.cube-host[data-v-e19fd09e]{position:relative;width:100%;height:100%;min-height:320px;touch-action:none}.cube-host[data-v-e19fd09e] canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.cube-host.painting[data-v-e19fd09e] canvas{cursor:crosshair}.pwa-status[data-v-646e75fe]{position:fixed;top:76px;right:12px;z-index:100;max-width:min(360px,calc(100vw - 24px));padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--panel);box-shadow:0 4px 20px #0008}p[data-v-646e75fe]{margin:0 0 8px}button[data-v-646e75fe]{margin-right:6px}dl[data-v-a4f2d174]{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:12px 0}dt[data-v-a4f2d174]{color:var(--muted)}dd[data-v-a4f2d174]{margin:0}a[data-v-a4f2d174]{color:var(--accent)}ul[data-v-a4f2d174]{padding-left:18px;margin:6px 0}li[data-v-a4f2d174]{margin-bottom:4px}.notation[data-v-87ccc88b]{list-style:none;padding:0;display:grid;gap:6px}.notation li[data-v-87ccc88b]{display:flex;gap:10px;align-items:center;font-size:13px}.notation button[data-v-87ccc88b]{min-width:40px;font-weight:700}.concept[data-v-87ccc88b]{margin:6px 0;background:#1b2030;border-radius:8px;padding:6px 10px}.concept summary[data-v-87ccc88b]{cursor:pointer;font-weight:600}.lessons[data-v-87ccc88b]{padding-left:18px}.lessons li[data-v-87ccc88b]{margin-bottom:14px}.lesson-title[data-v-87ccc88b]{font-weight:700}.goal[data-v-87ccc88b]{color:var(--accent);font-size:13px}.tip[data-v-87ccc88b]{color:var(--muted);font-size:13px}.alg[data-v-87ccc88b]{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.movepad[data-v-494e6f75]{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px 12px}.pad[data-v-494e6f75]{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.group[data-v-494e6f75]{display:flex;flex-direction:column;gap:3px}button[data-v-494e6f75]{padding:4px 0;font-weight:600}.timer[data-v-163bdc66]{margin-left:auto;color:var(--muted);font-size:13px}.check[data-v-163bdc66]{list-style:none;padding:0;display:grid;gap:4px}.check li[data-v-163bdc66]{display:flex;gap:8px;align-items:center;color:var(--muted)}.check li.done[data-v-163bdc66]{color:var(--ok)}.box[data-v-163bdc66]{width:18px;height:18px;border:1px solid currentColor;border-radius:4px;display:grid;place-items:center;font-size:12px}.hint-box[data-v-163bdc66]{background:#1b2030;border-radius:8px;padding:10px;margin:8px 0}.hint-move[data-v-163bdc66]{margin:6px 0}.move[data-v-163bdc66]{font-family:ui-monospace,Consolas,monospace;background:var(--accent);color:#0b0d12;padding:2px 8px;border-radius:6px;font-weight:700}.move.big[data-v-163bdc66]{font-size:24px}.target[data-v-163bdc66]{font-size:18px}.saveload[data-v-6818c29d]{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px 12px}summary[data-v-6818c29d]{cursor:pointer;font-weight:600}.grow[data-v-6818c29d]{flex:1;min-width:0}.saved[data-v-6818c29d]{list-style:none;margin:6px 0;padding:0;max-height:150px;overflow:auto;display:grid;gap:4px}.saved li[data-v-6818c29d]{display:flex;align-items:center;gap:8px}.title[data-v-6818c29d]{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}small[data-v-6818c29d]{color:var(--muted);white-space:nowrap}.file-btn[data-v-6818c29d]{position:relative;cursor:pointer;background:#1b2030;border:1px solid var(--line);border-radius:8px;padding:6px 12px}.file-btn[data-v-6818c29d]:hover{border-color:var(--accent)}.file-btn input[data-v-6818c29d]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;width:100%}.msg[data-v-6818c29d]{margin:6px 0 