:root{--font-serif: "Fraunces", Georgia, serif;--font-sans: "DM Sans", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Mono", Consolas, monospace;--text-micro: .7rem;--text-small: .8125rem;--text-base: clamp(.9375rem, .9rem + .2vw, 1rem);--text-body: clamp(1rem, .95rem + .25vw, 1.0625rem);--text-lead: clamp(1.125rem, 1rem + .6vw, 1.3125rem);--text-h3: clamp(1.25rem, 1.1rem + .75vw, 1.5625rem);--text-h2: clamp(1.625rem, 1.3rem + 1.6vw, 2.5rem);--text-h1: clamp(2.25rem, 1.5rem + 3.5vw, 4.5rem);--text-display: clamp(3rem, 1.5rem + 7vw, 8rem);--leading-tight: 1.1;--leading-snug: 1.3;--leading-normal: 1.55;--leading-loose: 1.75;--leading-relaxed: 1.65;--space-3xs: .25rem;--space-2xs: .5rem;--space-xs: .75rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2.5rem;--space-xl: 4rem;--space-2xl: 6.5rem;--duration-fast: .15s;--duration-normal: .28s;--duration-slow: .5s;--ease-out-quart: cubic-bezier(.25, 1, .5, 1);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--radius-sm: 4px;--radius-md: 10px;--radius-lg: 18px;--radius-xl: 28px;--content-narrow: 38rem;--content-medium: 56rem;--content-wide: 76rem}:root,[data-theme=dark]{--color-paper: #070c17;--color-paper-translucent: rgba(7, 12, 23, .88);--color-ink: #ede8d9;--color-ink-muted: #857e6e;--color-ink-soft: #4a4538;--color-rule: #1a2235;--color-rule-glow: #253048;--color-accent: #e8a020;--color-accent-soft: rgba(232, 160, 32, .12);--color-accent-glow: rgba(232, 160, 32, .25);--color-blue: #4a8fd4;--color-blue-soft: rgba(74, 143, 212, .12);--color-success: #4ab580;--color-success-soft: rgba(74, 181, 128, .12);--color-error: #e05252;--color-error-soft: rgba(224, 82, 82, .12);--color-surface: #0d1424;--color-surface-2: #131d30;--color-surface-3: #1a263e;--color-overlay: rgba(0, 0, 0, .65);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 20px rgba(0, 0, 0, .5);--shadow-lg: 0 12px 48px rgba(0, 0, 0, .6);--shadow-glow: 0 0 32px var(--color-accent-glow);--noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E")}[data-theme=light]{--color-paper: #f6efe1;--color-paper-translucent: rgba(246, 239, 225, .85);--color-ink: #1a2235;--color-ink-muted: #5d5747;--color-ink-soft: #8a8676;--color-rule: #e1d8be;--color-rule-glow: #cabf9e;--color-accent: #b9760a;--color-accent-soft: rgba(185, 118, 10, .1);--color-accent-glow: rgba(185, 118, 10, .22);--color-blue: #2c6db0;--color-blue-soft: rgba(44, 109, 176, .1);--color-success: #2d8a5d;--color-success-soft: rgba(45, 138, 93, .1);--color-error: #b53030;--color-error-soft: rgba(181, 48, 48, .1);--color-surface: #fbf6e9;--color-surface-2: #f1e9d2;--color-surface-3: #e8dec3;--color-overlay: rgba(20, 24, 38, .45);--shadow-sm: 0 1px 3px rgba(31, 40, 68, .07);--shadow-md: 0 4px 20px rgba(31, 40, 68, .09);--shadow-lg: 0 12px 48px rgba(31, 40, 68, .14);--shadow-glow: 0 0 32px var(--color-accent-glow);--noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.018'/%3E%3C/svg%3E")}html{transition:background-color var(--duration-normal) var(--ease-out-quart)}body{transition:background-color var(--duration-normal) var(--ease-out-quart),color var(--duration-normal) var(--ease-out-quart)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}html,body{overflow-x:hidden}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-ink);background:var(--color-paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;background-image:var(--noise);background-attachment:fixed}img,audio,video,canvas{max-width:100%;height:auto;display:block}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}a{color:var(--color-accent);text-decoration:underline;text-underline-offset:.2em}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px;border-radius:var(--radius-sm)}h1,h2,h3{font-family:var(--font-serif);font-weight:500;line-height:var(--leading-tight);letter-spacing:-.02em;margin:0;color:var(--color-ink)}h1{font-size:var(--text-h1)}h2{font-size:var(--text-h2)}h3{font-size:var(--text-h3)}.eyebrow{font-family:var(--font-sans);font-size:var(--text-micro);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--color-accent)}@keyframes fade-up{0%{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes glow-pulse{0%,to{box-shadow:0 0 0 0 var(--color-accent-glow)}50%{box-shadow:0 0 20px 4px var(--color-accent-glow)}}@keyframes count-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-up{animation:fade-up var(--duration-slow) var(--ease-out-expo) both}.animate-in{animation:fade-in var(--duration-slow) var(--ease-out-expo) both}.delay-1{animation-delay:80ms}.delay-2{animation-delay:.16s}.delay-3{animation-delay:.24s}.delay-4{animation-delay:.32s}.delay-5{animation-delay:.4s}.delay-6{animation-delay:.48s}.shell{min-height:100dvh;display:grid;grid-template-rows:auto 1fr auto;grid-template-columns:minmax(0,1fr)}main{min-width:0}.container{max-width:var(--content-wide);margin:0 auto;padding:var(--space-md)}.container--narrow{max-width:var(--content-narrow)}.container--medium{max-width:var(--content-medium)}.stack>*+*{margin-top:var(--space-sm)}.stack-md>*+*{margin-top:var(--space-md)}.stack-lg>*+*{margin-top:var(--space-lg)}.site-header{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--color-rule);background:var(--color-paper-translucent);backdrop-filter:saturate(140%) blur(16px);-webkit-backdrop-filter:saturate(140%) blur(16px)}.site-header__inner{max-width:var(--content-wide);margin:0 auto;padding:0 var(--space-md);height:3.5rem;display:flex;align-items:center;gap:var(--space-md)}.brand{font-family:var(--font-serif);font-size:1.125rem;font-weight:700;letter-spacing:-.03em;text-decoration:none;color:var(--color-ink);flex:0 0 auto;display:flex;align-items:center;gap:.3em}.brand__dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--color-accent);flex-shrink:0;animation:glow-pulse 3s ease-in-out infinite}.nav{display:flex;align-items:center;gap:var(--space-2xs);margin-left:auto}.nav__link{display:inline-flex;align-items:center;gap:.3em;padding:.35em .8em;border-radius:999px;font-size:var(--text-small);font-weight:500;color:var(--color-ink-muted);text-decoration:none;background:transparent;border:1px solid transparent;transition:color var(--duration-fast),background var(--duration-fast),border-color var(--duration-fast)}.nav__link:hover{color:var(--color-ink);background:var(--color-surface-2);border-color:var(--color-rule-glow);text-decoration:none}.nav__link--active{color:var(--color-accent);background:var(--color-accent-soft);border-color:#e8a0204d}.nav__sep{width:1px;height:1.25rem;background:var(--color-rule-glow);margin:0 var(--space-3xs)}.nav__signout{background:none;border:0;padding:.35em .8em;font-size:var(--text-small);color:var(--color-ink-soft);cursor:pointer;border-radius:999px;transition:color var(--duration-fast),background var(--duration-fast)}.nav__signout:hover{color:var(--color-error);background:var(--color-error-soft)}.nav__user{display:inline-flex;align-items:center;gap:.4em;padding:.25em .6em .25em .25em;border-radius:999px;background:var(--color-surface-2);border:1px solid var(--color-rule-glow);font-size:var(--text-small);color:var(--color-ink-muted)}.nav__avatar{width:1.5rem;height:1.5rem;border-radius:50%;background:var(--color-accent-soft);border:1px solid var(--color-accent-glow);display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:700;color:var(--color-accent);text-transform:uppercase;flex-shrink:0}.site-footer{border-top:1px solid var(--color-rule);padding:var(--space-md);text-align:center;font-size:var(--text-small);color:var(--color-ink-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2xs);font-family:var(--font-sans);font-size:var(--text-small);font-weight:600;letter-spacing:.01em;padding:.55rem var(--space-md);border:1px solid transparent;border-radius:var(--radius-md);background:var(--color-ink);color:var(--color-paper);text-decoration:none;cursor:pointer;white-space:nowrap;min-height:2.5rem;transition:transform var(--duration-fast) var(--ease-out-quart),background var(--duration-fast),box-shadow var(--duration-fast)}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);text-decoration:none}.btn:active{transform:translateY(0)}.btn--primary{background:var(--color-accent);color:#080500;border-color:var(--color-accent)}.btn--primary:hover{box-shadow:0 4px 20px var(--color-accent-glow)}.btn--ghost{background:transparent;color:var(--color-ink-muted);border-color:var(--color-rule-glow)}.btn--ghost:hover{color:var(--color-ink);background:var(--color-surface-2);border-color:var(--color-ink-soft)}.btn--blue{background:var(--color-blue-soft);color:var(--color-blue);border-color:#4a8fd440}.btn--blue:hover{background:#4a8fd433}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.btn--sm{min-height:2rem;padding:.3rem var(--space-sm);font-size:var(--text-micro)}.btn--lg{min-height:3rem;padding:.7rem var(--space-lg);font-size:var(--text-base);border-radius:var(--radius-lg)}.field{display:flex;flex-direction:column;gap:var(--space-3xs)}.field label{font-size:var(--text-small);font-weight:500;color:var(--color-ink-muted);letter-spacing:.03em}.field input,.field textarea{border:1px solid var(--color-rule-glow);background:var(--color-surface);border-radius:var(--radius-md);padding:.6rem var(--space-sm);font-size:var(--text-base);color:var(--color-ink);min-height:2.75rem;transition:border-color var(--duration-fast),box-shadow var(--duration-fast)}.field input::placeholder{color:var(--color-ink-soft)}.field input:hover,.field textarea:hover{border-color:var(--color-ink-soft)}.field input:focus-visible,.field textarea:focus-visible{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-soft);outline:none}.field__error{font-size:var(--text-small);color:var(--color-error)}.auth-wrapper{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:var(--space-md);background:var(--color-paper);background-image:var(--noise),radial-gradient(ellipse 80% 60% at 50% 0%,rgba(232,160,32,.06),transparent 70%)}.auth-card{width:100%;max-width:22rem;background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:var(--radius-xl);padding:var(--space-lg);box-shadow:var(--shadow-lg);animation:fade-up var(--duration-slow) var(--ease-out-expo) both}.auth-card__logo{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;letter-spacing:-.03em;color:var(--color-ink);margin-bottom:var(--space-lg);display:flex;align-items:center;gap:.4em}.auth-card__dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--color-accent)}.auth-card h1{font-size:var(--text-h2);font-weight:400;margin-bottom:.2em;font-style:italic}.auth-card .lead{color:var(--color-ink-muted);font-size:var(--text-small);margin-bottom:var(--space-md)}.auth-card form{display:grid;gap:var(--space-sm)}.auth-card .alt{font-size:var(--text-small);color:var(--color-ink-muted);text-align:center;margin-top:var(--space-md)}.auth-card .alt a{color:var(--color-accent)}.home-hero{position:relative;overflow:hidden;padding:var(--space-xl) 0 var(--space-lg);border-bottom:1px solid var(--color-rule);background:radial-gradient(ellipse 70% 60% at 50% -10%,rgba(232,160,32,.07),transparent 60%)}.home-hero__inner{display:grid;grid-template-columns:1fr auto;gap:var(--space-lg);align-items:center}@media (max-width:52rem){.home-hero__inner{grid-template-columns:1fr}}.home-hero__tag{font-family:var(--font-sans);font-size:var(--text-small);font-weight:600;color:var(--color-accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:var(--space-sm);display:flex;align-items:center;gap:.5em}.home-hero__tag:before{content:"";display:block;width:1.5rem;height:2px;background:var(--color-accent);border-radius:1px}.home-hero__title{font-family:var(--font-serif);font-size:var(--text-h1);font-weight:300;font-style:italic;letter-spacing:-.03em;line-height:1.05;margin:0 0 var(--space-sm)}.home-hero__title strong{font-weight:800;font-style:normal}.home-hero__sub{font-size:var(--text-lead);color:var(--color-ink-muted);max-width:34rem;line-height:var(--leading-relaxed)}.hero-score{display:flex;flex-direction:column;align-items:center;padding:var(--space-md) var(--space-xl);background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:var(--radius-xl);position:relative;min-width:10rem}.hero-score:after{content:"";position:absolute;inset:-1px;background:linear-gradient(135deg,rgba(232,160,32,.15),transparent 50%);z-index:-1;border-radius:inherit}.hero-score__label{font-size:var(--text-micro);text-transform:uppercase;letter-spacing:.12em;color:var(--color-ink-soft);margin-bottom:var(--space-3xs);font-weight:600}.hero-score__num{font-family:var(--font-mono);font-size:clamp(3rem,2rem+4vw,5.5rem);font-weight:600;line-height:1;letter-spacing:-.04em;color:var(--color-accent);animation:count-up .6s var(--ease-out-expo) both;animation-delay:.3s}.hero-score__sub{font-size:var(--text-micro);color:var(--color-ink-soft);margin-top:2px}.home-stats{display:flex;gap:var(--space-sm);flex-wrap:wrap;padding:var(--space-md) 0;border-bottom:1px solid var(--color-rule)}.stat-pill{display:flex;align-items:center;gap:var(--space-xs);padding:.5rem var(--space-sm);background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:999px;font-size:var(--text-small);color:var(--color-ink-muted)}.stat-pill__num{font-family:var(--font-mono);font-size:var(--text-base);font-weight:600;color:var(--color-ink);font-variant-numeric:tabular-nums}.stat-pill__icon{font-size:1em}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:var(--space-md);padding:var(--space-lg) 