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h1{letter-spacing:-.4px;color:var(--text-h);margin:0;font-size:20px;font-weight:600}.sp-main{flex-direction:column;flex:1;gap:14px;min-height:0;padding:20px 24px;display:flex;overflow:hidden}.sp-canvas{border-radius:var(--pad-radius);background:var(--canvas-bg);border:1px solid var(--border);cursor:crosshair;touch-action:none;flex:1;width:100%;min-height:260px;display:block}.sp-footer{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 24px;display:flex}.mode-toggle{background:var(--code-bg);border-radius:8px;gap:2px;padding:3px;display:flex}.mode-toggle button{cursor:pointer;color:var(--text);font-size:14px;font-family:var(--sans);background:0 0;border:none;border-radius:6px;padding:6px 18px;transition:background .15s,color .15s}.mode-toggle button[aria-selected=true]{background:var(--bg);color:var(--text-h);box-shadow:0 1px 3px 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