:root{--bg: #f7fafc;--panel-bg: #fff;--muted: #6b7280}html,body,#root,#cutlist-optimizer-root{height:100%;margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg)}.app{display:flex;height:100vh}.left{width:28%;min-width:300px;background:var(--panel-bg);border-right:1px solid #e5e7eb;overflow:auto}.center{flex:1;padding:16px;overflow:auto}.right{width:300px;background:var(--panel-bg);border-left:1px solid #e5e7eb;overflow:auto;padding:12px}.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{padding:6px;border-bottom:1px solid #f1f5f9;text-align:left}.small{font-size:12px;color:var(--muted)}.controls{padding:12px}.input{padding:6px;border:1px solid #e5e7eb;border-radius:4px}