0}.feature-card{background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:var(--radius-xl);padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-sm);position:relative;overflow:hidden;transition:transform var(--duration-normal) var(--ease-out-quart),border-color var(--duration-normal),box-shadow var(--duration-normal)}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--color-accent),transparent);opacity:0;transition:opacity var(--duration-normal)}.feature-card:hover{transform:translateY(-5px);border-color:#e8a0204d;box-shadow:var(--shadow-lg),0 0 56px #e8a02012}.feature-card:hover:before{opacity:1}.feature-card--blue:before{background:linear-gradient(90deg,var(--color-blue),transparent)}.feature-card--green:before{background:linear-gradient(90deg,var(--color-success),transparent)}.feature-card--blue:hover{border-color:#4a8fd44d;box-shadow:var(--shadow-lg),0 0 56px #4a8fd412}.feature-card--green:hover{border-color:#4ab5804d;box-shadow:var(--shadow-lg),0 0 56px #4ab58012}.feature-card__icon{font-size:2.2rem;line-height:1;margin-bottom:var(--space-3xs)}.feature-card__title{font-family:var(--font-serif);font-size:var(--text-h3);font-weight:700;letter-spacing:-.02em;color:var(--color-ink)}.feature-card__desc{font-size:var(--text-small);color:var(--color-ink-muted);line-height:var(--leading-relaxed);flex:1}.feature-card__nums{display:flex;gap:var(--space-md);padding:var(--space-xs) 0;border-top:1px solid var(--color-rule)}.feature-card__stat{display:flex;flex-direction:column;gap:2px}.feature-card__stat-num{font-family:var(--font-mono);font-size:var(--text-h3);font-weight:700;color:var(--color-accent);letter-spacing:-.02em;line-height:1}.feature-card--blue .feature-card__stat-num{color:var(--color-blue)}.feature-card--green .feature-card__stat-num{color:var(--color-success)}.feature-card__stat-label{font-size:var(--text-micro);color:var(--color-ink-soft);text-transform:uppercase;letter-spacing:.08em}.feature-card__cta{margin-top:auto;padding-top:var(--space-xs)}.feature-card__tag{display:inline-block;font-size:var(--text-micro);font-weight:700;padding:2px 8px;border-radius:999px;background:var(--color-surface-3);color:var(--color-ink-muted);border:1px solid var(--color-rule-glow);text-transform:uppercase;letter-spacing:.06em}.progress-bar{height:4px;background:var(--color-rule-glow);border-radius:999px;overflow:hidden}.progress-bar__fill{height:100%;border-radius:999px;background:var(--color-accent);transition:width 1.2s var(--ease-out-expo)}.progress-bar__fill--blue{background:var(--color-blue)}.progress-bar__fill--green{background:var(--color-success)}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-md);margin-bottom:var(--space-md);padding-top:var(--space-lg);border-top:1px solid var(--color-rule)}.section-head h2{font-size:var(--text-h3);font-weight:600;letter-spacing:-.02em}.section-head a{font-size:var(--text-small);color:var(--color-accent);text-decoration:none}.section-head a:hover{text-decoration:underline}.shelf-scroll{display:flex;gap:var(--space-sm);overflow-x:auto;padding-bottom:var(--space-sm);scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--color-rule-glow) transparent;-webkit-overflow-scrolling:touch}.shelf-scroll::-webkit-scrollbar{height:3px}.shelf-scroll::-webkit-scrollbar-thumb{background:var(--color-rule-glow);border-radius:2px}.book-card{flex:0 0 8.5rem;scroll-snap-align:start;background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:var(--radius-lg);padding:var(--space-sm);display:flex;flex-direction:column;gap:4px;text-decoration:none;color:var(--color-ink);transition:border-color var(--duration-fast),transform var(--duration-fast) var(--ease-out-quart),background var(--duration-fast)}.book-card:hover{border-color:#e8a02066;transform:translateY(-3px);background:var(--color-surface-2);text-decoration:none}.book-card--soon{opacity:.3;pointer-events:none}.book-card__code{font-size:var(--text-micro);font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-accent)}.book-card__title{font-family:var(--font-serif);font-size:var(--text-base);font-weight:600;letter-spacing:-.01em;line-height:var(--leading-snug)}.book-card__year{font-family:var(--font-mono);font-size:var(--text-micro);color:var(--color-ink-soft);margin-top:auto;padding-top:var(--space-3xs)}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(9rem,1fr));gap:var(--space-sm);margin-top:var(--space-md)}.library-grid .book-card{flex:none}.hero{padding:var(--space-xl) 0 var(--space-lg)}.hero h1{font-style:italic;font-weight:400}.hero .eyebrow{margin-bottom:var(--space-2xs)}.hero p{font-size:var(--text-lead);color:var(--color-ink-muted);font-family:var(--font-serif);font-style:italic;max-width:36rem;margin:var(--space-sm) 0 0;line-height:var(--leading-relaxed)}.tests{display:grid;gap:0;border-top:1px solid var(--color-rule)}.test-row{display:grid;grid-template-columns:minmax(0,7rem) 1fr;align-items:start;padding:var(--space-md) 0;border-bottom:1px solid var(--color-rule);gap:var(--space-md)}.test-row__num{font-family:var(--font-serif);font-size:var(--text-h2);font-weight:300;font-style:italic;color:var(--color-ink-soft);letter-spacing:-.03em;padding-top:2px}.test-row__modules{display:flex;flex-wrap:wrap;gap:var(--space-sm) var(--space-lg)}.module-block{display:flex;flex-direction:column;gap:var(--space-3xs);min-width:9rem}.module-block__head{display:flex;align-items:baseline;gap:var(--space-2xs)}.module-block__label{font-size:var(--text-base);font-weight:600;color:var(--color-ink)}.module-block__count{font-size:var(--text-small);color:var(--color-ink-soft)}.module-block__actions{display:flex;gap:var(--space-2xs)}.module-block__btn{text-decoration:none;font-size:var(--text-small);font-weight:500;padding:.3rem var(--space-xs);border-radius:var(--radius-sm);border:1px solid var(--color-rule-glow);color:var(--color-ink-muted);background:transparent;transition:all var(--duration-fast)}.module-block__btn:hover{border-color:var(--color-ink-soft);color:var(--color-ink);background:var(--color-surface-2)}.module-block__btn--mock{background:var(--color-accent);color:#080500;border-color:var(--color-accent);font-weight:700}.module-block__btn--mock:hover{box-shadow:0 2px 12px var(--color-accent-glow);color:#080500}.module-block--disabled{opacity:.35}.reading-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space-lg);padding:var(--space-md)}@media (min-width:64rem){.reading-shell{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);max-width:var(--content-wide);margin:0 