:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#13151a;--panel:#1c1f27;--panel-2:#242834;--text:#e8eaf0;--muted:#9aa1b0;--accent:#4f8cff;--danger:#ff6b6b;--ok:#4cd97b}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app{flex-direction:column;height:100%;display:flex}.app-header{background:var(--panel);border-bottom:1px solid #0008;align-items:center;gap:20px;padding:10px 18px;display:flex}.app-header h1{white-space:nowrap;margin:0;font-size:17px}.tabs{flex:1;gap:6px;display:flex}.tab{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:7px 14px;font-size:14px}.tab:hover{color:var(--text)}.tab.active{background:var(--panel-2);color:var(--text);border-color:#ffffff14}.course-link{color:var(--muted);font-size:13px;text-decoration:none}.course-link:hover{color:var(--text)}.app-main{flex:1;min-height:0;display:flex}.cube-canvas-wrap{flex:1;min-width:0;position:relative}.cube-canvas{touch-action:none;width:100%;height:100%;display:block}.gimbal{-webkit-user-select:none;user-select:none;position:absolute;top:12px;right:12px}.gimbal-knob{cursor:pointer}.gimbal-knob:hover circle{stroke-width:2.5px;stroke-opacity:1}.gimbal-knob text{pointer-events:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.canvas-overlay{text-align:center;color:var(--muted);background:#000a;justify-content:center;align-items:center;padding:40px;display:flex;position:absolute;inset:0}.side-panel{background:var(--panel);border-left:1px solid #0008;flex-direction:column;gap:16px;width:380px;padding:16px;display:flex;overflow-y:auto}.move-pad{flex-direction:column;gap:8px;display:flex}.move-row{gap:6px;display:flex}.move-btn{background:var(--panel-2);color:var(--text);cursor:pointer;border:1px solid #ffffff10;border-radius:8px;flex:1;padding:9px 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px}.move-btn:hover{border-color:var(--accent)}.move-btn.active{border-color:var(--accent);background:var(--accent);color:#08210f;font-weight:700}.wide-btn{background:var(--panel-2);color:var(--text);cursor:pointer;border:1px solid #ffffff10;border-radius:8px;flex:1;padding:10px 12px;font-size:14px}.wide-btn:disabled{opacity:.4;cursor:default}.wide-btn.primary{background:var(--accent);color:#fff;border-color:#0000}.wide-btn.primary:hover{filter:brightness(1.1)}.hint-text{color:var(--muted);margin:4px 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#ffb347aa}.scan-diagnostic{color:#ffb347}.scan-steady{background:#7fff9b;border-radius:2px;height:4px;transition:width 60ms linear;position:absolute;bottom:-8px;left:0}.scan-chips{gap:8px;display:flex}.scan-chip{border:2px solid #888;border-radius:6px;grid-template-rows:repeat(3,12px);grid-template-columns:repeat(3,12px);gap:1px;padding:2px;display:grid}.scan-chip.partial{opacity:.6;border-style:dashed}.scan-chip.empty{border:2px dashed #fff3;border-radius:6px;width:44px;height:44px}.scan-chip-cell{border-radius:2px}.trainer-panel{border-bottom:1px solid #ffffff12;flex-direction:column;gap:12px;padding-bottom:12px;display:flex}.trainer-controls{gap:8px;display:flex}.trainer-controls select{background:var(--panel-2);color:var(--text);border:1px solid #ffffff10;border-radius:8px;flex:1;padding:8px;font-size:13px}.case-grid{flex-direction:column;gap:10px;display:flex}.case-group-label{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 6px;font-size:11px}.case-tiles{grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:6px;display:grid}.case-tile{background:var(--panel-2);cursor:pointer;border:1px solid #ffffff10;border-radius:8px;flex-direction:column;align-items:center;gap:2px;padding:5px 3px 3px;display:flex}.case-tile:hover{border-color:#ffffff35}.case-tile.active{border-color:var(--accent)}.case-tile