@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap";:root{--font-display: "Outfit", system-ui, sans-serif;--font-base: "Outfit", system-ui, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", monospace;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--header-height: 52px;--panel-width: 380px;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--duration-fast: .12s;--duration-normal: .2s;--duration-slow: .35s;--duration-glow: .6s;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-xl: 24px;--radius-pill: 100px;--color-bg: #0c0a09;--color-bg-warm: #110e0c;--color-surface: rgba(28, 25, 23, .55);--color-surface-solid: #1c1917;--color-surface-hover: rgba(41, 37, 36, .7);--color-text: #fafaf9;--color-text-secondary: #a8a29e;--color-text-tertiary: #78716c;--color-border: rgba(255, 255, 255, .07);--color-border-hover: rgba(255, 255, 255, .14);--color-overlay: rgba(5, 3, 2, .75);--color-accent: #f59e0b;--color-accent-dim: rgba(245, 158, 11, .15);--color-accent-glow: rgba(245, 158, 11, .25);--color-accent-subtle: rgba(245, 158, 11, .08);--color-danger: #ef4444;--color-success: #22c55e;--color-focus: #818cf8;--glass-bg: rgba(28, 25, 23, .5);--glass-bg-strong: rgba(28, 25, 23, .72);--glass-border: rgba(255, 255, 255, .06);--glass-border-hover: rgba(255, 255, 255, .12);--glass-blur: blur(16px);--glass-blur-strong: blur(24px);--glow-amber-sm: 0 0 12px rgba(245, 158, 11, .12);--glow-amber-md: 0 0 24px rgba(245, 158, 11, .18);--glow-amber-lg: 0 0 48px rgba(245, 158, 11, .22);--glow-amber-text: 0 0 40px rgba(245, 158, 11, .2), 0 0 80px rgba(245, 158, 11, .08);--glow-green: 0 0 30px rgba(34, 197, 94, .35);--glow-green-text: 0 0 40px rgba(34, 197, 94, .3), 0 0 80px rgba(34, 197, 94, .1);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .5);--shadow-md: 0 4px 20px rgba(0, 0, 0, .45);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .55);--shadow-panel: -8px 0 40px rgba(0, 0, 0, .6);--shadow-inset: inset 0 1px 0 rgba(255, 255, 255, .04);--face-front: #16a34a;--face-back: #2563eb;--face-up: #fafafa;--face-down: #fbbf24;--face-right: #dc2626;--face-left: #ea580c;--color-muted: var(--color-text-secondary);--color-bg-start: #0c0a09;--color-bg-end: #0c0a09;--color-panel-bg-soft: rgba(28, 25, 23, .3);--color-bg-elevated: var(--color-surface-solid);--color-hover: var(--color-surface-hover);--color-panel: var(--color-surface-solid);--color-active: var(--color-surface-hover);--transition-speed: var(--duration-normal)}:root[data-theme=light]{--color-bg: #faf8f6;--color-bg-warm: #f5f0eb;--color-surface: rgba(255, 255, 255, .65);--color-surface-solid: #ffffff;--color-surface-hover: rgba(245, 240, 235, .8);--color-text: #1c1917;--color-text-secondary: #57534e;--color-text-tertiary: #a8a29e;--color-border: rgba(0, 0, 0, .07);--color-border-hover: rgba(0, 0, 0, .14);--color-overlay: rgba(28, 25, 23, .45);--color-accent: #d97706;--color-accent-dim: rgba(217, 119, 6, .12);--color-accent-glow: rgba(217, 119, 6, .18);--color-accent-subtle: rgba(217, 119, 6, .06);--glass-bg: rgba(255, 255, 255, .55);--glass-bg-strong: rgba(255, 255, 255, .75);--glass-border: rgba(0, 0, 0, .05);--glass-border-hover: rgba(0, 0, 0, .1);--glow-amber-sm: 0 0 12px rgba(217, 119, 6, .08);--glow-amber-md: 0 0 24px rgba(217, 119, 6, .12);--glow-amber-lg: 0 0 48px rgba(217, 119, 6, .15);--glow-amber-text: 0 0 30px rgba(217, 119, 6, .12);--shadow-panel: -8px 0 40px rgba(0, 0, 0, .12);--shadow-inset: inset 0 1px 0 rgba(255, 255, 255, .6);--color-muted: var(--color-text-secondary);--color-bg-start: #faf8f6;--color-bg-end: #faf8f6;--color-panel-bg-soft: rgba(255, 255, 255, .5);--color-bg-elevated: var(--color-surface-solid);--color-hover: var(--color-surface-hover);--color-panel: var(--color-surface-solid);--color-active: var(--color-surface-hover)}#tutorial-modal.hide,#onboarding.hide{display:none!important}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:var(--font-base);font-weight:400;background:var(--color-bg);color:var(--color-text);display:flex;flex-direction:column;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(245,158,11,.07) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 