@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-cyrillic-ext-wght-normal-BOeWTOD4.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-cyrillic-wght-normal-DqGufNeO.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-greek-ext-wght-normal-DlzME5K_.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-greek-wght-normal-CkhJZR-_.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-vietnamese-wght-normal-CBcvBZtf.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-latin-ext-wght-normal-DO1Apj_S.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-latin-wght-normal-Dx4kXJAl.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg: #fbfaf7;--surface: #ffffff;--surface-2: #f4f3f8;--ink: #12131a;--ink-2: #5f6374;--ink-3: #8b8fa0;--line: #e9e8ef;--accent: #4f3de8;--accent-2: #6a55f2;--accent-ink: #ffffff;--accent-soft: #eceafd;--eyebrow: #4c47e3;--focus: #4f3de8;--hero-a: #f1f2fd;--hero-b: #dfe5fb;--hero-c: #e9e4fb;--hero-shadow: #6a7ce0;--hero-label-mid: #8a90a8;--hero-label-faint: #b3b7c8;--card-face-top: #ffffff;--card-face-bottom: #f1f3fb;--pink: #fdeaec;--pink-go: #f9cdd3;--blue: #eaf2fd;--blue-go: #cfe0fb;--blue-ink: #2c5be4;--pink-ink: #c4283f;--green-ink: #1d7a3e;--yellow-ink: #8a6200;--hero-label: #2a2d3e;--green: #e6f5e6;--green-go: #cbebca;--yellow: #fef3d8;--yellow-go: #fbe08d;--purple: #eeebfb;--purple-go: #dcd5f8;--right: #1f9d55;--right-soft: #dcf5e4;--wrong: #d93a4a;--wrong-soft: #fde2e5;--lv-new: #d4d6e0;--lv-learning: #f3b44c;--lv-familiar: #6d8cf2;--lv-mastered: #2fb36a;--shadow-sm: 0 1px 2px rgba(30, 30, 60, .05), 0 2px 8px rgba(30, 30, 60, .04);--shadow-btn: 0 10px 24px -8px rgba(79, 61, 232, .55);--font-scripts: "Noto Sans Arabic", "Noto Sans Hebrew", "Noto Sans Devanagari", "Noto Sans Bengali", "Noto Sans Tamil", "Noto Sans Thai", "Noto Sans Georgian", "Noto Sans Armenian", "Noto Sans JP", "Noto Sans KR";--font: "Inter Variable", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, var(--font-scripts), sans-serif;--font-glyph: "Inter Variable", "Inter", "Noto Sans", var(--font-scripts), "Segoe UI", "Helvetica Neue", Arial, sans-serif}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0f1016;--surface: #181a23;--surface-2: #20222d;--ink: #f2f2f7;--ink-2: #a6aabb;--ink-3: #777b8e;--line: #2a2c38;--accent: #7563ff;--accent-2: #8b7bff;--accent-soft: #272448;--eyebrow: #9d93ff;--focus: #a99fff;--hero-a: #1a1c30;--hero-b: #1f2547;--hero-c: #241f45;--hero-shadow: #05060f;--hero-label-mid: #8a90a8;--hero-label-faint: #6e7286;--card-face-top: #2a2d42;--card-face-bottom: #222536;--pink: #2a1b22;--pink-go: #4a2733;--blue: #18213a;--blue-go: #22345e;--blue-ink: #8fb0ff;--pink-ink: #ff9aab;--green-ink: #7fe0a2;--yellow-ink: #f3cd6b;--hero-label: #e6e8f5;--green: #172a1e;--green-go: #22472f;--yellow: #2b2616;--yellow-go: #5a4a1a;--purple: #211d38;--purple-go: #352d5e;--right: #45d184;--right-soft: #183324;--wrong: #ff6b78;--wrong-soft: #3a1c22;--lv-new: #3a3d4c;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-btn: 0 10px 24px -8px rgba(80, 60, 255, .6);color-scheme:dark}}:root[data-theme=dark]{--bg: #0f1016;--surface: #181a23;--surface-2: #20222d;--ink: #f2f2f7;--ink-2: #a6aabb;--ink-3: #777b8e;--line: #2a2c38;--accent: #7563ff;--accent-2: #8b7bff;--accent-soft: #272448;--eyebrow: #9d93ff;--focus: #a99fff;--hero-a: #1a1c30;--hero-b: #1f2547;--hero-c: #241f45;--hero-shadow: #05060f;--hero-label-mid: #8a90a8;--hero-label-faint: #6e7286;--card-face-top: #2a2d42;--card-face-bottom: #222536;--pink: #2a1b22;--pink-go: #4a2733;--blue: #18213a;--blue-go: #22345e;--blue-ink: #8fb0ff;--pink-ink: #ff9aab;--green-ink: #7fe0a2;--yellow-ink: #f3cd6b;--hero-label: #e6e8f5;--green: #172a1e;--green-go: #22472f;--yellow: #2b2616;--yellow-go: #5a4a1a;--purple: #211d38;--purple-go: #352d5e;--right: #45d184;--right-soft: #183324;--wrong: #ff6b78;--wrong-soft: #3a1c22;--lv-new: #3a3d4c;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-btn: 0 10px 24px -8px rgba(80, 60, 255, .6);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-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}h1,h2{text-wrap:balance;letter-spacing:-.02em}a{color:inherit}button{font:inherit;color:inherit}kbd{font-family:var(--font);font-size:.72em;font-weight:600;padding:.1em .45em;border-radius:6px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2)}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.muted{color:var(--ink-2)}.small{font-size:.875rem}.center{text-align:center;justify-content:center}.label{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}[lang=el-GR],[lang=el]{font-family:var(--font-glyph)}.icon-btn{display:inline-grid;place-items:center;width:44px;height:44px;flex:none;border-radius:50%;border:0;background:var(--surface-2);color:var(--ink);cursor:pointer;text-decoration:none;transition:transform .15s ease,background .15s ease}.icon-btn:hover{transform:translateY(-1px)}.icon-btn.small{width:34px;height:34px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:0 1.25rem;border-radius:14px;border:0;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:default;transform:none}.btn-primary{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:var(--accent-ink);box-shadow:var(--shadow-btn)}.btn-ghost{background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}.btn-danger{background:var(--wrong);color:#fff}.btn kbd{background:#ffffff2e;border-color:#ffffff4d;color:inherit}.btn.small{min-height:40px;font-size:.9rem}.segmented{display:inline-flex;padding:4px;gap:4px;border-radius:12px;background:var(--surface-2)}.segmented.center{display:flex;width:fit-content;margin-inline:auto}.segmented