:root{--bg: #f4f5f9;--surface: #ffffff;--surface-2: #eef0f6;--ink: #0f1729;--muted: #5d6680;--line: #e2e5ee;--accent: #d4470d;--accent-hover: #b93c09;--accent-soft: #ffece2;--on-accent: #ffffff;--night: #121a3a;--night-2: #23306b;--on-night: #f4f6ff;--night-muted: #b9c2e8;--blue: #2f5bea;--blue-soft: #e7edff;--good: #11935a;--good-soft: #dff5e9;--bad: #d63336;--bad-soft: #fde8e8;--warn: #b26a00;--warn-soft: #fff1d9;--ring-track: #eceef5;--shadow: 0 1px 2px rgb(15 23 41 / .05), 0 8px 24px -12px rgb(15 23 41 / .14);--f-display: "Bricolage Grotesque", "Figtree", system-ui, sans-serif;--f-body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;--f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;--r-lg: 22px;--r: 14px;--r-sm: 10px;--side: 248px;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0b1020;--surface: #141b31;--surface-2: #1b2340;--ink: #eef1fa;--muted: #9aa4c4;--line: #263056;--accent: #ff7a3d;--accent-hover: #ff8f5c;--accent-soft: #3a2014;--on-accent: #1a0c04;--night: #1a2552;--night-2: #2c3c8a;--on-night: #f4f6ff;--night-muted: #c3cbef;--blue: #8aa6ff;--blue-soft: #1c2650;--good: #4fd394;--good-soft: #12321f;--bad: #ff7b7d;--bad-soft: #3b1718;--warn: #f2b85a;--warn-soft: #3a2a10;--ring-track: #232c4d;--shadow: 0 1px 2px rgb(0 0 0 / .3), 0 10px 30px -14px rgb(0 0 0 / .6);color-scheme:dark}}:root[data-theme=dark]{--bg: #0b1020;--surface: #141b31;--surface-2: #1b2340;--ink: #eef1fa;--muted: #9aa4c4;--line: #263056;--accent: #ff7a3d;--accent-hover: #ff8f5c;--accent-soft: #3a2014;--on-accent: #1a0c04;--night: #1a2552;--night-2: #2c3c8a;--on-night: #f4f6ff;--night-muted: #c3cbef;--blue: #8aa6ff;--blue-soft: #1c2650;--good: #4fd394;--good-soft: #12321f;--bad: #ff7b7d;--bad-soft: #3b1718;--warn: #f2b85a;--warn-soft: #3a2a10;--ring-track: #232c4d;--shadow: 0 1px 2px rgb(0 0 0 / .3), 0 10px 30px -14px rgb(0 0 0 / .6);color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:1rem;line-height:1.55;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--f-display);line-height:1.1;margin:0;text-wrap:balance;letter-spacing:-.02em}h1{font-size:clamp(1.9rem,4.4vw,2.6rem);font-weight:800}h2{font-size:1.2rem;font-weight:700;letter-spacing:-.01em}p{margin:0}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}a{color:var(--blue)}[hidden]{display:none!important}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}.wrap{max-width:960px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}.page{padding-block:24px 64px}.stack{display:flex;flex-direction:column;gap:16px}.inline{display:flex;gap:8px;align-items:center}.wrap-row{flex-wrap:wrap}.grow{flex:1 1 200px;min-width:0}.row-between{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.lede{font-size:1.05rem;color:var(--muted);max-width:62ch}.muted{color:var(--muted)}.small{font-size:.86rem}.mono{font-family:var(--f-mono);font-size:.85em}.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.page-head{display:flex;flex-direction:column;gap:6px}.center-block{align-items:flex-start}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:11px 20px;font-weight:700;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;transition:transform .12s,background .15s,border-color .15s,box-shadow .15s}.btn:hover:not(:disabled){border-color:var(--ink)}.btn:active:not(:disabled){transform:translateY(1px) scale(.99)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);box-shadow:0 6px 16px -8px var(--accent)}.btn.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn.on-dark{background:var(--surface);color:var(--ink);border-color:transparent}.btn.on-dark:hover{background:var(--accent-soft)}.btn.ghost{background:transparent}.btn.danger{color:var(--bad);border-color:var(--bad);background:var(--bad-soft)}.btn.small{padding:6px 12px;font-size:.86rem}.btn.big{padding:14px 24px;font-size:1.05rem}.btn.wide{width:100%}.link{background:none;border:0;color:var(--blue);padding:4px 0;font-weight:600;text-decoration:none}.link:hover{text-decoration:underline;text-underline-offset:3px}.align-end{align-self:flex-end;margin-top:-6px}.field{display:flex;flex-direction:column;gap:6px;border:0;padding:0;margin:0;min-width:0}.field>span,.field>legend{font-weight:600;font-size:.92rem;padding:0;margin-bottom:2px}input:not([type=radio]):not([type=range]):not([type=checkbox]),select{padding:12px 