:root{--bg: #f4f5f7;--surface: #ffffff;--ink: #151821;--muted: #5b6372;--line: #e1e4ea;--accent: #ea580c;--accent-strong: #c2410c;--on-accent: #ffffff;--accent-soft: #fff1e8;--ok: #15803d;--ok-soft: #e7f6ec;--bad: #b91c1c;--bad-soft: #fdeaea;--focus: #1d4ed8;--serif: ui-serif, "New York", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--radius: 14px;--tab-h: 64px;--flame: #f97316;--shine: rgb(255 255 255 / .6);--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in: cubic-bezier(.5, 0, .75, 0);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--dur-fast: .14s;--dur-base: .24s;--dur-slow: .42s;--dur-flip: .56s;--stagger: 36ms;--mv: 1;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #0e1015;--surface: #171a22;--ink: #eceef3;--muted: #a0a8b8;--line: #272b36;--accent: #fb923c;--accent-strong: #fdba74;--on-accent: #1d0d02;--accent-soft: #2a1a0e;--ok: #4ade80;--ok-soft: #12261a;--bad: #f87171;--bad-soft: #2b1517;--focus: #93c5fd;--flame: #fb923c;--shine: rgb(255 255 255 / .07);color-scheme:dark}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 var(--sans);-webkit-font-smoothing:antialiased}::selection{background:var(--accent-soft);color:var(--ink)}input{caret-color:var(--accent)}h1,h2,p,ul,dl,dd,fieldset{margin:0}h1{font-size:1.5rem;line-height:1.2;letter-spacing:-.01em;margin-bottom:1rem}h2{font-size:1.05rem}a{color:var(--accent-strong)}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.shell{max-width:680px;margin:0 auto;padding:0 16px calc(var(--tab-h) + 24px + env(safe-area-inset-bottom))}.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:-.01em}.top-nav,.nav-ink{display:none}.top-right{display:flex;align-items:center;gap:14px}.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 12px 3px 3px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-weight:700;font-variant-numeric:tabular-nums;text-decoration:none}.chip.lit{color:var(--ink)}.chip-num{display:inline-block;min-width:1ch;text-align:center}.flame{fill:var(--muted);stroke:var(--muted);stroke-width:1.5;stroke-linejoin:round}.chip.lit .flame{fill:var(--flame);stroke:var(--flame)}.ring{position:relative;display:inline-grid;place-items:center;flex:none}.ring>svg{position:absolute;inset:0;transform:rotate(-90deg)}.ring-track,.ring-arc{fill:none;stroke-width:3}.ring-track{stroke:var(--line)}.ring-arc{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset var(--dur-slow) var(--ease-out),opacity var(--dur-fast)}.ring.done .ring-arc{stroke:var(--ok)}.ring-in{position:relative;display:grid;place-items:center}.ring-text{font-weight:700;font-size:1.1rem;line-height:1;font-variant-numeric:tabular-nums}.ring-text small{font-size:.7rem;font-weight:600;color:var(--muted)}.today{display:flex;align-items:center;gap:16px;padding:14px 16px}.today .lead{margin:0;font-weight:650}.today-sub{margin-top:2px}.about-link{color:var(--muted);font-size:.9rem}.tabbar{position:fixed;inset:auto 0 0;z-index:10;display:grid;grid-template-columns:repeat(4,1fr);height:calc(var(--tab-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line)}.