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var(--line);border-radius:var(--border-panel);text-align:center;background:#fffffff5;min-width:240px;padding:24px 28px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 8px 32px #12302214}.loading strong{color:var(--green);margin:12px 0;font-size:28px;font-weight:600;display:block}.loading progress{accent-color:var(--green);border-radius:3px;width:100%;height:5px}.loading button{color:var(--green);border:1px solid var(--line);border-radius:var(--border-btn);margin-top:12px;padding:8px 16px;font-weight:500}.part-hover{pointer-events:none;border:1px solid var(--line);color:#173b32;z-index:40;background:#fffffffa;border-radius:6px;max-width:260px;padding:7px 12px;font-size:13px;position:absolute;box-shadow:0 4px 14px #12302214}.viewer-toolbar{border:1px solid var(--line);border-radius:var(--border-panel);background:#fff;flex-direction:column;gap:8px;margin:10px 16px 14px;padding:10px 14px;display:flex;box-shadow:0 4px 16px #1230220a}.toolbar-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.camera-buttons{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.camera-buttons button{border-radius:var(--border-btn);color:#354d43;padding:7px 11px;font-size:13px;font-weight:500;transition:all .15s}.camera-buttons button:hover{background:#edf3f0}.camera-buttons button[aria-pressed=true]{background:var(--green-light);color:var(--green);font-weight:600}.explode-control{color:#4a5e54;white-space:nowrap;align-items:center;gap:8px;font-size:13px;display:flex}.explode-control output{font-variant-numeric:tabular-nums;color:var(--green);min-width:34px;font-family:Segoe UI,sans-serif;font-weight:600}.explode-control input{accent-color:var(--green);cursor:pointer;width:100px}.learning-tools,.selection-tools{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.toolbar-tool-btn{border-radius:var(--border-btn);color:#354d43;background:#fff;border:1px solid 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16px;font-size:15px;line-height:1.7}.data-meta-row{color:#556c62;justify-content:space-between;padding:4px 0;font-size:13px;display:flex}.data-meta-row code{background:#edf2ef;border-radius:4px;padding:1px 5px;font-family:monospace}.schematic-disclosure{border-radius:6px;margin:8px 0 16px}.schematic-tag{color:#8c6a38;cursor:pointer;-webkit-user-select:none;user-select:none;background:#f9f4ed;border:1px solid #e8dbcb;border-radius:5px;align-items:center;gap:4px;padding:4px 8px;font-size:12px;font-weight:500;list-style:none;display:inline-flex}.schematic-tag::-webkit-details-marker{display:none}.schematic-disclosure .disclosure-text{color:#745731;background:#f9f5ef;border-radius:6px;margin-top:8px;padding:10px 12px;font-size:13px;line-height:1.6}.dental-detail-card{margin-top:12px}.dental-notations-bar{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.dental-badge{color:#245e50;background:#edf3f0;border-radius:5px;padding:4px 8px;font-family:Segoe 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0;padding-left:20px;font-size:15px;line-height:1.7}.pulp-info-row{color:#334a41;margin-bottom:10px;font-size:15px;line-height:1.7}.pulp-info-row strong{color:#173b32;font-weight:600}.pulp-info-row.warning{color:#8c3829;background:#fdf5f3;border:1px solid #f2ded9;border-radius:6px;padding:8px 12px}.primary-inline-btn{color:var(--green);background:var(--green-light);border-radius:var(--border-btn);align-items:center;gap:6px;margin-bottom:12px;padding:8px 14px;font-size:14px;font-weight:600;transition:all .15s;display:inline-flex}.primary-inline-btn:hover{background:var(--green);color:#fff}.clipping-detail-card{flex-direction:column;gap:16px;display:flex}.clipping-intro{color:var(--muted);font-size:14px;line-height:1.6}.tool-section{flex-direction:column;gap:8px;display:flex}.segmented-control{background:#edf2ef;border-radius:8px;grid-template-columns:repeat(3,1fr);gap:4px;padding:3px;display:grid}.segment-btn{color:#4a5d55;border-radius:6px;padding:8px 4px;font-size:13px;font-weight:500;transition:all .12s}.segment-btn.active{color:var(--green);background:#fff;font-weight:600;box-shadow:0 1px 4px #0000000f}.slider-header{justify-content:space-between;align-items:center;display:flex}.slider-val{color:var(--green);font-family:Segoe UI,sans-serif;font-size:14px;font-weight:600}.clipping-range{accent-color:var(--green);cursor:pointer;width:100%}.switches-row{grid-template-columns:1fr 1fr;gap:8px;display:grid}.tool-pill-btn{border:1px solid var(--line);border-radius:var(--border-btn);color:#354d43;background:#fff;justify-content:center;align-items:center;gap:6px;padding:9px 10px;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.tool-pill-btn:hover{background:#edf3f0}.tool-pill-btn.active{background:var(--green-light);border-color:var(--green);color:var(--green);font-weight:600}.secondary-action{border:1px solid var(--line);border-radius:var(--border-btn);color:#4a5d55;justify-content:center;align-items:center;gap:6px;width:100%;margin-top:10px;padding:11px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.secondary-action:hover{color:var(--green);background:#edf3f0}.ruler-detail-card{flex-direction:column;display:flex}.ruler-waiting-box{border:1px solid var(--line);text-align:center;background:#f8faf9;border-radius:8px;margin:16px 0;padding:24px 16px}.ruler-step-hint{color:var(--green);margin-bottom:8px;font-size:15px;font-weight:600}.ruler-note{color:var(--muted);font-size:13px;line-height:1.6}.ruler-hero-value{align-items:baseline;gap:6px;margin:16px 0 4px;display:flex}.ruler-hero-value .val{color:#173b32;letter-spacing:-.5px;font-family:Segoe UI,sans-serif;font-size:30px;font-weight:700}.ruler-hero-value 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