:root{--win-bg: #dce6f2;--menu-bg: #ffffff;--toolbar-gradient: linear-gradient(to bottom, #fcfdfe 0%, #e2eaf3 100%);--btn-hover: linear-gradient(to bottom, #eaf2fb 0%, #cce1f7 100%);--btn-border: #a5b7c9;--file-blue: #2b78c5;--gerber-orange: #ffb12b;--bg-grid: #eedba5;--bg-canvas: #8c9094;--canvas-border: #3bb23b;--drop-success: #85e085;--panel-border: #99b4d1;--tab-bg: #e1e9f6;--fotv-red: #d32f2f}*{box-sizing:border-box}html,body{height:100%;overflow:hidden}body{font-family:Tahoma,Segoe UI,sans-serif;background-color:var(--win-bg);margin:0;display:flex;justify-content:center;align-items:stretch;padding:0;-webkit-user-select:none;user-select:none}.window-container{width:98vw;max-width:98vw;height:100vh;background-color:var(--win-bg);border:1px solid #8e9cad;box-shadow:0 10px 30px #00000080;border-radius:4px;overflow:hidden;display:flex;flex-direction:column}.title-bar{height:30px;background:linear-gradient(to bottom,#ebf3f9,#c9d9e7);display:flex;align-items:center;padding:0 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.sw-box-length{color:#16a34a}.sw-box-unit{font-size:12px;color:#64748b;font-weight:600}.sw-saved-strip{background:linear-gradient(135deg,#16a34a,#15803d);color:#fff;border-radius:6px;padding:7px;text-align:center;flex-shrink:0}.sw-saved-pct{font-size:24px;font-weight:900}.sw-saved-label{font-size:13px;opacity:.9;font-weight:600}.sw-input-row{display:flex;gap:10px;flex-shrink:0}.sw-input-col{flex:1}.sw-input-col label{display:block;font-size:12px;font-weight:600;color:#64748b;margin-bottom:3px}.sw-input-col input{width:100%;height:34px;border:1px solid #e2e8f0;border-radius:4px;padding:0 8px;font-size:15px;font-weight:700;color:#333;background:#f8fafc}.sw-result-compact{background:#f0fdf4;border:2px solid #16a34a;border-radius:6px;padding:10px 8px;text-align:center;flex-shrink:0;display:flex;flex-direction:column;justify-content:center}.sw-result-compact .sw-cash{font-size:28px;font-weight:900;color:#16a34a;line-height:1.1}.sw-result-compact 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