:root{--brand:#0f6cbd;--brand-hover:#115ea3;--brand-pressed:#0c3b5e;--brand-fg:#0f6cbd;--brand-link:#115ea3;--brand-bg2:#ebf3fc;--brand-stroke2:#b4d6fa;--n-bg1:#fff;--n-bg2:#fafafa;--n-bg3:#f5f5f5;--n-bg4:#f0f0f0;--n-bg1-hover:#f5f5f5;--n-bg1-sel:#ebebeb;--n-fg1:#242424;--n-fg2:#424242;--n-fg3:#616161;--n-fg4:#707070;--n-fg-dis:#bdbdbd;--stroke1:#d1d1d1;--stroke2:#e0e0e0;--stroke3:#f0f0f0;--success-fg:#0e700e;--radius-sm:2px;--radius-md:4px;--radius-lg:6px;--radius-xl:8px;--shadow8:0 0 2px #0000001f, 0 4px 8px #00000024;--shadow16:0 0 2px #0000001f, 0 8px 16px #00000024;--font-base:"Segoe UI", "Segoe UI Web (West European)", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;--font-mono:Consolas, "Courier New", Courier, monospace}*,:before,:after{box-sizing:border-box}html,body{width:100%;height:100%;font-family:var(--font-base);color:var(--n-fg1);background:var(--n-bg1);margin:0;padding:0;font-size:14px;line-height:20px;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}button:focus-visible{outline-offset:-2px;border-radius:var(--radius-md);outline:2px solid #fff;box-shadow:0 0 0 2px #000}.ribbon{background:var(--n-bg1);border-bottom:1px solid var(--stroke2);align-items:stretch;height:96px;padding:6px 8px;display:flex;overflow:hidden}.ribbon-pane{align-items:stretch;width:100%;display:flex}.rgroup{flex-direction:column;min-width:0;padding:0 10px;display:flex;position:relative}.rgroup+.rgroup:before{content:"";background:var(--stroke2);width:1px;position:absolute;top:6px;bottom:18px;left:0}.rgroup .glabel{text-align:center;color:var(--n-fg3);margin-top:auto;padding-top:2px;font-size:11px;line-height:14px}.rg-row{flex:1;align-items:center;gap:2px;display:flex}.rcmd{border-radius:var(--radius-md);height:30px;color:var(--n-fg1);align-items:center;gap:6px;padding:0 8px;font-size:13px;display:inline-flex}.rcmd:hover{background:var(--n-bg1-hover)}.rcmd.toggle.on{background:var(--n-bg1-sel);color:var(--brand-fg)}.rcmd-tall{border-radius:var(--radius-md);width:64px;min-height:64px;color:var(--n-fg1);flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:6px 4px;font-size:12px;line-height:14px;display:flex}.rcmd-tall:hover{background:var(--n-bg1-hover)}.rcmd-tall.on{background:var(--n-bg1-sel);outline:1px solid var(--brand-stroke2)}.rcmd-tall .lbl{color:var(--n-fg2);text-align:center;align-items:center;gap:2px;font-size:11px;line-height:13px;display:flex}.rcmd-tall .caret{color:var(--n-fg3)}.rselect{background:var(--n-bg1);border:1px solid var(--stroke1);border-radius:var(--radius-md);height:24px;color:var(--n-fg1);justify-content:space-between;align-items:center;gap:6px;min-width:0;padding:0 6px 0 8px;font-size:13px;display:inline-flex}.rselect:hover{background:var(--n-bg1-hover)}.rselect .caret{color:var(--n-fg3);font-size:9px}.color-swatch{border-radius:var(--radius-md);width:24px;height:32px;color:var(--n-fg1);flex-direction:column;align-items:center;padding:3px 0;display:inline-flex}.color-swatch:hover{background:var(--n-bg1-hover)}.color-swatch .ch{border-radius:1px;width:14px;height:2px;margin-top:1px}.chk{border-radius:var(--radius-md);height:22px;color:var(--n-fg1);cursor:pointer;align-items:center;gap:6px;padding:0 6px;font-size:13px;display:inline-flex}.chk:hover{background:var(--n-bg1-hover)}.chk input{accent-color:var(--brand);margin:0}.theme-tile{border-radius:var(--radius-md);border:1px solid var(--stroke1);background:var(--n-bg1);width:58px;height:46px;color:var(--n-fg2);flex:none;justify-content:flex-start;align-items:flex-end;padding:0 0 5px 6px;font-size:13px;font-weight:600;display:flex;position:relative;overflow:hidden}.theme-tile:hover{border-color:var(--n-fg3)}.theme-tile.active{border:2px solid var(--brand);outline:1px solid var(--brand-bg2)}.theme-tile .bar{border-radius:1px;height:2px;position:absolute;bottom:3px;left:6px;right:6px}.theme-tile .palette{gap:1px;display:flex;position:absolute;top:5px;right:5px}.theme-tile .palette i{border-radius:50%;width:5px;height:5px;display:block}.theme-tile.t1{color:#242424;background:#fff}.theme-tile.t1 .bar{background:#0f6cbd}.theme-tile.t2{color:#242424;background:#fff}.theme-tile.t2 .bar{background:#c50f1f}.theme-tile.t3{color:#242424;background:#fff}.theme-tile.t3 .bar{background:#0e700e}.theme-tile.t4{color:#fff;background:#1f1f1f}.theme-tile.t4 .bar{background:#fde300}.variant-tile{border-radius:var(--radius-md);border:1px solid var(--stroke1);background:var(--n-bg1);flex:none;width:78px;height:46px;position:relative;overflow:hidden}.variant-tile:hover{border-color:var(--n-fg3)}.variant-tile.active{border:2px solid var(--brand)}.variant-tile .v-side{width:18px;position:absolute;top:0;bottom:0;left:0}.variant-tile .v-bar{background:#242424;border-radius:1px;width:38px;height:3px;position:absolute;top:8px;left:24px}.variant-tile .v-bar2{opacity:.5;background:#616161;border-radius:1px;width:46px;height:2px;position:absolute;top:16px;left:24px}.variant-tile .v-foot{height:8px;position:absolute;bottom:0;left:0;right:0}.transition-tile{border-radius:var(--radius-md);width:64px;height:64px;color:var(--n-fg2);flex-direction:column;flex:none;justify-content:center;align-items:center;gap:4px;padding:4px;font-size:11px;display:flex}.transition-tile:hover{background:var(--n-bg1-hover)}.transition-tile.active{background:var(--n-bg1-sel);outline:2px solid var(--brand);outline-offset:-2px}.transition-vis{border:1px solid var(--n-fg3);background:#fff;border-radius:2px;width:38px;height:28px;position:relative;overflow:hidden}.ai-strip{border:1px solid var(--brand-stroke2);border-radius:var(--radius-md);height:32px;color:var(--brand-hover);background:linear-gradient(135deg,#ebf3fc 0%,#fbfcfe 100%);align-items:center;gap:8px;padding:0 10px;font-size:13px;font-weight:600;display:inline-flex}.ai-strip .spark{color:var(--brand)}