*{margin:0;padding:0;box-sizing:border-box}
:root{
--bg:#0f1117;--surface:#1a1d27;--surface2:#242836;--surface3:#2e3344;
--border:#363b4e;--border-hover:#4a5068;
--text:#e8eaed;--text2:#9aa0b4;--text3:#6b7185;
--primary:#4f8cff;--primary-hover:#3a7af0;--primary-bg:rgba(79,140,255,.1);
--accent:#ff6b4a;--accent-bg:rgba(255,107,74,.1);
--success:#4ade80;--warning:#fbbf24;
--danger:#f87171;--danger-bg:rgba(248,113,113,.1);
--radius:10px;--radius-sm:6px;--radius-lg:14px;
}
body{font-family:-apple-system,'Malgun Gothic',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
.app{max-width:1100px;margin:0 auto;padding:20px}

.header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;margin-bottom:24px;border-bottom:1px solid var(--border)}
.header h1{font-size:1.4rem;font-weight:700}
.header h1 span{color:var(--primary)}
.header-sub{font-size:.82rem;color:var(--text3);margin-top:2px}

.stepper{display:flex;gap:4px;margin-bottom:28px;background:var(--surface);border-radius:var(--radius-lg);padding:6px;border:1px solid var(--border)}
.step-item{flex:1;display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:var(--radius);cursor:pointer;transition:all .2s}
.step-item:hover{background:var(--surface2)}
.step-item.active{background:var(--primary-bg);border:1px solid rgba(79,140,255,.3)}
.step-item.completed .step-num{background:var(--success);color:#000}
.step-num{width:26px;height:26px;border-radius:50%;background:var(--surface3);display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600;flex-shrink:0}
.step-item.active .step-num{background:var(--primary);color:#fff}
.step-label{font-size:.8rem;font-weight:500;white-space:nowrap}
.step-item.active .step-label{color:var(--primary)}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-bottom:20px}
.card-title{font-size:1.05rem;font-weight:600;margin-bottom:4px}
.card-desc{font-size:.83rem;color:var(--text2);margin-bottom:20px}

.form-group{margin-bottom:18px}
.form-label{display:block;font-size:.83rem;font-weight:500;margin-bottom:6px;color:var(--text2)}
.form-input{width:100%;padding:10px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.9rem;font-family:inherit;transition:all .2s}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,140,255,.15)}

.btn{padding:9px 18px;border-radius:var(--radius-sm);font-size:.83rem;font-weight:500;cursor:pointer;transition:all .2s;border:1px solid transparent;font-family:inherit;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-outline{background:transparent;color:var(--text2);border-color:var(--border)}
.btn-outline:hover{background:var(--surface2);color:var(--text)}
.btn-danger-sm{background:transparent;color:var(--danger);border:1px solid var(--danger);padding:5px 10px;font-size:.75rem;border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;transition:all .2s}
.btn-danger-sm:hover{background:var(--danger-bg)}

.footer-nav{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid var(--border);margin-top:16px}

.tab-preview{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:20px;min-height:50px}
.tab-preview-label{font-size:.75rem;color:var(--text3);margin-bottom:10px}
.tab-preview-bar{display:flex;gap:0;align-items:center}
.tab-preview-item{padding:8px 16px;cursor:default;border-bottom:2px solid transparent;transition:all .2s}
.tab-preview-item.active-tab{border-bottom-color:currentColor}

.type-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.type-row{display:flex;flex-direction:column;gap:8px;padding:12px 16px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);transition:all .2s}
.type-row:hover{border-color:var(--border-hover)}
.type-row-top{display:flex;align-items:center;justify-content:space-between}
.type-row-num{font-size:.8rem;color:var(--text3);font-weight:500}
.type-row-controls{display:flex;align-items:center;gap:8px}
.type-row input[type=text]{padding:8px 12px;background:var(--surface3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.85rem;font-family:inherit;width:100%;transition:all .2s}
.type-row input[type=text]:focus{outline:none;border-color:var(--primary)}
.type-row input[type=color]{-webkit-appearance:none;width:36px;height:36px;border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:transparent;padding:2px}
.type-row input[type=color]::-webkit-color-swatch-wrapper{padding:0}
.type-row input[type=color]::-webkit-color-swatch{border:none;border-radius:3px}

.size-control{display:flex;align-items:center;gap:4px}
.size-control span{font-size:.78rem;color:var(--text3);min-width:35px;text-align:center}
.size-btn{width:28px;height:28px;border-radius:4px;background:var(--surface3);border:1px solid var(--border);color:var(--text);cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all .2s}
.size-btn:hover{background:var(--border);color:#fff}

.add-type-btn{width:100%;padding:12px;border:2px dashed var(--border);border-radius:var(--radius);background:transparent;color:var(--text2);font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:6px}
.add-type-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-bg)}

.step-content{display:none}
.step-content.active{display:block}

.empty-state{text-align:center;padding:40px 20px;color:var(--text3)}
.empty-state p{font-size:.88rem;margin-bottom:4px}
.empty-state span{font-size:.78rem}

