:root{--bg: hsl(0, 0%, 3%);--surface: hsl(0, 0%, 8%);--surface-hover: hsl(0, 0%, 14%);--surface-raised: hsl(0, 0%, 12%);--text-primary: hsl(0, 0%, 100%);--text-secondary: hsl(0, 0%, 70%);--text-muted: hsl(0, 0%, 45%);--accent: hsl(142, 71%, 45%);--accent-glow: hsla(142, 71%, 45%, .3);--accent-subtle: hsla(142, 71%, 45%, .1);--danger: hsl(0, 84%, 60%);--danger-subtle: hsla(0, 84%, 60%, .15);--danger-glow: hsla(0, 84%, 60%, .3);--success: hsl(142, 71%, 55%);--warning: hsl(38, 92%, 50%);--info: hsl(210, 100%, 60%);--border: hsla(0, 0%, 100%, .06);--border-hover: hsla(0, 0%, 100%, .12);--brand: hsl(0, 91%, 47%);--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--space-1: .25rem;--space-2: .5rem;--space-3: 1rem;--space-4: 1.5rem;--space-5: 2rem;--space-6: 3rem;--space-8: 4rem;--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--duration-instant: .1s;--duration-fast: .2s;--duration-normal: .35s;--duration-slow: .5s;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--radius-pill: 9999px;--gym-nav-clearance: calc(env(safe-area-inset-top, 0px) + 3.5rem) }*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-sans);background-color:var(--bg);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}#root{height:100%;display:flex;flex-direction:column}.text-hero{font-size:clamp(4rem,12vw,10rem);font-weight:800;letter-spacing:-.03em;line-height:1;text-align:center}.text-display{font-size:clamp(2.5rem,6vw,5rem);font-weight:800;letter-spacing:-.02em;line-height:1.1;text-align:center}.text-h1{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;letter-spacing:-.01em}.text-h2{font-size:1.25rem;font-weight:600}.text-body{font-size:1rem;line-height:1.6}.text-caption{font-size:.8125rem;color:var(--text-secondary)}.text-micro{font-size:.6875rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.font-mono{font-family:var(--font-mono)}.font-bold{font-weight:700}.split-screen{display:flex;flex-direction:column;height:100vh;width:100vw;background:var(--bg);position:relative}.split-stage{flex:1;display:flex;flex-direction:column;align-items:stretch;min-height:0;min-width:0;width:100%;max-width:100%;overflow:hidden}.section-half{display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;width:100%;min-width:0;min-height:0;overflow:hidden}.section-half.reader,.section-half.typer{flex:0 0 auto;width:100%;max-width:100%;min-width:0;overflow:hidden}.section-half.reader{flex:1 1 auto;background-color:var(--bg);border-bottom:none;border-right:none;container-type:inline-size}.section-half.typer{flex:0 0 auto;justify-content:flex-start;padding-inline:4vw;padding-bottom:max(1.5rem,env(safe-area-inset-bottom));background:transparent;overflow:clip;overflow-clip-margin:content-box}.typer-show{align-self:flex-start;margin-top:.75rem;background:none;border:0;padding:0;color:var(--text-secondary);cursor:pointer;letter-spacing:.16em;text-transform:uppercase}.label-corner{position:absolute;top:1rem;left:1rem;font-family:var(--font-mono);font-size:.6875rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);opacity:.6;pointer-events:none}.split-screen .label-corner{display:none!important}.container-narrow{width:100%;max-width:600px;padding:0 var(--space-4);margin:0 auto}.container-wide{width:100%;max-width:700px;padding:0 var(--space-3);margin:0 auto}.flex-center{display:flex;align-items:center;justify-content:center}.flex-col{display:flex;flex-direction:column}.flex-row{display:flex;flex-direction:row;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.5rem;border-radius:var(--radius-md);font-weight:600;font-size:.875rem;letter-spacing:.01em;cursor:pointer;border:none;background:var(--accent);color:#000;font-family:var(--font-sans);transition:all var(--duration-fast) var(--ease-in-out);-webkit-user-select:none;user-select:none}.btn:hover{transform:scale(1.02);box-shadow:0 0 20px var(--accent-glow)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover{background:#ffffff0f;color:var(--text-primary);border-color:var(--border-hover);box-shadow:none}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger-glow)}.btn-danger:hover{background:var(--danger-subtle);box-shadow:none}.btn-lg{padding:.875rem 