:root{--bg: #1b1b21;--bg-panel: #222229;--bg-panel2: #26262e;--border: #34343e;--text: #e6e6ec;--text-dim: #9a9aa6;--accent: #4da3ff;--accent-dim: #2c5c8f;--danger: #ff6b6b}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;overflow:hidden}body{background:var(--bg);color:var(--text);font-family:Yu Gothic UI,Meiryo,Segoe UI,sans-serif;font-size:12.5px;user-select:none}button{background:var(--bg-panel2);color:var(--text);border:1px solid var(--border);border-radius:5px;padding:4px 10px;font-size:12px;font-family:inherit;cursor:pointer;white-space:nowrap}button:hover:not(:disabled){background:#30303a;border-color:#45454f}button:disabled{opacity:.4;cursor:default}button.primary{background:var(--accent-dim);border-color:var(--accent)}button.primary:hover:not(:disabled){background:#38719f}button.toggled{background:var(--accent-dim);border-color:var(--accent)}button.danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger)}input,select,textarea{background:#18181e;color:var(--text);border:1px solid var(--border);border-radius:4px;font-family:inherit;font-size:12px;padding:3px 6px}input:focus,select:focus,textarea:focus{outline:1px solid var(--accent)}.app{display:flex;flex-direction:column;height:100%}.app-body{display:flex;flex:1;min-height:0}.topbar{display:flex;align-items:center;gap:12px;padding:6px 12px;background:var(--bg-panel);border-bottom:1px solid var(--border);flex-wrap:wrap}.topbar-title{font-weight:700;font-size:14px;letter-spacing:.05em;margin-right:6px;color:#fff}.topbar-group{display:flex;align-items:center;gap:5px;padding-right:12px;border-right:1px solid var(--border)}.topbar-group:last-of-type{border-right:none}.topbar-spacer{flex:1}.topbar-hint{color:var(--text-dim);font-size:11px}.zoom-label{min-width:44px;text-align:center;color:var(--text-dim)}.inline-label{display:flex;align-items:center;gap:5px;color:var(--text-dim)}.restore-banner{display:flex;align-items:center;gap:10px;padding:6px 14px;background:#2c3a52;border-bottom:1px solid var(--accent-dim);font-size:12px}.toolbar{width:48px;background:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;padding-top:8px;gap:4px}.tool-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;padding:0;color:var(--text-dim)}.tool-btn.active{background:var(--accent-dim);border-color:var(--accent);color:#fff}.shape-palette{margin-top:8px;display:grid;grid-template-columns:repeat(1,1fr);gap:3px;overflow-y:auto;padding-bottom:8px}.shape-btn{width:36px;height:34px;padding:2px;display:flex;align-items:center;justify-content:center}.shape-btn.active{background:var(--accent-dim);border-color:var(--accent)}.canvas-stage{flex:1;position:relative;min-width:0;background:#16161b}.canvas-stage canvas{position:absolute;inset:0;touch-action:none}.text-edit-overlay{position:absolute;z-index:10;background:#14141c80;border:1px dashed var(--accent);resize:none;overflow:hidden;white-space:pre;transform-origin:center center;min-width:30px;padding:2px 4px}.right-panel{width:270px;background:var(--bg-panel);border-left:1px solid var(--border);display:flex;flex-direction:column;min-height:0}.tab-bar{display:flex;border-bottom:1px solid var(--border)}.tab-bar button{flex:1;border:none;border-radius:0;background:transparent;padding:8px 2px;color:var(--text-dim);font-size:12px}.tab-bar button.active{color:#fff;background:var(--bg-panel2);box-shadow:inset 0 -2px 0 var(--accent)}.tab-content{flex:1;min-height:0;display:flex;flex-direction:column}.panel-scroll{overflow-y:auto;flex:1;padding-bottom:24px}.prop-section{border-bottom:1px solid var(--border);padding:8px 10px}.prop-section-title{font-size:11px;color:var(--text-dim);font-weight:700;margin-bottom:6px;letter-spacing:.04em}.prop-row{display:flex;align-items:center;gap:6px;margin:5px 