:root{color-scheme:dark;--bg-0: #0b0f14;--bg-1: #11161d;--bg-2: #171f29;--bg-3: #1f2937;--bg-inset: #0d1219;--border: #222e3d;--border-strong: #31445a;--text-0: #e6edf3;--text-1: #9db0c3;--text-2: #6b7f93;--accent: #38bdf8;--accent-strong: #0ea5e9;--accent-soft: rgba(56, 189, 248, .14);--danger: #ff5f56;--danger-soft: rgba(255, 95, 86, .14);--warn: #f59e0b;--warn-soft: rgba(245, 158, 11, .14);--ok: #34d399;--ok-soft: rgba(52, 211, 153, .14);--radius: 4px;--radius-lg: 6px;--font-ui: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;--font-mono: "Cascadia Mono", "JetBrains Mono", Consolas, "Courier New", monospace;--fs-xs: 11px;--fs-sm: 12px;--fs-md: 13px;--fs-lg: 15px;--header-h: 46px;--left-w: 320px;--right-w: 320px;--prop-w: 320px;--shadow-panel: 0 1px 0 rgba(255, 255, 255, .03) inset;--shadow-pop: 0 12px 32px rgba(0, 0, 0, .55);--viewport-bg: #0d1117;--result-viewport-bg: #070b10;--overlay-scrim: rgba(11, 15, 20, .82);--hud-bg: rgba(11, 15, 20, .78);--glass-bg: rgba(17, 22, 29, .9);--hero-glow: rgba(56, 189, 248, .1);--scrollbar-thumb: #2b3a4c;--scrollbar-thumb-hover: #3b5068;--btn-primary-fg: #04222f}html[data-theme=light]{color-scheme:light;--bg-0: #f3f6fa;--bg-1: #ffffff;--bg-2: #eef3f8;--bg-3: #e2ebf3;--bg-inset: #f8fafc;--border: #d4e0ea;--border-strong: #b7c9d8;--text-0: #1a2430;--text-1: #4a5d70;--text-2: #6b7f93;--accent: #0284c7;--accent-strong: #0369a1;--accent-soft: rgba(2, 132, 199, .12);--danger: #dc3d36;--danger-soft: rgba(220, 61, 54, .12);--warn: #c2410c;--warn-soft: rgba(194, 65, 12, .12);--ok: #0f9f6e;--ok-soft: rgba(15, 159, 110, .12);--shadow-panel: 0 1px 0 rgba(255, 255, 255, .85) inset, 0 1px 2px rgba(15, 23, 42, .04);--shadow-pop: 0 12px 32px rgba(15, 23, 42, .12);--viewport-bg: #e8eef4;--result-viewport-bg: #e6edf4;--overlay-scrim: rgba(243, 246, 250, .82);--hud-bg: rgba(255, 255, 255, .86);--glass-bg: rgba(255, 255, 255, .92);--hero-glow: rgba(2, 132, 199, .1);--scrollbar-thumb: #c5d3e0;--scrollbar-thumb-hover: #a9bbcc;--btn-primary-fg: #f8fbff}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg-0);color:var(--text-0);font-family:var(--font-ui);font-size:var(--fs-md);line-height:1.5;-webkit-font-smoothing:antialiased;overflow:hidden}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}a{color:var(--accent);text-decoration:none}.btn{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg-2);color:var(--text-0);font-family:inherit;font-size:var(--fs-sm);white-space:nowrap;cursor:pointer;transition:background .12s ease,border-color .12s ease,color .12s ease}.btn:hover:not(:disabled){background:var(--bg-3);border-color:var(--accent)}.btn:disabled{opacity:.42;cursor:not-allowed}.btn--primary{background:var(--accent-strong);border-color:var(--accent-strong);color:var(--btn-primary-fg);font-weight:600}.btn--primary:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}.btn--danger{border-color:#ff5f568c;color:var(--danger)}.btn--danger:hover:not(:disabled){background:var(--danger-soft);border-color:var(--danger)}.btn--ghost{background:transparent;border-color:transparent;color:var(--text-1)}.btn--ghost:hover:not(:disabled){background:var(--bg-3);border-color:var(--border);color:var(--text-0)}.btn--sm{height:24px;padding:0 8px;font-size:var(--fs-xs)}.btn--block{width:100%;justify-content:center}.segmented{display:inline-flex;gap:0;border:1px solid var(--border-strong);border-radius:var(--radius);overflow:hidden}.segmented>button{height:28px;margin:0;padding:0 9px;border:0;border-radius:0;background:var(--bg-2);color:var(--text-1);font-family:inherit;font-size:var(--fs-xs);cursor:pointer;transition:background .12s ease}.segmented>button:hover{background:var(--bg-3);color:var(--text-0)}.segmented>button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent);font-weight:600}.field{display:flex;align-items:center;gap:8px;min-height:26px}.field__label{flex:0 0 84px;color:var(--text-1);font-size:var(--fs-sm)}.field__control{flex:1 1 auto;min-width:0}.num-input{display:flex;align-items:center;width:100%;height:26px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg-inset);overflow:hidden;transition:border-color .12s ease}.num-input:focus-within{border-color:var(--accent)}.num-input--invalid{border-color:var(--danger)}.num-input--dragging{border-color:var(--accent)}.num-input__value{flex:1 1 auto;width:100%;min-width:0;height:100%;padding:0 