button{border:0;background:transparent;padding:.45rem .9rem;border-radius:9px;font-weight:600;font-size:.875rem;color:var(--ink-2);cursor:pointer}.segmented button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;min-width:0}.brand-name{font-weight:600;font-size:1.2rem;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.picker{position:relative;min-width:0;flex:0 1 auto}.picker-btn{border:0;background:none;color:inherit;font:inherit;cursor:pointer;padding:.25rem .6rem .25rem .25rem;border-radius:14px;max-width:100%;width:max-content;transition:background .15s ease}.pickers{display:flex;align-items:center;gap:.35rem;min-width:0}.pickers>.picker+.picker{flex:none}.picker-btn:hover,.picker-btn[aria-expanded=true]{background:var(--surface-2)}.flag,.picker-logo.flag{font-family:"Apple Color Emoji","Noto Color Emoji",Noto Flags,"Segoe UI Emoji",emoji,sans-serif;font-size:1.35rem;line-height:1}.picker-chevron{flex:none;color:var(--ink-2);transition:transform .15s ease}.picker-btn[aria-expanded=true] .picker-chevron{transform:rotate(180deg)}.picker-menu{position:absolute;z-index:50;top:calc(100% + 8px);left:0;width:min(340px,calc(100vw - 32px));max-height:min(70vh,520px);overflow-y:auto;margin:0;padding:6px;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 48px -12px #14143247,var(--shadow-sm)}.picker-item{display:grid;grid-template-columns:3.2rem minmax(0,1fr) auto 20px;align-items:center;gap:.6rem;min-height:52px;padding:.4rem .6rem;border-radius:12px;cursor:pointer;outline:none}.picker-item:hover,.picker-item:focus-visible{background:var(--surface-2)}.picker-item:focus-visible{box-shadow:inset 0 0 0 2px var(--focus)}.picker-item[aria-selected=true]{background:var(--accent-soft)}.picker-logo{font-family:var(--font-glyph);font-weight:700;font-size:1.35rem;line-height:1;text-align:center;white-space:nowrap}.picker-text{display:flex;flex-direction:column;min-width:0}.picker-name{font-weight:600;font-size:.98rem}.picker-native{font-size:.82rem;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:left}.picker-count{font-size:.75rem;color:var(--ink-3);font-variant-numeric:tabular-nums}.picker-check{grid-column:4;color:var(--accent)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:1080px;margin:0 auto;padding:1rem 0}.topbar-left,.topbar-right{display:flex;align-items:center;gap:.75rem;min-width:0}.topbar-right{flex:none}.page{min-height:100%;padding:0 16px 48px}.tone-pink{--tone: var(--pink);--tone-go: var(--pink-go);--tone-ink: var(--pink-ink)}.tone-blue{--tone: var(--blue);--tone-go: var(--blue-go);--tone-ink: var(--blue-ink)}.tone-green{--tone: var(--green);--tone-go: var(--green-go);--tone-ink: var(--green-ink)}.tone-yellow{--tone: var(--yellow);--tone-go: var(--yellow-go);--tone-ink: var(--yellow-ink)}.tone-purple{--tone: var(--purple);--tone-go: var(--purple-go);--tone-ink: var(--accent)}.page-body{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;gap:1.25rem}.page-body.narrow{max-width:720px}.panel{background:var(--surface);border-radius:24px;padding:1.5rem;box-shadow:var(--shadow-sm)}.tone-panel{background:var(--tone);box-shadow:none}.intro{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:1.5rem;padding:2rem}.intro-copy{display:flex;flex-direction:column;align-items:flex-start;gap:.75rem}.intro .eyebrow{font-size:.8rem}.intro h1{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800;line-height:1.1}.intro p.muted{max-width:34em}.intro .btn{margin-top:.5rem}.intro-art{width:clamp(120px,22vw,220px);height:auto}.lesson{display:flex;flex-direction:column;gap:.75rem}.lesson-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap}.lesson-head h2{font-size:1.15rem;font-weight:700}.level-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--lv)}.lv-new{--lv: var(--lv-new)}.lv-learning{--lv: var(--lv-learning)}.lv-familiar{--lv: var(--lv-familiar)}.lv-mastered{--lv: var(--lv-mastered)}.crumbs{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;font-size:.9rem;color:var(--ink-2)}.crumbs a{color:var(--ink);font-weight:600}.detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1.25rem;align-items:start}.detail-card{background:var(--tone);box-shadow:none;display:flex;flex-direction:column;align-items:center;text-align:center;gap:1rem;padding:2.25rem 1.5rem}.variants{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin:0 0 .75rem;padding:0;list-style:none}.variants li{display:flex;flex-direction:column;align-items:center;min-width:4.5rem;padding:.4rem .7rem;border-radius:12px;background:var(--surface-2)}.detail-audio{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center}.detail-facts{display:flex;flex-direction:column;gap:1rem}.fact{display:flex;flex-direction:column;gap:.6rem}.ipa{font-family:var(--font)}.fact .segmented{align-self:flex-start}.examples{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.examples li{display:grid;grid-template-columns:auto auto minmax(0,1fr) auto;align-items:center;gap:.75rem}.detail-nav{display:flex;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.roundbar{display:flex;align-items:center;gap:.9rem}.roundbar-track{flex:1;height:10px;border-radius:99px;background:var(--surface-2);overflow:hidden}.roundbar-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent-2),var(--accent));transition:width .35s ease}.roundbar-count{font-weight:600;font-size:.9rem;color:var(--ink-2);font-variant-numeric:tabular-nums;min-width:3.5em;text-align:right}.prompt{background:var(--tone);box-shadow:none;display:flex;flex-direction:column;align-items:center;text-align:center;gap:.6rem;padding:2rem 