2rem;font-size:1rem}.btn-sm{padding:.4rem 1rem;font-size:.8125rem}.btn-icon{padding:.5rem;min-width:36px;min-height:36px;border-radius:var(--radius-sm)}.input{width:100%;padding:.75rem 1rem;background:#0000004d;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:1rem;font-family:var(--font-sans);outline:none;transition:border-color var(--duration-fast),box-shadow var(--duration-fast)}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.input::placeholder{color:var(--text-muted)}.input-typing{width:100%;padding:var(--space-4);background:transparent;border:none;color:transparent;caret-color:var(--accent);font-size:1.25rem;font-family:var(--font-mono);outline:none;resize:none;text-align:left}.input-backdrop{position:absolute;top:0;left:0;width:100%;height:100%;padding:var(--space-4);font-size:1.25rem;font-family:var(--font-mono);white-space:pre-wrap;overflow-y:auto;color:transparent;pointer-events:none;text-align:left}.typer-ime{position:absolute;opacity:1;width:1px;height:1px;border:0;padding:0;margin:0;overflow:hidden;clip:rect(0,0,0,0);pointer-events:none}.section-half.typer>.typer-theater{width:100%;min-width:0;max-width:100%;min-height:0;font-size:1.25rem;line-height:1.4;height:calc(1.4em * 3);max-height:calc(1.4em * 3);overflow:hidden;overflow-x:hidden;overflow-y:hidden;contain:paint;clip-path:inset(0);position:relative;cursor:text}.section-half.typer>.typer-theater>.typer-line{position:relative;display:block;box-sizing:border-box;width:100%;min-width:0;min-height:0;height:calc(1.4em * 3);max-height:calc(1.4em * 3);overflow:hidden;overflow-x:hidden;overflow-y:hidden;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;font-size:1.25rem;line-height:1.4;transform:none}.typer-caption-flow{display:block;width:100%}.typer-glyph{display:inline-block;white-space:pre-wrap;line-height:1.4}.typer-glyph.current{position:relative}.typer-glyph.upcoming{color:var(--text-muted)}.typer-glyph.caret-only{color:transparent}.typer-glyph.current:before{content:"";position:absolute;left:0;top:.1em;bottom:.1em;width:2px;background:var(--accent)}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;background:#ffffff1a;border-radius:2px;outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:0 0 10px var(--accent-glow);transition:transform var(--duration-fast);border:none}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.25)}input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:0 0 10px var(--accent-glow);border:none}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-4);transition:all var(--duration-fast) var(--ease-in-out)}.card:hover{border-color:var(--border-hover)}.card-stat{background:#ffffff08;padding:var(--space-4);border-radius:var(--radius-lg);text-align:center;border:1px solid hsla(0,0%,100%,.02);display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:120px}.card-stat .stat-value{font-size:1.8rem;font-weight:700;margin-bottom:.4rem;line-height:1.2}.card-stat .stat-label{font-size:.6875rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted)}.glass{background:#141414d9;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid hsla(0,0%,100%,.08);box-shadow:0 25px 50px -12px #0009;border-radius:var(--radius-xl)}.glass-subtle{background:#0a0a0af2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border)}.nav{position:absolute;top:0;left:0;width:100%;display:flex;justify-content:space-between;align-items:center;padding:calc(1rem + env(safe-area-inset-top,0px)) 2rem 1rem;z-index:120}.nav-logo{font-size:1.2rem;font-weight:800;letter-spacing:-.02em;color:var(--text-primary);-webkit-user-select:none;user-select:none}.nav-end,.nav-actions{display:flex;gap:.75rem;align-items:center}.nav--play{background:var(--bg)}.nav--play .nav-actions{display:none}.nav--play .nav-home{opacity:0;border-color:transparent;background:transparent;color:var(--text-secondary);font-weight:500;box-shadow:none;transition:opacity