14px;border-radius:var(--r);border:1.5px solid var(--line);background:var(--surface);width:100%;min-width:0;transition:border-color .15s,box-shadow .15s}input:not([type=radio]):not([type=range]):not([type=checkbox]):focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}input[type=range]{width:100%;accent-color:var(--accent)}.choices{display:flex;flex-wrap:wrap;gap:8px}.choice{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:9px 16px;cursor:pointer;font-weight:600}.choice input{accent-color:var(--accent)}.choice:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}.error{color:var(--bad);background:var(--bad-soft);padding:11px 14px;border-radius:var(--r-sm);font-weight:500}.notice{background:var(--blue-soft);color:var(--ink);padding:12px 14px;border-radius:var(--r-sm)}.pill{display:inline-flex;align-items:center;gap:4px;font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--blue-soft);color:var(--blue);white-space:nowrap}.pill.good{background:var(--good-soft);color:var(--good)}.badge{font-size:.76rem;padding:3px 9px;border-radius:999px;background:var(--warn-soft);color:var(--warn);font-weight:700}.toast{position:fixed;left:50%;bottom:calc(88px + env(safe-area-inset-bottom,0px));transform:translate(-50%);background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:999px;max-width:calc(100% - 32px);z-index:50;box-shadow:var(--shadow);font-weight:600}@media(min-width:900px){.toast{bottom:24px}}.card,.panel{background:var(--surface);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}.meter{display:block;height:8px;background:var(--ring-track);border-radius:99px;overflow:hidden;flex:1;min-width:60px}.meter i{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .4s}.empty{display:flex;flex-direction:column;align-items:flex-start;gap:8px;color:var(--muted);padding-top:8px}.skeleton-page{display:grid;gap:16px}.skeleton-page div{height:120px;border-radius:var(--r-lg);background:linear-gradient(90deg,var(--surface) 0%,var(--surface-2) 50%,var(--surface) 100%);background-size:200% 100%;animation:shimmer 1.2s infinite}@keyframes shimmer{to{background-position:-200% 0}}.shell{min-height:100vh}.sidebar{display:none}.content{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}.content-inner{max-width:1040px;margin:0 auto;padding-block:24px 40px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));display:flex;flex-direction:column;gap:20px}.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(4,1fr);background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:6px max(8px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(8px,env(safe-area-inset-left,0px))}.tab-link{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;font-size:.72rem;font-weight:700;color:var(--muted);text-decoration:none;border-radius:var(--r)}.tab-link.active{color:var(--accent)}.tab-link.active .tab-icon{background:var(--accent-soft)}.tab-icon{position:relative;display:grid;place-items:center;width:52px;height:30px;border-radius:999px;transition:background .15s}.dot{position:absolute;top:2px;right:12px;width:9px;height:9px;border-radius:50%;background:var(--accent);border:2px solid var(--surface)}@media(min-width:900px){.shell{display:grid;grid-template-columns:var(--side) minmax(0,1fr)}.tabbar{display:none}.content{padding-bottom:0}.content-inner{padding-block:40px 64px;padding-left:40px;padding-right:40px}.sidebar{display:flex;flex-direction:column;gap:28px;position:sticky;top:0;height:100vh;padding:24px 16px;background:var(--surface);border-right:1px solid var(--line)}}.brand-mark{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:800;font-size:1.15rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none;padding:0 8px}.side-nav{display:flex;flex-direction:column;gap:4px}.side-link{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:var(--r);color:var(--muted);font-weight:600;text-decoration:none;border:0;background:none;width:100%;text-align:left}.side-link:hover{background:var(--surface-2);color:var(--ink)}.side-link.active{background:var(--accent-soft);color:var(--accent)}.count{margin-left:auto;background:var(--accent);color:var(--on-accent);border-radius:999px;font-size:.72rem;font-weight:800;padding:1px 8px;font-variant-numeric:tabular-nums}.