@font-face{font-family:Shippori Mincho;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/shippori-mincho-600.woff2) format("woff2")}@font-face{font-family:Shippori Mincho;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/shippori-mincho-700.woff2) format("woff2")}@font-face{font-family:Shippori Mincho;font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/shippori-mincho-800.woff2) format("woff2")}@font-face{font-family:Zen Kaku Gothic New;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/zen-kaku-gothic-new-400.woff2) format("woff2")}@font-face{font-family:Zen Kaku Gothic New;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/zen-kaku-gothic-new-500.woff2) format("woff2")}@font-face{font-family:Zen Kaku Gothic New;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/zen-kaku-gothic-new-700.woff2) format("woff2")}@font-face{font-family:Klee One;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/klee-one-400.woff2) format("woff2")}@font-face{font-family:Klee One;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/klee-one-600.woff2) format("woff2")}@font-face{font-family:Space Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/space-mono-400.woff2) format("woff2")}@font-face{font-family:Space Mono;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/space-mono-700.woff2) format("woff2")}:root{--font-scale: 1;--font-ui: "Zen Kaku Gothic New", "Segoe UI", "Yu Gothic UI", system-ui, sans-serif;--font-jp: "Zen Kaku Gothic New", "Segoe UI", "Yu Gothic UI", "Hiragino Sans", sans-serif;--font-hand: "Klee One", "Zen Kaku Gothic New", serif;--font-display: "Shippori Mincho", "Georgia", "Yu Mincho", serif;--font-mono: "Space Mono", ui-monospace, "Consolas", monospace;--radius-control: 5px;--radius-card: 9px;--radius-seal: 12px;--body-bg: #1b1610;--panel: #2a2216;--surface-2: #362b1b;--sunk: #100d07;--border: #4a3d26;--border-strong: #675334;--text: #efe6d2;--muted: #c6b898;--faint: #93825f;--accent: #d9a445;--accent-rgb: 217, 164, 69;--accent-deep: #b5852f;--on-accent: #1a120e;--seal: #e0674a;--seal-rgb: 224, 103, 74;--seal-deep: #c14e33;--on-seal: #1a120e;--good: #9ab473;--danger: #e0674a;--gold: #d3a24a;--overlay-bg: #1b1610;--cheat-bg: rgba(27, 22, 16, .9);--card-selected: #362b1b;--hover-bg: rgba(236, 226, 205, .05);--bar-bg: #100d07;--grid-ink: rgba(236, 226, 205, .055);--lift-1: 0 1px 0 rgba(255, 255, 255, .03) inset, 0 2px 6px rgba(0, 0, 0, .4);--lift-2: 0 1px 0 rgba(255, 255, 255, .04) inset, 0 16px 34px -16px rgba(0, 0, 0, .62);--press: inset 0 2px 6px rgba(0, 0, 0, .5);--seal-shadow: 0 2px 6px rgba(0, 0, 0, .45), 0 10px 22px -8px rgba(0, 0, 0, .55)}:root[data-theme=light]{--body-bg: #efe7d3;--panel: #f6f1e4;--surface-2: #fdfaf1;--sunk: #ded2b6;--border: #cfc0a0;--border-strong: #a8996f;--text: #201b13;--muted: #574d3a;--faint: #857a5f;--accent: #9c6a12;--accent-rgb: 156, 106, 18;--accent-deep: #7c530e;--on-accent: #fbf5e6;--seal: #c2412a;--seal-rgb: 194, 65, 42;--seal-deep: #a5331e;--on-seal: #fbf5e6;--good: #5c7a39;--danger: #c2412a;--gold: #b8842b;--overlay-bg: #efe7d3;--cheat-bg: rgba(239, 231, 211, .9);--card-selected: #fdfaf1;--hover-bg: rgba(36, 31, 24, .05);--bar-bg: #ded2b6;--grid-ink: rgba(36, 31, 24, .07);--lift-1: 0 1px 0 rgba(255, 255, 255, .5) inset, 0 1px 2px rgba(36, 31, 24, .1), 0 4px 10px -6px rgba(36, 31, 24, .18);--lift-2: 0 1px 0 rgba(255, 255, 255, .5) inset, 0 2px 4px rgba(36, 31, 24, .1), 0 14px 30px -14px rgba(36, 31, 24, .3);--press: inset 0 2px 5px rgba(36, 31, 24, .22);--seal-shadow: 0 2px 5px rgba(120, 30, 18, .3), 0 8px 20px -8px rgba(120, 30, 18, .35)}.hidden,[hidden]{display:none!important}.icon{width:1em;height:1em;vertical-align:middle;fill:currentColor;flex-shrink:0}.icon-host{display:inline-flex;align-items:center;line-height:1}.icon-btn .icon{width:1.1em;height:1.1em}*{box-sizing:border-box}*,*:before,*:after{transition:background-color .3s ease,border-color .3s ease,color .3s ease,box-shadow .3s ease,transform .08s ease}html.preload *,html.preload *:before,html.preload *:after{transition:none!important}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}html,body{margin:0;height:100%;overflow:hidden;background:var(--body-bg);color:var(--text);font-family:var(--font-ui);font-size:calc(16px * var(--font-scale, 1))}#app{position:relative;width:100vw;height:100vh;overflow:hidden}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.mobile-banner{position:fixed;top:0;left:0;right:0;z-index:300;display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--seal);color:var(--on-seal);font-size:14px;line-height:1.35;box-shadow:var(--lift-2)}.mobile-banner p{margin:0;flex:1}.mobile-banner-dismiss{background:transparent;border:none;color:inherit;font-size:22px;line-height:1;padding:4px 10px;cursor:pointer;flex:0 0 auto}#game-viewport{position:absolute;width:960px;height:640px;transform-origin:top left;will-change:transform}#game{position:absolute;border-radius:var(--radius-card)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;gap:11px;background-color:var(--overlay-bg);background-image:radial-gradient(120% 90% at 50% 0%,transparent 55%,var(--overlay-bg) 100%),linear-gradient(var(--grid-ink) 1px,transparent 1px),linear-gradient(90deg,var(--grid-ink) 1px,transparent 1px);background-size:100% 100%,34px 34px,34px 34px;background-repeat:no-repeat,repeat,repeat;text-align:center;padding:28px;overflow-y:auto}.overlay .screen{max-width:960px;margin-left:auto;margin-right:auto}.overlay:before,.overlay:after{content:"";flex:1 0 0px}#cheat{background:var(--cheat-bg);padding:clamp(12px,2vh,28px) 28px}#cheat h2{font-family:var(--font-display);font-size:clamp(18px,2.5vh,28px);margin:0 