var(--duration-normal) var(--ease-in-out)}.nav--play .nav-home:hover,.nav--play .nav-home:focus,.nav--play .nav-home:focus-visible{opacity:1;border-color:transparent;background:transparent;box-shadow:none;outline:none;color:var(--text-primary);font-weight:500}.nav-fixed{position:fixed;background:#080808cc;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:100}.dropdown{position:relative}.dropdown-menu{position:absolute;top:100%;right:0;min-width:160px;padding:.5rem;border-radius:var(--radius-md);background:var(--surface-raised);border:1px solid var(--border);box-shadow:0 10px 30px -10px #00000080;animation:fadeIn var(--duration-fast) var(--ease-out-expo)}.dropdown-item{width:100%;text-align:left;padding:.6rem 1rem;border-radius:var(--radius-sm);font-size:.9rem;background:transparent;color:var(--text-secondary);border:none;cursor:pointer;font-family:var(--font-sans);transition:all var(--duration-fast)}.dropdown-item:hover{background:#ffffff0f;color:var(--text-primary)}.dropdown-item--danger{color:var(--danger)}.dropdown-item--danger:hover{background:var(--danger-subtle)}.dropdown-divider{height:1px;background:var(--border);margin:.3rem 0}.drawer{position:fixed;top:0;left:0;height:100vh;width:300px;padding:2rem;display:flex;flex-direction:column;justify-content:center;gap:2rem;z-index:90;transition:transform var(--duration-normal) var(--ease-out-expo)}.drawer.closed{transform:translate(-100%)}.drawer.open{transform:translate(0)}.tuner-edge{position:absolute;left:0;top:0;bottom:0;width:1.75rem;z-index:100}.split-screen.is-play .tuner-edge.is-open{width:16rem}.split-screen.is-play .tuner-edge .drawer-toggle{display:block;opacity:1;left:0!important;z-index:110}.split-screen.is-play .tuner-edge.is-open .drawer-toggle{left:16rem!important}.split-screen.is-play .tuner-edge .drawer{width:16rem;padding:1.25rem;pointer-events:none}.split-screen.is-play .tuner-edge.is-open .drawer{transform:translate(0);pointer-events:auto}.split-screen.is-play .tuner-edge .drawer.closed{pointer-events:none}.drawer-toggle{position:absolute;top:50%;transform:translateY(-50%);z-index:100;border-top-left-radius:0!important;border-bottom-left-radius:0!important;background:var(--surface)!important;border:1px solid var(--border)!important;border-left:none!important;padding:1rem .5rem!important;transition:left var(--duration-normal) var(--ease-out-expo),transform var(--duration-fast) var(--ease-in-out);font-size:1rem}.drawer-toggle:hover{transform:translateY(-50%) scale(1.05)!important}.drawer-toggle:active{transform:translateY(-50%) scale(.95)!important}.drawer-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#00000080;z-index:80;cursor:pointer}.drawer-label{font-size:.6875rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.drawer-value{font-size:.8125rem;font-weight:700;color:var(--accent);font-family:var(--font-mono)}.progress-bar{position:absolute;bottom:0;left:0;width:100%;height:3px;background:#ffffff0d;overflow:hidden}.progress-fill{height:100%;background:var(--accent);box-shadow:0 0 8px var(--accent-glow);transition:width .8s ease-out}.xp-bar{background:#0000004d;height:6px;border-radius:3px;overflow:hidden;position:relative}.xp-fill{height:100%;background:var(--accent);box-shadow:0 0 10px var(--accent-glow);transition:width 1s ease-out}.toast-container{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:9999;display:flex;flex-direction:column;align-items:center;gap:.5rem;pointer-events:none}.toast{pointer-events:auto;padding:.875rem 1.25rem;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;display:flex;align-items:center;gap:.75rem;min-width:280px;max-width:420px;animation:toastIn var(--duration-normal) var(--ease-out-expo);box-shadow:0 8px 32px -8px #00000080}.toast-success{background:#21c45d26;border:1px solid hsla(142,71%,45%,.3);color:var(--success)}.toast-info{background:#3399ff26;border:1px solid hsla(210,100%,60%,.3);color:var(--info)}.toast-warning{background:#f59f0a26;border:1px solid hsla(38,92%,50%,.3);color:var(--warning)}.toast-error{background:var(--danger-subtle);border:1px