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.75rem;font-weight:600;color:var(--muted);text-decoration:none}.tabbar a[aria-current=page]{color:var(--accent-strong)}.tab-pill{position:absolute;top:0;left:0;width:25%;display:flex;justify-content:center;opacity:0;transform:translate(calc(var(--i, 0) * 100%));transition:transform var(--dur-slow) var(--ease-spring),opacity var(--dur-base)}.tab-pill:after{content:"";width:36px;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}.tabbar[data-on="1"] .tab-pill{opacity:1}.tab-icon{position:relative;display:inline-flex;transition:transform var(--dur-fast) var(--ease-out)}.tabbar a:active .tab-icon{transform:scale(.84)}.tabbar a[aria-current=page] .tab-icon svg{animation:tab-bounce var(--dur-slow) var(--ease-spring)}.badge{min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--accent-strong);color:var(--on-accent);font-size:.72rem;font-weight:700;line-height:20px;text-align:center}.tab-icon .badge{position:absolute;top:-6px;left:14px}.badge.soft{background:var(--accent-soft);color:var(--accent-strong);box-shadow:inset 0 0 0 1.5px var(--accent);overflow:hidden}@media(prefers-color-scheme:dark){.badge{background:var(--accent)}.badge.soft{background:var(--accent-soft)}}@media(min-width:720px){.shell{padding-bottom:48px}.tabbar,.about-link{display:none}.after{bottom:12px}.top{padding:22px 0 18px}.top-nav{position:relative;display:flex;gap:4px}.nav-ink{display:block;position:absolute;left:0;bottom:-3px;width:1px;height:3px;border-radius:2px;background:var(--accent);transform-origin:0 50%;transform:translate(calc(var(--x, 0) * 1px)) scaleX(var(--w, 0));opacity:0;transition:transform var(--dur-slow) var(--ease-out),opacity var(--dur-base)}.top-nav[data-on="1"] .nav-ink{opacity:1}.top-nav a{white-space:nowrap;display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;color:var(--muted);font-weight:600;font-size:.95rem;text-decoration:none}.top-nav a:hover{background:var(--surface)}.top-nav a[aria-current=page]{color:var(--accent-strong)}}.field{display:grid;gap:6px;margin-bottom:14px}label,legend{font-size:.88rem;font-weight:600}.muted{color:var(--muted);font-weight:400}input[type=search],input[type=email],input[type=password],input:not([type]),input[type=text]{width:100%;min-height:48px;padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit;font-size:1.05rem}input:focus-visible{outline-offset:0;border-color:var(--focus)}input.ok{border-color:var(--ok);animation:pop var(--dur-slow) var(--ease-spring)}input.bad{border-color:var(--bad);animation:shake .42s ease-in-out}button{font:inherit;cursor:pointer}.btn,.btn-outline,.btn-quiet,.btn-danger{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;border:1.5px solid transparent;font-weight:650;text-decoration:none;text-align:center;gap:8px;transition:transform var(--dur-fast) var(--ease-out)}.btn:active:not(:disabled),.btn-outline:active,.reveal:active{transform:scale(.97)}.btn{background:var(--accent-strong);color:var(--on-accent)}.btn:hover{filter:brightness(1.08)}.btn.big{width:100%;min-height:54px;font-size:1.05rem}.btn:disabled{cursor:default;filter:none}.btn.add{position:relative;display:inline-grid;min-width:12rem;isolation:isolate}.btn.add:before,.btn.add:after{content:"";position:absolute;inset:-1.5px;border-radius:inherit;opacity:0;transition:opacity var(--dur-base)}.btn.add:before{z-index:-1;background:var(--ok-soft)}.btn.add:after{border:1.5px solid var(--ok)}.btn.added:before,.btn.added:after{opacity:1}.lbl{grid-area:1 / 1;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:opacity var(--dur-base),transform var(--dur-base) var(--ease-out)}.lbl-done{color:var(--ok);opacity:0;transform:scale(calc(1 - .2 * var(--mv)))}.btn.added .lbl-add{opacity:0;transform:translateY(calc(-8px * var(--mv)))}.btn.added .lbl-done{opacity:1;transform:none}.btn.just{animation:pop var(--dur-slow) var(--ease-spring)}@media(prefers-color-scheme:dark){.btn{background:var(--accent)}}.