@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Space+Grotesk:wght@400;600;700&display=swap";:root{--bg-color:#05070f;--panel-bg:#0a0f1eb3;--panel-border:#00f0ff26;--text-primary:#fff;--text-secondary:#8e9bb4;--neon-cyan:#00f0ff;--neon-pink:#ff007f;--neon-green:#39ff14;--neon-purple:#bd00ff;--glow-shadow:0 0 15px #00f0ff66;--glass-shadow:0 8px 32px 0 #00000080;--transition-speed:.3s}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;margin:0;padding:0;font-family:Outfit,sans-serif}body{background-color:var(--bg-color);color:var(--text-primary);flex-direction:column;width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}body:before{content:"";z-index:0;pointer-events:none;background:radial-gradient(circle,#00f0ff1f 0%,#0000 70%);width:50%;height:50%;position:absolute;top:-10%;left:-10%}body:after{content:"";z-index:0;pointer-events:none;background:radial-gradient(circle,#ff007f14 0%,#0000 70%);width:50%;height:50%;position:absolute;bottom:-10%;right:-10%}#app{z-index:1;flex-direction:column;width:100%;height:100%;display:flex}header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--panel-border);background:#080a12cc;justify-content:space-between;align-items:center;height:60px;padding:0 30px;display:flex;box-shadow:0 4px 20px #0000004d}.logo-container{align-items:center;gap:12px;display:flex}.logo-text{letter-spacing:2px;background:linear-gradient(45deg, var(--neon-cyan), var(--neon-pink));-webkit-text-fill-color:transparent;text-shadow:0 0 10px #00f0ff33;-webkit-background-clip:text;font-family:Space Grotesk,sans-serif;font-size:1.4rem;font-weight:700}.logo-badge{border:1px solid var(--neon-cyan);color:var(--neon-cyan);text-shadow:0 0 5px #00f0ff80;background:#00f0ff1a;border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:600;box-shadow:0 0 5px #00f0ff33}.header-status{align-items:center;gap:20px;display:flex}.status-item{color:var(--text-secondary);font-size:.85rem}.status-val{color:var(--neon-cyan);font-weight:600}.dashboard{flex:1;grid-template-columns:320px 1fr 340px;gap:20px;height:calc(100vh - 60px);padding:20px;display:grid;overflow:hidden}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--panel-border);box-shadow:var(--glass-shadow);transition:border-color var(--transition-speed);border-radius:16px;flex-direction:column;display:flex;overflow:hidden}.glass-panel:hover{border-color:#00f0ff4d}.panel-header{border-bottom:1px solid var(--panel-border);justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.panel-header h2{color:var(--text-primary);letter-spacing:.5px;font-family:Space Grotesk,sans-serif;font-size:1.1rem;font-weight:600}.panel-body{flex:1;padding:20px;overflow-y:auto}.curriculum-list{flex-direction:column;gap:15px;display:flex}.curriculum-card{cursor:pointer;transition:all var(--transition-speed);background:#ffffff05;border:1px solid #ffffff0d;border-radius:12px;padding:15px}.curriculum-card:hover,.curriculum-card.active{border-color:var(--neon-cyan);background:#00f0ff08;box-shadow:0 0 10px #00f0ff1a}.curriculum-card.active{box-shadow:0 0 15px #00f0ff26}.card-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.card-step{text-transform:uppercase;letter-spacing:1px;color:var(--neon-pink);font-size:.75rem;font-weight:800}.curriculum-card.active .card-step{color:var(--neon-cyan)}.card-title{font-family:Space Grotesk,sans-serif;font-size:1rem;font-weight:600}.card-desc{color:var(--text-secondary);font-size:.8rem;line-height:1.4}.isolate-btn{color:var(--neon-cyan);cursor:pointer;transition:all var(--transition-speed);background:0 0;border:1px solid #00f0ff4d;border-radius:6px;align-items:center;gap:6px;margin-top:10px;padding:4px 