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translate(1px,-1px)}.fasten-item.active{color:var(--border-selected)}#fastenBtn.active{color:var(--border-selected);background:#00d4ff1f}.preset-selector-btn{position:absolute;top:12px;left:12px;z-index:60;background:#1e2240d9;color:#ccc;border:1px solid rgba(255,255,255,.15);border-radius:6px;padding:6px 14px;font-size:13px;cursor:pointer;backdrop-filter:blur(4px);transition:background .15s,border-color .15s}.preset-selector-btn:hover{background:#1e2240f2;border-color:var(--border-selected);color:#fff}.preset-dropdown{display:none;position:absolute;top:44px;left:12px;z-index:61;background:var(--bg-secondary);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:6px 0;min-width:180px;max-height:60vh;overflow-y:auto;box-shadow:0 8px 24px #00000080}.preset-dropdown.open{display:block}.preset-group-header{padding:6px 14px 4px;font-size:11px;font-weight:600;color:#fff6;text-transform:uppercase;letter-spacing:.5px}.preset-item{padding:6px 14px;font-size:13px;color:#ccc;cursor:pointer;transition:background .1s}.preset-item:hover{background:#00d4ff1a;color:#fff}.preset-item.active{color:var(--border-selected);font-weight:500}.threshold-panel{position:absolute;right:16px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:4px;z-index:55;user-select:none;touch-action:none}.threshold-label{font-size:10px;color:#fff9;letter-spacing:.5px;text-transform:uppercase;white-space:nowrap}.threshold-track{position:relative;width:6px;height:200px;background:#ffffff26;border-radius:3px;cursor:pointer}.threshold-fill{position:absolute;left:0;right:0;background:linear-gradient(to top,#00d4ff80,#00d4ffcc);border-radius:3px}.threshold-handle{position:absolute;left:50%;transform:translate(-50%,50%);width:18px;height:18px;border-radius:50%;background:var(--border-selected);border:2px solid #fff;cursor:grab;touch-action:none;box-shadow:0 1px 4px #00000080;z-index:2}.threshold-handle:active{cursor:grabbing;transform:translate(-50%,50%) scale(1.15)}.threshold-value{font-size:11px;color:#fffc;font-variant-numeric:tabular-nums;min-width:40px;text-align:center}@media(max-width:767px){.threshold-panel{right:8px}.threshold-track{height:150px}.threshold-handle{width:22px;height:22px}}.viewport-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:15}.spinner{width:32px;height:32px;border:3px solid var(--border-inactive);border-top-color:var(--nav-active);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.password-dialog-overlay{position:fixed;inset:0;background:#000000b3;z-index:300;display:flex;align-items:center;justify-content:center;animation:fadeIn .15s ease}.password-dialog{background:var(--bg-secondary);border:1px solid var(--border-inactive);border-radius:12px;padding:24px;min-width:320px;max-width:90vw;box-shadow:0 12px 40px #0009}.password-dialog-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.password-dialog-text{font-size:13px;color:var(--text-secondary);margin-bottom:16px;line-height:1.4}.password-dialog-input{width:100%;padding:10px 12px;background:var(--bg-primary);border:1px solid var(--border-inactive);border-radius:8px;color:var(--text-primary);font-size:14px;outline:none;transition:border-color .15s;box-sizing:border-box}.password-dialog-input:focus{border-color:var(--border-selected)}.password-dialog-buttons{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.password-dialog-btn{padding:8px 20px;border-radius:8px;border:1px solid var(--border-inactive);background:var(--bg-toolbar);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .15s}.password-dialog-btn:hover{color:var(--text-primary);border-color:var(--text-secondary)}.password-dialog-btn.ok{background:var(--border-selected);border-color:var(--border-selected);color:var(--bg-primary);font-weight:600}.password-dialog-btn.ok:hover{background:#33dfff}.password-dialog-error{color:var(--border-active-red);font-size:12px;margin-top:8px}body.fvng-embed .bottom-nav{display:none}