0 clamp(4px,.5vh,8px)}#cheat .hint{font-size:clamp(10px,1.2vh,14px);margin:clamp(2px,.5vh,8px) 0 0}#cheat:before,#cheat:after{flex:0 0 0px}.overlay::-webkit-scrollbar{width:4px}.overlay::-webkit-scrollbar-track{background:transparent}.overlay::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.overlay{scrollbar-width:thin;scrollbar-color:var(--border) transparent}h1{font-family:var(--font-display);font-size:36px;margin:0}h2{font-family:var(--font-display);font-size:28px;margin:0 0 8px}.tagline{color:var(--muted);margin:0}.over-config{color:var(--muted);font-family:var(--font-mono);font-size:14px;margin:-6px 0 0}button{font:inherit;font-family:var(--font-ui);font-weight:500;cursor:pointer;background:var(--panel);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-control);padding:11px 20px;box-shadow:var(--lift-1)}button:hover{border-color:var(--accent);transform:translateY(-1px)}button:active{transform:translateY(1px);box-shadow:var(--press)}.btn-seal{background:var(--seal);color:var(--on-seal);border-color:var(--seal-deep);font-weight:700}.btn-seal:hover{border-color:var(--seal);filter:brightness(1.05)}.btn-accent{background:var(--accent);color:var(--on-accent);border-color:var(--accent-deep);font-weight:700}.btn-accent:hover{border-color:var(--accent);filter:brightness(1.05)}.btn-ghost,button.ghost{background:transparent;border-color:transparent;box-shadow:none;color:var(--muted)}.btn-ghost:hover,button.ghost:hover{color:var(--text);background:var(--sunk);border-color:transparent;transform:none}button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}button:focus{outline:none}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.segmented button,.multi button,.mini-switch button,.help-icon,.back-btn,.progress-tab,.vocab-filter,.achievements-toggle,button.vocab-row{box-shadow:none}.segmented button:hover,.multi button:hover,.mini-switch button:hover,.help-icon:hover,.back-btn:hover,.progress-tab:hover,.vocab-filter:hover,.achievements-toggle:hover,button.vocab-row:hover{transform:none}.segmented,.multi{display:flex;width:100%;border:1px solid var(--border-strong);border-radius:var(--radius-control);overflow:hidden;background:var(--sunk);box-shadow:var(--press)}.segmented button,.multi button{flex:1;padding:7px 13px;border:none;border-radius:0;background:transparent;color:var(--muted);font-family:var(--font-ui);font-size:13px;font-weight:500;white-space:nowrap}.segmented button+button,.multi button+button{border-left:1px solid var(--border)}.segmented button:hover,.multi button:hover{color:var(--text)}.segmented button.selected{background:var(--surface-2);color:var(--accent);font-weight:700;border-radius:4px;box-shadow:var(--lift-1)}.multi button.selected{background:var(--surface-2);color:var(--good);font-weight:700;border-radius:4px;box-shadow:var(--lift-1)}.segmented.small button,.multi.small button{padding:6px 12px;font-size:13px}.segmented button:focus-visible,.multi button:focus-visible{outline-offset:-2px;position:relative;z-index:1}.top-switches{position:absolute;top:14px;right:14px;display:flex;gap:8px;align-items:center}.gear-btn{padding:6px 10px;font-size:16px;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--panel);color:var(--muted);box-shadow:var(--lift-1);line-height:1}.gear-btn:hover{color:var(--text);border-color:var(--accent)}.mini-switch{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--radius-control);overflow:hidden;background:var(--panel);box-shadow:var(--lift-1)}.mini-switch button{padding:5px 11px;font-family:var(--font-mono);font-size:12px;border:none;border-radius:0;background:transparent;color:var(--muted)}.mini-switch button+button{border-left:1px solid var(--border)}.mini-switch button:hover{color:var(--text)}.mini-switch button.selected{background:var(--text);color:var(--body-bg);font-weight:600}.screen{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%}.screen-title{font-family:var(--font-display);font-size:27px;margin:0;color:var(--text)}.back-btn{position:absolute;top:14px;left:14px;padding:6px 14px;font-size:13px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-control);color:var(--muted)}.back-btn:hover{color:var(--text);border-color:var(--accent)}.support-link{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--muted);text-decoration:none;border-bottom:1px solid transparent}.support-link:hover{color:var(--seal);border-bottom-color:var(--seal)}.support-icon{color:var(--seal);font-size:13px}.mode-cards{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.mode-card{position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 22px;min-width:160px;font-size:15px;font-weight:600;border-radius:var(--radius-card)}.mode-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--seal);transform:scaleY(0);transform-origin:50% 50%;transition:transform .18s ease}.mode-card:hover{transform:translateY(-2px);box-shadow:var(--lift-2);border-color:var(--border-strong)}.mode-card:hover:before{transform:scaleY(1)}.mode-icon{font-family:var(--font-hand);color:var(--seal);font-size:30px;line-height:1}.mode-label{font-family:var(--font-display);font-size:15px;font-weight:600}.mode-hint{font-size:12px;font-weight:400;color:var(--muted);max-width:160px}.cfg-panel{display:flex;flex-direction:column;align-items:center;gap:7px;width:100%;max-width:560px}.today-plan{display:flex;gap:12px;align-items:center;justify-content:center;margin:4px auto 8px;font-size:13px;font-family:var(--font-mono);color:var(--muted)}.today-item{display:inline-flex;gap:4px;align-items:center;font-family:var(--font-mono);color:var(--muted)}.today-item