:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#14161c;--panel:#1d2029;--panel-2:#262a35;--text:#eef0f5;--muted:#a3a9b8;--accent:#fc3;--primary:#3d7cff;--danger:#ff6b6b;--radius:14px;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}button{font:inherit;color:inherit;cursor:pointer}.app{max-width:760px;padding:0 16px calc(96px + env(safe-area-inset-bottom));margin:0 auto}.top{justify-content:space-between;align-items:center;padding:14px 0;display:flex}.brand{background:0 0;border:0;align-items:center;gap:8px;padding:0;font-size:1.15rem;font-weight:700;display:flex}.badge.install{border:1px solid var(--accent);color:var(--accent);font-size:.9rem}.logo{color:var(--accent)}.badge{background:var(--panel-2);border-radius:999px;padding:4px 12px;font-weight:600}h1{margin:8px 0;font-size:1.6rem}h2{margin:10px 0 6px;font-size:1.25rem}.accent{color:var(--accent)}.hint{color:var(--muted);margin:6px 0 12px;line-height:1.45}.hint.small{font-size:.85rem}.sizes{grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:12px;margin-top:16px;display:grid}.size-card{background:var(--panel);border-radius:var(--radius);border:1px solid #2f3442;flex-direction:column;align-items:center;gap:8px;padding:14px 8px;font-size:1.1rem;font-weight:700;display:flex}.size-card:hover{border-color:var(--accent)}.btn{background:var(--panel-2);border:1px solid #353b4b;border-radius:12px;flex:1;padding:12px 18px;font-weight:600}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn:disabled{opacity:.45;cursor:default}.link{color:var(--muted);background:0 0;border:0;margin:0 auto;padding:12px 0;text-decoration:underline;display:block}.actions,.nav{gap:10px;margin:14px 0 4px;display:flex}.chip{background:var(--panel-2);white-space:nowrap;border:1px solid #353b4b;border-radius:999px;padding:5px 11px;font-size:.85rem}.chip.active{border-color:var(--accent);color:var(--accent)}.chip.done{color:#7be495}.scan-progress{gap:6px;padding-bottom:4px;display:flex;overflow-x:auto}.frame{aspect-ratio:1;border-radius:var(--radius);touch-action:none;background:#0d0f14;width:min(100%,420px);margin:0 auto;position:relative;overflow:hidden}.frame-canvas{width:100%;height:100%;display:block}.hidden-video{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.guide{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.guide-cell{fill:none;stroke:#fff9;stroke-width:.003px}.guide-outline{fill:none;stroke:#fffffff2;stroke-width:.007px;stroke-linejoin:round}.handle{fill:#ffcc3359;stroke:var(--accent);stroke-width:.006px;pointer-events:all;cursor:grab;touch-action:none}.small-link{padding:4px 0;font-size:.85rem}.frame-msg{text-align:center;background:#000000c7;border-radius:10px;padding:12px;font-size:.9rem;position:absolute;top:50%;left:12px;right:12px;transform:translateY(-50%)}.frame-msg p{margin:0 0 8px;line-height:1.4}.zoom{width:min(100%,420px);color:var(--muted);align-items:center;gap:10px;margin:10px auto 0;font-size:.9rem;display:flex}.zoom input{flex:1;min-width:0}.border-value{text-align:right;font-variant-numeric:tabular-nums;width:3.2em}.palette{grid-template-columns:repeat(6,1fr);gap:6px;display:grid}.swatch{background:var(--panel);border:2px solid #0000;border-radius:12px;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;display:flex}.swatch span{aspect-ratio:1;border:1px solid #0006;border-radius:8px;width:min(34px,100%)}.swatch.selected{border-color:var(--accent)}.swatch small.ok{color:#7be495}.swatch small.bad{color:var(--danger)}.net{grid-template-columns:repeat(4,1fr);gap:6px;margin:12px 0;display:grid}.net-face{position:relative}.net-grid{gap:max(1px, calc(6px / var(--n)));background:#0b0c10;border-radius:6px;padding:3px;display:grid}.sticker{aspect-ratio:1;border-radius:max(1px, calc(10px / var(--n)));border:0;min-width:0;padding:0}.net-label{text-align:center;color:var(--muted);margin-top:2px;font-size:.72rem;display:block}.errors{color:#ffc9c9;background:#ff6b6b1f;border:1px solid #ff6b6b80;border-radius:12px;padding:4px 14px}.phase-bar{gap:4px;margin-bottom:12px;display:flex}.phase-seg{background:var(--panel-2);border-radius:3px;min-width:18px;height:6px;overflow:hidden}.phase-fill{background:var(--accent);height:100%}.step-card{background:var(--panel);border-radius:var(--radius);padding:14px 16px 16px}.step-card.done{text-align:center}.step-head{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:.85rem;display:flex}.phase-name{color:var(--accent);font-weight:600}.move-big{text-align:center;letter-spacing:1px;margin:6px 0 0;font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:2rem;font-weight:800}.move-desc{text-align:center;margin:8px 0 0;font-size:1.3rem;font-weight:700;line-height:1.35}.views{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:flex}.views figure{flex-direction:column;align-items:center;gap:4px;margin:0;display:flex}.views figcaption{color:var(--muted);font-size:.8rem}.cube-view{max-width:100%;height:auto}.toggle{color:var(--muted);justify-content:center;align-items:center;gap:8px;margin-top:10px;font-size:.9rem;display:flex}.scrub{width:100%;margin:8px 0}.move-list,.legend{color:var(--muted);margin-top:10px}.move-list summary,.legend summary{cursor:pointer;padding:6px 0}.chips{flex-wrap:wrap;gap:6px;max-height:240px;display:flex;overflow-y:auto}.legend ul{padding-left:18px;line-height:1.5}.puzzle-net{width:100%;height:auto;margin:12px 0;display:block}.net-sticker{cursor:pointer}.net-svg-label{fill:var(--muted);text-anchor:middle;font-size:9px}.tabs{padding:6px 8px calc(6px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10;background:#14161cf5;border-top:1px solid #2a2e3a;justify-content:center;display:flex;position:fixed;bottom:0;left:0;right:0}.tabs button{max-width:200px;color:var(--muted);background:0 0;border:0;border-radius:10px;flex-direction:column;flex:1;align-items:center;gap:2px;padding:6px 4px;font-size:.78rem;display:flex}.tabs button span{font-size:1.25rem;line-height:1}.tabs button.active{color:var(--accent)}.update-banner{z-index:11;background:#22355e;justify-content:space-between;align-items:center;gap:10px;margin:0 -16px;padding:10px 16px;font-weight:600;display:flex;position:sticky;top:0}.btn.small{flex:0;padding:8px 14px}.stat-cards{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.stat-card{background:var(--panel);border-radius:var(--radius);text-align:center;flex-direction:column;gap:2px;padding:12px 8px;display:flex}.stat-card b{color:var(--accent);font-size:1.5rem}.stat-card span{color:var(--muted);font-size:.8rem}.stat-list{flex-direction:column;gap:6px;display:flex}.stat-row{background:var(--panel);opacity:.6;border-radius:12px;align-items:center;gap:12px;padding:6px 12px;display:flex}.stat-row.done{opacity:1}.stat-row-text{color:var(--muted);flex-direction:column;flex:1;font-size:.85rem;display:flex}.stat-row-text b{color:var(--text);font-size:1rem}.stat-count{color:var(--accent);font-weight:700}.recent{color:var(--muted);padding-left:18px;line-height:1.7}.about-card{background:var(--panel);border-radius:var(--radius);align-items:center;gap:14px;padding:14px;display:flex}.about-card h2{margin:0}.about-card .hint{margin:2px 0 0}.about-list{padding-left:18px}.lang-select{background:var(--panel-2);width:100%;color:var(--text);font:inherit;border:1px