auto}}.passage{font-family:var(--font-serif);font-size:var(--text-body);line-height:var(--leading-loose);color:var(--color-ink)}.passage h1{font-size:var(--text-h2);margin-bottom:var(--space-xs)}.passage .source{font-style:italic;color:var(--color-ink-muted);font-size:var(--text-base);margin-bottom:var(--space-md)}.passage p{margin:0 0 var(--space-sm);white-space:pre-wrap}.passage mark{background:#e8a0202e;color:inherit;cursor:pointer;border-radius:2px}.passage mark:hover{background:#e8a02052}.transcript-box{background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:var(--radius-md);padding:var(--space-md);margin-top:var(--space-sm);font-size:var(--text-small);line-height:var(--leading-relaxed);white-space:pre-wrap;color:var(--color-ink-muted)}.transcript-toggle{background:none;border:1px solid var(--color-rule-glow);color:var(--color-ink-soft);font-size:var(--text-micro);text-transform:uppercase;letter-spacing:.06em;padding:.3rem var(--space-xs);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--duration-fast)}.transcript-toggle:hover{color:var(--color-ink);border-color:var(--color-ink-soft)}.questions{display:grid;gap:var(--space-md)}.q-group{border:1px solid var(--color-rule-glow);border-radius:var(--radius-lg);padding:var(--space-md);background:var(--color-surface)}.q-group__head{display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-sm);margin-bottom:var(--space-xs)}.q-group__kind{font-size:var(--text-micro);font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-accent)}.q-group__instructions{font-size:var(--text-small);color:var(--color-ink-muted);white-space:pre-wrap;margin-bottom:var(--space-sm);line-height:var(--leading-relaxed)}.q-group__shared{background:var(--color-surface-2);border-radius:var(--radius-md);padding:var(--space-sm);font-size:var(--text-small);margin-bottom:var(--space-sm)}.q-group__shared dl{display:grid;grid-template-columns:max-content 1fr;gap:var(--space-3xs) var(--space-sm);margin:0}.q-group__shared dt{font-weight:600;font-variant-numeric:tabular-nums}.q-group__shared dd{margin:0}.q-list{display:grid;gap:var(--space-sm)}.q-row{display:grid;grid-template-columns:2.5rem 1fr;gap:var(--space-sm);align-items:start}.q-row__num{font-family:var(--font-mono);font-size:var(--text-lead);font-weight:600;font-variant-numeric:tabular-nums;color:var(--color-accent);text-align:right;line-height:1.4}.q-row__body{display:grid;gap:var(--space-2xs)}.q-row__prompt{font-size:var(--text-base);line-height:var(--leading-snug)}.q-row__input input,.q-row__input select,.q-row__input textarea{width:100%;border:1px solid var(--color-rule-glow);background:var(--color-surface-2);border-radius:var(--radius-sm);padding:.35rem var(--space-xs);font-size:var(--text-base);color:var(--color-ink);min-height:2.25rem;transition:border-color var(--duration-fast)}.q-row__input input:focus-visible{border-color:var(--color-accent);outline:none;box-shadow:0 0 0 2px var(--color-accent-soft)}.q-row--correct .q-row__num{color:var(--color-success)}.q-row--correct .q-row__input input{border-color:var(--color-success);background:var(--color-success-soft)}.q-row--wrong .q-row__num{color:var(--color-error)}.q-row--wrong .q-row__input input{border-color:var(--color-error);background:var(--color-error-soft)}.q-row--flagged{background:#e8a0200a;border-radius:var(--radius-sm);box-shadow:0 0 0 4px #e8a0200a}.q-row__flag-btn{background:none;border:0;padding:0;cursor:pointer;opacity:.3;transition:opacity var(--duration-fast);font-size:1rem}.q-row__flag-btn:hover{opacity:.8}.q-row--flagged .q-row__flag-btn{opacity:1}.q-row__feedback{font-size:var(--text-small);color:var(--color-ink-muted);margin-top:var(--space-3xs)}.q-row__feedback strong{color:var(--color-success);font-weight:600}.attempt-bar{position:sticky;bottom:0;background:var(--color-paper-translucent);backdrop-filter:blur(12px);border-top:1px solid var(--color-rule);padding:var(--space-sm) var(--space-md);display:flex;justify-content:space-between;align-items:center;gap:var(--space-sm)}.attempt-bar__progress{font-size:var(--text-small);color:var(--color-ink-muted)}.attempt-bar__progress strong{color:var(--color-ink);font-variant-numeric:tabular-nums}.score-display{text-align:center;padding:var(--space-xl) var(--space-md)}.score-display .eyebrow{margin-bottom:var(--space-sm)}.score-display__band{font-family:var(--font-mono);font-size:clamp(5rem,4rem+6vw,9rem);font-weight:600;line-height:1;letter-spacing:-.04em;color:var(--color-accent)}.score-display__raw{font-size:var(--text-lead);color:var(--color-ink-muted);margin-top:var(--space-2xs);font-variant-numeric:tabular-nums}.score-display__raw strong{color:var(--color-ink);font-weight:600}.audio-player{background:var(--color-surface-2);border:1px solid var(--color-rule-glow);border-radius:var(--radius-lg);padding:var(--space-2xs) var(--space-sm);display:flex;align-items:center;gap:var(--space-sm);position:sticky;top:3.75rem;z-index:5;min-height:3rem}.audio-player audio{display:none}.audio-player__btn{flex:0 0 auto;width:2.25rem;height:2.25rem;border-radius:50%;border:0;background:var(--color-accent);color:#080500;font-size:.85rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform var(--duration-fast),box-shadow var(--duration-fast)}.audio-player__btn:hover{transform:scale(1.08);box-shadow:0 2px 12px var(--color-accent-glow)}.audio-player__time{flex:0 0 auto;font-family:var(--font-mono);font-size:var(--text-small);color:var(--color-ink-muted);min-width:2.5em;text-align:center}.audio-player__speed{background:transparent;color:var(--color-ink-muted);border:1px solid var(--color-rule-glow);border-radius:var(--radius-sm);font-size:var(--text-micro);padding:2px 5px;cursor:pointer}.audio-player__speed option{background:var(--color-surface)}.audio-player__seek{flex:1 1 auto;-webkit-appearance:none;appearance:none;height:4px;border-radius:999px;background:var(--color-rule-glow);outline:none;cursor:pointer}.audio-player__seek::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--color-accent);cursor:pointer}.audio-player__seek::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--color-accent);border:0;cursor:pointer}.audio-player__seek:disabled{opacity:.4;cursor:not-allowed}.audio-player__status{font-size:var(--text-small);color:var(--color-ink-muted)}.mock-timer{position:sticky;top:0;z-index:10;background:var(--color-surface-2);border-bottom:1px solid var(--color-rule);padding:var(--space-2xs) var(--space-md);display:flex;justify-content:center;align-items:baseline;gap:var(--space-sm);font-size:var(--text-small)}.mock-timer__label{text-transform:uppercase;letter-spacing:.08em;opacity:.6}.mock-timer__clock{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--text-base);font-weight:600;color:var(--color-accent)}.mock-timer--warn .mock-timer__clock{color:var(--color-error);animation:glow-pulse 1s ease-in-out infinite}.mock-timer__done{opacity:.6;font-style:italic}.audio-mock{background:var(--color-surface-2);border:1px solid var(--color-rule-glow);border-radius:var(--radius-lg);padding:var(--space-sm) var(--space-md);display:flex;align-items:center;gap:var(--space-md)}.audio-mock--missing{background:var(--color-error-soft);border-color:var(--color-error)}.audio-mock__play{flex:1}.audio-mock__play:disabled{opacity:.55;cursor:not-allowed}.dash-section__title{font-family:var(--font-serif);font-size:var(--text-h2);font-weight:500;letter-spacing:-.02em;margin-bottom:var(--space-xs)}.dash-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));gap:var(--space-sm);margin-top:var(--space-md)}.dash-card{border:1px solid var(--color-rule-glow);border-radius:var(--radius-lg);padding:var(--space-sm) var(--space-md);background:var(--color-surface);display:flex;flex-direction:column;gap:var(--space-3xs)}.dash-card__band{font-family:var(--font-mono);font-size:clamp(2.5rem,1.5rem+2.5vw,3.5rem);font-weight:600;line-height:1;letter-spacing:-.02em;color:var(--color-accent);font-variant-numeric:tabular-nums}.dash-card__sub{font-size:var(--text-small);color:var(--color-ink-muted)}.dash-trend-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(18rem,1fr));gap:var(--space-md)}.dash-trend{border:1px solid var(--color-rule-glow);border-radius:var(--radius-lg);padding:var(--space-sm) var(--space-md);background:var(--color-surface)}.dash-trend__head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:var(--space-2xs)}.dash-trend__svg{width:100%;height:auto;display:block}.dash-trend__grid{stroke:var(--color-rule-glow);stroke-width:1;stroke-dasharray:2 4}.dash-trend__ytick{font-size:9px;fill:var(--color-ink-soft);text-anchor:end;font-family:var(--font-mono)}.dash-trend__line{stroke:var(--color-accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.dash-trend__dot{fill:var(--color-accent);stroke:var(--color-paper);stroke-width:2}.dash-trend__foot{display:flex;justify-content:space-between;font-size:var(--text-small);color:var(--color-ink-soft);margin-top:var(--space-2xs)}.dash-heat{display:flex;flex-direction:column;gap:var(--space-2xs);border-top:1px solid var(--color-rule);padding-top:var(--space-sm)}.dash-heat__row{display:grid;grid-template-columns:13rem 1fr 5rem;align-items:center;gap:var(--space-sm);font-size:var(--text-small)}.dash-heat__kind{text-transform:capitalize;color:var(--color-ink)}.dash-heat__bar{height:.5rem;background:var(--color-rule-glow);border-radius:999px;overflow:hidden}.dash-heat__fill{height:100%;border-radius:999px;transition:width var(--duration-slow) var(--ease-out-expo)}.dash-heat__row--good .dash-heat__fill{background:var(--color-success)}.dash-heat__row--mid .dash-heat__fill{background:oklch(78% .16 60)}.dash-heat__row--weak .dash-heat__fill{background:var(--color-accent)}.dash-heat__pct{text-align:right;font-variant-numeric:tabular-nums}.dash-table{width:100%;border-collapse:collapse;font-size:var(--text-small)}.dash-table th,.dash-table td{text-align:left;padding:var(--space-2xs) var(--space-xs);border-bottom:1px solid var(--color-rule)}.dash-table th{font-weight:500;color:var(--color-ink-soft);text-transform:uppercase;letter-spacing:.06em;font-size:.7rem}.dash-table td.num,.dash-table th.num{text-align:right;font-variant-numeric:tabular-nums}.dash-table tbody tr:hover{background:var(--color-surface-2)}.vocab-header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:var(--space-md);padding:var(--space-xl) 0 var(--space-md)}.vocab-header h1{font-size:var(--text-h1);font-style:italic;font-weight:400;margin:var(--space-2xs) 0 0}.vocab-header__lead{color:var(--color-ink-muted);font-family:var(--font-serif);font-style:italic;font-size:var(--text-lead);margin:var(--space-xs) 0 0;max-width:32rem}.vocab-stats{display:flex;align-items:center;gap:var(--space-md);flex-wrap:wrap;padding-top:var(--space-sm)}.vocab-stat{display:flex;flex-direction:column;align-items:center;min-width:3.5rem}.vocab-stat__num{font-family:var(--font-mono);font-size:clamp(1.5rem,1.2rem+1.2vw,2.25rem);font-weight:600;line-height:1;letter-spacing:-.02em;color:var(--color-accent);font-variant-numeric:tabular-nums}.vocab-stat__label{font-size:var(--text-micro);text-transform:uppercase;letter-spacing:.08em;color:var(--color-ink-muted);margin-top:2px}.vocab-tabs{display:flex;gap:var(--space-3xs);flex-wrap:wrap;border-bottom:1px solid var(--color-rule);padding-bottom:0;margin-bottom:var(--space-sm)}.vocab-tab{background:none;border:0;border-bottom:2px solid transparent;padding:var(--space-2xs) var(--space-xs);font-size:var(--text-small);font-weight:500;color:var(--color-ink-muted);cursor:pointer;margin-bottom:-1px;transition:color var(--duration-fast),border-color var(--duration-fast)}.vocab-tab:hover{color:var(--color-ink)}.vocab-tab--active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.vocab-search-row{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm)}.vocab-search-row .field{flex:1}.vocab-list{display:flex;flex-direction:column;border-top:1px solid var(--color-rule)}.vocab-row{display:grid;grid-template-columns:10rem minmax(0,1fr) auto;gap:var(--space-sm);align-items:baseline;padding:var(--space-sm) 0;border-bottom:1px solid var(--color-rule);transition:background var(--duration-fast)}.vocab-row:hover{background:var(--color-surface-2)}@media (max-width:42rem){.vocab-row{grid-template-columns:1fr auto;grid-template-rows:auto auto}.vocab-row__mid{grid-column:1/-1}}.vocab-row__left{display:flex;flex-direction:column;gap:2px}.vocab-row__word{font-family:var(--font-serif);font-size:var(--text-lead);font-weight:600;letter-spacing:-.01em;color:var(--color-ink)}.vocab-row__type{font-size:var(--text-micro);text-transform:uppercase;letter-spacing:.06em;color:var(--color-ink-muted)}.vocab-row__def{font-size:var(--text-base);color:var(--color-ink);line-height:var(--leading-snug);margin:0}.vocab-row__def--empty{color:var(--color-ink-soft)}.vocab-row__syns{font-size:var(--text-small);color:var(--color-ink-muted);margin:2px 0 0}.vocab-row__right{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.vocab-row__interval{font-size:var(--text-micro);color:var(--color-ink-soft);font-variant-numeric:tabular-nums}.vocab-badge{display:inline-block;font-size:var(--text-micro);font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:2px 7px;border-radius:999px;border:1px