1.5rem}.choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem}.choice{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem;min-height:128px;border-radius:20px;border:0;background:var(--surface);box-shadow:var(--shadow-sm),inset 0 0 0 2px transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .2s ease}.choice:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 24px -16px #281e5a66,inset 0 0 0 2px var(--tone-go)}.choice kbd{position:absolute;top:10px;left:10px}.choice-name{font-size:.85rem;font-weight:600;color:var(--ink-2)}.choice:disabled{cursor:default}.is-right{background:var(--right-soft)!important;box-shadow:inset 0 0 0 2.5px var(--right)!important}.is-wrong{background:var(--wrong-soft)!important;box-shadow:inset 0 0 0 2.5px var(--wrong)!important;animation:shake .35s ease}.is-dim{opacity:.45}@keyframes shake{20%,60%{transform:translate(-5px)}40%,80%{transform:translate(5px)}}.after{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:52px;flex-wrap:wrap}.feedback{display:flex;align-items:center;gap:.6rem;font-weight:500;min-width:0}.feedback-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;flex:none;color:#fff}.feedback.is-right,.feedback.is-wrong{background:none!important;box-shadow:none!important;animation:none}.feedback.is-right .feedback-icon{background:var(--right)}.feedback.is-wrong .feedback-icon{background:var(--wrong)}.grade{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.1rem;min-height:64px;border-radius:16px;border:0;cursor:pointer;font-weight:700;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .15s ease}.grade:hover{transform:translateY(-2px)}.grade small{font-weight:500;font-size:.78rem;color:var(--ink-2)}.grade kbd{position:absolute;top:6px;right:6px;font-size:.65rem}.answer{display:flex;gap:.75rem}.answer-input{flex:1;min-width:0;height:60px;padding:0 1.25rem;font:inherit;font-size:1.35rem;font-weight:600;border-radius:16px;border:0;background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 2px var(--line)}.answer-input:focus{outline:none;box-shadow:inset 0 0 0 2.5px var(--accent)}.answer .btn{min-height:60px;padding:0 1.75rem}.keyboard{width:100%;display:flex;flex-direction:column;gap:.5rem}.key{flex:0 1 56px;min-width:0;height:58px;border:0;border-radius:12px;font-size:1.5rem;font-weight:600;background:var(--surface);box-shadow:0 3px 0 var(--line),var(--shadow-sm);cursor:pointer;transition:transform .08s ease}.key:active:not(:disabled){transform:translateY(2px);box-shadow:0 1px 0 var(--line)}.key:disabled{cursor:default}.summary{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.75rem;padding:2.5rem 1.5rem}.summary h2{font-size:1.75rem;font-weight:800}.summary-missed{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-top:.5rem}.chips{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}.chip{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .8rem;border-radius:99px;background:var(--tone);font-weight:600;font-size:.9rem;text-decoration:none}.summary-actions{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;margin-top:.75rem}.ring{position:relative;display:grid;place-items:center;flex:none}.ring svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.ring-track{fill:none;stroke:var(--surface-2);stroke-width:9}.ring-fill{fill:none;stroke:var(--accent);stroke-width:9;stroke-linecap:round;transition:stroke-dashoffset .8s ease}.ring-label{display:flex;flex-direction:column;align-items:center;line-height:1.1}.ring-label strong{font-size:1.6rem;font-weight:800;font-variant-numeric:tabular-nums}.ring-label span{font-size:.75rem;color:var(--ink-2);max-width:7em;text-align:center}.progress-top{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:1.25rem}.progress-overall{display:flex;align-items:center;gap:1.5rem}.progress-overall>div:last-child{display:flex;flex-direction:column;align-items:flex-start;gap:.5rem;min-width:0}.progress-overall h1{font-size:1.6rem;font-weight:800}.stat-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:0}.stat{display:flex;flex-direction:column;justify-content:center;gap:.3rem;padding:1.25rem}.stat dt{font-size:.8rem;color:var(--ink-3)}.stat dd{margin:0;display:flex;align-items:center;gap:.3rem;font-weight:800;font-size:1.75rem;font-variant-numeric:tabular-nums}.legend{display:flex;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:var(--ink-2)}.legend-item{display:inline-flex;align-items:center;gap:.35rem}.heat{display:flex;flex-direction:column;gap:.4rem;padding:.8rem;border-radius:16px;background:var(--surface-2);text-decoration:none}.reset{display:flex;justify-content:center}.reset-confirm{text-align:center}.beta-pill{display:inline-flex;align-items:center;padding:.2rem .55rem;border-radius:999px;background:var(--accent-soft);color:var(--eyebrow);font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:default}.beta-notice{position:fixed;z-index:50;left:50%;bottom:max(16px,env(safe-area-inset-bottom));transform:translate(-50%);width:min(560px,calc(100vw - 32px));display:flex;align-items:center;gap:.75rem;padding:.75rem .75rem .75rem 1rem;border-radius:18px;background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line),0 12px 32px -12px #14143259}.beta-notice p{flex:1;margin:0;font-size:.875rem;color:var(--ink-2)}.beta-notice strong{color:var(--ink)}.inline-icon{vertical-align:-2px}.detail-report{margin-top:1rem;display:flex;justify-content:center}.report{width:min(480px,calc(100vw - 32px));text-align:start;max-height:calc(100dvh - 32px);padding:0;border:0;border-radius:24px;background:var(--surface);color:var(--ink);box-shadow:0 24px 60px -20px #0a0a2880}.report::backdrop{background:#0f101e73}.report-body{display:grid;gap:1rem;padding:1.5rem}.report-body