strong{color:var(--text);font-weight:600}.today-icon{font-size:14px}.today-check{color:var(--good);margin-left:4px;font-weight:700}.today-sep{color:var(--border-strong);opacity:.6}.onramp-panel{width:min(720px,calc(100vw - 32px));background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--lift-2);overflow:hidden;text-align:left}.orient-panel,.firststep-panel{width:min(600px,calc(100vw - 32px))}.onramp-head{display:flex;align-items:baseline;gap:9px;padding:14px 22px;border-bottom:1px solid var(--border)}.onramp-seal{display:inline-flex;align-items:center;justify-content:center;align-self:center;width:28px;height:34px;background:var(--seal);border-radius:5px;box-shadow:var(--seal-shadow);flex:none}.onramp-seal-kanji{writing-mode:vertical-rl;font-family:var(--font-display);font-weight:700;font-size:11px;line-height:1;color:var(--on-seal);letter-spacing:1px}.onramp-wm{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--text)}.onramp-wm-sub{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.14em;color:var(--faint)}.onramp-eyebrow{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--seal);margin:0 0 12px}.onramp-eyebrow-accent{color:var(--accent)}.onramp-center{text-align:center}.landing-cols{display:flex;min-height:380px}.landing-copy{flex:1.05 1 0;padding:30px 34px 26px;display:flex;flex-direction:column}.landing-title{font-family:var(--font-display);font-weight:700;font-size:30px;line-height:1.14;margin:0 0 12px;color:var(--text)}.landing-what{font-size:13.5px;line-height:1.62;color:var(--muted);margin:0 0 20px}.landing-pillars{display:flex;align-items:baseline;gap:18px;margin-bottom:26px;flex-wrap:wrap}.pillar{display:inline-flex;align-items:baseline;gap:6px}.pillar-glyph{font-family:var(--font-hand);font-size:19px;color:var(--text)}.pillar-glyph-seal{color:var(--seal)}.pillar-n5{font-family:var(--font-mono);font-weight:700;font-size:15px;color:var(--text)}.pillar-label{font-size:12px;color:var(--muted)}.landing-ctas{margin-top:auto;display:flex;flex-direction:column;gap:10px;align-items:flex-start}.landing-begin{font-size:16px;padding:12px 26px}.landing-zero-link{background:none;border:none;padding:0;box-shadow:none;font-size:13px;color:var(--accent);font-weight:600;cursor:pointer}.landing-zero-link:hover{text-decoration:underline;transform:none}.landing-fine{font-family:var(--font-mono);font-size:10px;letter-spacing:.04em;color:var(--faint);margin:0}.landing-demo{flex:.92 1 0;position:relative;border-left:1px solid var(--border);background:var(--surface-2);background-image:repeating-linear-gradient(0deg,var(--grid-ink) 0 1px,transparent 1px 34px),repeating-linear-gradient(90deg,var(--grid-ink) 0 1px,transparent 1px 34px);overflow:hidden;min-height:300px}.demo-danger{position:absolute;left:0;right:0;bottom:44px;border-top:1px dashed rgba(var(--seal-rgb),.45)}.demo-floor{position:absolute;left:0;right:0;bottom:0;height:44px;background:linear-gradient(rgba(var(--seal-rgb),.04),rgba(var(--seal-rgb),.11))}.demo-word{position:absolute;left:50%;top:26px;transform:translate(-50%)}.demo-fall{display:flex;flex-direction:column;align-items:center;gap:3px;animation:koba-fall 5.4s cubic-bezier(.4,0,.5,1) infinite}.demo-kana{font-family:var(--font-hand);font-size:11px;color:var(--faint);letter-spacing:2px}.demo-kanji{font-family:var(--font-hand);font-weight:600;font-size:40px;line-height:1;color:var(--text)}.demo-romaji{position:relative;font-family:var(--font-mono);font-size:13px;letter-spacing:1px;margin-top:3px}.demo-romaji-ghost{color:var(--faint)}.demo-romaji-typed{position:absolute;top:0;right:0;bottom:0;left:0;color:var(--seal);white-space:nowrap;overflow:hidden;animation:koba-type 5.4s cubic-bezier(.4,0,.5,1) infinite}.demo-note{position:absolute;left:12px;bottom:10px;font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--faint)}@keyframes koba-fall{0%{transform:translateY(-58px);opacity:0}12%{opacity:1}66%{transform:translateY(152px);opacity:1}75%{transform:translateY(152px) scale(1.12);opacity:1}85%{transform:translateY(152px) scale(.5);opacity:0}to{transform:translateY(-58px);opacity:0}}@keyframes koba-type{0%,12%{clip-path:inset(0 100% 0 0)}60%{clip-path:inset(0 0 0 0)}to{clip-path:inset(0 0 0 0)}}@media(prefers-reduced-motion:reduce){.demo-fall{animation:none;transform:translateY(96px)}.demo-romaji-typed{animation:none;clip-path:inset(0 0 0 0)}}@media(max-width:720px){.landing-cols{flex-direction:column}.landing-demo{border-left:none;border-top:1px solid var(--border);min-height:220px}}.orient-panel{padding:30px 34px}.orient-title{font-family:var(--font-display);font-weight:700;font-size:25px;line-height:1.2;margin:0 0 6px;text-align:center;color:var(--text)}.orient-help{font-size:12.5px;color:var(--muted);margin:0 0 22px;text-align:center}.orient-cards{display:flex;flex-direction:column;gap:12px}.orient-card{display:flex;align-items:center;gap:16px;width:100%;padding:14px 18px;text-align:left;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--lift-1);cursor:pointer}.orient-card:hover{border-color:var(--border-strong);box-shadow:var(--lift-2)}.orient-card.selected{border-color:var(--accent);background:var(--card-selected);box-shadow:var(--lift-2)}.orient-glyph{font-family:var(--font-hand);font-size:34px;line-height:1;color:var(--seal);width:40px;text-align:center;flex:none}.orient-text{display:flex;flex-direction:column;gap:2px}.orient-card-title{font-family:var(--font-display);font-weight:600;font-size:16px;color:var(--text)}.orient-card-desc{font-size:12.5px;color:var(--muted)}.orient-key{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--faint)}.orient-foot{display:flex;align-items:center;justify-content:space-between;margin-top:22px}.orient-foot .hint{margin:0}.firststep-panel{padding:28px 34px 30px}.firststep-title{font-family:var(--font-display);font-weight:700;font-size:26px;margin:0 0 20px;color:var(--text)}.step-card{background:var(--surface-2);border:1px solid var(--accent);border-radius:var(--radius-card);box-shadow:var(--lift-1);padding:20px 22px;margin-bottom:18px;display:flex;flex-direction:column;align-items:flex-start}.step-tag{font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--seal);margin-bottom:12px}.step-name{font-family:var(--font-display);font-weight:700;font-size:20px;margin:0 0 5px;color:var(--text)}.step-desc{font-size:13px;color:var(--muted);line-height:1.5;margin:0 0 14px}.step-glyphs{font-family:var(--font-hand);font-weight:600;font-size:30px;letter-spacing:6px;color:var(--text);margin:0 0 18px}.explore-row{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--panel);box-shadow:none;font-size:13.5px;color:var(--text);cursor:pointer}.explore-row:hover{border-color:var(--border-strong);box-shadow:var(--lift-1)}.explore-arrow{font-family:var(--font-mono);color:var(--accent)}.hub{width:min(900px,calc(100vw - 32px));background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--lift-2);overflow:hidden;text-align:left}.hub-head{display:flex;align-items:baseline;gap:9px;padding:13px 20px;border-bottom:1px solid var(--border)}.hub-body{padding:22px 26px 26px}.hub-title{font-family:var(--font-display);font-weight:700;font-size:26px;margin:0 0 18px;color:var(--text)}.hub-eyebrow{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin:0 0 12px}.donext{display:flex;align-items:center;gap:18px;background:var(--surface-2);border:1px solid var(--accent);border-radius:var(--radius-card);box-shadow:var(--lift-1);padding:16px 20px;margin-bottom:24px}.donext-glyph{display:inline-flex;width:52px;height:52px;border-radius:50%;border:2px solid var(--good);color:var(--good);align-items:center;justify-content:center;flex:none;font-family:var(--font-hand);font-size:24px;font-weight:600}.donext-glyph.donext-practice{border-color:var(--accent);color:var(--accent-deep, var(--accent))}.donext-glyph.donext-learn{border-color:var(--seal);color:var(--seal)}.donext-body{flex:1;min-width:0}.donext-top{display:flex;align-items:center;gap:10px;margin-bottom:4px;flex-wrap:wrap}.donext-tag{font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--seal)}.donext-title{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--text)}.donext-desc{font-size:12.5px;color:var(--muted);margin:0 0 4px}.donext-secondary{background:none;border:none;padding:0;box-shadow:none;font-size:12px;color:var(--accent);cursor:pointer;text-align:left}.donext-secondary:hover{text-decoration:underline;transform:none}.donext-cta{flex:none}.hub-cols{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap}.hub-ladder{flex:1.6 1 340px;min-width:300px}.hub-rail{flex:1 1 220px;min-width:210px;display:flex;flex-direction:column;gap:10px}.ladder-list{display:flex;flex-direction:column;gap:8px;max-height:46vh;overflow-y:auto;padding-right:4px}.ladder-sec{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--muted);margin:10px 0 0}.ladder-sec:first-child{margin-top:0}.rung{display:flex;align-items:center;gap:12px;padding:9px 13px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--panel)}.rung-dot{display:inline-flex;width:25px;height:25px;border-radius:50%;border:1.5px solid var(--border-strong);color:var(--good);align-items:center;justify-content:center;flex:none;font-size:13px}.rung-glyph{font-family:var(--font-hand);font-weight:600;font-size:18px;color:var(--text);width:26px;text-align:center;flex:none}.rung-label{font-size:13.5px;color:var(--text);flex:1;min-width:0}.rung-meta{font-family:var(--font-mono);font-size:11px;color:var(--faint);flex:none}.rung-mastered .rung-dot{border-color:var(--good)}.rung-kanacur .rung-dot{border:2px solid var(--accent);background:rgba(var(--accent-rgb),.12)}.rung-kanacur .rung-label{font-weight:600}button.rung{width:100%;text-align:left;font:inherit;cursor:pointer;box-shadow:none}button.rung:hover{opacity:.7;transform:none;border-color:var(--border);box-shadow:none}.rung-next{border-style:dashed;border-color:var(--border-strong);background:transparent}.rung-next .rung-dot{border-style:dashed}.rung-next .rung-label{color:var(--muted)}.rung-locked{opacity:.45}.rung-locked .rung-label{color:var(--muted)}.rung-current{flex-direction:column;align-items:stretch;gap:0;padding:13px 15px;border-color:var(--accent);background:var(--surface-2);box-shadow:var(--lift-1)}.rung-current .rung-head{display:flex;align-items:center;gap:12px;margin-bottom:11px}.rung-current .rung-dot{border:2px solid var(--accent);background:rgba(var(--accent-rgb),.12)}.rung-current .rung-glyph{color:var(--seal)}.rung-current .rung-label{font-weight:600}.rung-due-tag{font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--seal);flex:none}.rung-progress{display:flex;align-items:center;gap:10px;margin-bottom:12px}.rung-bar{flex:1;height:7px;border-radius:999px;background:var(--sunk);overflow:hidden}.rung-fill{height:100%;border-radius:999px;background:var(--accent)}.rung-pct{font-family:var(--font-mono);font-size:11px;color:var(--muted);flex:none}.rung-actions{display:flex;gap:9px}.rung-btn{padding:5px 14px;font-size:12px;border-radius:var(--radius-control);flex:none}.plus-chip{display:inline-flex;align-items:center;gap:4px;padding:1px 8px;border:1px solid var(--seal);color:var(--seal);border-radius:999px;font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.1em;flex:none}.ladder-more{margin:14px 