solid transparent}.vocab-badge--new{color:var(--color-ink-soft);border-color:var(--color-rule-glow)}.vocab-badge--learning{color:#ef852e;background:#e8a0201a;border-color:#e8a02040}.vocab-badge--known{color:var(--color-success);background:var(--color-success-soft);border-color:#4ab58040}.vocab-pagination{display:flex;justify-content:center;align-items:center;gap:var(--space-md);padding:var(--space-md) 0}.fc-shell{min-height:100dvh;display:flex;flex-direction:column;background:var(--color-paper)}.fc-progress{height:3px;background:var(--color-rule)}.fc-progress__fill{height:100%;background:var(--color-accent);transition:width var(--duration-slow) var(--ease-out-expo)}.fc-counter{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm) 0 var(--space-md);font-size:var(--text-small);color:var(--color-ink-muted)}.fc-card{border:1px solid var(--color-rule-glow);border-radius:var(--radius-xl);min-height:18rem;display:flex;flex-direction:column;position:relative;cursor:pointer;transition:transform var(--duration-fast) var(--ease-out-quart),box-shadow var(--duration-fast),border-color var(--duration-fast);box-shadow:var(--shadow-sm);overflow:hidden;background:var(--color-surface)}.fc-card:hover:not(.fc-card--flipped){transform:translateY(-3px);box-shadow:var(--shadow-md),0 0 40px var(--color-accent-glow);border-color:#e8a0204d}.fc-face{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:var(--space-lg);text-align:center;transition:opacity var(--duration-fast);gap:var(--space-sm)}.fc-face--front{opacity:1}.fc-card--flipped .fc-face--front{opacity:0;pointer-events:none}.fc-face--back{opacity:0;pointer-events:none;align-items:flex-start;text-align:left}.fc-card--flipped .fc-face--back{opacity:1;pointer-events:auto}.fc-card--flipped{min-height:auto;cursor:default}.fc-card--flipped .fc-face{position:relative}.fc-card--flipped .fc-face--front{display:none}.fc-card--flipped .fc-face--back{display:flex}.fc-meta{display:flex;gap:var(--space-xs);align-items:center;flex-wrap:wrap;justify-content:center;margin-bottom:var(--space-2xs)}.fc-group{font-size:var(--text-micro);color:var(--color-ink-soft)}.fc-headword{font-family:var(--font-serif);font-size:clamp(2rem,1.5rem+2vw,3rem);font-weight:600;letter-spacing:-.02em;color:var(--color-ink);margin:0;line-height:1.1}.fc-headword--back{font-size:var(--text-h2);margin-bottom:var(--space-2xs)}.fc-hint{font-size:var(--text-small);color:var(--color-ink-soft);margin:0;font-style:italic}.fc-defs{margin:0;padding:0 0 0 var(--space-sm);list-style:disc;display:flex;flex-direction:column;gap:var(--space-2xs)}.fc-defs li{font-size:var(--text-base);line-height:var(--leading-snug)}.fc-empty-def{color:var(--color-ink-muted);font-style:italic;margin:0}.fc-examples{margin-top:var(--space-xs);display:flex;flex-direction:column;gap:var(--space-3xs)}.fc-example{font-size:var(--text-small);color:var(--color-ink-muted);line-height:var(--leading-snug);margin:0}.fc-syns{margin:var(--space-xs) 0 0;font-size:var(--text-small);color:var(--color-ink-muted)}.fc-syns__label{font-weight:600;color:var(--color-ink-soft)}.fc-ratings{display:flex;gap:var(--space-xs);justify-content:center;margin-top:var(--space-md);opacity:0;pointer-events:none;transition:opacity var(--duration-normal)}.fc-ratings--visible{opacity:1;pointer-events:auto}.fc-rate-btn{flex:1;min-width:5rem;max-width:8rem}.fc-tap-hint{text-align:center;font-size:var(--text-small);color:var(--color-ink-soft);margin-top:var(--space-md);font-style:italic}.fc-done{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-2xl) var(--space-md);gap:var(--space-sm)}.fc-done__score{font-family:var(--font-mono);font-size:clamp(4rem,3rem+5vw,7rem);font-weight:600;line-height:1;letter-spacing:-.04em;color:var(--color-accent)}.fc-done__detail{color:var(--color-ink-muted);font-family:var(--font-serif);font-style:italic;font-size:var(--text-lead)}.fc-done__actions{display:flex;gap:var(--space-sm);flex-wrap:wrap;justify-content:center;margin-top:var(--space-sm)}.alert{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-size:var(--text-small);border:1px solid}.alert--error{background:var(--color-error-soft);color:var(--color-error);border-color:#e052524d}.center{text-align:center}.muted{color:var(--color-ink-muted)}.empty{padding:var(--space-2xl) var(--space-md);text-align:center;color:var(--color-ink-muted)}.spinner{width:1.5rem;height:1.5rem;border:2px solid var(--color-rule-glow);border-top-color:var(--color-accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.email-banner{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-2xs) var(--space-md);background:#e0525214;border-bottom:1px solid rgba(224,82,82,.2);font-size:var(--text-small);flex-wrap:wrap}.email-banner__icon{font-size:1rem;flex-shrink:0}.email-banner__text{flex:1;color:var(--color-ink-muted);min-width:12rem}.email-banner__text strong{color:var(--color-ink)}.email-banner__actions{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0}.email-banner__btn{background:none;border:1px solid rgba(224,82,82,.4);color:var(--color-error);padding:.25rem .75rem;border-radius:var(--radius-sm);font-size:var(--text-micro);font-weight:600;cursor:pointer;letter-spacing:.04em;transition:background var(--duration-fast),border-color var(--duration-fast)}.email-banner__btn:hover{background:var(--color-error-soft);border-color:var(--color-error)}.email-banner__btn:disabled{opacity:.5;cursor:not-allowed}.email-banner__sent{font-size:var(--text-micro);font-weight:600;color:var(--color-success);letter-spacing:.04em}.email-banner__dismiss{background:none;border:0;color:var(--color-ink-soft);cursor:pointer;font-size:.9rem;padding:.2em;transition:color var(--duration-fast)}.email-banner__dismiss:hover{color:var(--color-ink)}.settings-section__title{font-family:var(--font-serif);font-size:var(--text-h3);font-weight:600;letter-spacing:-.02em;color:var(--color-ink-muted);margin-bottom:var(--space-sm)}.settings-section__title--danger{color:var(--color-error)}.settings-card{background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:var(--radius-xl);overflow:hidden}.settings-card--danger{border-color:#e0525233}.settings-row{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-rule)}.settings-row--last{border-bottom:0}.settings-row--warn{background:#e052520a;border-left:3px solid var(--color-error)}.settings-row__label{font-size:var(--text-micro);text-transform:uppercase;letter-spacing:.1em;font-weight:600;color:var(--color-ink-soft);margin-bottom:4px}.settings-row__value{font-size:var(--text-base);color:var(--color-ink)}.settings-row__hint{font-size:var(--text-small);color:var(--color-ink-muted);line-height:var(--leading-relaxed);margin:var(--space-3xs) 