h2{margin:0;font-size:1.25rem}.report-body>p{margin:0}.report-head{display:flex;align-items:center;justify-content:space-between;gap:1rem}.report-kinds{display:flex;flex-wrap:wrap}.report-kinds button{flex:1 1 auto}.field{display:grid;gap:.4rem}.field select,.field textarea{width:100%;font:inherit;font-size:1rem;padding:.7rem .85rem;border-radius:12px;border:0;background:var(--surface-2);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}.field textarea{resize:vertical;min-height:96px}.field select:focus,.field textarea:focus{outline:none;box-shadow:inset 0 0 0 2px var(--accent)}.report-trap{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}.report-error{margin:0;color:var(--wrong);font-size:.9rem}.report-actions{display:flex;justify-content:flex-end;gap:.75rem}.report-done{text-align:center;justify-items:center}@media(max-width:480px){.topbar .beta-pill,.home-top .beta-pill{display:none}.report-actions .btn{flex:1}}@media(max-width:760px){.detail,.progress-top{grid-template-columns:minmax(0,1fr)}.intro{grid-template-columns:minmax(0,1fr);padding:1.5rem}.intro-art{display:none}.choices{grid-template-columns:repeat(2,minmax(0,1fr))}.choice{min-height:104px}.topbar .brand-name{font-size:1.05rem}.stat-tiles{gap:.6rem}.stat{padding:1rem}.stat dd{font-size:1.4rem}.progress-overall{flex-direction:column;text-align:center}.progress-overall>div:last-child{align-items:center}}@media(max-width:480px){.grade{flex:1 1 calc(50% - .3rem)}.key{height:50px;font-size:1.3rem;border-radius:10px}.examples li{grid-template-columns:auto auto minmax(0,1fr)}.detail-nav .btn{flex:1}.answer .btn{padding:0 1.1rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}@keyframes spin{to{transform:rotate(360deg)}}.seo{max-width:760px;margin:0 auto;padding:32px 16px;color:var(--ink);line-height:1.5}.seo table{width:100%;border-collapse:collapse}.seo th,.seo td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}.seo a{color:var(--accent)}.about h1,.about h2{margin-top:0}.about ul{padding-left:1.2rem;display:grid;gap:.5rem}.about a{color:var(--accent)}.about-link{display:flex;justify-content:center;gap:.4rem}html.is-home,html.is-home body,html.is-home #root{height:100%;overflow:hidden}html.is-home #root{container-type:size}.home{--k: min(calc(100cqw / 1160), calc(100cqh / 760));height:100%;max-width:calc(1160 * var(--k) + 32px);margin:0 auto;padding:calc(12 * var(--k)) max(16px,calc(36 * var(--k))) calc(22 * var(--k));display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,250fr) minmax(0,252fr) auto;gap:calc(14 * var(--k))}.home-top{display:flex;align-items:center;justify-content:space-between;gap:.75rem;min-width:0;padding:calc(6 * var(--k)) calc(4 * var(--k)) 0}.home .brand{gap:calc(14 * var(--k))}.home .brand-name{font-size:max(16px,calc(19 * var(--k)))}.home .icon-btn{width:max(38px,calc(42 * var(--k)));height:max(38px,calc(42 * var(--k)))}.hero{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.62fr);align-items:center;min-height:0;border-radius:calc(26 * var(--k));padding:0 calc(10 * var(--k)) 0 calc(36 * var(--k));background:radial-gradient(120% 90% at 0% 0%,var(--hero-a) 0%,transparent 60%),radial-gradient(90% 120% at 100% 100%,var(--hero-c) 0%,transparent 60%),linear-gradient(120deg,var(--hero-a),var(--hero-b));overflow:hidden}.eyebrow{font-size:calc(14 * var(--k));font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--eyebrow)}.hero h1{font-size:calc(50 * var(--k));line-height:1.08;font-weight:800;letter-spacing:-.035em;margin-top:calc(8 * var(--k));white-space:nowrap}.cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:calc(13 * var(--k));min-height:0}.col{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:minmax(0,1fr) auto;column-gap:calc(8 * var(--k));min-height:0;border-radius:calc(20 * var(--k));padding:calc(16 * var(--k)) calc(18 * var(--k)) calc(18 * var(--k)) calc(22 * var(--k));text-decoration:none;color:var(--ink);background:var(--tone);transition:transform .2s ease,box-shadow .2s ease;overflow:hidden}.col:hover{transform:translateY(-3px);box-shadow:0 16px 32px -18px #281e5a59}.col:hover .col-go{transform:translate(3px)}.col-art{grid-column:1 / -1;min-height:0;height:100%;max-height:calc(110 * var(--k));align-self:end;margin-bottom:calc(8 * var(--k))}.col-text{display:flex;flex-direction:column;align-items:flex-start;gap:calc(4 * var(--k));min-width:0;align-self:end}.col-title{font-weight:800;font-size:max(15px,calc(22 * var(--k)));letter-spacing:-.02em;line-height:1.15}.col-sub{font-size:max(12px,calc(14.5 * var(--k)));color:var(--ink-2)}.col-pill{margin-top:calc(6 * var(--k));padding:calc(3 * var(--k)) calc(12 * var(--k));border-radius:99px;background:var(--tone-go);color:var(--tone-ink);font-weight:600;font-size:max(11px,calc(14 * var(--k)));white-space:nowrap}.col-samples{margin-top:calc(6 * var(--k));font-size:max(11px,calc(15 * var(--k)));color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.col-go,.pract-go{align-self:end;display:grid;place-items:center;width:calc(44 * var(--k));height:calc(44 * var(--k));min-width:30px;min-height:30px;border-radius:50%;background:var(--tone-go);color:var(--ink);transition:transform .2s ease}.col-go svg,.pract-go svg{width:calc(20 * var(--k));height:calc(20 * var(--k));min-width:15px;min-height:15px}.cart{position:relative;display:block;aspect-ratio:2 / 1;width:auto;max-width:100%}.cart img{position:absolute;height:100%;width:auto;object-fit:contain;filter:drop-shadow(0 8px 10px rgba(40,30,90,.18))}.cart-lines{position:absolute;left:0;top:18%;width:46%;height:60%}.cart-lines path{stroke:#a8a2f0;stroke-width:9;stroke-linecap:round}.cart-stars{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.practice{display:flex;flex-direction:column;gap:calc(10 * var(--k));min-height:0}.practice h2{font-size:max(16px,calc(20 * var(--k)));font-weight:800;padding-left:calc(2 * var(--k))}.practice-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.about-mini{font-size:max(12px,calc(13 * var(--k)));color:var(--ink-2);text-decoration:none}.about-mini:hover{color:var(--ink);text-decoration:underline}.practice-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:calc(13 * var(--k))}.pract{--tone-go: var(--purple-go);display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:calc(10 * var(--k));height:max(56px,calc(70 * var(--k)));padding:0 calc(12 * var(--k)) 0 calc(14 * var(--k));border-radius:calc(18 * var(--k));background:var(--purple);color:var(--ink);text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}.pract:hover{transform:translateY(-2px);box-shadow:0 14px 28px -18px #281e5a59}.pract:hover .pract-go{transform:translate(3px)}.pract-art{height:max(36px,calc(48 * var(--k)));width:auto;max-width:max(56px,calc(70 * var(--k)))}.pract-title{font-weight:700;font-size:max(13px,calc(15.5 * var(--k)));white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pract .pract-go{align-self:center;width:calc(38 * var(--k));height:calc(38 * var(--k))}@container (max-width: 760px){.home{--k: min(calc(100cqw / 430), calc(100cqh / 900));padding:calc(8 * var(--k)) 16px calc(14 * var(--k));grid-template-rows:auto minmax(0,300fr) minmax(0,400fr) auto;gap:calc(12 * var(--k));max-width:none}.home .icon-btn{width:38px;height:38px}.hero{display:block;padding:calc(24 * var(--k)) calc(22 * var(--k));border-radius:calc(22 * var(--k))}.eyebrow{font-size:calc(12.5 * var(--k))}.hero h1{font-size:calc(33 * var(--k))}.cols{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:calc(10 * var(--k))}.col{padding:calc(12 * var(--k)) calc(12 * var(--k)) calc(14 * var(--k)) calc(16 * var(--k));border-radius:calc(18 * var(--k))}.col-art{max-height:calc(78 * var(--k))}.col-title{font-size:max(15px,calc(19 * var(--k)))}.col-sub{font-size:max(12px,calc(13 * var(--k)))}.col-samples{display:none}.col-go{width:calc(36 * var(--k));height:calc(36 * var(--k))}.practice-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:calc(10 * var(--k))}.pract{height:max(50px,calc(58 * var(--k)));gap:calc(8 * var(--k));padding:0 calc(8 * var(--k)) 0 calc(10 * var(--k))}.pract-art{height:max(30px,calc(38 * var(--k)));max-width:max(46px,calc(54 * var(--k)))}.pract .pract-go{display:none}}.intro-actions{display:flex;gap:.6rem;flex-wrap:wrap}.intro-art.cart{width:clamp(140px,22vw,240px);height:auto}.lesson{scroll-margin-top:16px}.detail-figure{display:grid;place-items:center;width:148px;height:148px;border-radius:36px;background:var(--surface);box-shadow:0 18px 40px -24px #3c288c73}.detail-img{width:110px;height:110px}.detail-letter{font-size:2.6rem;font-weight:800;letter-spacing:-.03em;color:var(--tone-ink);padding:0 .5rem;max-width:100%;overflow:hidden;text-overflow:ellipsis}.detail-word{font-size:clamp(2.4rem,7vw,3.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;overflow-wrap:anywhere}.detail-ipa{font-size:1.25rem;color:var(--ink-2)}.pos-pill{padding:.2rem .75rem;border-radius:99px;background:var(--tone-go);color:var(--tone-ink);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.example-row{display:flex;align-items:flex-start;gap:.75rem}.example{font-size:1.2rem;line-height:1.45}mark{background:var(--tone-go);color:inherit;border-radius:6px;padding:0 .15em;font-weight:700}.tags{display:flex;flex-wrap:wrap;gap:.4rem}.tag{padding:.3rem .7rem;border-radius:99px;background:var(--tone);font-weight:600;font-size:.85rem;text-decoration:none}.tag-soft{background:var(--surface-2);color:var(--ink-2)}.detail-report{margin-top:.25rem;justify-content:flex-start}.scope{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem}.scope button{border:0;padding:.4rem .85rem;border-radius:99px;background:var(--surface);box-shadow:inset 0 0 0 1.5px var(--line);font-weight:600;font-size:.85rem;color:var(--ink-2);cursor:pointer}.scope button[aria-pressed=true]{background:var(--ink);color:var(--bg);box-shadow:none}.choices.meanings{grid-template-columns:repeat(2,minmax(0,1fr))}.choices.meanings .choice{min-height:76px}.reveal{display:inline-flex;align-items:center;gap:.6rem}.prompt-img{width:88px;height:88px}.gap{display:inline-block;min-width:3.5em;padding:0 .25em;border-bottom:2px solid var(--ink-3);color:var(--ink);font-weight:700}.recall-help{display:flex;justify-content:center;gap:.6rem}.coll-progress{display:flex;flex-direction:column;gap:.5rem;margin-top:1.25rem}.coll-progress-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap}.coll-progress-head a{font-weight:700}.dots{display:flex;flex-wrap:wrap;gap:4px}.dot{width:13px;height:13px;border-radius:4px;background:var(--lv)}.report-word{margin:0}@media(max-width:480px){.topbar-right .report-btn{display:none}.topbar-right{gap:.4rem}.home .icon-btn,.topbar .icon-btn{width:36px;height:36px}.brand .picker-chevron{display:none}.home .brand,.topbar .brand{gap:8px}.home .brand-name,.topbar .brand-name{font-size:15px}}@media(max-width:760px){.intro-art.cart{display:none}.detail-figure{width:120px;height:120px;border-radius:30px}.detail-img{width:88px;height:88px}}@media(max-width:480px){.dot{width:11px;height:11px}}.art{font-weight:600;color:var(--ink-3, var(--ink-2));opacity:.75;font-size:.72em;letter-spacing:0}.example-tr{margin-top:.35rem;color:var(--ink-2);font-size:.98rem;line-height:1.4}.example[lang]{overflow-wrap:anywhere}:root{--hero-pill: #e3eaff;--hero-pill-warm: #f7e3c9;--hero-pill-red: #fde0e6;--tile: #ffffff}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--hero-pill: #263257;--hero-pill-warm: #4a3a24;--hero-pill-red: #4a2733;--tile: #232634}}:root[data-theme=dark]{--hero-pill: #263257;--hero-pill-warm: #4a3a24;--hero-pill-red: #4a2733;--tile: #232634}em.de{font-style:normal;font-weight:650;color:var(--tone-ink, var(--accent))}.col-art{width:100%}.pract-img{height:max(34px,calc(46 * var(--k)));width:auto}.pract-cycle{filter:hue-rotate(40deg) saturate(1.3)}.pract-clock{display:flex;align-items:center;height:max(34px,calc(46 * var(--k)))}.pract-clock img{height:100%;width:auto}.pract-clock svg{height:70%;width:auto;margin-right:-2px}.intro-art{width:clamp(150px,24vw,260px);height:auto}.rule-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:.75rem}.rule-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.9rem;height:100%;padding:1rem 1.1rem;border-radius:20px;background:var(--surface);box-shadow:var(--shadow-sm);text-decoration:none;color:var(--ink);transition:transform .15s ease,box-shadow .15s ease}.rule-card:hover{transform:translateY(-2px);box-shadow:0 12px 24px -16px #281e5a66}.rule-num{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--tone);color:var(--tone-ink);font-weight:800;font-variant-numeric:tabular-nums}.rule-card.is-done .rule-num{background:var(--lv-familiar);color:#fff}.rule-card.is-held .rule-num{background:var(--right);color:#fff}.rule-card.is-seen .rule-num{box-shadow:inset 0 0 0 2px var(--tone-ink)}.rule-text{display:flex;flex-direction:column;gap:.15rem;min-width:0}.rule-title{font-weight:700}.rule-short{font-size:.88rem;color:var(--ink-2)}.rule-go{color:var(--ink-3)}.pattern-sample{margin-left:.5rem;font-weight:500;font-size:.95rem;color:var(--ink-2)}.pattern-body{max-width:48em;margin-top:-.25rem}.parts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.5rem}.parts-tile{display:flex;flex-direction:column;gap:.1rem;padding:.7rem .9rem;border-radius:16px;background:var(--surface);box-shadow:var(--shadow-sm);text-decoration:none;color:var(--ink);border-left:4px solid var(--lv-new)}.parts-tile.is-learned{border-left-color:var(--lv-mastered)}.parts-tile:hover{box-shadow:0 10px 22px -16px #281e5a66}.parts-inf{font-weight:700}.parts-forms{font-size:.88rem;color:var(--ink-2)}.lesson>.btn{align-self:flex-start}.page-body.narrow-wide{max-width:880px}.done-pill{padding:.1rem .6rem;border-radius:99px;background:var(--right-soft);color:var(--right);font-weight:700;font-size:.78rem}.done-pill.is-passed{background:var(--surface-2);color:var(--ink-2)}.rule{display:flex;flex-direction:column;gap:1rem}.rule-head{padding:1.75rem 2rem}.rule-head h1{font-size:clamp(1.6rem,4vw,2.3rem);font-weight:800;letter-spacing:-.02em;line-height:1.15}.formula{display:inline-block;margin-top:.9rem;padding:.55rem 1rem;border-radius:14px;background:var(--surface);font-weight:700;font-size:clamp(1rem,2.6vw,1.2rem);color:var(--tone-ink)}.rule-body{display:flex;flex-direction:column;gap:.8rem;font-size:1.05rem;line-height:1.6}.rule-body p{max-width:42em}.tip{display:flex;gap:.6rem;align-items:flex-start;padding:.8rem 1rem;border-radius:14px;background:var(--yellow);font-size:.95rem}.tip svg{flex:none;margin-top:.15rem;color:var(--yellow-ink)}.tables{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}.tables .panel{padding:1.1rem 1.25rem}.conj-head{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem;margin-bottom:.4rem}.conj-head h3{font-size:1rem;font-weight:800}.conj-verb{font-size:.85rem;font-weight:600;color:var(--ink-2)}.conj table{width:100%;border-collapse:collapse}.conj th,.conj td{padding:.32rem 0;text-align:left;vertical-align:middle}.conj tr+tr th,.conj tr+tr td{border-top:1px solid var(--line)}.conj th{width:5.2em;font-weight:500;color:var(--ink-2);font-size:.92rem}.conj td{font-weight:650;font-size:1.05rem}.conj tr.is-on td,.conj tr.is-on th{background:var(--tone)}.conj-play{width:32px;text-align:right!important}mark.ending{background:var(--tone-go);color:var(--tone-ink);padding:0 .08em;border-radius:4px}.icon-btn.tiny{width:28px;height:28px;opacity:.55}.icon-btn.tiny:hover,.icon-btn.tiny:focus-visible{opacity:1}.ex-list{list-style:none;padding:0;margin:.5rem 0 0;display:flex;flex-direction:column;gap:.75rem}.ex-list li{display:flex;gap:.75rem;align-items:flex-start}.ex-list li>span{display:flex;flex-direction:column}.ex-de{font-size:1.1rem;font-weight:600}.ex-en{color:var(--ink-2);font-size:.92rem}.try{display:flex;flex-direction:column;gap:1rem;background:var(--surface)}.try h2{font-size:1.25rem;font-weight:800}.try-note{text-align:center}.try .summary{box-shadow:none;padding:.5rem 0}.quiz{display:flex;flex-direction:column;gap:1rem}.quiz-prompt{gap:.35rem;padding:1.5rem 1.25rem}.quiz.is-compact .quiz-prompt{padding:1.1rem}.task-pill{display:inline-block;padding:.2rem .75rem;border-radius:99px;background:var(--surface);color:var(--tone-ink);font-size:.8rem;font-weight:800;letter-spacing:.04em}.quiz-verb{display:inline-flex;align-items:center;gap:.4rem;font-size:clamp(1.6rem,5vw,2.1rem);font-weight:800;letter-spacing:-.02em}.quiz-verb a{text-decoration:none;color:inherit}.quiz-meaning{margin-top:-.2rem}.quiz-line{display:flex;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:.45rem;margin-top:.35rem;font-size:clamp(1.25rem,3.6vw,1.5rem);font-weight:700}.quiz-lead{color:var(--tone-ink)}.quiz-tail{color:var(--ink-2)}.answer{flex-wrap:wrap}.answer-field{display:flex;flex-direction:column;gap:.45rem;min-width:0}.answer .answer-field{flex:1 1 240px}.answer-field .answer-input{flex:none;width:100%;height:60px}.umlauts{display:flex;gap:.35rem}.umlaut{min-width:42px;height:36px;border:0;border-radius:10px;background:var(--surface);box-shadow:0 