span{color:var(--muted);font-size:10px}.trainer-case{background:var(--panel-2);border-radius:10px;flex-direction:column;gap:10px;padding:12px;display:flex}.case-desc{margin:0;font-size:14px;line-height:1.45}.trainer-timer{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:22px}.timer-idle{color:var(--muted);font-size:13px}.timer-running{color:var(--accent)}.timer-done{color:var(--ok)}.hint-alg{background:#0006;border-radius:8px;margin:0;padding:8px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px}.trainer-stats{color:var(--muted);flex-wrap:wrap;gap:14px;font-size:12px;display:flex}@media (width<=900px){.app-main{flex-direction:column}.side-panel{border-top:1px solid #0008;border-left:none;width:100%}.cube-canvas-wrap{min-height:45vh}}.advisor-panel{border-bottom:1px solid #ffffff12;flex-direction:column;gap:10px;padding-bottom:14px;display:flex}.advisor-header{justify-content:space-between;align-items:baseline;display:flex}.advisor-header h2{margin:0;font-size:15px}.advisor-cross{color:var(--muted);font-size:12px}.advisor-lede{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.advisor-list{flex-direction:column;gap:6px;margin:0;padding-left:4px;font-size:13px;list-style:none;display:flex}.color-dot{vertical-align:-1px;border:1px solid #0008;border-radius:3px;width:12px;height:12px;margin-right:3px;display:inline-block}.advisor-pair{background:var(--panel-2);border-radius:10px;flex-direction:column;gap:8px;padding:10px 12px;display:flex}.advisor-pair-head{align-items:center;gap:6px;font-size:13px;display:flex}.advisor-rank{background:var(--accent);color:#fff;border-radius:6px;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;font-weight:600;display:inline-flex}.advisor-pair-name{font-weight:600}.advisor-reason{color:var(--muted);text-align:right;margin-left:auto;font-size:12px}.advisor-locations{color:var(--muted);margin:0;font-size:12px}.advisor-steps{flex-direction:column;gap:4px;margin:0;padding-left:18px;font-size:13px;line-height:1.55;display:flex}.advisor-alg{background:#0006;border-radius:6px;margin-top:3px;padding:3px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;display:block}.alg-token{border-radius:4px;padding:0 3px;display:inline-block}.alg-token+.alg-token{margin-left:4px}.alg-token.active{color:var(--accent);background:#7fff9b22;font-weight:700}.alg-token.done{opacity:.45}.move-flash-layer{pointer-events:none;justify-content:center;display:flex;position:absolute;top:10%;left:0;right:0}.move-flash{color:#fff;text-shadow:0 2px 14px #000c;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:48px;font-weight:700;animation:1s ease-out forwards move-flash;position:absolute}@keyframes move-flash{0%{opacity:0;transform:translateY(12px)scale(1.15)}12%{opacity:1;transform:translateY(0)scale(1)}to{opacity:0;transform:translateY(-52px)scale(.35)}}.walkthrough{flex-direction:column;gap:10px;display:flex}.walkthrough-progress{color:var(--muted);justify-content:space-between;align-items:center;font-size:12px;display:flex}.walkthrough-close{color:var(--muted);cursor:pointer;background:0 0;border:none;font-size:12px;text-decoration:underline}.walkthrough-close:hover{color:var(--text)}.walkthrough-current{background:var(--panel-2);border-radius:10px;flex-direction:column;gap:8px;padding:12px;display:flex}.walkthrough-why{margin:0;font-size:14px;line-height:1.5}.walkthrough-detail{color:var(--muted);margin:0;font-size:12px}.walkthrough-upcoming{color:var(--muted);flex-direction:column;gap:4px;margin:0;padding-left:20px;font-size:12px;line-height:1.6;display:flex}.phase-chip{letter-spacing:.5px;vertical-align:1px;border-radius:999px;padding:2px 7px;font-size:10px;font-weight:700;display:inline-block}.phase-cross{color:#b8f0b8;background:#3d5a3d}.phase-f2l{color:#b8d0ff;background:#3d4a6a}.phase-oll{color:#ffe9a8;background:#6a5a2d}.phase-pll{color:#edb8ff;background:#5d3d6a}