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small{color:var(--text-2);font-family:var(--font-ui);font-size:var(--fs-xs)}.hint{color:var(--text-2);font-size:var(--fs-xs);line-height:1.5}.hint--error{color:var(--danger)}.badge{display:inline-flex;align-items:center;padding:0 6px;border-radius:9px;font-size:var(--fs-xs);line-height:17px}.badge--ok{background:var(--ok-soft);color:var(--ok)}.badge--error{background:var(--danger-soft);color:var(--danger)}.badge--warn{background:var(--warn-soft);color:var(--warn)}.badge--muted{background:var(--bg-3);color:var(--text-2)}.mono{font-family:var(--font-mono)}.spacer{flex:1 1 auto}.empty-state{padding:24px 12px;color:var(--text-2);font-size:var(--fs-sm);text-align:center}.projects{display:flex;flex-direction:column;height:100%;overflow-y:auto;background:radial-gradient(1100px 520px at 50% -12%,var(--hero-glow),transparent 62%),var(--bg-0)}.projects__inner{width:100%;max-width:860px;margin:0 auto;padding:56px 24px 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4px;color:var(--text-2);font-size:var(--fs-xs);letter-spacing:.4px}.obj-group__toggle{display:flex;align-items:center;gap:6px;border:0;padding:0;background:transparent;color:inherit;font:inherit;cursor:pointer;min-width:0}.obj-group__chevron{display:inline-block;transition:transform .15s ease;transform:rotate(90deg);font-size:10px;line-height:1}.obj-group__chevron.is-collapsed{transform:rotate(0)}.obj-group__count{color:var(--text-2);font-family:var(--font-mono)}.obj-group__actions{display:flex;align-items:center;gap:2px;margin-left:auto;flex-shrink:0}.obj-group--hidden .obj-group__toggle{opacity:.55}.obj-item{display:flex;align-items:center;gap:7px;width:100%;padding:4px 10px;border:0;border-left:2px solid transparent;background:transparent;color:var(--text-1);font-family:inherit;font-size:var(--fs-sm);text-align:left;cursor:pointer}.obj-item:hover{background:var(--bg-2);color:var(--text-0)}.obj-item--selected{border-left-color:var(--accent);background:var(--accent-soft);color:var(--text-0)}.obj-item--invalid{color:var(--danger)}.obj-item--hidden .obj-item__name{opacity:.45;text-decoration:line-through;text-decoration-color:color-mix(in srgb,var(--text-2) 70%,transparent)}.obj-item__name{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.obj-item__meta{flex:0 0 auto;color:var(--text-2);font-family:var(--font-mono);font-size:var(--fs-xs)}.obj-item__dot{flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--ok)}.obj-item__dot--invalid{background:var(--danger)}.obj-item__dot--off{background:var(--text-2)}.obj-vis-btn{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:24px;height:22px;padding:0;border:0;border-radius:4px;background:transparent;color:var(--text-2);cursor:pointer}.obj-vis-btn:hover:not(:disabled){background:var(--bg-3, var(--bg-2));color:var(--text-0)}.obj-vis-btn.is-off{color:var(--text-2);opacity:.7}.obj-vis-btn:disabled{opacity:.35;cursor:default}.obj-group__actions .obj-vis-btn:last-child{font-size:16px;font-weight:500;line-height:1}.array-form{padding:8px 10px 10px;border-bottom:1px solid var(--border);background:var(--bg-2)}.array-form__grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 8px;margin-bottom:8px}.array-form .field{gap:6px}.array-form .field__label{flex:0 0 auto;font-size:var(--fs-xs)}.array-form__footer{display:flex;align-items:center;gap:8px}.viewport{position:relative;flex:1 1 auto;min-width:0;min-height:0;background:var(--viewport-bg)}.viewport__canvas{position:absolute;inset:0}.viewport__canvas 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var(--border);border-radius:var(--radius);background:var(--bg-inset)}.plane-hole-row__title{display:flex;grid-column:1 / -1;align-items:center;justify-content:space-between;color:var(--text-2);font-size:var(--fs-xs);font-weight:600}.prop-title{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid var(--border);background:var(--bg-2)}.prop-title__name{flex:1 1 auto;overflow:hidden;font-size:var(--fs-md);font-weight:600;text-overflow:ellipsis;white-space:nowrap}.prop-title__type{color:var(--text-2);font-size:var(--fs-xs)}.derived-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.derived-cell{padding:5px 7px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-inset)}.derived-cell__label{color:var(--text-2);font-size:var(--fs-xs)}.derived-cell__value{color:var(--accent);font-family:var(--font-mono);font-size:var(--fs-md)}.derived-cell__value 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