10px;font-size:.75rem;font-weight:600;display:flex}.isolate-btn:hover{box-shadow:var(--glow-shadow);background:#00f0ff1a}.isolate-btn.active{background:var(--neon-cyan);color:#000;border-color:var(--neon-cyan)}.center-viewport{flex-direction:column;display:flex;position:relative}.three-container{border-radius:16px;flex:1;width:100%;overflow:hidden}.solve-overlay{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--panel-border);box-shadow:var(--glass-shadow);z-index:10;pointer-events:auto;opacity:0;transition:all var(--transition-speed);background:#080a12d9;border-radius:12px;justify-content:space-between;align-items:center;padding:15px 20px;display:flex;position:absolute;top:20px;left:20px;right:20px;transform:translateY(-10px)}.solve-overlay.visible{opacity:1;transform:translateY(0)}.solve-info{flex-direction:column;gap:4px;display:flex}.solve-status-title{text-transform:uppercase;color:var(--neon-cyan);letter-spacing:.5px;font-size:.75rem;font-weight:700}.solve-status-desc{color:var(--text-primary);font-size:.9rem;font-weight:600}.solve-badge{color:var(--neon-green);border:1px solid var(--neon-green);background:#39ff1426;border-radius:6px;padding:4px 10px;font-size:.8rem;font-weight:600}.viewport-hud{z-index:10;gap:10px;display:flex;position:absolute;bottom:20px;left:20px}.hud-btn{border:1px solid var(--panel-border);color:var(--text-primary);cursor:pointer;width:40px;height:40px;transition:all var(--transition-speed);background:#080a12cc;border-radius:8px;justify-content:center;align-items:center;display:flex}.hud-btn:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);box-shadow:var(--glow-shadow)}.control-sidebar{flex-direction:column;gap:20px;display:flex}.btn-primary{background:linear-gradient(135deg, var(--neon-cyan), #00a8ff);color:#000;cursor:pointer;transition:all var(--transition-speed);text-transform:uppercase;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:14px 20px;font-family:Space Grotesk,sans-serif;font-size:1rem;font-weight:700;display:flex;box-shadow:0 4px 15px #00f0ff40}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 25px #00f0ff80}.btn-primary:active{transform:translateY(0)}.btn-secondary{border:1px solid var(--panel-border);color:var(--text-primary);cursor:pointer;transition:all var(--transition-speed);background:#ffffff0d;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:12px 20px;font-family:Space Grotesk,sans-serif;font-size:.95rem;font-weight:600;display:flex}.btn-secondary:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);background:#00f0ff0d}.actions-row{grid-template-columns:1fr 1fr;gap:10px;margin-top:15px;display:grid}.scramble-box{border:1px dashed var(--panel-border);color:var(--neon-cyan);word-break:break-all;text-align:center;background:#0003;border-radius:8px;justify-content:center;align-items:center;min-height:45px;padding:12px;font-family:Space Grotesk,monospace;font-size:.9rem;display:flex}.timeline-section{border-top:1px solid var(--panel-border);margin-top:15px;padding-top:15px}.timeline-controls{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.play-controls{gap:8px;display:flex}.scrubber-container{align-items:center;gap:12px;display:flex}.scrubber-slider{appearance:none;cursor:pointer;background:#ffffff1a;border-radius:3px;outline:none;flex:1;height:6px}.scrubber-slider::-webkit-slider-thumb{appearance:none;background:var(--neon-cyan);width:14px;height:14px;box-shadow:var(--glow-shadow);border-radius:50%;transition:transform .1s}.scrubber-slider::-webkit-slider-thumb:hover{transform:scale(1.3)}.scrubber-text{color:var(--text-secondary);text-align:right;min-width:45px;font-size:.8rem}.keyboard-overlay{flex-direction:column;gap:8px;margin-top:15px;display:flex}.kb-title{text-transform:uppercase;color:var(--text-secondary);letter-spacing:.5px;font-size:.8rem;font-weight:600}.keyboard-grid{grid-template-columns:repeat(6,1fr);gap:6px;display:grid}.key-btn{color:var(--text-primary);cursor:pointer;transition:all var(--transition-speed);background:#ffffff08;border:1px