solid var(--danger-glow);color:var(--danger)}.toast-exit{animation:toastOut var(--duration-fast) var(--ease-in-out) forwards}.toast-close{background:none;border:none;color:inherit;cursor:pointer;opacity:.6;font-size:1rem;margin-left:auto;padding:0 .25rem;transition:opacity var(--duration-fast)}.toast-close:hover{opacity:1}.reader-word{color:var(--text-primary);cursor:pointer;-webkit-user-select:none;user-select:none;transition:opacity var(--duration-fast)}.section-half.reader .text-hero{font-size:clamp(2.5rem,6vw,6rem)}.section-half.reader .text-hero.reader-word{max-width:100%;padding:0 1.5rem;box-sizing:border-box;overflow:hidden;overflow-wrap:anywhere;font-size:clamp(2.5rem,6vw,6rem);font-size:clamp(2.5rem,12cqw,6rem)}.reader-rewind{position:absolute;left:0;top:0;bottom:0;width:15%;z-index:20;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:1;transition:opacity var(--duration-fast);background:linear-gradient(to right,rgba(0,0,0,.15),transparent)}.reader-rewind:hover{opacity:1}.reader-rewind-icon{font-size:2rem;color:var(--text-muted)}.flash-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;position:relative;padding:4rem 1.5rem 3rem;min-height:26rem}.flash-indicator{position:absolute;top:2.5rem;font-size:1.15rem;font-weight:700;padding:.4rem 1.25rem;border-radius:var(--radius-full);box-shadow:0 4px 20px #0006;z-index:30;font-family:var(--font-mono)}.flash-indicator.speed-up{color:var(--success);background:#22c55e26;border:1px solid var(--success)}.flash-indicator.slow-down{color:var(--danger);background:#ef444426;border:1px solid var(--danger)}.flash-typer-wrapper{position:relative;width:100%;max-width:480px;height:4.5rem;background:#00000059;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:border-color var(--duration-fast),box-shadow var(--duration-fast);box-shadow:inset 0 2px 8px #00000080;margin-top:2rem}.flash-typer-wrapper:focus-within{border-color:var(--accent);box-shadow:inset 0 2px 8px #00000080,0 0 0 3px var(--accent-glow)}.flash-progress-bar{position:absolute;top:0;left:0;height:3px;background-color:var(--accent);box-shadow:0 0 8px var(--accent-glow);transition:width .05s linear,background-color .2s ease;z-index:15}.flash-progress-bar.dimmed{background-color:var(--danger);box-shadow:0 0 8px var(--danger)}.flash-input-backdrop{position:absolute;top:0;left:0;width:100%;height:100%;padding:1.25rem 1.5rem;font-size:1.35rem;font-family:var(--font-mono);white-space:pre;overflow:hidden;color:transparent;pointer-events:none;text-align:center;z-index:10;display:flex;align-items:center;justify-content:center;box-sizing:border-box}.flash-input-typing{position:absolute;top:0;left:0;width:100%;height:100%;background:transparent;border:none;color:transparent;caret-color:var(--accent);font-size:1.35rem;font-family:var(--font-mono);outline:none;text-align:center;z-index:20;padding:1.25rem 1.5rem;box-sizing:border-box}.flash-input-typing::placeholder{color:var(--text-muted);font-size:1.15rem;opacity:.6}.btn-flash-retry{font-size:1rem;font-weight:600;padding:.625rem 1.5rem;border-radius:var(--radius-md);border:1px solid var(--accent);color:var(--accent);background:#22c55e14;cursor:pointer;box-shadow:0 0 12px var(--accent-glow);display:inline-flex;align-items:center;justify-content:center;gap:.5rem;height:3.5rem;margin-bottom:2rem;transition:all var(--duration-fast) var(--ease-in-out);animation:indicatorPop var(--duration-normal) var(--ease-out-expo) forwards}.btn-flash-retry:hover{background:#22c55e26;box-shadow:0 0 20px var(--accent-glow);transform:scale(1.05)}.btn-flash-retry:active{transform:scale(.95)}.flash-meta-badge{margin-top:1.5rem;font-size:.75rem;color:var(--text-muted);display:flex;align-items:center;gap:.5rem;font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase}.typer-container{position:relative;height:100%;max-height:100%}.char-correct{color:var(--success)}.char-incorrect,.char-extra{color:var(--danger);background:var(--danger-subtle)}.page-fullscreen{height:100vh;width:100vw;background:radial-gradient(circle