70% 0%,rgba(234,88,12,.04) 0%,transparent 50%),radial-gradient(ellipse 50% 60% at 30% 100%,rgba(120,113,108,.03) 0%,transparent 50%);pointer-events:none;z-index:0}body:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter 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#0003;position:relative;z-index:100}.header-left,.header-right{display:flex;align-items:center;gap:var(--space-2)}.header-center{position:absolute;left:50%;transform:translate(-50%)}.header-title{font-family:var(--font-display);font-size:.9375rem;font-weight:600;letter-spacing:.02em;color:var(--color-text-secondary)}.header-btn{width:40px;height:40px;display:grid;place-items:center;background:transparent;border:1px solid transparent;border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--duration-normal) var(--ease-out)}.header-btn:hover{color:var(--color-text);background:var(--color-accent-subtle);border-color:var(--glass-border-hover);box-shadow:var(--glow-amber-sm)}.header-btn svg{display:block}.cube-selector{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23f59e0b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;border:1px solid var(--glass-border);border-radius:var(--radius-pill);color:var(--color-text);padding:.5rem 2.25rem .5rem 1rem;font-family:var(--font-display);font-size:.875rem;font-weight:600;letter-spacing:.02em;cursor:pointer;min-width:88px;text-align:center;transition:all var(--duration-normal) var(--ease-out);box-shadow:var(--shadow-inset)}.cube-selector:hover{border-color:var(--color-accent-dim);box-shadow:var(--glow-amber-sm),var(--shadow-inset)}.cube-selector:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.menu-btn{display:none}@media (max-width: 700px){.menu-btn{display:grid}.header-title{display:none}}.hero{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-5);gap:var(--space-5);min-height:0;position:relative;z-index:1}.scramble-bar{display:flex;align-items:center;gap:var(--space-3);max-width:600px;width:100%;transition:opacity var(--duration-slow) var(--ease-out)}.scramble-btn{flex-shrink:0;width:38px;height:38px;display:grid;place-items:center;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--duration-slow) var(--ease-out);box-shadow:var(--shadow-inset)}.scramble-btn:hover{color:var(--color-accent);border-color:var(--color-accent-dim);box-shadow:var(--glow-amber-sm),var(--shadow-inset);transform:rotate(180deg)}.scramble-btn:active{transform:rotate(180deg) scale(.92)}.scramble-text{font-family:var(--font-mono);font-size:.8rem;font-weight:400;line-height:1.6;letter-spacing:.03em;color:var(--color-text-secondary);word-break:break-word;text-align:center;flex:1}.cube-area{display:flex;align-items:center;justify-content:center;width:clamp(220px,40vw,320px);height:clamp(220px,40vw,320px);position:relative;transition:opacity var(--duration-slow) var(--ease-out)}.cube-area:before{content:"";position:absolute;top:-20px;right:-20px;bottom:-20px;left:-20px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.06) 0%,transparent 70%);pointer-events:none;animation:cubeHaloPulse 4s ease-in-out infinite}@keyframes cubeHaloPulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.three-cube-container{width:100%;height:100%;overflow:visible;background:transparent;position:relative;z-index:1}.three-cube-container canvas{display:block;width:100%;height:100%}.timer-area{display:flex;flex-direction:column;align-items:center;gap:var(--space-2)}.timer-display{font-family:var(--font-display);font-size:clamp(4rem,18vw,7rem);font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;color:var(--color-text);text-shadow:var(--glow-amber-text);transition:color var(--duration-slow),text-shadow