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}.btn-outline:hover{border-color:var(--muted)}.btn-quiet{min-height:40px;padding:0 12px;background:transparent;color:var(--muted)}.btn-quiet:hover{color:var(--ink)}.btn-danger{min-height:40px;padding:0 12px;background:var(--bad);color:#fff}@media(prefers-color-scheme:dark){.btn-danger{color:#1a0707}}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex:none;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);color:var(--ink)}.icon-btn:hover{border-color:var(--accent);color:var(--accent-strong)}.icon-btn:active{transform:scale(.92)}.speak{position:relative;transition:transform var(--dur-fast) var(--ease-out)}.speak:after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--accent);opacity:0;pointer-events:none}.speak.playing{color:var(--accent-strong);border-color:var(--accent)}.speak.playing:after{animation:ring-wave 1.1s var(--ease-out) infinite}.speak.playing .w1{animation:wave .9s ease-in-out infinite}.speak.playing .w2{animation:wave .9s ease-in-out .25s infinite}.actions{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 8px}.hint{color:var(--muted);font-size:.9rem;margin-top:8px}.error{color:var(--bad);font-weight:600;margin:4px 0 12px}.lead{font-size:1.05rem;margin-bottom:4px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px}.panel.center{text-align:center;padding:36px 18px}.panel.center .btn{margin-top:18px}.panel h2{margin-bottom:4px}.tag{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:.78rem;font-weight:650}.empty{padding:28px 0}.empty-title{font-weight:700;font-size:1.1rem;margin-bottom:6px}.empty p+p{margin-top:12px}.seg{display:inline-flex;padding:3px;margin:14px 0 16px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}.seg button{min-height:38px;padding:0 18px;border:0;border-radius:9px;background:transparent;color:var(--muted);font-weight:650}.seg button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px #00000026}.facts{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px;margin:12px 0}.facts dt{color:var(--muted)}.list{list-style:none;padding:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.rise{animation:rise var(--dur-base) var(--ease-out) backwards;animation-delay:calc(var(--i, 0) * var(--stagger))}.row{display:flex;align-items:center;gap:10px;padding:4px 8px 4px 0}.row+.row{border-top:1px solid var(--line)}.row-main{flex:1;min-width:0;display:grid;padding:10px 8px 10px 16px;color:inherit;text-decoration:none}.row-main:hover .row-word{color:var(--accent-strong)}.row-word{font-family:var(--serif);font-size:1.15rem;font-weight:600}.row-sub{color:var(--muted);font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.saved{color:var(--ok);font-size:.85rem;font-weight:650;white-space:nowrap}.due{color:var(--muted);font-size:.82rem;white-space:nowrap}.due-now{color:var(--accent-strong);font-weight:700}.row .tag{white-space:nowrap}.ipa{font-family:var(--sans);font-weight:400;font-size:.9rem;color:var(--muted)}.ipa.big{font-size:1.05rem}.back{margin-bottom:8px;font-size:.92rem}.detail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.headword{font-family:var(--serif);font-size:2.6rem;line-height:1.05;letter-spacing:-.02em;margin:0 0 4px;overflow-wrap:anywhere}.sense{margin-top:22px;padding-top:14px;border-top:1px solid var(--line)}.pos{font-style:italic;color:var(--accent-strong);font-weight:600;margin-bottom:2px}.vi{font-size:1.2rem;line-height:1.4;max-width:34em}.vi-list{list-style:none;padding:0;display:grid;gap:6px;font-size:1.15rem;line-height:1.4;max-width:34em}.example{margin-top:8px;padding-left:12px;border-left:3px solid var(--accent);color:var(--muted);max-width:38em}.example