0 0;padding-top:13px;border-top:1px dashed var(--border);display:flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--faint);text-align:center}.rail-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.rail-cell{border:1px solid var(--border);border-radius:var(--radius-control);padding:11px 12px;background:var(--panel);display:flex;flex-direction:column;gap:2px}.rail-num{font-family:var(--font-mono);font-weight:700;font-size:20px;color:var(--text)}.rail-good{color:var(--good)}.rail-seal{color:var(--seal)}.rail-label{font-size:11px;color:var(--muted)}.rail-next{display:flex;align-items:center;gap:8px;padding:10px 13px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface-2);font-size:12px;color:var(--muted)}.rail-loopnote{font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--accent);text-align:center;margin:4px 0 0}.return-eyebrow{text-align:center;color:var(--muted);margin-bottom:4px}.return-head{display:inline-flex;align-items:center;gap:10px;margin-bottom:2px}.return-head h2{margin:0}.return-score{font-family:var(--font-mono);font-weight:700;font-size:44px;line-height:1;color:var(--text);margin:4px 0 10px}.return-deltas{display:flex;justify-content:center;border:1px solid var(--border);border-radius:var(--radius-control);overflow:hidden;min-width:300px;margin-bottom:6px}.return-delta{flex:1;padding:10px 14px;display:flex;flex-direction:column;gap:2px;align-items:center}.return-delta+.return-delta{border-left:1px solid var(--border)}.return-delta-num{font-family:var(--font-mono);font-weight:700;font-size:20px}.return-delta-seal{color:var(--seal)}.return-delta-good{color:var(--good)}.return-delta-accent{color:var(--accent)}.return-delta-label{font-size:11px;color:var(--muted)}.return-saved{font-size:12.5px;line-height:1.55;color:var(--muted);max-width:380px;text-align:center;margin:0 0 6px}.return-substats{opacity:.85}.return-nudge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface-2);font-size:12px;color:var(--muted);margin:4px 0}.return-nudge-open{background:none;border:none;padding:0;box-shadow:none;color:var(--seal);font-size:12px;font-weight:600;cursor:pointer}.return-nudge-open:hover{text-decoration:underline;transform:none}.return-nudge-dismiss{background:none;border:none;padding:0 2px;box-shadow:none;color:var(--faint);font-size:14px;cursor:pointer;line-height:1}.return-nudge-dismiss:hover{color:var(--text);transform:none}.return-subrow{opacity:.9}.footer-links{display:inline-flex;align-items:center;gap:10px}.footer-sep{color:var(--border-strong);opacity:.6}.set-row{display:flex;align-items:center;gap:12px;max-width:480px;width:100%}.set-row .set-label{width:120px;min-width:120px;text-align:right;color:var(--muted);font-size:13px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:flex-end;gap:5px}.help-icon{background:transparent;border:1px solid var(--border);border-radius:50%;width:16px;height:16px;padding:0;margin:0;font-size:10px;line-height:1;font-weight:700;color:var(--muted);cursor:help;position:relative;flex-shrink:0;transition:border-color .12s ease,color .12s ease}.help-icon:hover,.help-icon:focus-visible{border-color:var(--accent);color:var(--accent)}.help-icon:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.help-icon:after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-control);padding:8px 12px;font-size:12px;line-height:1.45;font-weight:400;width:max-content;max-width:320px;text-align:left;white-space:normal;opacity:0;pointer-events:none;transition:opacity .15s ease;z-index:100;box-shadow:var(--lift-2)}.help-icon:hover:after,.help-icon:focus-visible:after{opacity:1}.help-icon.tooltip-below:after{bottom:auto;top:calc(100% + 8px)}.set-row .segmented,.set-row .multi{width:auto}.cfg-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;font:inherit;font-size:13px;background-color:var(--surface-2);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-control);box-shadow:var(--press);padding:6px 30px 6px 12px;cursor:pointer;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%23857a5f'/></svg>");background-repeat:no-repeat;background-position:right 10px center}.cfg-select:hover{border-color:var(--accent)}.cfg-select:focus{outline:none;border-color:var(--accent)}.trans-picker{display:flex;align-items:flex-end;gap:14px}.trans-picker label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:14px;text-align:left}.trans-picker select{-webkit-appearance:none;-moz-appearance:none;appearance:none;font:inherit;background-color:var(--surface-2);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-control);box-shadow:var(--press);padding:10px 34px 10px 12px;cursor:pointer;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%23857a5f'/></svg>");background-repeat:no-repeat;background-position:right 12px center}.trans-picker select:hover{border-color:var(--accent)}.trans-picker .arrow{font-size:24px;color:var(--accent);padding-bottom:8px}.quest-furigana-row{display:flex;align-items:center;gap:8px;cursor:pointer}.ja-form{display:flex;flex-direction:column;gap:8px;align-items:flex-start;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--lift-1);padding:12px 16px}.rec-line{color:var(--good);font-family:var(--font-mono);font-size:13px;font-weight:600;margin:0;height:20px;line-height:20px}.option-row{display:flex;flex-direction:column;gap:8px;align-items:flex-start;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--lift-1);padding:14px 18px;width:440px}.option-name{font-weight:600;color:var(--text)}.plus-status{font-size:13px;color:var(--muted);margin:0}.plus-status.active{color:var(--good);font-weight:600}.plus-buy{display:flex;gap:8px}.plus-buy-link{font-family:var(--font-mono);font-size:13px;text-decoration:none;color:var(--text);background:var(--panel);border:1px