0 0}.settings-row__sent{font-size:var(--text-small);color:var(--color-success);font-weight:600}.verified-badge{display:inline-flex;align-items:center;gap:.3em;padding:.25rem .7rem;border-radius:999px;background:var(--color-success-soft);color:var(--color-success);font-size:var(--text-micro);font-weight:700;border:1px solid rgba(74,181,128,.25);letter-spacing:.04em;white-space:nowrap}.settings-reset-result{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);margin-top:var(--space-sm);background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:var(--radius-lg);font-size:var(--text-small);color:var(--color-ink-muted)}.settings-reset-result strong{color:var(--color-ink)}.modal-backdrop{position:fixed;inset:0;z-index:200;background:var(--color-overlay);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:var(--space-md);animation:fade-in var(--duration-fast) var(--ease-out-quart) both}.modal{width:100%;max-width:28rem;background:var(--color-surface);border:1px solid var(--color-rule-glow);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);animation:fade-up var(--duration-normal) var(--ease-out-expo) both;overflow:hidden}.modal__header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-rule)}.modal__title{font-size:var(--text-h3);font-weight:600;letter-spacing:-.02em}.modal__close{background:none;border:0;color:var(--color-ink-soft);cursor:pointer;font-size:1rem;padding:.25em;border-radius:var(--radius-sm);transition:color var(--duration-fast),background var(--duration-fast)}.modal__close:hover{color:var(--color-ink);background:var(--color-surface-2)}.modal__desc{padding:var(--space-md) var(--space-lg) 0;font-size:var(--text-small);color:var(--color-ink-muted);line-height:var(--leading-relaxed)}.modal form{padding:0 var(--space-lg) var(--space-lg)}.modal__actions{display:flex;justify-content:flex-end;gap:var(--space-sm);padding-top:var(--space-md);margin-top:var(--space-sm);border-top:1px solid var(--color-rule)}.reset-options{display:flex;flex-direction:column;gap:var(--space-xs);margin-top:var(--space-md)}.reset-option{display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-sm);border:1px solid var(--color-rule-glow);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--duration-fast),background var(--duration-fast)}.reset-option:hover{border-color:var(--color-ink-soft);background:var(--color-surface-2)}.reset-option--checked{border-color:#e0525259;background:#e052520a}.reset-option input[type=checkbox]{margin-top:2px;flex-shrink:0;accent-color:var(--color-error);width:1rem;height:1rem;cursor:pointer}.reset-option__title{font-size:var(--text-base);font-weight:600;color:var(--color-ink)}.reset-option__desc{font-size:var(--text-small);color:var(--color-ink-muted);margin-top:2px;line-height:var(--leading-snug)}.otp-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem;margin:var(--space-sm) 0}.otp-box{width:100%;height:3.25rem;text-align:center;font-family:var(--font-mono);font-size:1.5rem;font-weight:700;letter-spacing:0;padding:0;border:2px solid var(--color-rule-glow);border-radius:var(--radius-md);background:var(--color-surface-2);color:var(--color-ink);caret-color:var(--color-accent);transition:border-color var(--duration-fast),box-shadow var(--duration-fast),background var(--duration-fast);-moz-appearance:textfield}.otp-box:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-soft);background:var(--color-surface-3)}.otp-box--filled{border-color:#e8a02066;background:#e8a0200f}.otp-box:disabled{opacity:.5;cursor:not-allowed}.consent-row{display:flex;align-items:flex-start;gap:var(--space-2xs);padding:var(--space-xs) var(--space-sm);background:var(--color-surface-2);border:1px solid var(--color-rule-glow);border-radius:var(--radius-md);font-size:var(--text-small);color:var(--color-ink-muted);line-height:var(--leading-snug);cursor:pointer;transition:border-color var(--duration-fast),background var(--duration-fast)}.consent-row:hover{border-color:var(--color-ink-soft)}.consent-row:has(input:checked){border-color:#e8a02059;background:#e8a0200a;color:var(--color-ink)}.consent-row input[type=checkbox]{flex-shrink:0;margin-top:2px;width:1rem;height:1rem;cursor:pointer;accent-color:var(--color-accent)}@keyframes tt-spin{to{transform:rotate(360deg)}}@keyframes tt-twinkle{0%,to{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1.25)}}@keyframes tt-sparkle{0%,to{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.5)}}@keyframes tt-pulse-ring{0%,to{transform:scale(1);opacity:.45}50%{transform:scale(1.12);opacity:.85}}@keyframes tt-pulse-glow{0%,to{opacity:.55}50%{opacity:.95}}.theme-toggle{position:relative;width:2.5rem;height:2.5rem;padding:0;border:0;background:transparent;cursor:pointer;perspective:800px;flex:0 0 auto;border-radius:999px;transition:transform var(--duration-fast) var(--ease-out-quart)}.theme-toggle:hover{transform:translateY(-1px)}.theme-toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px}.theme-toggle__glow{position:absolute;inset:-4px;border-radius:999px;filter:blur(10px);pointer-events:none;animation:tt-pulse-glow 3s ease-in-out infinite}.theme-toggle--light .theme-toggle__glow{background:radial-gradient(circle,rgba(232,160,32,.45),rgba(255,180,60,.18) 60%,transparent 75%)}.theme-toggle--dark .theme-toggle__glow{background:radial-gradient(circle,rgba(120,140,220,.4),rgba(180,140,220,.18) 60%,transparent 75%)}.theme-toggle__orb{position:absolute;inset:0;border-radius:50%;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.16,1,.3,1)}.theme-toggle__face{position:absolute;inset:0;border-radius:50%;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:0 2px 10px #00000040,inset 0 1px 2px #ffffff4d}.theme-toggle__face--sun{transform:rotateY(0) translateZ(1px)}.theme-toggle__face--moon{transform:rotateY(180deg) translateZ(1px)}.theme-toggle__sun-bg{position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,#ffd765,#f5a623 55%,#c97a10)}.theme-toggle__rays{position:absolute;inset:0;animation:tt-spin 22s linear infinite}.theme-toggle__ray{position:absolute;top:50%;left:50%;width:2px;height:38%;background:linear-gradient(to top,rgba(255,255,255,.85),transparent);transform-origin:bottom center;border-radius:1px}.theme-toggle__sun-core{position:absolute;inset:18%;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff4c2,#ffb84a);box-shadow:inset 0 0 4px #ffffff80}.theme-toggle__sun-highlight{position:absolute;top:22%;left:24%;width:22%;height:22%;border-radius:50%;background:#ffffffa6;filter:blur(2px)}.theme-toggle__sparkle{position:absolute;width:3px;height:3px;border-radius:50%;background:#fff;box-shadow:0 