.type-col-labels{display:none}

.upload-type-header{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0}
.upload-type-body{padding:16px;border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) var(--radius);background:var(--surface)}
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:28px;text-align:center;cursor:pointer;position:relative;transition:all .2s}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:var(--primary-bg)}
.upload-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;margin-top:12px}
.file-card{background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:6px;position:relative}
.file-card:hover{border-color:var(--border-hover)}
.file-remove{position:absolute;top:10px;left:10px;width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;border:none;cursor:pointer;font-size:.65rem;display:flex;align-items:center;justify-content:center;z-index:1}
.file-tag{position:absolute;top:10px;right:10px;font-size:.6rem;font-weight:600;padding:2px 6px;border-radius:3px}
.file-tag.pano{background:rgba(79,140,255,.15);color:#4f8cff}
.file-tag.map{background:rgba(255,107,74,.15);color:#ff6b4a}
.file-thumb{width:100%;aspect-ratio:16/9;border-radius:4px;overflow:hidden;margin-bottom:4px;background:var(--surface3)}
.file-thumb img{width:100%;height:100%;object-fit:cover}
.file-name{font-size:.72rem;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

@media(max-width:768px){
.stepper{overflow-x:auto}
.step-label{font-size:.7rem}
.type-row{grid-template-columns:1fr;gap:8px}
.type-col-labels{display:none}
.thumb-position-selector{grid-template-columns:1fr}
}

.logo-upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:28px;text-align:center;cursor:pointer;position:relative;transition:all .2s}
.logo-upload-zone:hover,.logo-upload-zone.dragover{border-color:var(--primary);background:var(--primary-bg)}
.logo-upload-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.logo-preview-wrap{display:flex;flex-direction:column;align-items:center;gap:12px}
.logo-preview-wrap img{max-width:300px;max-height:120px;object-fit:contain;border-radius:6px;background:var(--surface3);padding:8px}
.logo-remove-btn{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger);padding:5px 14px;border-radius:var(--radius-sm);cursor:pointer;font-size:.78rem;font-family:inherit;transition:all .2s}
.logo-remove-btn:hover{background:var(--danger);color:#fff}

.thumb-position-selector{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.thumb-option{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px;background:var(--surface2);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .2s}
.thumb-option:hover{border-color:var(--border-hover)}
.thumb-option.selected{border-color:var(--primary);background:var(--primary-bg)}
.thumb-option-icon{width:100%;max-width:160px}
.thumb-mock-screen{width:100%;aspect-ratio:16/10;background:var(--surface3);border-radius:4px;position:relative;overflow:hidden}
.thumb-mock-bar-v{position:absolute;right:4px;top:4px;bottom:4px;width:16px;background:var(--primary);border-radius:3px;opacity:.5}
.thumb-mock-bar-h{position:absolute;left:4px;right:4px;bottom:4px;height:16px;background:var(--primary);border-radius:3px;opacity:.5}
.thumb-option.selected .thumb-mock-bar-v,.thumb-option.selected .thumb-mock-bar-h{opacity:.9}
.thumb-option-label{font-size:.9rem;font-weight:600}
.thumb-option-desc{font-size:.76rem;color:var(--text3)}

.hl-type-tabs{display:flex;gap:6px;margin-bottom:20px;flex-wrap:wrap}
.hl-tab{padding:8px 16px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text2);font-size:.83rem;font-weight:500;cursor:pointer;font-family:inherit;transition:all .2s}
.hl-tab:hover{background:var(--surface3)}
.hl-tab.active{background:var(--primary-bg);border-color:currentColor;font-weight:600}

.hl-scene-header{display:grid;grid-template-columns:50px 60px 1fr 1fr;gap:8px;padding:8px 12px;font-size:.75rem;color:var(--text3);font-weight:600;border-bottom:1px solid var(--border)}
.hl-scene-list{display:flex;flex-direction:column}
.hl-scene-row{display:grid;grid-template-columns:50px 60px 1fr 1fr;gap:8px;padding:10px 12px;align-items:center;border-bottom:1px solid var(--border);transition:all .2s;cursor:grab}
.hl-scene-row:hover{background:var(--surface2)}
.hl-scene-row.unchecked{opacity:.45}
.hl-scene-row.dragging{opacity:.3;background:var(--surface3)}
.hl-scene-row.drag-over{border-top:2px solid var(--primary);padding-top:8px}

.hl-col-check{display:flex;align-items:center;justify-content:center}
.hl-col-check input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--primary)}
.hl-col-order{display:flex;align-items:center;gap:6px}
.hl-drag-handle{font-size:.9rem;color:var(--text3);cursor:grab}
.hl-order-num{font-size:.82rem;color:var(--text2);font-weight:500}
.hl-col-file{font-size:.82rem;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hl-col-name{display:flex}
.hl-name-input{width:100%;padding:6px 10px;background:var(--surface3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.82rem;font-family:inherit;transition:all .2s}
.hl-name-input:focus{outline:none;border-color:var(--primary)}

.hl-info{display:flex;gap:16px;padding:12px 0 0;font-size:.75rem;color:var(--text3)}