solid var(--border-strong);border-radius:var(--radius-control);padding:7px 14px;box-shadow:var(--lift-1)}.plus-buy-link:hover{border-color:var(--accent)}.plus-buy-primary{background:var(--seal);color:var(--on-seal);border-color:var(--seal-deep);font-weight:700}.plus-activate{display:flex;gap:8px;width:100%}.plus-key{flex:1;font:inherit;font-family:var(--font-mono);font-size:12px;padding:7px 10px;background:var(--surface-2);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-control);box-shadow:var(--press)}.plus-key:focus{outline:none;border-color:var(--accent)}#plus-activate{padding:7px 16px;font-size:13px}.segmented button.plus-locked{opacity:.45;cursor:not-allowed}.row{display:flex;gap:12px}.result{font-size:18px;margin:2px}.result strong{color:var(--accent)}.record{font-size:18px;font-weight:700;color:var(--seal);margin:0}.record.celebrate{animation:recordPop .8s ease-out}@keyframes recordPop{0%{transform:scale(.5);opacity:0}60%{transform:scale(1.15);opacity:1}to{transform:scale(1);opacity:1}}.record-diff{margin-left:8px;color:var(--gold);font-weight:600}.hint{color:var(--muted);font-family:var(--font-mono);letter-spacing:.04em;font-size:13px;margin:6px 0 0}.missed-section{margin:12px 0 4px;width:100%;max-width:460px}.missed-label{font-size:13px;color:var(--muted);margin:0 0 6px}.missed-list{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.missed-list li{font-family:var(--font-hand);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-control);box-shadow:var(--lift-1);padding:4px 10px;font-size:15px;color:var(--text)}.missed-list li .missed-reading{font-family:var(--font-mono);font-size:11px;color:var(--muted);margin-left:6px}.missed-train{font-size:14px;padding:6px 18px;border-radius:var(--radius-control)}.streak-bar{display:flex;align-items:center;justify-content:center;gap:6px;font-size:15px;color:var(--muted);margin:-4px 0 8px}.streak-bar #streak-fire{font-size:18px}.streak-bar #streak-current{font-weight:700;color:var(--text);font-size:18px}.streak-sep{opacity:.4}.streak-freeze{display:inline-flex;align-items:center;margin-left:8px;color:var(--seal);cursor:help;transition:opacity .2s}.streak-freeze.cooldown{opacity:.35}.streak-freeze-glyph{font-size:16px}.daily-card{text-align:center;padding:10px 16px;margin:2px auto 4px;max-width:420px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--panel);box-shadow:var(--lift-1)}.daily-header{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:4px}.daily-tag{font-size:11px;font-family:var(--font-mono);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--seal);background:transparent;padding:0;border-radius:0}.daily-name{font-size:16px;font-weight:600;color:var(--text);font-family:var(--font-display)}.daily-name-jp{font-size:14px;color:var(--muted);font-family:var(--font-hand)}.daily-desc{font-size:13px;color:var(--muted);margin:4px 0 8px}.daily-btn{font-size:14px;padding:6px 24px}.daily-done{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--good);color:var(--panel);font-weight:700;font-size:12px;margin-left:4px}.consent{position:absolute;left:0;right:0;bottom:0;z-index:10;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px;padding:12px 22px;background:var(--panel);border-top:1px solid var(--border);border-radius:0 0 var(--radius-card) var(--radius-card);font-size:13px;color:var(--muted)}.consent-actions{display:flex;gap:8px}.consent button{padding:8px 16px;font-size:13px}.study-top{position:absolute;top:14px;left:14px;right:14px;display:flex;align-items:center;justify-content:space-between}.study-top .back-btn{position:static}.study-progress{color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}#study-quiz{display:flex;flex-direction:column;align-items:center;gap:22px;width:100%;max-width:620px}.study-sentence{font-family:var(--font-hand);font-size:38px;font-weight:600;color:var(--text);margin:0;line-height:1.4}.study-blank{display:inline-block;min-width:1.4em;padding:0 6px;border-bottom:3px solid var(--accent);color:var(--accent)}.study-blank.filled-correct{color:var(--good);border-color:var(--good)}.study-blank.filled-wrong{color:var(--danger);border-color:var(--danger)}.study-options{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.study-options button{font-family:var(--font-hand);font-size:26px;font-weight:600;min-width:72px;padding:14px 0;color:var(--text)}.study-options button .opt-key{display:block;font-family:var(--font-mono);font-size:11px;font-weight:400;color:var(--muted)}.study-options button:hover{border-color:var(--accent)}.study-options button.correct{border-color:var(--good);color:var(--good)}.study-options button.wrong{border-color:var(--danger);color:var(--danger)}.study-options button:disabled{cursor:default;opacity:.9}.study-reveal{display:flex;flex-direction:column;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--lift-1);padding:16px 20px;width:100%}.study-meaning{font-size:17px;color:var(--text);margin:0}.study-why{font-size:14px;color:var(--muted);margin:0}.study-why strong{color:var(--accent)}.study-contrast{font-size:14px;color:var(--muted);margin:0;text-align:center}.study-contrast-line1{margin:0 0 2px}.study-contrast-particle{color:var(--danger);font-family:var(--font-jp);margin:0 4px;font-weight:600}.study-contrast-body{margin:0;color:var(--text)}#study-done{display:flex;flex-direction:column;align-items:center;gap:14px}.segmented[data-setting=particleLevel] button:disabled{opacity:.3;cursor:not-allowed}.cheat-table{display:grid;grid-template-columns:auto auto 1fr;gap:8px 