var(--duration-slow)}.timer-hint{font-family:var(--font-display);font-size:.6875rem;font-weight:500;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.12em}.inspection-display{font-family:var(--font-display);font-size:1.25rem;font-weight:700;color:var(--color-text-secondary);text-shadow:var(--glow-amber-sm)}.inspection-display.inspection-over{color:var(--color-accent);text-shadow:var(--glow-amber-md)}body.timing .scramble-bar,body.timing .cube-area{opacity:.2;transform:scale(.98);transition:all var(--duration-normal) var(--ease-out)}body:not(.timing) .scramble-bar,body:not(.timing) .cube-area{transition:all var(--duration-slow) var(--ease-out)}body.timing .timer-display{text-shadow:var(--glow-amber-lg)}.timer-flash{color:var(--color-accent)!important;text-shadow:0 0 60px rgba(245,158,11,.5),0 0 120px rgba(245,158,11,.2)!important}.timer-pb{color:var(--color-success)!important;text-shadow:var(--glow-green-text)!important;animation:pbPulse 1.5s ease-out}@keyframes pbPulse{0%{transform:scale(1.05)}50%{transform:scale(1)}to{transform:scale(1)}}.stats-bar{display:flex;align-items:center;padding:var(--space-3) var(--space-4);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-inset),var(--shadow-md);gap:0}.stat-pill{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--space-1) var(--space-4);cursor:pointer;border-radius:var(--radius-md);transition:all var(--duration-normal) var(--ease-out);position:relative}.stat-pill+.stat-pill:before{content:"";position:absolute;left:0;top:20%;height:60%;width:1px;background:var(--color-border)}.stat-pill:hover{background:var(--color-accent-subtle)}.stat-pill .stat-label{font-family:var(--font-display);font-size:.625rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-tertiary)}.stat-pill .stat-value{font-family:var(--font-display);font-size:1.0625rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--color-text)}.stat-more{background:transparent;border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--color-text-secondary);padding:var(--space-1) var(--space-3);font-size:.75rem;cursor:pointer;transition:all var(--duration-fast)}.stat-more:hover{background:var(--color-accent-subtle);box-shadow:var(--glow-amber-sm)}.slide-panel{position:fixed;top:0;right:0;width:min(var(--panel-width),100vw);height:100%;background:var(--glass-bg-strong);-webkit-backdrop-filter:var(--glass-blur-strong);backdrop-filter:var(--glass-blur-strong);border-left:1px solid var(--glass-border);box-shadow:var(--shadow-panel);z-index:200;display:flex;flex-direction:column;transform:translate(100%);transition:transform var(--duration-slow) var(--ease-out)}.slide-panel.slide-left{left:0;right:auto;border-left:none;border-right:1px solid var(--glass-border);box-shadow:8px 0 40px #0009;transform:translate(-100%)}.slide-panel:not(.hide){transform:translate(0)}.panel-header{height:var(--header-height);padding:0 var(--space-5);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--glass-border);flex-shrink:0}.panel-title{font-family:var(--font-display);font-size:1rem;font-weight:700;letter-spacing:.01em}.panel-close{width:36px;height:36px;display:grid;place-items:center;background:transparent;border:1px solid transparent;border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:1.375rem;cursor:pointer;transition:all var(--duration-fast)}.panel-close:hover{color:var(--color-text);background:var(--color-accent-subtle);border-color:var(--glass-border-hover)}.panel-tabs{display:flex;border-bottom:1px solid var(--glass-border);padding:0 var(--space-4);flex-shrink:0}.tab-btn{flex:1;padding:var(--space-3) var(--space-2);background:transparent;border:none;border-bottom:2px solid transparent;color:var(--color-text-tertiary);font-family:var(--font-display);font-size:.8125rem;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:all var(--duration-normal);position:relative}.tab-btn:hover{color:var(--color-text-secondary)}.tab-btn.active{color:var(--color-accent);border-bottom-color:var(--color-accent);text-shadow:0 0 12px var(--color-accent-glow)}.tab-btn.active:after{content:"";position:absolute;bottom:-2px;left:20%;right:20%;height:2px;box-shadow:0 