solid #353b4b;border-radius:12px;padding:12px}.method{border:none;gap:8px;margin:14px 0 4px;padding:0;display:grid}.method legend{margin-bottom:8px;font-weight:700}.method label{background:var(--panel);cursor:pointer;border:1px solid #2f3442;border-radius:12px;align-items:flex-start;gap:10px;padding:10px 12px;display:flex}.method label.active{border-color:var(--accent)}.method input{accent-color:var(--accent);margin-top:3px}.method span{flex-direction:column;gap:2px;display:flex}.method small{color:var(--muted);line-height:1.35}.notice{background:#ffcc331f;border:1px solid #ffcc3373;border-radius:12px;padding:10px 12px;line-height:1.45}.phase-goal{color:var(--muted);margin:4px 0 8px;font-size:.88rem;line-height:1.4}.move-note{text-align:center;color:var(--accent);margin:-4px 0 10px;font-size:.9rem}.sessions{gap:8px;margin:0 0 18px;padding:0;list-style:none;display:grid}.session{background:var(--panel);border-radius:var(--radius);border:1px solid #2f3442;align-items:center;gap:10px;padding:10px;display:flex}.session-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.session-info .small{color:var(--muted);font-size:.8rem}.progress{background:var(--panel-2);border-radius:3px;height:5px;margin-top:4px;overflow:hidden}.progress div{background:var(--accent);height:100%}.session-actions{flex-direction:column;gap:6px;display:flex}.session-actions .btn{flex:none;padding:7px 12px}.net-label .rotate{color:var(--accent);background:0 0;border:none;margin-left:2px;padding:2px 4px;font-size:1rem;line-height:1}.net-face.suspect .net-grid{outline:3px solid var(--accent);outline-offset:1px}.net-svg-rotate{fill:var(--accent);text-anchor:middle;cursor:pointer;font-size:13px}.status{border:1px solid;border-radius:12px;align-items:center;gap:10px;margin:12px 0;padding:12px;display:flex}.status p{flex:1;margin:0;line-height:1.4}.status .btn{flex:none}.status.ok{flex-wrap:wrap}.status.ok .btn{flex:1 0 100%}.status-icon{font-size:1.8rem;font-weight:800;line-height:1}.status.ok{color:#b6f5cf;background:#6ee7a01f;border-color:#6ee7a080}.status.bad{background:#ffcc331f;border-color:#ffcc3373}.views.assembled figure{margin:0}.step-head{flex-wrap:nowrap;align-items:center}.step-titles{flex-direction:column;gap:2px;min-width:0;display:flex}.voice{flex:none}.step-head h2{margin:0}.voice{background:var(--panel-2);border:1px solid #353b4b;border-radius:50%;width:44px;height:44px;margin-left:auto;font-size:1.3rem;line-height:1}.voice.on{border-color:var(--accent)}.views.anim{flex-wrap:nowrap;margin-top:4px;padding-top:26px;position:relative}.views.anim figure{flex:0 auto;min-width:0;margin:0}.anim-badge{background:var(--panel-2);color:var(--muted);border-radius:999px;padding:3px 12px;font-size:.85rem;font-weight:700;position:absolute;top:0;left:50%;transform:translate(-50%)}.anim-badge.turning{background:var(--accent);color:#1b1b1b}.anim-badge.after{color:#fff;background:#2f6f4a}.scan-instruction{align-items:center;gap:12px;display:flex}.scan-instruction .hint{flex:1;margin:0}.scan-guide{flex:none;justify-content:center;width:96px;padding:6px 0;display:flex}.adjust{margin-top:10px}.adjust summary{cursor:pointer;color:var(--muted);text-align:center;font-size:.9rem}.btn.big{padding:16px 18px;font-size:1.15rem}.diag-actions{flex-wrap:wrap;gap:8px;display:flex}.diag-actions .btn{flex:140px}.report{background:var(--panel);width:100%;color:var(--text);border:1px solid #353b4b;border-radius:8px;padding:8px;font:.75rem/1.4 ui-monospace,Menlo,Consolas,monospace}.frame-msg .small-link{margin:8px auto 0;display:block}.frame-msg .small{margin:6px 0 0;font-size:.8rem}