18px;align-items:baseline;max-width:600px;text-align:left}.cheat-particle{font-family:var(--font-hand);font-size:26px;font-weight:600;color:var(--accent)}.cheat-romaji{font-family:var(--font-mono);font-size:14px;color:var(--muted)}.cheat-use{font-size:15px;color:var(--text)}.kana-columns{display:flex;gap:clamp(24px,4vw,64px);justify-content:center;align-items:flex-start;max-width:95vw;margin:0 auto}.kana-column{flex:0 1 auto}.kana-section-title{font-size:clamp(12px,1.8vh,20px);color:var(--muted);text-align:center;margin:0 0 clamp(2px,.5vh,8px);letter-spacing:.05em}.kana-col-row{display:grid;grid-template-columns:repeat(5,1fr);text-align:center;margin-bottom:1px}.kana-cells{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(0px,.2vh,3px);text-align:center}.kana-col-hdr{font-family:var(--font-mono);font-size:clamp(11px,1.6vh,18px);color:var(--accent);padding-bottom:1px}.kana-cell{display:flex;flex-direction:column;align-items:center;padding:clamp(1px,.3vh,6px) clamp(2px,.4vw,6px);border-radius:4px}.kana-cells>.kana-cell:nth-child(10n+6),.kana-cells>.kana-cell:nth-child(10n+7),.kana-cells>.kana-cell:nth-child(10n+8),.kana-cells>.kana-cell:nth-child(10n+9),.kana-cells>.kana-cell:nth-child(10n+10){background:var(--hover-bg)}.kana-cell.empty{visibility:hidden}.kana-3col .kana-col-row,.kana-3col .kana-cells{grid-template-columns:repeat(3,1fr)}.kana-3col .kana-cells>.kana-cell{background:none}.kana-3col .kana-cells>.kana-cell:nth-child(6n+4),.kana-3col .kana-cells>.kana-cell:nth-child(6n+5),.kana-3col .kana-cells>.kana-cell:nth-child(6n+6){background:var(--hover-bg)}.kana-hira{font-family:var(--font-hand);font-size:clamp(20px,4.5vh,42px);font-weight:600;color:var(--text);line-height:1.1}.kana-kata{font-family:var(--font-hand);font-size:clamp(13px,2.2vh,26px);color:var(--muted);line-height:1.1}.kana-rom{font-family:var(--font-mono);font-size:clamp(10px,1.5vh,18px);color:var(--accent);line-height:1.2}.vocab-btn{margin-top:4px;padding:6px 22px;font-size:14px;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--panel);color:var(--text);cursor:pointer}.vocab-btn:hover{border-color:var(--accent);color:var(--accent)}.vocab-stats{font-size:14px;color:var(--muted);margin:4px 0 12px}.vocab-toolbar{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}.vocab-search{flex:0 1 240px;padding:5px 10px;font-size:13px;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--surface-2);color:var(--text);box-shadow:var(--press)}.vocab-search:focus{outline:none;border-color:var(--accent)}.vocab-sort-wrap{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.vocab-sort{padding:4px 8px;font-size:13px;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--surface-2);color:var(--text);box-shadow:var(--press);cursor:pointer}.vocab-sort:focus{outline:none;border-color:var(--accent)}.vocab-filters{display:flex;gap:6px;justify-content:center;margin-bottom:12px}.vocab-filter{padding:4px 14px;font-size:13px;border:1px solid var(--border);border-radius:var(--radius-control);background:transparent;color:var(--muted);cursor:pointer}.vocab-filter.selected{border-color:var(--accent);color:var(--accent);background:var(--surface-2);box-shadow:var(--lift-1)}.vocab-list{max-height:380px;overflow-y:auto;text-align:left;padding:0 8px}.vocab-row{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px;padding:6px 8px;border-bottom:1px solid var(--border);font-size:14px}button.vocab-row{background:transparent;border:none;border-bottom:1px solid var(--border);border-radius:0;color:inherit;font:inherit;text-align:left;width:100%;cursor:pointer}button.vocab-row:hover{border-color:var(--border)}button.vocab-row:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.vocab-next{font-size:11px;color:var(--muted);opacity:.75;margin-left:auto;white-space:nowrap}.vocab-row:last-child{border-bottom:none}.vocab-display{font-family:var(--font-hand);font-size:18px;font-weight:600;color:var(--text);min-width:60px}.vocab-reading{font-size:13px;color:var(--muted);font-family:var(--font-hand);min-width:60px}.vocab-meaning{flex:1;font-size:13px;color:var(--text)}.vocab-score{font-family:var(--font-mono);font-size:12px;white-space:nowrap}.vocab-score .good{color:var(--good)}.vocab-score .bad{color:var(--danger)}.vocab-due{color:var(--accent);font-size:8px;vertical-align:super;margin-right:3px}.vocab-row.has-example{cursor:pointer}.vocab-row.has-example:after{content:"";display:inline-block;width:.6em;height:.6em;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);margin-left:6px;opacity:0;transition:opacity .18s ease,transform .18s ease,border-color .18s ease}.vocab-row.has-example:hover:after,.vocab-row.has-example:focus-visible:after{opacity:.8}.vocab-row.has-example.expanded:after{opacity:1;transform:rotate(45deg);border-color:var(--accent)}.vocab-example{display:none;width:100%;font-size:13px;color:var(--muted);padding:4px 0 2px;font-family:var(--font-hand);line-height:1.5}.vocab-example-tl{display:block;font-size:12px;color:var(--muted);opacity:.7}.vocab-row.expanded .vocab-example{display:block}.progress-tabs{display:flex;gap:6px;justify-content:center;margin-bottom:12px}.progress-tab{padding:4px 14px;border:1px solid var(--border);border-radius:var(--radius-control);background:transparent;color:var(--muted);cursor:pointer;font-size:.85rem;font-weight:600;transition:background .15s,color .15s}.progress-tab:hover{background:var(--hover-bg);color:var(--text)}.progress-tab.selected{background:var(--surface-2);color:var(--accent);border-color:var(--accent);box-shadow:var(--lift-1)}.progress-summary{text-align:center;font-size:.85rem;color:var(--muted);margin-bottom:4px;cursor:help}.progress-next{font-size:13px;color:var(--muted);margin:0 