:root{--bg:#eef1f6;--bg-canvas:#f7f8fa;--ink:#1d1d1f;--ink-2:#6e6e73;--glass:#ffffff9e;--glass-strong:#ffffffd1;--glass-border:#fffc;--accent:#0a84ff;--danger:#ff453a;--path-refrigerant:#ff9f0a;--path-drain:#64d2ff;--path-power:#ff453a;--radius-lg:20px;--radius-md:12px;--shadow:0 8px 30px #0000001f;--font:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0}html,body,#root{height:100%}body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}.glass{background:var(--glass);-webkit-backdrop-filter:blur(20px)saturate(180%);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:transform .2s ease-out,opacity .2s ease-out}.toolbar-row{scrollbar-width:none;-webkit-overflow-scrolling:touch}.toolbar-row::-webkit-scrollbar{display:none}.btn{font:inherit;cursor:pointer;border-radius:var(--radius-md);min-height:44px;color:var(--ink);background:#7878801f;border:none;padding:0 16px;transition:transform .12s ease-out,background .12s ease-out}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff}.btn-danger{background:var(--danger);color:#fff}input,select{font:inherit;border-radius:var(--radius-md);background:#fffc;border:1px solid #0000001a;min-height:44px;padding:0 12px}input:not([type=checkbox]):not([type=radio]):not([type=file]){box-sizing:border-box;width:100%;min-width:0}.unit-palette{z-index:10;width:260px;max-height:50vh;position:fixed;bottom:16px;left:16px;overflow:auto}.property-panel{z-index:10;width:280px;position:fixed;top:92px;right:16px}.floorplan-setup{top:92px}.back-button{z-index:10;position:fixed;bottom:16px;right:16px}@media (width<=768px){.unit-palette{width:auto;max-height:40vh;inset:auto 8px 8px}.property-panel{width:auto;inset:auto 8px 8px}.floorplan-setup{left:8px}}