span{display:block}.sub{margin-bottom:6px}.defs{margin-top:8px;padding-left:20px;max-width:38em}.defs li+li{margin-top:4px}.prose{max-width:38em}.prose h2{margin:24px 0 6px}.prose p,.prose ul{margin-bottom:10px}.prose li{margin-bottom:8px}.due-hero{display:flex;align-items:baseline;gap:12px;margin-bottom:18px}.due-count{font-family:var(--serif);font-size:4.5rem;line-height:1;font-weight:600;color:var(--accent-strong)}.due-text{font-size:1.1rem;color:var(--muted)}.modes{border:0;padding:0;display:grid;gap:8px;margin-bottom:18px}.modes legend{margin-bottom:8px}.modes label{position:relative;display:grid;padding:12px 14px 12px 44px;background:var(--surface);border:1.5px solid var(--line);border-radius:12px;cursor:pointer}.modes label.on{border-color:var(--accent);background:var(--accent-soft)}.modes input{position:absolute;left:14px;top:16px;width:18px;height:18px;accent-color:var(--accent-strong);margin:0}.modes label:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:2px}.mode-name{font-weight:700}.mode-hint{color:var(--muted);font-size:.88rem;font-weight:400}.run-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.bar{flex:1;height:8px;border-radius:4px;background:var(--line);overflow:hidden}.bar span{display:block;height:100%;background:var(--accent);transform-origin:0 50%;transition:transform var(--dur-slow) var(--ease-out)}.run-count{color:var(--muted);font-size:.88rem;white-space:nowrap}.run-meta{display:flex;align-items:center;justify-content:space-between;min-height:30px;margin-bottom:10px}.run-chip{display:inline-flex;align-items:center;gap:6px;margin:0;color:var(--accent-strong);font-size:.9rem;font-weight:700;opacity:0;transform:translateY(calc(6px * var(--mv)));transition:opacity var(--dur-base),transform var(--dur-base) var(--ease-spring)}.run-chip.on{opacity:1;transform:none}.run-chip .flame{fill:var(--flame);stroke:var(--flame)}.digit{min-width:1ch;text-align:center}.due-count span{display:inline-block}.deal{animation:deal var(--dur-slow) var(--ease-out) backwards}.swipe{position:relative;perspective:1200px;border-radius:22px;touch-action:pan-y;user-select:none;-webkit-user-select:none;cursor:grab}.swipe:active{cursor:grabbing}.inner{display:grid;transform-style:preserve-3d;transition:transform var(--dur-flip) var(--ease-out)}.inner.flipped{transform:rotateY(180deg)}.face{grid-area:1 / 1;min-height:300px;padding:20px 22px 24px;border-radius:22px;backface-visibility:hidden;-webkit-backface-visibility:hidden;transition:visibility 0s linear}.face.front{display:flex;flex-direction:column;background:var(--accent);color:#fff;box-shadow:0 14px 30px -14px #ea580ca6}.face.back{transform:rotateY(180deg);background:var(--surface);border:1.5px solid var(--line);visibility:hidden;transition-delay:var(--dur-flip)}.inner.flipped .front{visibility:hidden;transition-delay:var(--dur-flip)}.inner.flipped .back{visibility:visible;transition-delay:0s}.face.front .icon-btn{background:#ffffff2e;border-color:#ffffff80;color:#fff}.face.front .icon-btn:hover{background:#ffffff4d;color:#fff}.face.front .speak.playing{color:#fff;border-color:#fff}.face.front .speak:after{border-color:#fff}.face.front :focus-visible{outline-color:#fff}.flash-top{display:flex;justify-content:space-between}.flash-word{margin:auto 0 4px;font-family:var(--serif);font-size:clamp(2.6rem,14vw,4.2rem);line-height:1.02;letter-spacing:-.02em;font-weight:600;overflow-wrap:anywhere;text-shadow:0 1px 0 rgb(0 0 0 / .12)}.flash-ipa{font-size:1.1rem;opacity:.95}.reveal{margin-top:28px;min-height:48px;border:2px