at center,hsl(0,0%,6%) 0%,var(--bg) 100%);position:relative;z-index:20}.page-scrollable{min-height:100vh;width:100vw;background:var(--bg);position:relative;z-index:20;overflow-y:auto}.page-content{width:100%;max-width:680px;margin:0 auto;padding:8rem 1rem 4rem}.auth-card{width:100%;max-width:420px;padding:3rem}.profile-hero{background:linear-gradient(135deg,#ffffff14,#ffffff05);padding:2.5rem;border-radius:var(--radius-xl);margin-bottom:3rem;text-align:center;border:1px solid hsla(0,0%,100%,.08);box-shadow:0 20px 40px -10px #0000004d}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin-bottom:4rem}.training-zone{background:linear-gradient(135deg,var(--accent-subtle) 0%,hsla(142,71%,45%,.05) 100%);padding:var(--space-4);border-radius:var(--radius-lg);border:1px solid hsla(142,71%,45%,.2);margin-bottom:3rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.profile-avatar{width:80px;height:80px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--accent) 0%,hsla(142,71%,45%,.2) 100%);display:flex;align-items:center;justify-content:center;font-size:var(--font-2xl);font-weight:800;color:var(--background);margin:0 auto 1.25rem;box-shadow:0 0 25px -5px var(--accent);border:2px solid hsla(0,0%,100%,.1)}.dot-divider{color:var(--text-muted);opacity:.5}.trophy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-bottom:3.5rem}.trophy-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column;align-items:center;text-align:center;transition:all var(--duration-normal) var(--ease-out);position:relative;overflow:hidden}.trophy-card--unlocked{background:linear-gradient(135deg,var(--surface) 0%,hsla(0,0%,100%,.03) 100%);border-color:#ffffff1f;box-shadow:var(--shadow-sm)}.trophy-card--locked{opacity:.45;filter:grayscale(1)}.trophy-card--unlocked:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 10px 20px -5px #0006}.trophy-icon-wrapper{width:56px;height:56px;border-radius:var(--radius-full);background:#ffffff0a;display:flex;align-items:center;justify-content:center;font-size:var(--font-2xl);margin-bottom:1rem;transition:transform var(--duration-normal) var(--ease-out)}.trophy-card--unlocked .trophy-icon-wrapper{background:linear-gradient(135deg,#21c45d26,#21c45d0d);border:1px solid hsla(142,71%,45%,.3);color:var(--accent);box-shadow:0 0 15px -3px var(--accent-subtle)}.trophy-card--unlocked:hover .trophy-icon-wrapper{transform:scale(1.1)}.trophy-title{font-weight:600;font-size:1.1rem;margin-bottom:.25rem;color:var(--text)}.trophy-desc{font-size:.85rem;color:var(--text-muted);line-height:1.4}.trophy-lock-badge{position:absolute;top:.75rem;right:.75rem;font-size:.85rem;color:var(--text-muted);opacity:.6}.settings-list{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden}.settings-row{padding:var(--space-4);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.settings-row:last-child{border-bottom:none}.settings-row--danger{background:var(--danger-subtle)}.leaderboard-table{background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}.leaderboard-header,.leaderboard-row{display:grid;grid-template-columns:.5fr 2fr 1fr 1fr;padding:1rem 1.5rem;align-items:center}.leaderboard-header{border-bottom:1px solid var(--border);background:#ffffff05;font-weight:600;color:var(--text-muted)}.leaderboard-row{border-bottom:1px solid var(--border);transition:background var(--duration-fast)}.leaderboard-row:last-child{border-bottom:none}.leaderboard-row:hover{background:#ffffff05}.leaderboard-row--current{background:var(--accent-subtle);border-top:1px solid hsla(142,71%,45%,.3)}.leaderboard-rank--top{color:var(--accent);font-weight:800;font-family:var(--font-mono)}.leaderboard-badge{font-size:.6875rem;padding:2px 6px;border-radius:4px;background:var(--accent);color:#000;font-weight:700}.nav-passage{display:flex;align-items:center;gap:.5rem;padding:.4rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-pill);color:var(--text-secondary);font-size:.8125rem;font-weight:500;cursor:pointer;transition:all var(--duration-fast) 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