0;font-size:13px;color:var(--ok)}.msg.bad[data-v-6818c29d]{color:var(--bad)}.net[data-v-0063ed3b]{display:grid;grid-template-columns:repeat(4,auto);gap:6px;justify-content:center}.face[data-v-0063ed3b]{position:relative;display:grid;gap:2px;padding:2px;background:#0f1116;border-radius:6px}.nrow[data-v-0063ed3b]{display:flex;gap:2px}.cell[data-v-0063ed3b]{width:26px;height:26px;border:0;border-radius:4px;cursor:pointer;padding:0}.n2 .cell[data-v-0063ed3b]{width:32px;height:32px}.cell.locked[data-v-0063ed3b]{cursor:not-allowed;box-shadow:inset 0 0 0 2px #00000059}.cell[data-v-0063ed3b]:not(.locked):hover{outline:2px solid #fff}.tag[data-v-0063ed3b]{position:absolute;top:-7px;left:6px;font-size:10px;background:#0f1116;color:#8a93a6;padding:0 4px;border-radius:3px}.hint[data-v-e09c020a]{font-size:13px;color:var(--muted);margin:0 0 8px}.photos[data-v-e09c020a]{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}canvas[data-v-e09c020a]{width:100%;aspect-ratio:1;border-radius:8px;touch-action:none;cursor:grab;background:#0f1116}.file span[data-v-e09c020a]{display:block;font-size:12px;margin-bottom:4px}.file input[data-v-e09c020a]{font-size:12px;max-width:100%}.actions[data-v-e09c020a]{margin-top:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.hue-box[data-v-e09c020a]{margin-top:12px;padding:10px;background:#1b2030;border-radius:8px}.hue-head[data-v-e09c020a]{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.hue-strip[data-v-e09c020a]{width:100%;height:auto;aspect-ratio:480 / 76;border-radius:6px;cursor:default}.slider[data-v-e09c020a]{display:grid;grid-template-columns:110px 1fr 44px;align-items:center;gap:8px;margin:8px 0;font-size:13px}.slider output[data-v-e09c020a]{text-align:right;font-variant-numeric:tabular-nums}.slider input[data-v-e09c020a]{padding:0}.ai-row[data-v-e09c020a]{display:flex;flex-direction:column;gap:6px;align-items:flex-start;margin-top:6px}.ai-msg[data-v-e09c020a]{font-size:12px;color:var(--muted)}.ai-msg.ok[data-v-e09c020a]{color:var(--ok)}.ai-msg.bad[data-v-e09c020a]{color:var(--warn)}.wb[data-v-e09c020a]{display:flex;gap:8px;align-items:flex-start;margin-top:10px;font-size:13px;cursor:pointer}.wb input[data-v-e09c020a]{margin-top:3px;padding:0}.wb small[data-v-e09c020a]{display:block;color:var(--muted)}.msg[data-v-e09c020a]{font-size:13px;color:var(--ok)}.msg.warn[data-v-e09c020a]{color:var(--warn)}.result[data-v-b672f672]{border-radius:8px;padding:8px 10px;margin:8px 0;font-size:13px;line-height:1.4;overflow-wrap:anywhere}.wait[data-v-b672f672]{background:#1b2030;color:var(--muted)}.ok[data-v-b672f672]{background:#4cd9641a;border:1px solid rgba(76,217,100,.45);color:var(--ok)}.bad[data-v-b672f672]{background:#ff6b6b1a;border:1px solid rgba(255,107,107,.45);color:var(--bad)}.reply[data-v-b672f672]{margin-top:6px;padding:6px 8px;border-radius:6px;background:#0f1116;color:var(--text);white-space:pre-wrap}.reply span[data-v-b672f672]{display:block;font-size:11px;color:var(--muted);margin-bottom:2px}.field[data-v-12b272c3]{display:grid;gap:4px;margin:10px 0}.bindings[data-v-12b272c3]{width:100%;border-collapse:collapse;font-size:12px;margin:12px 0}th[data-v-12b272c3],td[data-v-12b272c3]{text-align:left;padding:6px 4px;border-bottom:1px solid var(--line)}td button[data-v-12b272c3]{margin:2px}textarea[data-v-12b272c3]{width:100%;box-sizing:border-box;font-family:monospace}.field[data-v-815de11e]{display:grid;gap:4px;margin:10px 0;font-size:12px;color:var(--muted)}.key-row[data-v-815de11e]{display:flex;gap:6px}.key-row input[data-v-815de11e]{flex:1;min-width:0}fieldset[data-v-815de11e]{border:1px solid var(--line);border-radius:10px;margin:12px 