2px 10px var(--color-accent-glow),0 0 20px var(--color-accent-dim)}.panel-content{flex:1;overflow-y:auto;padding:var(--space-5)}.tab-content{display:none}.tab-content.active{display:block}.panel-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-overlay);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:150;opacity:0;visibility:hidden;transition:opacity var(--duration-normal),visibility var(--duration-normal)}.panel-overlay:not(.hide){opacity:1;visibility:visible}.setting-group{padding:var(--space-4) 0;border-bottom:1px solid var(--glass-border)}.setting-group:first-child{padding-top:0}.setting-group:last-child{border-bottom:none}.setting-label{font-family:var(--font-display);font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-tertiary);margin-bottom:var(--space-3)}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:var(--space-2) 0;font-size:.875rem;font-weight:500}.setting-row select,.setting-row input[type=checkbox]{accent-color:var(--color-accent)}.setting-row select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23f59e0b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center;border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--color-text);padding:.375rem 1.75rem .375rem .625rem;font-family:var(--font-display);font-size:.8125rem;font-weight:500;transition:border-color var(--duration-fast);box-shadow:var(--shadow-inset)}.setting-row select:hover{border-color:var(--glass-border-hover)}.session-select{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23f59e0b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--color-text);padding:.5rem 2rem .5rem .625rem;font-family:var(--font-display);font-size:.8125rem;font-weight:500;margin-bottom:var(--space-2);box-shadow:var(--shadow-inset)}.session-actions{display:flex;gap:var(--space-2)}.session-actions button{flex:1}.io-actions{display:flex;gap:var(--space-2)}.io-actions button{flex:1}.btn-full{width:100%}.stats-grid-full{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3);margin-bottom:var(--space-6)}.stat-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);display:flex;flex-direction:column;gap:var(--space-1);text-align:center;box-shadow:var(--shadow-inset);transition:all var(--duration-normal)}.stat-card:hover{border-color:var(--glass-border-hover);box-shadow:var(--shadow-inset),var(--glow-amber-sm)}.stat-card .stat-label{font-family:var(--font-display);font-size:.5625rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--color-text-tertiary)}.stat-value-lg{font-family:var(--font-display);font-size:1.25rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--color-text)}.section-title{font-family:var(--font-display);font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-tertiary);margin-bottom:var(--space-3)}.pb-section{margin-top:0}.pb-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-2);max-height:200px;overflow-y:auto}.pb-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-2) var(--space-3);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-sm);font-size:.8125rem;box-shadow:var(--shadow-inset)}.pb-time{font-family:var(--font-mono);font-weight:600;color:var(--color-accent)}.pb-meta{font-size:.6875rem;color:var(--color-text-tertiary)}.solve-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-2);max-height:400px;overflow-y:auto}.solve-item{padding:var(--space-3);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);box-shadow:var(--shadow-inset);transition:border-color var(--duration-fast)}.solve-item:hover{border-color:var(--glass-border-hover)}.solve-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.solve-index{font-size:.6875rem;font-weight:600;color:var(--color-text-tertiary);min-width:28px}.solve-time{font-family:var(--font-mono);font-weight:600;font-size:1rem}.solve-actions{display:flex;gap:var(--space-1)}.solve-penalty{background:var(--glass-bg);border:1px solid 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