*{box-sizing:border-box;margin:0;padding:0}html,body,#app{color:#1c1e21;background:#e9ecf0;height:100%;font-family:-apple-system,Hiragino Sans,Yu Gothic UI,sans-serif;overflow:hidden}#app{flex-direction:row;display:flex;position:relative}#sidebar{width:300px;height:100%;padding-left:env(safe-area-inset-left);background:#f7f8fa;border-right:1px solid #d5dae0;flex-direction:column;flex:0 0 300px;display:flex}#sidebar.hidden{display:none}#sidebar-header{padding:calc(10px + env(safe-area-inset-top)) 12px 10px 14px;border-bottom:1px solid #e2e6ea;justify-content:space-between;align-items:center;display:flex}.app-title{color:#2b2f33;letter-spacing:.02em;font-size:16px;font-weight:700}#sidebar-body{flex:1;padding:4px 12px 8px 14px;overflow-y:auto}#sidebar-footer{padding:10px 12px calc(10px + env(safe-area-inset-bottom)) 14px;background:#f7f8fa;border-top:1px solid #e2e6ea;flex-direction:column;gap:8px;display:flex}details{border-bottom:1px solid #e6eaee;padding:4px 0 8px}summary{color:#33383d;cursor:pointer;-webkit-user-select:none;user-select:none;padding:8px 0;font-size:14px;font-weight:600;list-style-position:inside}.tool-row{flex-wrap:wrap;align-items:center;gap:8px;margin-top:6px;display:flex}label{color:#4a5057;align-items:center;gap:4px;font-size:13px;display:flex}input[type=number]{color:#1c1e21;background:#fff;border:1px solid #c9cfd6;border-radius:8px;width:62px;padding:6px;font-size:16px}select{color:#1c1e21;background:#fff;border:1px solid #c9cfd6;border-radius:8px;padding:6px;font-size:16px}button{color:#fff;cursor:pointer;background:#0a7aff;border:none;border-radius:10px;padding:9px 14px;font-size:15px}button:disabled{color:#9aa1a8;background:#dfe3e8}button.secondary{color:#33383d;background:#e8ebef}button.secondary:disabled{color:#b3bac1;background:#eef0f3}.icon-btn{color:#33383d;background:#e8ebef;border-radius:8px;padding:6px 10px;font-size:13px}#btn-show-sidebar{top:calc(10px + env(safe-area-inset-top));left:calc(10px + env(safe-area-inset-left));z-index:10;background:#ffffffeb;border:1px solid #c9cfd6;position:absolute}.hint{color:#737a82;font-size:12px}.check{gap:4px}#status{color:#5a6169;min-height:1.2em;font-size:12px}textarea{color:#1c1e21;resize:vertical;background:#fff;border:1px solid #c9cfd6;border-radius:8px;width:100%;padding:8px;font-family:inherit;font-size:16px}button.tool.active{outline-offset:1px;outline:3px solid #7db4ff}#history-list.locked{pointer-events:none;opacity:.55}.history-row{border-bottom:1px solid #edf0f3;flex-direction:column;gap:4px;padding:8px 6px;display:flex;position:relative}.history-row.error{background:#fdecec;border-radius:8px}.history-label{color:#33383d;padding-right:28px;font-size:13px;font-weight:600}.history-params{flex-wrap:wrap;gap:6px;display:flex}.history-params input{width:56px;padding:4px;font-size:16px}.history-delete{color:#9aa1a8;background:0 0;padding:2px 8px;font-size:14px;position:absolute;top:6px;right:2px}#canvas-container{flex:1;min-width:0;height:100%;position:relative}#canvas-container canvas{touch-action:none;display:block}#mode-banner[hidden]{display:none}#mode-banner{top:calc(10px + env(safe-area-inset-top));z-index:15;color:#fff;pointer-events:none;text-align:center;background:#0a7aff;border-radius:999px;max-width:60vw;padding:8px 16px;font-size:14px;font-weight:600;position:absolute;left:calc(50% + 150px);transform:translate(-50%);box-shadow:0 2px 10px #0a50c840}#canvas-container.sketching canvas{cursor:crosshair}#dim-badge[hidden]{display:none}#dim-badge{z-index:20;background:#fff;border:1px solid #0a7aff;border-radius:10px;align-items:center;gap:4px;padding:4px 6px;display:flex;position:absolute;transform:translate(-50%,-130%);box-shadow:0 2px 10px #1428502e}#dim-badge input{color:#1c1e21;text-align:right;background:0 0;border:none;width:64px;font-size:16px}#dim-badge span{color:#737a82;font-size:12px}#dim-badge button{border-radius:8px;padding:4px 8px;font-size:14px}#view-presets{right:calc(12px + env(safe-area-inset-right));bottom:calc(56px + env(safe-area-inset-bottom));z-index:10;flex-direction:column;gap:6px;display:flex;position:absolute}#view-presets .icon-btn{background:#ffffffeb;border:1px solid #c9cfd6;min-width:38px}#btn-fit{right:calc(12px + env(safe-area-inset-right));bottom:calc(12px + env(safe-area-inset-bottom));z-index:10;background:#ffffffeb;border:1px solid #c9cfd6;position:absolute}#debug{top:calc(8px + env(safe-area-inset-top));right:calc(8px + env(safe-area-inset-right));color:#3f5e3d;pointer-events:none;background:#ffffffbf;border:1px solid #d5dae0;border-radius:8px;padding:6px 8px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;line-height:1.5;position:absolute}