solid #ffffff14;border-radius:6px;padding:8px 0;font-family:Space Grotesk,sans-serif;font-size:.9rem;font-weight:600}.key-btn:hover{border-color:var(--neon-pink);color:var(--neon-pink);box-shadow:0 0 10px #ff007f33}.key-btn:active{background:#ff007f1a}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#0000001a}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}.step-list{flex-direction:column;gap:6px;max-height:200px;margin-top:10px;padding-right:4px;display:flex;overflow-y:auto}.step-item{cursor:pointer;transition:all var(--transition-speed);background:#ffffff05;border:1px solid #ffffff0d;border-radius:8px;justify-content:space-between;align-items:center;padding:10px 12px;display:flex}.step-item:hover,.step-item.active{background:#00f0ff05;border-color:#00f0ff4d}.step-item.active{border-color:var(--neon-cyan);background:#00f0ff0a}.step-label{font-size:.85rem;font-weight:600}.step-moves{color:var(--neon-cyan);font-family:Space Grotesk,monospace;font-size:.85rem;font-weight:600}.curriculum-info{color:var(--text-secondary);background:#0003;border:1px solid #00f0ff1a;border-radius:8px;margin-top:10px;padding:12px;font-size:.8rem;line-height:1.4}.info-title{color:var(--neon-cyan);margin-bottom:4px;font-weight:600}.split-viewport-container{box-shadow:inset 0 0 20px #0009}.split-pane{background:#070912;transition:all .3s}.pane-label{text-shadow:0 0 5px #00f0ff66}#btn-toggle-compete.active{border-color:var(--neon-pink)!important;background:#ff007f26!important;box-shadow:0 0 12px #ff007f66!important}.compete-timer{text-shadow:0 0 8px #00f0ff33;font-family:Space Grotesk,monospace;font-weight:600}.btn-tab{transition:all var(--transition-speed)}.btn-tab.active{box-shadow:0 0 10px #00f0ff33}.lesson-card{cursor:pointer;transition:all var(--transition-speed);background:#ffffff05;border:1px solid #ffffff0d;border-radius:12px;flex-direction:column;gap:8px;padding:15px;display:flex}.lesson-card:hover,.lesson-card.active{border-color:var(--neon-green);background:#39ff1405;box-shadow:0 0 10px #39ff141a}.lesson-card.active{background:#39ff140a}.lesson-card-header{justify-content:space-between;align-items:center;display:flex}.lesson-card-step{text-transform:uppercase;color:var(--neon-green);letter-spacing:1px;font-size:.7rem;font-weight:600}.lesson-card-title{color:#fff;font-size:1.05rem;font-weight:600}.lesson-card-desc{color:var(--text-secondary);font-size:.8rem;line-height:1.4}.lesson-btn-start{border:1px solid var(--neon-green);color:var(--neon-green);cursor:pointer;transition:all var(--transition-speed);background:#39ff141a;border-radius:6px;align-self:flex-start;padding:5px 12px;font-size:.75rem;font-weight:600}.lesson-btn-start:hover{background:var(--neon-green);color:#000;box-shadow:0 0 10px var(--neon-green)}.btn-sub-tab{color:var(--text-secondary);transition:all var(--transition-speed);background:#ffffff05;border:1px solid #ffffff1a}.btn-sub-tab.active{border-color:var(--neon-cyan);color:var(--neon-cyan);background:#00f0ff0d;box-shadow:0 0 8px #00f0ff26}#onboarding-modal .glass-panel{animation:modalSlideUp var(--transition-speed) cubic-bezier(.16, 1, .3, 1)}@keyframes modalSlideUp{0%{transform:translateY(20px)}to{transform:translateY(0)}}.toast-alert{animation:.3s toastFadeIn}@keyframes toastFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.piece-chip{color:var(--text-secondary);background:#ffffff08;border:1px solid #ffffff14;border-radius:4px;justify-content:center;align-items:center;padding:4px 6px;font-family:monospace;font-size:.7rem;font-weight:700;display:flex}.piece-chip.solved{border-color:var(--neon-green);color:var(--neon-green);text-shadow:0 0 5px #39ff144d;background:#39ff141a}#btn-toggle-intuition.active{border-color:var(--neon-cyan)!important;background:#00f0ff26!important;box-shadow:0 0 12px #00f0ff66!important}