body{margin:0;overflow:hidden;font-family:Inter,sans-serif;background-color:#1a1a1a;color:#e0e0e0}#loading-overlay{position:fixed;top:20px;right:20px;left:auto;width:auto;height:auto;background:#000c;color:#fff;padding:10px 20px;border-radius:20px;display:none;align-items:center;justify-content:center;z-index:10000;pointer-events:none;box-shadow:0 4px 6px #0000004d;font-size:.9rem;flex-direction:row}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top:2px solid #fff;border-radius:50%;animation:spin 1s linear infinite;margin-right:10px;margin-bottom:0}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#dimension-hud{position:absolute;top:10px;right:50%;transform:translate(50%);background:#0009;padding:8px 16px;border-radius:8px;z-index:100;pointer-events:none;border:1px solid rgba(255,255,255,.2);color:#fff;text-align:center;font-family:monospace;font-size:1.1rem;box-shadow:0 2px 4px #00000080;display:flex;gap:15px}#dimension-hud span{font-weight:600;color:#4db8ff}#layout-container{display:flex;height:100vh;width:100vw;overflow:hidden}.sidebar{width:300px;background-color:#252525;border-right:1px solid #333;padding:10px;box-sizing:border-box;display:flex;flex-direction:column;gap:5px;overflow-y:auto;flex-shrink:0;z-index:10}#sidebar-right{border-left:1px solid #333;border-right:none;border-right:0}h2{font-size:1.1rem;margin-bottom:5px;border-bottom:1px solid #444;padding-bottom:2px;color:#fff;margin-top:0}h3{font-size:.95rem;margin-top:10px;margin-bottom:4px;color:#ccc}.control-group,.result-group{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}label{font-size:.9rem;color:#aaa}input[type=number],select{background-color:#333;border:1px solid #444;color:#fff;padding:4px 4px 4px 8px;border-radius:4px;width:80px;text-align:right;box-sizing:border-box}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{margin-left:2px}@media print{@page{margin:.5in;size:letter portrait}#layout-container,#layout-container *{display:none!important}body{background:#fff;overflow:visible}#print-report{display:block!important;position:relative;width:100%;height:auto;overflow:visible;background:#fff;padding:0;margin:0}.report-content{width:100%;padding:0;margin:0;border:none;box-shadow:none}.report-header h1{font-size:24pt!important}.header-meta{font-size:12pt!important}.data-card h3{font-size:14pt!important;border-bottom:2px solid #ccc;margin-bottom:8px}.data-row{font-size:12pt!important;padding:4px 0;border-bottom:1px dotted #eee}.heatmap-section h3{font-size:14pt!important}.report-footer{font-size:10pt!important}.report-logo{height:80px!important}.report-rows-container,.report-grid{gap:20px}.print-page-break{page-break-before:always;break-before:page;margin-top:20px;display:block}.snapshot-page{width:100%;height:90vh;display:flex;flex-direction:column;align-items:center;justify-content:center;page-break-inside:avoid}.snapshot-page img{max-width:100%;max-height:85vh;object-fit:contain;border:1px solid #ddd}.snapshot-page h4{font-size:16pt;margin-bottom:10px;text-align:center;color:#333}#btn-close-report,#btn-do-print,.print-controls,#dimension-hud{display:none!important}}#unit-select{width:140px}.info-box{font-size:.85rem}