solid rgb(255 255 255 / .85);border-radius:12px;background:transparent;color:#fff;font-weight:700;transition:transform var(--dur-fast) var(--ease-out)}.back-word{font-family:var(--serif);font-size:1.7rem;font-weight:600;margin-bottom:8px}.tint{position:absolute;inset:0;display:grid;place-items:center;border-radius:22px;opacity:0;pointer-events:none;color:#fff;font-size:1.7rem;font-weight:800}.tint-good{background:#168242d1}.tint-again{background:#c03030d1}.swipe-hint{margin-top:10px;color:var(--muted);font-size:.85rem;text-align:center}.after{position:sticky;bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 8px);z-index:1;min-height:62px;margin-top:14px;opacity:0;visibility:hidden;transform:translateY(calc(10px * var(--mv)));transition:opacity var(--dur-base),transform var(--dur-base) var(--ease-out),visibility 0s linear var(--dur-base)}.after.show{opacity:1;visibility:visible;transform:none;transition-delay:calc(var(--dur-flip) * .45),calc(var(--dur-flip) * .45),0s}.ratings{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.rate{box-shadow:0 4px 14px #00000014;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:62px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font-weight:700;transition:transform var(--dur-fast) var(--ease-out)}.rate small{font-weight:500;color:var(--muted)}.rate:hover{transform:translateY(-2px)}.rate:active{transform:scale(.96)}.r-again{border-color:var(--bad)}.r-hard{border-color:#b45309}.r-good{border-color:var(--ok)}.r-easy{border-color:var(--focus)}.quiz{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px 20px}.q-head{font-size:.95rem;color:var(--muted);font-weight:600;margin-bottom:12px}.q-word{font-family:var(--serif);font-size:clamp(2.2rem,11vw,3.4rem);font-weight:600;line-height:1.1;letter-spacing:-.02em;margin-bottom:18px;overflow-wrap:anywhere}.q-meaning{font-size:1.5rem;line-height:1.3;margin-bottom:18px}.listen{display:flex;align-items:center;gap:12px;margin-bottom:18px;color:var(--muted)}.listen .icon-btn{width:64px;height:64px;background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}.options{display:grid;gap:10px}.option{position:relative;isolation:isolate;min-height:54px;padding:10px 16px;text-align:left;border-radius:12px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);font-size:1.05rem}.option:hover:not(:disabled){border-color:var(--accent)}.option:disabled{cursor:default}.option:before,.option:after{content:"";position:absolute;border-radius:inherit;pointer-events:none;opacity:0}.option:before{inset:0;z-index:-1;background:var(--tint, transparent);transition:opacity var(--dur-base)}.option:after{inset:-3px;border-radius:15px}.option.ok{--tint: var(--ok-soft);border-color:var(--ok);font-weight:650}.option.bad{--tint: var(--bad-soft);border-color:var(--bad);animation:shake .42s ease-in-out 0s}.option.ok:before,.option.bad:before{opacity:1}.option.picked{animation:pulse var(--dur-slow) var(--ease-spring) 0s}.option.picked:after{border:2px solid var(--ok);animation:ring-out .6s var(--ease-out) 0s}.option.glow:after{opacity:1;box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 40%,transparent),0 0 18px color-mix(in srgb,var(--ok) 45%,transparent);animation:glow-in var(--dur-slow) var(--ease-out) .24s backwards}.option.dim{opacity:.55;transition:opacity var(--dur-base)}.type-form{display:grid;gap:10px}.feedback-slot:not(:empty){margin-top:18px}.feedback{padding:14px 16px;border-radius:12px;border:1.5px solid;animation:rise