:root{--kim-navy: #1E4D8C;--kim-teal: #2DA4A8;--kim-plum: #6B3FA0;--kim-bg: #F4F6F9;--kim-surface: #FFFFFF;--kim-text: #1A2233;--kim-text-muted: #5A6478;--kim-border: #D8DEE8;--kim-danger: #E04848;--kim-warn: #E8A23A;--kim-success: #3CA864;--block: #FFD93D;--block-edge: #C9A800;--block-shadow: #E8C200;--plate: #3F8F4F;--plate-hole: #1F4F2F;--symbol: #1A1A1A;--label-color: #1A1A1A}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--kim-bg);color:var(--kim-text);overscroll-behavior:none}button{font:inherit;cursor:pointer}.app{display:grid;grid-template-rows:auto 1fr auto;height:100vh;height:100dvh}.legal-footer{text-align:center;padding:6px 12px;font-size:11px;color:var(--kim-text-muted);border-top:1px solid var(--kim-border);background:var(--kim-surface)}.legal-footer a{color:var(--kim-text-muted);text-decoration:none;margin:0 .6rem}.legal-footer a:hover{color:var(--kim-navy);text-decoration:underline}.topbar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:var(--kim-surface);border-bottom:1px solid var(--kim-border);z-index:10;flex-wrap:wrap}.topbar h1{font-size:18px;margin:0;color:var(--kim-navy);flex-shrink:0}.topbar .spacer{flex:1}.topbar select,.topbar button{padding:6px 12px;border:1px solid var(--kim-border);border-radius:6px;background:#fff;font-size:14px;min-height:36px}.topbar button.primary{background:var(--kim-navy);color:#fff;border-color:var(--kim-navy)}.topbar button.danger{background:var(--kim-danger);color:#fff;border-color:var(--kim-danger)}.workspace{display:grid;grid-template-columns:220px 1fr;overflow:hidden;min-height:0}.palette{background:var(--kim-surface);border-right:1px solid var(--kim-border);overflow-y:auto;padding:12px}.palette h2{font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--kim-text-muted);margin:12px 0 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6px;font-size:12px;text-transform:uppercase;color:var(--kim-text-muted)}.measurement-panel .row{display:flex;justify-content:space-between;gap:12px;font-variant-numeric:tabular-nums}.measurement-panel .err{color:var(--kim-danger);font-weight:600}.measurement-panel .warning-banner{background:var(--kim-danger);color:#fff;padding:8px 10px;border-radius:6px;font-size:12.5px;font-weight:600;margin:-2px -4px 10px;line-height:1.3;box-shadow:0 0 0 2px #e0484840}.zoom-controls{position:absolute;bottom:12px;right:12px;display:flex;flex-direction:column;gap:4px;background:#fff;padding:6px;border-radius:8px;box-shadow:0 2px 8px #00000026;border:1px solid var(--kim-border)}.zoom-controls button{width:36px;height:36px;border:1px solid var(--kim-border);background:#fff;border-radius:6px;font-size:18px;font-weight:700}.zoom-percent select{width:76px;padding:4px 6px;border:1px solid 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#0000004d;pointer-events:none}.confirm-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000040;display:flex;align-items:center;justify-content:center;z-index:100}.confirm-card{background:#fff;border-radius:12px;box-shadow:0 8px 24px #00000040;padding:20px 22px;max-width:360px;border:1px solid var(--kim-border)}.confirm-text{margin:0 0 16px;font-size:15px;color:var(--kim-text)}.confirm-actions{display:flex;justify-content:flex-end;gap:8px}.confirm-actions button{padding:8px 14px;border:1px solid var(--kim-border);background:#fff;border-radius:6px;font-size:14px;cursor:pointer}.confirm-actions 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