0;padding:4px 12px 8px}legend[data-v-815de11e]{padding:0 6px;font-weight:600}.tutor-head[data-v-d33fa6a4]{display:flex;align-items:center;gap:8px}.tutor-head h3[data-v-d33fa6a4]{margin:0}.link[data-v-d33fa6a4]{margin-left:auto;background:none;border:0;color:var(--accent);cursor:pointer}.settings[data-v-d33fa6a4]{display:grid;gap:8px;margin:8px 0}.settings label[data-v-d33fa6a4]{display:grid;gap:2px;font-size:12px;color:var(--muted)}.answer[data-v-d33fa6a4]{white-space:pre-line;line-height:1.45;margin:8px 0}.answer.ai[data-v-d33fa6a4]{border-left:3px solid var(--accent);padding-left:8px}.ask[data-v-d33fa6a4]{display:flex;gap:6px}.ask input[data-v-d33fa6a4]{flex:1;min-width:0}.player[data-v-5787e9c5]{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.player button[data-v-5787e9c5]{min-width:38px}.speed[data-v-5787e9c5]{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);margin-left:auto}.speed input[data-v-5787e9c5]{width:90px}.drama[data-v-5787e9c5]{display:flex;align-items:baseline;gap:8px;margin-top:8px;font-size:13px;cursor:pointer}.drama input[data-v-5787e9c5]{padding:0}.drama small[data-v-5787e9c5]{color:var(--muted)}.bar[data-v-5787e9c5]{height:4px;background:#272b36;border-radius:2px;margin:10px 0}.bar div[data-v-5787e9c5]{height:100%;background:var(--accent);border-radius:2px}.now[data-v-5787e9c5]{background:#1b2030;border-radius:8px;padding:10px;margin:8px 0}.now-stage[data-v-5787e9c5]{font-weight:600}.now-stage small[data-v-5787e9c5]{font-weight:400;color:var(--muted)}.moves[data-v-5787e9c5]{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.move[data-v-5787e9c5]{font-family:ui-monospace,Consolas,monospace;font-size:18px;padding:2px 8px;border-radius:6px;background:#272b36;color:var(--muted)}.move.done[data-v-5787e9c5]{opacity:.4}.move.active[data-v-5787e9c5]{background:var(--accent);color:#0b0d12;font-weight:700}.stages[data-v-5787e9c5]{padding-left:18px}.stages>li[data-v-5787e9c5]{margin-bottom:10px;padding:6px 8px;border-radius:8px}.stages>li.active[data-v-5787e9c5]{background:#1b2030}.stage-title[data-v-5787e9c5]{font-weight:600}.stage-title small[data-v-5787e9c5]{color:var(--muted);font-weight:400;margin-left:6px}.goal[data-v-5787e9c5]{font-size:12px;color:var(--muted)}.steps[data-v-5787e9c5]{list-style:none;padding:0;margin:6px 0 0;font-size:12px}.steps li[data-v-5787e9c5]{display:flex;gap:8px;justify-content:space-between}.step-label[data-v-5787e9c5]{color:#c9d0e0}:root{--bg: #0b0d12;--panel: #141823;--line: #272b36;--text: #e6e9f2;--muted: #8a93a6;--accent: #5ac8fa;--ok: #4cd964;--warn: #ffb340;--bad: #ff6b6b;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{display:flex;flex-direction:column;min-height:100vh}header{display:flex;align-items:center;gap:24px;padding:10px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}header h1{font-size:18px;margin:0}header h1 .logo{color:inherit;text-decoration:none}header h1 .logo:hover{color:var(--accent)}.menu-toggle{display:none}.header-actions{order:1;display:flex;flex:1;align-items:center;gap:24px}nav{display:flex;gap:6px}nav button{background:none;border-color:transparent}nav button.on{background:var(--panel);border-color:var(--line);color:var(--accent)}button.reset-view,button.undo-view{cursor:pointer;padding:3px 8px;font-size:12px;border-radius:999px}main{flex:1;display:grid;grid-template-columns:var(--left-w, minmax(0, 1fr)) 14px minmax(340px,1.5fr);gap:16px 