0;min-height:22px}.prop-label{width:72px;flex-shrink:0;color:var(--text-dim);font-size:11.5px}.prop-control{display:flex;align-items:center;gap:6px;flex:1;min-width:0;flex-wrap:wrap}.num-input-wrap{display:inline-flex;align-items:center;gap:2px}.num-input{width:64px}.num-suffix{color:var(--text-dim);font-size:11px}.text-input{flex:1;min-width:60px}.slider{flex:1;min-width:70px;accent-color:var(--accent);padding:0}.check-label{display:inline-flex;align-items:center;gap:4px;color:var(--text);cursor:pointer}.check-label input{accent-color:var(--accent)}.seg-buttons{display:inline-flex;border-radius:5px;overflow:hidden;border:1px solid var(--border)}.seg-buttons button{border:none;border-radius:0;border-right:1px solid var(--border);padding:3px 8px;font-size:11.5px;background:transparent;color:var(--text-dim)}.seg-buttons button:last-child{border-right:none}.seg-buttons button.active{background:var(--accent-dim);color:#fff}.value-label{color:var(--text-dim);font-size:11px;min-width:24px}.btn-row{display:flex;gap:5px;flex-wrap:wrap}.small-btn{padding:3px 9px;font-size:11.5px}.hint-text{color:var(--text-dim);font-size:11px;line-height:1.7}.layers-panel{display:flex;flex-direction:column;flex:1;min-height:0}.layers-header{display:flex;align-items:center;justify-content:space-between;padding:6px 8px;border-bottom:1px solid var(--border);color:var(--text-dim);font-size:11px;flex-wrap:wrap;gap:4px}.layers-list{overflow-y:auto;flex:1}.layer-item{display:flex;align-items:center;gap:5px;padding:3px 6px;border-bottom:1px solid #26262d;cursor:pointer}.layer-item:hover{background:#27272f}.layer-item.selected{background:var(--accent-dim)}.layer-item.dragging{opacity:.4}.layer-thumb{width:28px;height:28px;background:#18181e;border:1px solid var(--border);border-radius:3px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.layer-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.layer-name.dimmed{opacity:.45}.layer-rename{flex:1;min-width:40px}.blend-badge{padding:1px 5px;font-size:10.5px;border-radius:3px;flex-shrink:0}.blend-badge.erase{color:#ff9c9c;border-color:#7a4040}.icon-toggle{width:22px;height:22px;padding:0;font-size:11px;background:transparent;border-color:transparent;color:var(--text-dim);flex-shrink:0}.icon-toggle.on{color:var(--text)}.icon-toggle:hover{border-color:var(--border)}.layers-empty{padding:16px;color:var(--text-dim);text-align:center}.underlay-preview{margin:8px 0;border:1px solid var(--border);border-radius:4px;overflow:hidden;background:#111}.underlay-preview img{width:100%;display:block}.preset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:8px}.preset-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px 4px;background:var(--bg-panel2)}.preset-btn span{font-size:10px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.preset-btn:hover span{color:var(--text)}.dialog-backdrop{position:fixed;inset:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:100}.dialog{background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px;width:520px;max-width:94vw;max-height:92vh;overflow-y:auto;box-shadow:0 12px 40px #00000080}.dialog-title{font-size:15px;font-weight:700;margin-bottom:12px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.export-previews{display:flex;gap:12px;margin-bottom:12px;justify-content:center}.export-preview{display:flex;flex-direction:column;align-items:center;gap:4px}.export-preview canvas{border:1px solid var(--border);border-radius:4px;max-width:220px}.export-preview span{font-size:11px;color:var(--text-dim)}.font-picker{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}.font-picker select{width:100%}.font-picker-actions{display:flex;gap:4px}.font-picker-actions button{font-size:11px;padding:2px 8px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#3a3a44;border-radius:5px;border:2px solid var(--bg-panel)}::-webkit-scrollbar-track{background:transparent}