*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI','Microsoft YaHei',sans-serif}
body{background:#0a0f1c;color:#eef4ff;height:100vh;display:flex;flex-direction:column;overflow:hidden}
.header{background:linear-gradient(135deg,#0f172a,#1e293b);padding:10px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #3b82f6;flex-shrink:0}
.logo{font-size:18px;font-weight:bold;background:linear-gradient(135deg,#a5f3fc,#3b82f6);-webkit-background-clip:text;background-clip:text;color:transparent}
.subtitle{font-size:11px;color:#94a3b8;margin-left:12px}
.main-container{flex:1;display:flex;overflow:hidden}
.control-panel{width:380px;background:#0f172ad9;backdrop-filter:blur(4px);padding:16px;overflow-y:auto;border-right:1px solid #2d3a5e;display:flex;flex-direction:column;gap:14px;z-index:10}
.panel-section{background:rgba(30,41,59,.7);border-radius:20px;padding:14px;border:1px solid #2d3a5e;transition:0.2s}
.panel-title{font-size:14px;font-weight:600;color:#38bdf8;margin-bottom:12px;border-left:3px solid #3b82f6;padding-left:8px}
.btn{width:100%;padding:9px;background:linear-gradient(95deg,#2563eb,#3b82f6);color:white;border:none;border-radius:14px;cursor:pointer;font-size:13px;font-weight:600;margin-bottom:8px;transition:.2s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn-secondary{background:linear-gradient(95deg,#f97316,#ea580c)}
.btn-small{padding:6px 12px;font-size:11px;display:inline-block;width:auto;margin:4px;border-radius:24px;background:#334155;color:white;border:none;cursor:pointer;transition:.2s}
.btn-small:hover{filter:brightness(1.2)}
.btn-small.active{background:#3b82f6}
.upload-area{border:2px dashed #3b82f6;border-radius:24px;padding:20px 12px;text-align:center;cursor:pointer;margin-bottom:8px;background:#1e293b60;transition:.2s}
.upload-area:hover{background:#2563eb20}
.status-box{background:#0f172a;border-radius:16px;padding:10px 12px;font-size:12px;margin-top:6px}
.status-item{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.status-dot{width:10px;height:10px;border-radius:10px;background:#475569}
.status-dot.active{background:#22c55e;box-shadow:0 0 6px #22c55e}
.marker-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:12px 0}
.marker-btn{background:#1e293b;border:1px solid #475569;padding:8px 6px;border-radius:28px;font-size:11px;cursor:pointer;text-align:center;transition:.2s;display:flex;align-items:center;justify-content:space-between;gap:6px}
.marker-btn:hover{background:#334155}
.marker-btn.active{background:#3b82f6;color:white;border-color:#38bdf8}
.marker-btn.done{background:#0b3b2a;color:#bbf7d0;border-color:#22c55e}
.marker-btn.boundary{background:#1b3a2d;border-color:#14b8a6;color:#5eead4}
.marker-btn.boundary.done{background:#0f5e4f;color:#99f6e4;border-color:#2dd4bf}
.marker-btn .undo-icon{background:#ef4444;border-radius:50%;width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:10px;margin-left:6px;cursor:pointer;visibility:hidden}
.marker-btn.done .undo-icon{visibility:visible}
.marker-btn .undo-icon:hover{background:#dc2626;transform:scale(1.05)}
.coord-preview{font-size:12px;background:#0f172a;padding:8px 12px;border-radius:16px;margin-top:8px;text-align:center}
.info-text{font-size:10px;color:#94a3b8;margin-top:8px;line-height:1.5}
.section-disabled{opacity:.45;pointer-events:none}
.log-box{background:#0f172a;border-radius:12px;padding:8px;font-size:10px;color:#64748b;font-family:monospace;max-height:100px;overflow-y:auto;margin-top:8px}
.view-mode-bar{display:flex;gap:4px;margin-bottom:12px;background:#0f172a;padding:4px;border-radius:12px}
.view-mode-btn{flex:1;padding:8px;text-align:center;font-size:12px;border-radius:8px;cursor:pointer;background:transparent;border:none;color:#94a3b8;transition:.2s}
.view-mode-btn.active{background:#2563eb;color:white}
.view-mode-btn:hover:not(.active){background:#334155}
.preview-area{flex:1;position:relative;background:#020617}
#renderCanvas{width:100%;height:100%;display:block;outline:none}
.float-info{position:absolute;top:12px;left:12px;background:rgba(15,23,42,.95);border:1px solid #2d3a5e;border-radius:16px;padding:12px;z-index:100;max-width:240px;display:none;backdrop-filter:blur(4px)}
.float-info.show{display:block}
.float-info-title{font-size:12px;color:#38bdf8;font-weight:600;margin-bottom:6px}
.float-info-row{font-size:11px;color:#94a3b8;margin:3px 0;display:flex;justify-content:space-between}
.float-info-val{color:#e2e8f0;font-family:monospace}
.operation-hint{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);background:rgba(15,23,42,.9);border:1px solid #3b82f6;border-radius:20px;padding:8px 20px;font-size:12px;color:#38bdf8;z-index:100;white-space:nowrap;pointer-events:none;transition:.3s}
.operation-hint.hide{opacity:0}
.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);display:none;flex-direction:column;justify-content:center;align-items:center;z-index:2000}
.loading-spinner{width:48px;height:48px;border:4px solid #3b82f6;border-top-color:#a5f3fc;border-radius:50%;animation:spin .8s linear infinite;margin-bottom:18px}
@keyframes spin{to{transform:rotate(360deg)}}
.notification{position:fixed;top:70px;right:24px;padding:12px 20px;background:#1e293b;border-left:5px solid #3b82f6;border-radius:12px;transform:translateX(450px);transition:.3s;z-index:3000;font-size:13px}
.notification.show{transform:translateX(0)}
.notification.error{border-left-color:#ef4444}
.bone-adjust-layout{display:flex;flex-direction:column;gap:12px}
.bone-selector-grid{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:4px}
.bone-select-card{background:#0f172a;border-radius:20px;padding:8px 14px;border:1px solid #334155;cursor:pointer;transition:0.2s;flex:1;text-align:center}
.bone-select-card.active{background:#2563eb;border-color:#38bdf8;box-shadow:0 0 6px #3b82f6}
.bone-select-card:hover{background:#1e293b}
.bone-name{font-size:12px;font-weight:600}
.bone-icon{font-size:16px}
.sliders-group{background:#0f172a;border-radius:20px;padding:12px;margin-top:4px}
.slider-container{margin-bottom:12px}
.slider-label{font-size:12px;color:#cbd5e1;margin-bottom:4px;display:flex;justify-content:space-between}
.slider{width:100%;cursor:pointer;background:#334155;height:4px;border-radius:4px}
.action-buttons{display:flex;gap:8px;margin-top:8px}
.hint-box{background:#1e293b;border-radius:16px;padding:12px;margin-top:12px;font-size:11px;border-left:3px solid #facc15}
.toggle-buttons-group{display:flex;gap:8px;margin-bottom:12px}