0;padding:16px}.col-divider{cursor:col-resize;position:relative;touch-action:none}.col-divider:after{content:"";position:absolute;top:0;bottom:0;left:50%;width:4px;margin-left:-2px;border-radius:2px;background:var(--line);transition:background .15s}.col-divider:hover:after,.col-divider.dragging:after{background:var(--accent)}.quick-solve{white-space:nowrap;order:2;margin-left:auto;background:var(--accent);border-color:var(--accent);color:#0b0d12;font-weight:600}.quick-solve:disabled{background:none;border-color:var(--line);color:var(--muted)}@media(max-width:900px){main{grid-template-columns:1fr}.col-divider{display:none}}.stage{display:flex;flex-direction:column;gap:10px;min-width:0}.mobile-controls{display:none}@media(max-width:800px){header{position:relative;z-index:101;flex-wrap:nowrap;gap:8px;padding:8px max(12px,env(safe-area-inset-right,0px)) 8px max(12px,env(safe-area-inset-left,0px))}.menu-toggle{order:2;display:block;margin-left:0;min-width:48px;min-height:48px;font-size:24px;touch-action:manipulation}.header-actions{order:3;display:none;position:absolute;top:100%;left:0;right:0;padding:12px;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:0 8px 16px #0006}.header-actions.open{display:flex;flex-direction:column;align-items:stretch;gap:8px}.header-actions nav{flex-direction:column}.header-actions button{min-height:48px;text-align:left}header h1{font-size:clamp(14px,4vw,18px)}header>.quick-solve{order:1;flex:0 0 72px;min-height:48px;padding:4px;font-size:12px}}@media(hover:none)and (pointer:coarse),(max-width:600px){main{grid-template-columns:minmax(0,1fr);padding:0}.col-divider{display:none}main .viewport{width:100%;border-left:0;border-right:0;border-radius:0}.stage>:not(.viewport),main>aside{margin-left:16px;margin-right:16px}.app{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}.mobile-controls{position:fixed;z-index:100;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;padding:8px 8px calc(8px + env(safe-area-inset-bottom,0px));background:var(--panel);border-top:1px solid var(--line)}.mobile-controls button{min-height:48px;padding:6px 2px;font-size:12px;touch-action:manipulation}.mobile-controls button.on{background:var(--accent);border-color:var(--accent);color:var(--bg)}.mobile-controls span{grid-column:1 / -1;font-size:12px;text-align:center}.mobile-hint{color:var(--muted)}.viewport:fullscreen .mobile-controls{display:grid}}.viewport{position:relative;height:min(62vh,640px);min-height:340px;background:radial-gradient(circle at 50% 35%,#1c2233,#0e111a 70%);border:1px solid var(--line);border-radius:14px;overflow:hidden}.overlay{position:absolute;top:10px;left:10px;right:10px;display:flex;gap:8px;align-items:start;pointer-events:none}.overlay>*{pointer-events:auto}.view-controls{display:flex;gap:4px}.touch-mode-toggle{display:none}.mouse-drag-control{display:flex;align-items:center;gap:6px;margin-top:8px;font-size:13px}.zoom-control{display:none;align-items:center;gap:4px;font-size:12px}.frame-height-control{display:none}.zoom-control input{width:120px;min-width:0;min-height:44px;margin:0;padding:0;touch-action:pan-x}@media(hover:none)and (pointer:coarse),(max-width:600px){.mouse-drag-control{display:none}.view-controls{flex-direction:column}.undo-view{display:none}.frame-height-control{position:absolute;top:10px;right:6px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;color:var(--muted)}.frame-height-control input{writing-mode:vertical-lr;direction:rtl;width:44px;height:140px;padding:0;margin:0;touch-action:none}.viewport:fullscreen .frame-height-control{display:none}.overlay .reset-view{min-height:44px}.zoom-control{display:flex;height:44px}.overlay .validity.ok,.overlay .badge.ok{display:none}main .viewport{height:var(--touch-frame-height, calc(100vh - var(--mobile-header-height) - var(--mobile-bar-height)))!important;height:var(--touch-frame-height, calc(100dvh - var(--mobile-header-height) - var(--mobile-bar-height)))!important;min-height:0}.viewport .cube-host{min-height:0}main .viewport:fullscreen{height:100vh!important;height:100dvh!important}.touch-mode-toggle{display:block;min-height:44px}.overlay{flex-wrap:wrap;right:60px}.overlay .validity{max-width:100%}}.validity{margin-left:auto;background:#1b2030eb;border:1px solid var(--line);border-radius:8px;padding:4px;max-width:320px;font-size:13px;text-align:right}.validity .small{font-size:12px;margin:0}.validity ul{margin:0;padding-left:16px;text-align:left}.brush-chip{display:none;padding:3px;background:#1b2030;border:1px solid var(--line);border-radius:8px}.brush-chip i{display:block;width:38px;height:26px;border-radius:5px;box-shadow:0 0 0 2px #000 inset}.badge{background:#1b2030;border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12px}.badge.ok{color:var(--ok)}.countdown{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;pointer-events:none}.countdown span{font-size:clamp(110px,22vh,220px);font-weight:800;line-height:1;color:#fff;text-shadow:0 0 24px rgba(255,170,60,.95),0 0 70px rgba(255,90,30,.8),0 6px 0 rgba(0,0,0,.35);animation:countdown-pop 1s ease-out both}.resize-handle{position:absolute;left:0;right:0;bottom:0;height:10px;cursor:ns-resize;background:linear-gradient(90deg,#ffffff08,#ffffff03);z-index:20}.exit-fullscreen{margin-left:8px;background:#b23;color:#fff;border:none;padding:6px 8px;border-radius:6px}.drama-speed input[type=range]{width:140px;margin-left:8px;vertical-align:middle}.fullscreen-mode small{display:block;color:var(--muted);font-size:11px}@keyframes countdown-pop{0%{transform:scale(2.6);opacity:0}18%{transform:scale(1);opacity:1}80%{transform:scale(.92);opacity:1}to{transform:scale(.7);opacity:0}}.keys{color:var(--muted);font-size:12px;margin:0}aside{min-width:0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px;max-height:calc(100vh - 100px);overflow:auto}.panel h2{margin:0 0 10px;font-size:17px}.panel h3{margin:16px 0 6px;font-size:14px}button,select,input{font:inherit;color:var(--text);background:#1b2030;border:1px solid var(--line);border-radius:8px;padding:6px 12px}button{cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:not-allowed}button.primary,button.on{background:var(--accent);color:#0b0d12;border-color:var(--accent);font-weight:600}input[type=range]{padding:0}.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:8px 0}.label{color:var(--muted)}.seg{display:inline-flex}.seg button:first-child{border-radius:8px 0 0 8px}.seg button:last-child{border-radius:0 8px 8px 0}.palette{display:flex;gap:4px;margin:8px 0}.swatch-box{display:inline-flex;padding:3px;border:3px solid transparent;border-radius:10px}.swatch-box.on{border-color:var(--accent)}.swatch{width:34px;height:34px;border-radius:50%;padding:0;border:0}.note{color:var(--muted);font-size:12px}.status.ok{color:var(--ok)}.status.bad{color:var(--bad);padding-left:18px;margin:0}.pill{background:#1b2030;border:1px solid var(--line);border-radius:999px;padding:1px 8px;font-size:11px;color:var(--muted)}code{font-family:ui-monospace,Consolas,monospace;background:#0f1116;padding:1px 6px;border-radius:4px}details.photos{margin:14px 0;background:#1b2030;border-radius:8px;padding:8px 10px}details.photos summary{cursor:pointer;font-weight:600}