2px 0 var(--line),var(--shadow-sm);font:inherit;font-size:1.05rem;font-weight:700;color:var(--ink);cursor:pointer}.umlaut:active{transform:translateY(1px)}.answer>.btn{align-self:flex-start}.diff mark{background:var(--wrong-soft);color:var(--wrong);box-shadow:inset 0 -2px 0 var(--wrong)}.why{display:block;margin-top:.15rem;font-size:.88rem;font-weight:500;color:var(--ink-2)}a.why{text-decoration:underline;text-underline-offset:2px}.feedback-text{line-height:1.4}.aux-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.aux-choices .choice{min-height:76px}.aux-choices .choice-name{font-size:1.4rem;font-weight:800;color:var(--ink)}.drill-intro{text-align:center;color:var(--ink-2)}.peek summary{cursor:pointer;font-weight:700}.peek .conj{margin-top:.75rem}.rule-pick{align-self:center;width:min(100%,420px)}.rule-pick select{width:100%}.builder-prompt{gap:.35rem}.builder-en{font-size:clamp(1.2rem,3.6vw,1.5rem);font-weight:800;line-height:1.3;max-width:24em}.builder-line{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;min-height:76px;padding:.75rem;border-radius:18px;background:var(--surface);box-shadow:inset 0 0 0 2px var(--line)}.builder-line.is-right{box-shadow:inset 0 0 0 2.5px var(--right);background:var(--right-soft)}.builder-line.is-wrong{box-shadow:inset 0 0 0 2.5px var(--wrong)}.builder-placeholder{padding-left:.4rem}.builder-end{font-size:1.3rem;font-weight:800;margin-left:-.25rem}.builder-bank{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;min-height:56px}.tile{min-height:46px;padding:0 1rem;border:0;border-radius:14px;background:var(--tile);color:var(--ink);box-shadow:0 3px 0 var(--line),var(--shadow-sm);font:inherit;font-size:1.1rem;font-weight:650;cursor:pointer;transition:transform .1s ease,opacity .15s ease}.tile:hover:not(:disabled){transform:translateY(-1px)}.tile.is-placed{background:var(--tone);box-shadow:0 2px 0 var(--tone-go)}.tile.is-used{opacity:.25;box-shadow:none}.tile.is-off{background:var(--wrong-soft);color:var(--wrong)}.tile:disabled{cursor:default}.builder-actions{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap}.verb-detail .detail-card{gap:.6rem}.verb-meaning{font-size:1.15rem;font-weight:600}.tags.center{justify-content:center;align-items:center}.parts-line{display:flex;flex-wrap:wrap;gap:.2rem .6rem;font-size:1.3rem;font-weight:800}.parts-line span+span:before{content:"–";margin-right:.6rem;color:var(--ink-3);font-weight:400}.verb-tables{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.detail-report{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.verb-search{display:flex;flex-direction:column;gap:.9rem}.verb-search h1{font-size:clamp(1.5rem,4vw,2rem);font-weight:800}.verb-search .scope{justify-content:flex-start}.search-field{display:flex;align-items:center;gap:.6rem;height:56px;padding:0 1rem;border-radius:16px;background:var(--surface-2);color:var(--ink-2)}.search-field:focus-within{box-shadow:inset 0 0 0 2.5px var(--accent)}.search-field input{flex:1;min-width:0;height:100%;border:0;background:none;font:inherit;font-size:1.15rem;color:var(--ink);outline:none}.verb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:.5rem}.verb-tile{position:relative;display:flex;flex-direction:column;gap:.1rem;padding:.75rem .9rem;border-radius:16px;background:var(--surface);box-shadow:var(--shadow-sm);text-decoration:none;color:var(--ink);transition:transform .15s ease}.verb-tile:hover{transform:translateY(-2px)}.verb-tile-inf{font-weight:750;font-size:1.05rem}.verb-tile-meaning{font-size:.85rem;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.verb-tile-badge{position:absolute;top:.7rem;right:1.9rem;font-size:.7rem;font-weight:800;color:var(--green-ink)}.verb-tile .level-dot{position:absolute;top:.85rem;right:.85rem}.parts-prompt .prompt-img{width:72px;height:72px}.parts-form{display:flex;flex-direction:column;gap:.9rem}.parts-field{display:flex;flex-direction:column;gap:.35rem}.days{display:grid;grid-template-columns:repeat(14,minmax(0,1fr));gap:.4rem;height:120px;margin-top:.75rem}.day{display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:.3rem;height:100%}.day-bar{width:100%;max-width:28px;min-height:3px;border-radius:6px 6px 3px 3px;background:var(--accent)}.day-label{font-size:.75rem;color:var(--ink-3)}.dots.big .dot{width:22px;height:22px;border-radius:6px}.settings{display:flex;flex-direction:column;gap:1rem}.settings h1{font-size:1.6rem;font-weight:800}.settings h2{font-size:1.2rem;font-weight:800}.kathedro-actions{display:flex;gap:.6rem;flex-wrap:wrap}.setting{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.toggles{display:flex;flex-direction:column;gap:.75rem;padding-top:1rem;border-top:1px solid var(--line)}.toggle{position:relative;display:flex;align-items:center;gap:.7rem;cursor:pointer;font-weight:500}.toggle input{position:absolute;opacity:0;width:1px;height:1px}.toggle-track{flex:none;position:relative;width:40px;height:24px;border-radius:99px;background:var(--line);transition:background .2s ease}.toggle-thumb{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #00000040;transition:transform .2s ease}.toggle input:checked+.toggle-track{background:var(--accent)}.toggle input:checked+.toggle-track .toggle-thumb{transform:translate(16px)}.toggle input:focus-visible+.toggle-track{outline:3px solid var(--focus);outline-offset:2px}.toggle-label{display:flex;align-items:center;gap:.5rem}.toggle-hint{padding:.05rem .45rem;border-radius:6px;background:var(--surface-2);color:var(--ink-2);font-size:.75rem;font-weight:600}@media(max-width:640px){.rule-head{padding:1.4rem 