:root{--bg:#f5f6f8;--panel:#fff;--border:#dde1e6;--text:#1c1f24;--text-dim:#6b7280;--accent:#2563eb;--accent-dim:#1d4ed8;--danger:#dc2626;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.app-shell{flex-direction:column;height:100vh;display:flex}.app-header{background:var(--panel);border-bottom:1px solid var(--border);z-index:10;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;display:flex;position:sticky;top:0}.app-header h1{margin:0;font-size:1.15rem}.header-left{align-items:center;gap:10px;display:flex}.home-btn{border:1px solid var(--border);width:32px;height:32px;color:var(--text-dim);border-radius:8px;flex:none;justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.home-btn:hover{color:var(--text);border-color:var(--accent);background:#f0f1f3}.home-btn svg{width:18px;height:18px}.header-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.status-bar{min-height:24px;color:var(--text-dim);padding:4px 20px;font-size:.85rem}.workspace{flex:1;align-items:stretch;min-height:0;display:flex}.sidebar{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;flex:0 0 260px;gap:10px;width:260px;padding:14px;display:flex;overflow-y:auto}.main-view{flex-direction:column;flex:1;align-items:center;min-width:0;padding:28px 32px 60px;display:flex;overflow-y:auto}.main-view-empty{text-align:center;color:var(--text-dim);max-width:360px;margin:auto;padding:80px 20px;font-size:1rem}.view-header{align-self:stretch;width:100%;max-width:900px;margin-bottom:12px;font-weight:600}.empty-state{text-align:center;color:var(--text-dim);padding:80px 20px;font-size:1rem}.sidebar-item{background:var(--bg);border:1px solid var(--border);cursor:pointer;border-radius:8px;flex-direction:column;gap:6px;padding:8px;display:flex}.sidebar-item:hover{border-color:var(--accent)}.sidebar-item.active{background:var(--panel);border-color:var(--accent);box-shadow:0 0 0 2px #2563eb40}.sidebar-item.drag-ghost{opacity:.4}.thumb-wrap{background:#eceef1;border-radius:4px;justify-content:center;align-items:center;min-height:120px;display:flex;overflow:hidden}.thumb-wrap canvas{max-width:100%;display:block;box-shadow:0 1px 3px #00000026}.page-label{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:.72rem;overflow:hidden}.page-controls{flex-wrap:wrap;align-items:center;gap:4px;display:flex}button{cursor:pointer;font-family:inherit}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:.85rem;font-weight:600}.btn-primary:hover{background:var(--accent-dim)}.file-btn{align-items:center;display:inline-flex}.btn-sm{background:var(--panel);border:1px solid 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var(--border);flex-wrap:wrap;align-self:stretch;align-items:center;gap:8px;width:100%;max-width:900px;margin-bottom:12px;padding-bottom:10px;display:flex}.tool-tray-dock{pointer-events:none;z-index:50;justify-content:center;display:flex;position:fixed;bottom:18px;left:260px;right:0}.tool-tray{pointer-events:auto;background:var(--panel);border:1px solid var(--border);border-radius:999px;align-items:center;gap:10px;padding:8px 14px;display:flex;box-shadow:0 8px 24px #0f11152e}.tray-tools{gap:6px;display:flex}.tray-btn{color:var(--text);background:0 0;border:1px solid #0000;border-radius:999px;padding:7px 14px;font-size:.82rem;font-weight:500}.tray-btn:hover{background:#f0f1f3}.tray-btn.active{background:var(--accent);color:#fff}.tray-swatches{border-left:1px solid var(--border);align-items:center;gap:6px;padding-left:4px;display:none}.tray-size{border-left:1px solid var(--border);align-items:center;gap:8px;padding-left:10px;display:none}.tray-size-dot{background:var(--text);border-radius:50%;flex:none;width:8px;height:8px}.tray-slider{width:90px;accent-color:var(--accent)}.swatch{border:2px solid #0000;border-radius:50%;width:20px;height:20px;padding:0}.swatch.active{border-color:var(--text)}.swatch-sm{border-radius:50%;width:12px;height:12px;display:inline-block}.canvas-wrap{max-width:100%;margin:0 auto;position:relative}.canvas-wrap canvas{border:1px solid var(--border);max-width:100%;display:block}.ann-overlay,.text-overlay{position:absolute;inset:0}.ann-overlay{touch-action:none}.ann{pointer-events:none;position:absolute}.ann-preview{opacity:.5}.ann-draw{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.ann-draw path{pointer-events:none}.ann-preview-path{opacity:.6}.text-overlay{pointer-events:none}.text-overlay 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