var(--dur-base) var(--ease-out) backwards}.feedback.ok{background:var(--ok-soft);border-color:var(--ok)}.feedback.bad{background:var(--bad-soft);border-color:var(--bad)}.feedback-title{font-weight:700}.feedback .btn{margin-top:12px;width:100%}.hello{margin-bottom:2px}.hello-sub{margin-bottom:18px;color:var(--muted)}.hello-sub a{font-weight:650}.welcome-empty{padding:18px 0 8px;text-align:center}.welcome-empty svg{display:block;margin:0 auto 8px;overflow:visible}.welcome-empty .hint{max-width:30em;margin:0 auto}.il-back{fill:var(--surface);stroke:var(--line);stroke-width:2}.il-front{fill:var(--accent)}.il-aa{fill:#fff;font:700 26px var(--serif)}.il-line{fill:#fff9}.il-spark{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;animation:twinkle 3s ease-in-out infinite}.il-spark.s2{animation-delay:1s}.il-spark.s3{fill:var(--accent);stroke:none;animation-delay:2s}.float{animation:float 4.5s ease-in-out infinite}.try{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:16px 0 0;padding:0;list-style:none}.try li{animation:rise var(--dur-base) var(--ease-out) backwards;animation-delay:calc(var(--i, 0) * var(--stagger) + .12s)}.chip-btn{min-height:44px;padding:0 18px;border:1.5px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font-family:var(--serif);font-size:1.08rem;font-weight:600;transition:transform var(--dur-fast) var(--ease-out)}.chip-btn:hover{border-color:var(--accent);color:var(--accent-strong);transform:translateY(-2px)}.chip-btn:active{transform:scale(.95)}.sk{position:relative;display:block;overflow:hidden;border-radius:8px;background:var(--line)}.sk:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--shine),transparent);transform:translate(-100%);animation:shimmer 1.3s ease-in-out infinite}.sk-row .row-main{gap:8px;padding-block:14px}.sk-gap{display:grid;gap:10px;margin-top:14px}.done .ok-mark{margin:0 auto 14px}.done h1{margin-bottom:6px}.tiles{display:grid;grid-template-columns:repeat(3,1fr);margin:24px 0 14px}.tiles>div{display:flex;flex-direction:column-reverse;gap:2px}.tiles>div+div{border-left:1px solid var(--line)}.tiles dd{margin:0;font-family:var(--serif);font-size:2.3rem;font-weight:600;line-height:1.1}.tiles dt{color:var(--muted);font-size:.85rem}.num{font-variant-numeric:tabular-nums}.done-next{color:var(--muted)}.panel.center .center-actions{justify-content:center;margin-top:18px}.panel.center .center-actions .btn{margin-top:0}.ok-mark{position:relative;display:inline-grid;place-items:center;flex:none;border-radius:50%;background:var(--ok);color:#fff;animation:ok-pop var(--dur-slow) var(--ease-spring)}.ok-mark:after{content:"";position:absolute;inset:-3px;border:2px solid var(--ok);border-radius:50%;opacity:0;animation:ring-out .7s var(--ease-out) .12s}.welcome{display:flex;align-items:center;gap:12px;margin:0 0 14px;padding:10px 12px;border-radius:12px;background:var(--ok-soft);color:var(--ok);font-weight:650;animation:rise var(--dur-base) var(--ease-out) backwards}.status-line{display:flex;align-items:center;gap:8px;min-height:1.7em}.spin{flex:none;animation:spin .8s linear infinite}.fx{position:fixed;inset:0;z-index:60;overflow:hidden;pointer-events:none}.fx-bit,.fx-text,.fx-chip{position:absolute;will-change:transform,opacity}.fx-bit{border-radius:2px}.fx-text{color:var(--ok);font-size:1.25rem;font-weight:800;white-space:nowrap;padding:3px 14px;border-radius:999px;background:var(--surface);box-shadow:0 6px 16px -6px #00000059}.fx-plus{font-size:1.6rem}.fx-again{color:var(--muted)}.fx-goal{color:var(--accent-strong)}.fx-chip{padding:6px 14px;border-radius:999px;background:var(--accent-strong);color:var(--on-accent);font-family:var(--serif);font-weight:650;box-shadow:0 