0 12px;text-align:center}.progress-next.ready{color:var(--good);font-weight:600}.progress-list{max-width:520px;margin:0 auto;display:flex;flex-direction:column;gap:8px;max-height:340px;overflow-y:auto;padding-right:4px}.progress-row{display:grid;grid-template-columns:100px 1fr 56px 40px;align-items:center;gap:8px;font-size:.85rem}.progress-row.topic-mastered .progress-label{font-weight:700}.progress-label{text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress-bar{height:10px;background:var(--sunk);box-shadow:var(--press);border-radius:999px;overflow:hidden}.progress-fill{height:100%;border-radius:999px;background:var(--accent);transition:width .3s ease}.progress-fill.mastered{background:var(--good)}.progress-nums{text-align:right;font-variant-numeric:tabular-nums;font-size:.8rem;opacity:.7}.progress-acc{text-align:right;font-variant-numeric:tabular-nums;font-size:.8rem;opacity:.55}.achievements-bar{display:flex;flex-direction:column;align-items:center;gap:8px;margin:6px 0}.achievements-toggle{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;font-size:.85rem;border:1px solid var(--border);border-radius:999px;background:var(--panel);color:var(--text);cursor:pointer}.achievements-toggle:hover{border-color:var(--accent)}.achievements-toggle-icon{font-size:1rem}.achievements-count{font-variant-numeric:tabular-nums;font-weight:600}.achievements-chevron{font-size:.75rem;opacity:.7;transition:transform .15s ease}.achievements-toggle[aria-expanded=true] .achievements-chevron{transform:rotate(180deg)}.achievements-list{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;max-width:920px}.achievement-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-card);font-size:.8rem;border:1px solid var(--border);background:var(--panel);box-shadow:var(--lift-1);opacity:.42;cursor:default;transition:opacity .2s}.achievement-badge.unlocked{opacity:1;border-color:var(--gold);background:var(--panel)}.achievement-icon{font-size:1rem}.achievement-name{white-space:nowrap}.achievement-lang{display:inline-block;padding:0 4px;font-size:.62rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-radius:3px;background:var(--border);color:var(--muted);margin-left:2px;flex-shrink:0}.achievement-badge.unlocked .achievement-lang{background:rgba(var(--accent-rgb),.15);color:var(--accent)}.achievement-progress{margin-left:4px;font-size:.7rem;color:var(--muted);white-space:nowrap}.achievement-toast{position:absolute;top:24px;right:24px;display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--panel);border:1px solid var(--accent);border-radius:var(--radius-card);box-shadow:var(--lift-2);z-index:200;opacity:0;transform:translate(20px);transition:opacity .25s ease-out,transform .25s ease-out;pointer-events:none}.achievement-toast.show{opacity:1;transform:translate(0)}.achievement-toast-icon{font-size:1.6rem}.achievement-toast-body{text-align:left}.achievement-toast-label{margin:0;font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.achievement-toast-name{margin:2px 0 0;font-size:.95rem;font-weight:600;color:var(--text)}.weekly-card{max-width:420px;margin:8px auto;padding:10px 16px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--panel);box-shadow:var(--lift-1);text-align:center}.weekly-header{display:flex;align-items:baseline;justify-content:center;gap:8px;margin-bottom:8px}.weekly-tag{font-family:var(--font-mono);font-size:.65rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:0;border-radius:0;background:transparent;color:var(--seal)}.weekly-name{font-family:var(--font-display);font-size:.9rem;font-weight:600}.weekly-name-jp{font-family:var(--font-hand);font-size:.8rem;opacity:.55}.weekly-progress-bar{height:8px;background:var(--sunk);box-shadow:var(--press);border-radius:999px;overflow:hidden;margin-bottom:4px}.weekly-fill{height:100%;border-radius:999px;background:var(--accent);transition:width .3s ease}.weekly-fill.complete{background:var(--good)}.weekly-status{font-size:.75rem;opacity:.6;margin:0}.grammar-tabs{display:flex;gap:6px;justify-content:center;margin-bottom:10px}.grammar-tab{padding:4px 14px;border:1px solid var(--border);border-radius:var(--radius-control);background:transparent;color:var(--muted);font-size:13px;box-shadow:none}.grammar-tab:hover{background:var(--hover-bg);color:var(--text);transform:none}.grammar-tab.selected{border-color:var(--accent);color:var(--accent);background:var(--surface-2);box-shadow:var(--lift-1)}.grammar-list{width:100%;max-width:640px;max-height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;text-align:left;padding:0 8px}.grammar-row{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--lift-1);padding:12px 16px}.grammar-head{display:flex;align-items:baseline;gap:12px;margin-bottom:6px}.grammar-glyph{font-family:var(--font-hand);font-size:28px;font-weight:600;color:var(--accent);min-width:40px}.grammar-romaji{font-family:var(--font-mono);font-size:12px;color:var(--muted)}.grammar-use{font-size:14px;color:var(--text)}.grammar-pattern{font-family:var(--font-hand);font-size:20px;font-weight:600;color:var(--accent)}.grammar-structure{font-family:var(--font-mono);font-size:12px;color:var(--faint)}.grammar-meaning{font-size:14px;color:var(--text);margin:0 0 4px}.grammar-example{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding:4px 0 2px 52px}.grammar-meaning+.grammar-example{padding-left:0}.grammar-ja{font-family:var(--font-hand);font-size:17px;color:var(--text)}.grammar-particle-mark{color:var(--accent);font-weight:700}.grammar-translation{font-size:13px;color:var(--muted)}