actions{display:flex;gap:6px;flex-shrink:0}#toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;border-radius:var(--radius-sm);font-size:.9rem;box-shadow:var(--shadow-lg);animation:slideIn .25s ease;max-width:320px}.toast-success{background:#16a34a;color:#fff}.toast-error{background:#dc2626;color:#fff}.toast-info{background:var(--primary);color:#fff}@keyframes slideIn{0%{transform:translate(80px);opacity:0}to{transform:translate(0);opacity:1}}.overlay{position:fixed;inset:0;background:#0000008c;z-index:1000;display:flex;align-items:center;justify-content:center}.overlay.hidden{display:none}.overlay-content{background:var(--bg-card);border-radius:var(--radius);padding:36px;text-align:center;min-width:280px;box-shadow:var(--shadow-lg)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin-top:14px}.progress-fill{height:100%;background:var(--primary);border-radius:3px;transition:width .2s ease;width:0%}.done-card{text-align:center;padding:48px 32px}.done-icon{font-size:3.5rem;margin-bottom:16px}.done-card h3{font-size:1.5rem;font-weight:800;margin-bottom:8px;color:#16a34a}.done-card p{color:var(--text-muted);margin-bottom:24px}.loading{text-align:center;padding:48px;color:var(--text-muted);font-size:.95rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--bg-card);border-radius:var(--radius);padding:20px;border:1px solid var(--border);box-shadow:var(--shadow);text-align:center}.stat-icon{font-size:2rem;margin-bottom:8px}.stat-value{font-size:2rem;font-weight:800;color:var(--primary)}.stat-label{font-size:.85rem;color:var(--text-muted);margin-top:4px}.text-center{text-align:center}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.flex{display:flex}.gap-2{gap:8px}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}.w-full{width:100%}