*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #eaf0f9;--bg-toolbar: rgba(255,255,255,.96);--bg-sidebar: rgba(255,255,255,.98);--bg-panel: #ffffff;--bg-input: #f2f6fc;--bg-btn: rgba(79,123,234,.07);--clr-primary: #4f7bea;--clr-primary-lt: rgba(79,123,234,.12);--clr-success: #38c48a;--clr-danger: #f06060;--clr-warn: #f09850;--clr-purple: #9f7aea;--clr-text: #2c3e6b;--clr-text-2: #5a6a8a;--clr-text-3: #9aa5be;--clr-border: rgba(79,123,234,.13);--clr-border-2: rgba(79,123,234,.28);--r-sm: 8px;--r-md: 12px;--r-lg: 18px;--sh-sm: 0 2px 8px rgba(50,80,150,.08);--sh-md: 0 4px 20px rgba(50,80,150,.12)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;background:var(--bg);color:var(--clr-text);height:100dvh;overflow:hidden}#root{display:flex;flex-direction:column;height:100dvh}.app{display:flex;flex-direction:column;height:100dvh;overflow:hidden}.app-header{display:flex;align-items:center;gap:12px;padding:0 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7px;background:none;border:none;cursor:pointer;color:var(--clr-primary);opacity:.75;transition:background .14s,opacity .14s}.ftb-split-arrow:hover{background:#4f7bea21;opacity:1}.ftb-split-arrow--open{background:#4f7bea29;opacity:1}.ftb-draw-menu{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);z-index:50;background:#fffffff7;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(200,215,245,.72);border-radius:14px;box-shadow:0 10px 36px #32509629,inset 0 1px #ffffffe6;padding:12px 10px;min-width:210px;animation:ftb-drop-in .15s ease}.ftb-draw-section-lbl{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.7px;color:var(--clr-text-2);padding:0 6px 5px;opacity:.7}.ftb-draw-section{display:flex;flex-direction:column;gap:2px}.ftb-draw-tool-btn{justify-content:flex-start!important;width:100%;gap:8px;padding:7px 10px!important;border-radius:8px;text-align:left}.ftb-draw-tool-label{flex:1;font-size:13px;font-weight:500}.ftb-draw-key{font-size:10px;font-weight:700;font-family:inherit;background:#4f7bea1a;color:var(--clr-primary);border:1px solid rgba(79,123,234,.22);border-radius:4px;padding:1px 5px;opacity:.85}.ftb-draw-divider{height:1px;background:var(--clr-border);margin:8px 0;opacity:.6}.tsv2-mode{display:flex;align-items:center;gap:10px;padding:12px 14px;background:linear-gradient(135deg,#4f7bea14,#4f7bea05);border-bottom:1px solid var(--clr-border);border-radius:16px 16px 0 0;flex-shrink:0}.tsv2-mode-icon-wrap{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--clr-primary) 0%,#3a68e8 100%);display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 3px 10px #4f7bea61;flex-shrink:0}.tsv2-mode-text{display:flex;flex-direction:column;gap:1px;min-width:0}.tsv2-mode-label{font-size:10px;color:var(--clr-text-3);font-weight:600;text-transform:uppercase;letter-spacing:.8px}.tsv2-mode-name{font-size:13px;font-weight:700;color:var(--clr-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tsv2-drawing-banner{margin:8px 10px 0;padding:8px 12px;background:linear-gradient(135deg,#38c48a1f,#38c48a0f);border:1.5px solid rgba(56,196,138,.35);border-radius:10px;display:flex;flex-direction:column;gap:6px}.tsv2-drawing-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--clr-success);box-shadow:0 0 #38c48a99;animation:tsv2-pulse 1.4s infinite;margin-right:6px;flex-shrink:0}@keyframes tsv2-pulse{0%{box-shadow:0 0 #38c48a99}70%{box-shadow:0 0 0 7px #38c48a00}to{box-shadow:0 0 #38c48a00}}.tsv2-drawing-text{font-size:11px;font-weight:600;color:#0e6038;display:flex;align-items:center}.tsv2-drawing-actions{display:flex;gap:5px}.tsv2-action-btn{flex:1;padding:5px 8px;border-radius:7px;font-size:11px;font-weight:700;font-family:inherit;cursor:pointer;border:none;transition:all .13s}.tsv2-action-btn--ok{background:var(--clr-success);color:#fff;box-shadow:0 2px 7px #38c48a59}.tsv2-action-btn--ok:hover{background:#2daa78}.tsv2-action-btn--cancel{background:var(--bg-input);color:var(--clr-text-2);border:1.5px solid var(--clr-border)}.tsv2-action-btn--cancel:hover{color:var(--clr-danger);border-color:#f0606066}.tsv2-sep{height:1px;background:var(--clr-border);margin:8px 12px;flex-shrink:0}.tsv2-section{padding:0 12px;margin-bottom:4px}.tsv2-section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.9px;color:var(--clr-text-3);margin-bottom:8px;display:flex;align-items:center;gap:5px}.tsv2-section-icon{font-size:11px;opacity:.6}.tsv2-height-ctrl{display:flex;align-items:center;gap:8px;background:var(--bg-input);border:1.5px solid var(--clr-border);border-radius:10px;padding:6px 10px}.tsv2-step-btn{width:26px;height:26px;border-radius:7px;border:1.5px solid var(--clr-border);background:#fff;color:var(--clr-primary);font-size:16px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .12s;line-height:1}.tsv2-step-btn:hover{background:var(--clr-primary);border-color:var(--clr-primary);color:#fff}.tsv2-height-val-wrap{flex:1;display:flex;align-items:baseline;justify-content:center;gap:3px}.tsv2-height-val{font-size:20px;font-weight:800;color:var(--clr-text);font-variant-numeric:tabular-nums;line-height:1}.tsv2-height-unit{font-size:12px;color:var(--clr-text-3);font-weight:600}.tsv2-shortcuts{display:flex;flex-direction:column;gap:4px}.tsv2-shortcut-row{display:flex;align-items:center;gap:8px}.tsv2-kbd{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:20px;padding:0 6px;background:#fff;border:1.5px solid var(--clr-border);border-bottom-width:3px;border-radius:5px;font-size:10px;font-weight:700;color:var(--clr-text-2);font-family:monospace;white-space:nowrap;flex-shrink:0}.tsv2-shortcut-desc{font-size:11px;color:var(--clr-text-3);line-height:1.3}