8px 20px -6px #0006}#main{view-transition-name:page}::view-transition{pointer-events:none}::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}::view-transition-old(page){animation:vt-out var(--dur-fast) var(--ease-in) both}::view-transition-new(page){animation:vt-in var(--dur-base) var(--ease-out) both}.no-vt #main{animation:vt-in var(--dur-base) var(--ease-out) backwards}@keyframes vt-out{to{opacity:0;transform:translate(calc(var(--vt-dir, 1) * -24px * var(--mv)))}}@keyframes vt-in{0%{opacity:0;transform:translate(calc(var(--vt-dir, 1) * 32px * var(--mv)))}}@keyframes rise{0%{opacity:0;transform:translateY(calc(12px * var(--mv)))}}@keyframes deal{0%{opacity:0;transform:translate3d(calc(26px * var(--mv)),calc(34px * var(--mv)),0) rotate(calc(4deg * var(--mv))) scale(calc(1 - .05 * var(--mv)))}}@keyframes pop{40%{transform:scale(calc(1 + .1 * var(--mv)))}}@keyframes pulse{35%{transform:scale(calc(1 + .035 * var(--mv)))}}@keyframes ok-pop{0%{opacity:0;transform:scale(calc(1 - .8 * var(--mv)))}}@keyframes ring-out{0%{opacity:.8;transform:scale(1)}to{opacity:0;transform:scale(calc(1 + .12 * var(--mv)))}}@keyframes glow-in{0%{opacity:0}}@keyframes shake{20%,60%{transform:translate(calc(-7px * var(--mv)))}40%,80%{transform:translate(calc(7px * var(--mv)))}90%{transform:translate(calc(-2px * var(--mv)))}}@keyframes tab-bounce{30%{transform:translateY(calc(-6px * var(--mv))) scale(calc(1 + .12 * var(--mv)))}60%{transform:translateY(calc(1px * var(--mv)))}}@keyframes digit-in{0%{opacity:0;transform:perspective(240px) translateY(calc(.6em * var(--mv))) rotateX(calc(-80deg * var(--mv)))}}[data-tick],.digit{display:inline-block}[data-tick],.digit{animation:digit-in var(--dur-base) var(--ease-spring) backwards}.chip-num[data-tick]{color:var(--flame)}@keyframes shimmer{to{transform:translate(100%)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes float{50%{transform:translateY(-7px)}}@keyframes twinkle{50%{opacity:.2}}@keyframes wave{0%,to{opacity:.25}50%{opacity:1}}@keyframes ring-wave{0%{opacity:.6;transform:scale(.95)}to{opacity:0;transform:scale(1.35)}}@keyframes breathe{50%{opacity:.45}}@media(prefers-color-scheme:dark){.face.front{color:var(--on-accent);box-shadow:0 14px 30px -14px #fb923c59}.face.front .icon-btn{background:#0000001f;border-color:#00000059;color:var(--on-accent)}.face.front .icon-btn:hover,.face.front .speak.playing{background:#00000038;color:var(--on-accent);border-color:var(--on-accent)}.face.front .speak:after{border-color:var(--on-accent)}.face.front :focus-visible{outline-color:var(--on-accent)}.flash-word{text-shadow:none}.reveal{border-color:#1d0d02bf;color:var(--on-accent)}.il-aa{fill:var(--on-accent)}.il-line{fill:#1d0d0266}.ok-mark{color:#052e16}.btn.add:after{border-color:var(--ok)}}@media(prefers-reduced-motion:reduce){:root{--mv: 0;--dur-fast: 90ms;--dur-base: .14s;--dur-slow: .18s;--dur-flip: .16s;--stagger: 0ms}.float,.il-spark,.speak.playing:after,.speak.playing .w1,.speak.playing .w2,.sk:after,.ok-mark:after,.option.picked:after{animation:none}.speak.playing .w1,.speak.playing .w2{opacity:1}.spin{animation:breathe 1.2s ease-in-out infinite}.tab-pill,.nav-ink,.bar span{transition-duration:var(--dur-base)}.inner,.inner.flipped{transform:none;transition:none}.face{transition:opacity var(--dur-base),visibility 0s linear var(--dur-base)}.face.back{transform:none;opacity:0}.inner.flipped .back{opacity:1;transition-delay:0s}.inner.flipped .front{opacity:0}.tint{transition:opacity var(--dur-fast)}}