0 4px #fffc;animation:tt-sparkle 1.4s ease-in-out infinite}.theme-toggle__moon-bg{position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,#4d5fb0,#2c2f6e 65%,#14163a)}.theme-toggle__stars{position:absolute;inset:0}.theme-toggle__star{position:absolute;width:2px;height:2px;border-radius:50%;background:#fff;animation:tt-twinkle 2s ease-in-out infinite}.theme-toggle__moon-surface{position:absolute;inset:14%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#f5f1e2,#c6c2b0 80%);box-shadow:inset 0 0 6px #00000026}.theme-toggle__crater{position:absolute;border-radius:50%;background:#786e5f59}.theme-toggle__crater--a{top:35%;right:25%;width:14%;height:14%}.theme-toggle__crater--b{bottom:30%;left:28%;width:11%;height:11%}.theme-toggle__crater--c{top:50%;left:42%;width:7%;height:7%}.theme-toggle__moon-highlight{position:absolute;top:18%;left:24%;width:28%;height:28%;border-radius:50%;background:#ffffff8c;filter:blur(3px)}.theme-toggle__moon-shadow{position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 70% 30%,transparent 35%,rgba(20,22,50,.45) 75%)}.theme-toggle__ring{position:absolute;inset:0;border-radius:50%;border:2px solid transparent;pointer-events:none;opacity:0;transition:opacity var(--duration-fast) var(--ease-out-quart)}.theme-toggle:hover .theme-toggle__ring,.theme-toggle:focus-visible .theme-toggle__ring{opacity:1;animation:tt-pulse-ring 1.6s ease-in-out infinite}.theme-toggle--light .theme-toggle__ring{border-color:#e8a02099}.theme-toggle--dark .theme-toggle__ring{border-color:#96a5e699}.nav-toggle{display:none;position:relative;width:2.75rem;height:2.75rem;margin-left:auto;padding:0;background:transparent;border:0;cursor:pointer;border-radius:var(--radius-md);z-index:110;transition:background var(--duration-fast)}.nav-toggle:hover{background:var(--color-surface-2)}.nav-toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.nav-toggle__bar{position:absolute;left:50%;top:50%;width:1.25rem;height:2px;margin-left:-.625rem;background:var(--color-ink);border-radius:1px;transition:transform var(--duration-normal) var(--ease-out-expo),opacity var(--duration-fast)}.nav-toggle__bar:nth-child(1){transform:translateY(-6px)}.nav-toggle__bar:nth-child(2){transform:translateY(0)}.nav-toggle__bar:nth-child(3){transform:translateY(6px)}.nav-toggle--open .nav-toggle__bar:nth-child(1){transform:translateY(0) rotate(45deg)}.nav-toggle--open .nav-toggle__bar:nth-child(2){opacity:0;transform:scaleX(0)}.nav-toggle--open .nav-toggle__bar:nth-child(3){transform:translateY(0) rotate(-45deg)}.nav-backdrop{position:fixed;inset:0;z-index:95;background:var(--color-overlay);backdrop-filter:blur(2px);animation:fade-in var(--duration-fast) var(--ease-out-quart) both}@media (max-width: 48rem){.container{padding:var(--space-sm)}.site-header__inner{gap:var(--space-sm);padding:0 var(--space-sm)}.nav-toggle{display:inline-flex;align-items:center;justify-content:center}.nav{position:fixed;inset:3.5rem 0 auto;flex-direction:column;align-items:stretch;gap:var(--space-2xs);padding:var(--space-md);margin:0;background:var(--color-paper-translucent);backdrop-filter:saturate(140%) blur(16px);-webkit-backdrop-filter:saturate(140%) blur(16px);border-bottom:1px solid var(--color-rule);box-shadow:var(--shadow-lg);z-index:100;transform:translateY(-110%);opacity:0;pointer-events:none;transition:transform var(--duration-normal) var(--ease-out-expo),opacity var(--duration-fast)}.nav--open{transform:translateY(0);opacity:1;pointer-events:auto}.nav__link,.nav__signout{width:100%;justify-content:flex-start;padding:.7rem var(--space-sm);font-size:var(--text-base);border-radius:var(--radius-md)}.nav__sep{width:100%;height:1px;margin:var(--space-2xs) 0}.nav__user{width:100%}.nav .theme-toggle{align-self:flex-start;margin:var(--space-2xs) 0}.nav .btn{width:100%;justify-content:center}.home-hero{padding:var(--space-lg) 0 var(--space-md)}.home-hero__inner{grid-template-columns:1fr;gap:var(--space-md)}.hero-score{padding:var(--space-sm) var(--space-md);min-width:0;align-self:flex-start}.home-stats{padding:var(--space-sm) 0;gap:var(--space-2xs)}.test-row{grid-template-columns:1fr;gap:var(--space-xs);padding:var(--space-md) 0}.test-row__num{font-size:var(--text-h3);padding-top:0}.test-row__modules{gap:var(--space-sm)}.module-block{min-width:0;flex:1 1 100%}.library-grid{grid-template-columns:repeat(auto-fill,minmax(7rem,1fr))}.feature-grid{padding:var(--space-md) 0;gap:var(--space-sm)}.feature-card{padding:var(--space-md)}.feature-card__nums{gap:var(--space-sm)}.section-head{flex-direction:column;align-items:flex-start;gap:var(--space-2xs);padding-top:var(--space-md)}.reading-shell{padding:var(--space-sm);gap:var(--space-md)}.passage h1{font-size:var(--text-h3)}.q-group{padding:var(--space-sm)}.q-group__head{flex-wrap:wrap;gap:var(--space-2xs)}.q-group__shared dl{grid-template-columns:1fr}.q-row{grid-template-columns:2rem 1fr;gap:var(--space-2xs)}.q-row__num{font-size:var(--text-base)}.audio-player{padding:var(--space-2xs) var(--space-xs);gap:var(--space-xs);top:3.5rem}.audio-player__btn{width:2.75rem;height:2.75rem;font-size:1rem}.audio-player__speed{padding:4px 6px}.attempt-bar{padding:var(--space-2xs) var(--space-sm);gap:var(--space-2xs);flex-wrap:wrap}.attempt-bar__progress{font-size:var(--text-micro)}.dash-grid{grid-template-columns:repeat(auto-fit,minmax(8rem,1fr))}.dash-trend-grid{grid-template-columns:1fr}.dash-heat__row{grid-template-columns:1fr;gap:var(--space-3xs)}.dash-heat__pct{text-align:left}.dash-table{font-size:var(--text-micro)}.dash-table th,.dash-table td{padding:var(--space-3xs)}.vocab-header{padding:var(--space-md) 0;gap:var(--space-sm)}.vocab-stats{gap:var(--space-sm)}.vocab-row{grid-template-columns:1fr;gap:var(--space-2xs);padding:var(--space-sm) 0}.vocab-row__right{flex-direction:row;align-items:center;align-self:flex-start;gap:var(--space-xs)}.fc-face{padding:var(--space-md)}.fc-rate-btn{min-width:0;max-width:none}.fc-ratings{gap:var(--space-2xs)}.settings-row{flex-direction:column;align-items:stretch;gap:var(--space-xs);padding:var(--space-md)}.modal{max-width:100%}.modal__header,.modal form,.modal__desc{padding-left:var(--space-md);padding-right:var(--space-md)}.auth-card{padding:var(--space-md)}.auth-card form .btn,form>.btn{width:100%}.brand{font-size:1rem}}@media (max-width: 30rem){.otp-grid{gap:.35rem}.otp-box{height:2.75rem;font-size:1.25rem;border-width:1px}.home-hero__title{font-size:clamp(2rem,1.5rem + 3vw,3rem)}.vocab-tabs{font-size:var(--text-micro)}.vocab-tab{padding:var(--space-2xs) var(--space-3xs)}.feature-card__nums{flex-wrap:wrap}}