1.25rem}.rule-list{grid-template-columns:minmax(0,1fr)}.answer>.btn{width:100%}.tile{min-height:44px;padding:0 .8rem;font-size:1.02rem}.pattern-sample{display:block;margin:.15rem 0 0}}@container (max-width: 760px){.hero h1{white-space:normal;font-size:calc(31 * var(--k));max-width:9em}.pract-title{white-space:normal;font-size:max(12.5px,calc(14 * var(--k)));line-height:1.2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.pract{grid-template-columns:auto minmax(0,1fr)}}.conj-head h3 a{color:inherit;text-decoration:none}.conj-head h3 a:hover{text-decoration:underline}.intro-actions .btn{max-width:100%;white-space:normal;text-align:left}.home:has(.cols-8){grid-template-rows:auto minmax(0,1fr) auto}.home-top-right{display:flex;align-items:center;gap:calc(14 * var(--k));min-width:0}.btn-continue{display:inline-flex;align-items:center;gap:.45rem;height:max(38px,calc(42 * var(--k)));padding:0 calc(20 * var(--k)) 0 calc(16 * var(--k));border:0;border-radius:99px;background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;font-weight:650;font-size:max(14px,calc(15 * var(--k)));cursor:pointer;box-shadow:var(--shadow-btn);white-space:nowrap}.btn-continue:hover{transform:translateY(-1px)}.cols-8{grid-template-rows:repeat(2,minmax(0,1fr))}.cols-8 .col-art{max-height:calc(118 * var(--k))}.cols-8 .col-title{font-size:max(15px,calc(21 * var(--k)))}.cols-8 .col-sub,.cols-8 .col-samples{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.lay-single .cart-a{left:28%;height:96%;bottom:2%}.lay-pair .cart-a{left:0;height:86%;bottom:0;z-index:1}.lay-pair .cart-b{left:42%;bottom:4%;height:90%}.lay-motion .cart-a{left:26%;bottom:0;filter:hue-rotate(-40deg) saturate(1.5) drop-shadow(0 8px 10px rgba(40,30,90,.18))}.lay-stars .cart-a{left:30%;height:86%;top:7%}.lay-duo .cart-a{left:6%;height:92%;bottom:4%;z-index:1;filter:grayscale(1) sepia(1) saturate(10) hue-rotate(172deg) brightness(.85) drop-shadow(0 8px 10px rgba(40,30,90,.2))}.lay-duo .cart-b{left:40%;height:80%;bottom:0;transform:rotate(35deg);filter:grayscale(1) sepia(1) saturate(8) hue-rotate(196deg) brightness(.85) drop-shadow(0 8px 10px rgba(40,30,90,.2))}.intro-cart{height:clamp(90px,14vw,140px)}.practice-row{grid-template-columns:repeat(var(--modes, 4),minmax(0,1fr))}.pract{grid-template-columns:auto minmax(0,1fr);height:auto;min-height:max(64px,calc(88 * var(--k)));padding:calc(12 * var(--k)) calc(14 * var(--k));gap:calc(12 * var(--k))}.pract .pract-go{display:none}.pract-text{display:flex;flex-direction:column;gap:calc(3 * var(--k));min-width:0}.pract-title{font-size:max(14px,calc(16 * var(--k)));white-space:normal;line-height:1.2}.pract-desc{font-size:max(12px,calc(13 * var(--k)));line-height:1.3;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.pract-art.pract-img,.pract .pract-img,.pract .pract-art{height:max(34px,calc(46 * var(--k)))}@container (max-width: 760px){.btn-continue span{display:none}.btn-continue{padding:0 12px}.cols-8{grid-template-rows:repeat(4,minmax(0,1fr));gap:calc(9 * var(--k))}.cols-8 .col{display:flex;flex-direction:column;justify-content:space-between;padding:calc(11 * var(--k)) calc(10 * var(--k)) calc(10 * var(--k)) calc(12 * var(--k))}.cols-8 .col-art{flex:none;height:calc(52 * var(--k));min-height:36px;max-height:none;align-self:flex-start;margin:0 0 calc(6 * var(--k))}.cols-8 .col-text{flex:none;align-self:stretch;gap:0}.cols-8 .col-title{font-size:max(13.5px,calc(15.5 * var(--k)));line-height:1.15}.cols-8 .col-sub,.cols-8 .col-samples,.cols-8 .col-go{display:none}.cols-8 .col-pill{margin-top:calc(6 * var(--k));font-size:max(11px,calc(12 * var(--k)));padding:calc(2 * var(--k)) calc(10 * var(--k))}.practice-row{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin:0 -16px;padding:0 16px 2px;scroll-padding:0 16px}.practice-row::-webkit-scrollbar{display:none}.pract{flex:0 0 auto;width:62%;min-width:0;scroll-snap-align:start}}.intro-img{object-fit:contain;filter:drop-shadow(0 10px 14px rgba(40,30,90,.2))}img.intro-art{width:clamp(120px,18vw,190px)}.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.75rem}.tool{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.85rem;padding:.85rem 1rem;text-decoration:none;color:var(--ink);transition:transform .2s ease,box-shadow .2s ease}.tool:hover{transform:translateY(-2px);box-shadow:0 14px 28px -18px #281e5a59}.tool-art{display:grid;place-items:center;width:46px;height:46px}.tool-art img,.tool-art svg{max-width:46px;max-height:46px;width:auto;height:auto}.tool-art .pract-clock{height:40px}.tool-text{display:flex;flex-direction:column;min-width:0}.tool-title{font-weight:700}.unit-intro{margin:-.35rem 0 .15rem}.grid-panel{overflow-x:auto}.grid-table{border-collapse:collapse;width:100%;font-size:.98rem}.grid-table th,.grid-table td{text-align:left;padding:.5rem .75rem;border-bottom:1px solid var(--line, rgba(127, 127, 160, .18));white-space:nowrap}.grid-table thead th{font-weight:700;color:var(--tone-ink, var(--accent))}.grid-table tbody th{font-weight:600;color:var(--ink-2)}.grid-table tbody tr:last-child th,.grid-table tbody tr:last-child td{border-bottom:0}.quiz-line.is-sentence{font-size:clamp(1.1rem,3vw,1.35rem);flex-wrap:wrap;justify-content:center;text-align:center;line-height:1.4}.practice-cta{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.practice-cta h2{font-size:1.15rem;font-weight:700}.topic-rule{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.9rem 1.1rem}.topic-rule-text{min-width:0}.topic-rule-title{font-weight:700}.topic-rule-formula{margin-top:.15rem;font-weight:650;color:var(--tone-ink, var(--accent));overflow-wrap:anywhere}@container (max-width: 400px){.home-top .topbar-right>:last-child{display:none}}