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--line);padding-top:16px}.me{display:flex;align-items:center;gap:10px;padding:0 8px;min-width:0}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--night);color:var(--on-night);font-weight:800;flex:none}.me-text{display:flex;flex-direction:column;min-width:0;line-height:1.25}.me-text b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.me-text small{color:var(--muted)}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1fr;background:var(--bg)}.auth-brand{background:radial-gradient(120% 90% at 0% 0%,var(--night-2) 0%,var(--night) 60%);color:var(--on-night);padding:28px max(20px,env(safe-area-inset-left,0px)) 32px;display:flex;flex-direction:column;gap:28px;overflow:hidden;position:relative}.auth-brand .brand-mark{color:var(--on-night);padding:0}.auth-pitch{display:flex;flex-direction:column;gap:12px;max-width:46ch}.auth-pitch .eyebrow{color:#ffb48f}.auth-pitch h1{font-size:clamp(2rem,5vw,3.2rem);color:var(--on-night)}.auth-pitch p{color:var(--night-muted);font-size:1.05rem}.auth-points{list-style:none;margin:8px 0 0;padding:0;display:none;flex-direction:column;gap:12px;color:var(--on-night);font-weight:600}.auth-points li{display:flex;align-items:center;gap:12px}.auth-points svg{color:#ffb48f;flex:none}.word-ticker{display:flex;flex-wrap:wrap;gap:8px}.word-ticker span{font-family:var(--f-display);font-weight:700;padding:6px 14px;border-radius:999px;background:#ffffff14;border:1px solid rgb(255 255 255 / .14);color:var(--on-night);font-size:.95rem}.auth-main{display:flex;flex-direction:column;align-items:center;gap:20px;padding:24px max(16px,env(safe-area-inset-right,0px)) 48px max(16px,env(safe-area-inset-left,0px))}.auth-lang{display:flex;gap:4px;align-self:flex-end;background:var(--surface);padding:4px;border-radius:999px;box-shadow:var(--shadow)}.auth-lang button{border:0;background:transparent;border-radius:999px;padding:6px 12px;font-size:.8rem;font-weight:800;color:var(--muted)}.auth-lang button[aria-pressed=true]{background:var(--ink);color:var(--bg)}.auth-card{width:100%;max-width:420px;background:var(--surface);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow)}.auth-card h2{font-size:1.6rem;font-weight:800}.auth-card .switch{text-align:center;color:var(--muted)}.code-input{font-family:var(--f-mono);font-size:1.6rem!important;letter-spacing:.35em;text-align:center}@media(min-width:900px){.auth-shell{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}.auth-brand{padding:40px 56px;justify-content:space-between;min-height:100vh;position:sticky;top:0}.auth-points{display:flex}.auth-main{justify-content:center;padding:40px}.auth-lang{position:absolute;top:24px;right:32px}.auth-card{padding:36px 32px}}.onboarding{padding-block:40px 64px;max-width:640px;display:flex;flex-direction:column;gap:24px}.onboarding form{background:var(--surface);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);gap:22px}.dash{display:flex;flex-direction:column;gap:20px}.hero-card{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;padding:28px;border-radius:var(--r-lg);background:radial-gradient(120% 140% at 100% 0%,var(--night-2) 0%,var(--night) 55%);color:var(--on-night);box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-card:after{content:"";position:absolute;right:-60px;bottom:-80px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgb(255 122 61 / .45),transparent 65%);pointer-events:none}.hero-text{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1 1 280px;position:relative;z-index:1}.hero-kicker{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#ffb48f}.hero-title{font-family:var(--f-display);font-weight:800;font-size:clamp(1.4rem,3.2vw,1.9rem);line-height:1.15;letter-spacing:-.02em}.hero-more{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-wrap:wrap;gap:8px}.hero-more a{color:var(--on-night);text-decoration:none;font-weight:600;font-size:.9rem;padding:6px 12px;border-radius:999px;background:#ffffff1a}.hero-more a:hover{background:#ffffff2e}.hero-card .btn{position:relative;z-index:1}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.tile{background:var(--surface);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:4px}.tile-ring{flex-direction:row;align-items:center;gap:16px}.tile-ring>div:last-child{display:flex;flex-direction:column;gap:6px;align-items:flex-start}.tile-label{font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.tile-num{font-family:var(--f-display);font-size:1.9rem;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.tile-num small{font-size:.95rem;font-weight:600;color:var(--muted)}.tile-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:8px}.tile-icon.flame{background:var(--surface-2);color:var(--muted)}.tile-icon.flame.on{background:var(--accent-soft);color:var(--accent)}.tile-icon.words{background:var(--blue-soft);color:var(--blue)}.ring{position:relative;flex:none}.ring-inner{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}.ring-inner b{font-family:var(--f-display);font-size:2rem;font-weight:800;font-variant-numeric:tabular-nums}.ring-inner small{color:var(--muted);font-weight:600;margin-top:4px}.ring-value{transition:stroke-dasharray .6s ease}.bars{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;height:190px;margin-top:16px}.bar-col{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0}.bar-val{font-size:.78rem;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;min-height:1.2em}.bar-track{flex:1;width:100%;max-width:44px;display:flex;align-items:flex-end;background:var(--surface-2);border-radius:12px;overflow:hidden}.bar-track i{display:block;width:100%;background:var(--blue);border-radius:12px;transition:height .5s ease}.bar-label{font-size:.8rem;font-weight:700;color:var(--muted);text-transform:uppercase}.bar-col.today .bar-label{color:var(--accent)}.skills{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:12px}.skills li{display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:600}.skill-val{display:inline-flex;align-items:center;gap:10px;width:55%;font-variant-numeric:tabular-nums}.skill-val b{width:3ch;text-align:right}.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}@media(max-width:620px){.topic-grid{grid-auto-flow:column;grid-template-columns:none;grid-auto-columns:44%;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 12px;scrollbar-width:none}.topic-card{scroll-snap-align:start}}.topic-card{--hue: var(--blue);--hue-soft: var(--blue-soft);position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;padding:16px;border-radius:var(--r-lg);border:2px solid transparent;background:var(--surface);box-shadow:var(--shadow);transition:transform .15s,border-color .15s;min-width:0}.topic-card:hover{transform:translateY(-2px)}.topic-card[aria-pressed=true]{border-color:var(--hue)}.topic-card .meter i{background:var(--hue)}.topic-level{font-size:.7rem;font-weight:800;letter-spacing:.06em;padding:2px 8px;border-radius:999px;background:var(--hue-soft);color:var(--hue)}.topic-title{font-family:var(--f-display);font-weight:700;font-size:1.05rem;line-height:1.2}.topic-count{font-size:.8rem;color:var(--muted);font-weight:600;font-variant-numeric:tabular-nums}.hue-1{--hue: var(--accent);--hue-soft: var(--accent-soft)}.hue-2{--hue: var(--good);--hue-soft: var(--good-soft)}.hue-3{--hue: var(--warn);--hue-soft: var(--warn-soft)}.hue-4{--hue: var(--bad);--hue-soft: var(--bad-soft)}.hue-5{--hue: var(--ink);--hue-soft: var(--surface-2)}.legend{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:.88rem;color:var(--muted)}.art{font-family:var(--f-mono);font-size:.74rem;font-weight:600;padding:2px 7px;border-radius:6px;margin-right:6px;vertical-align:middle}.art.de{background:var(--blue-soft);color:var(--blue)}.art.het{background:var(--accent-soft);color:var(--accent)}.wordlist{list-style:none;margin:0;padding:6px;display:flex;flex-direction:column;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow)}.word{display:grid;grid-template-columns:auto minmax(0,1fr) minmax(0,1fr) auto;gap:14px;align-items:center;padding:12px;border-radius:var(--r)}.word+.word{border-top:1px solid var(--line)}.word:hover{background:var(--surface-2)}.word .nl{font-family:var(--f-display);font-weight:700;font-size:1.15rem;min-width:0}.word .sub{display:block;font-family:var(--f-body);font-weight:400;font-size:.8rem;color:var(--muted)}.word .tr{min-width:0;color:var(--muted)}@media(max-width:620px){.word{grid-template-columns:auto minmax(0,1fr) auto}.word .tr{grid-column:2;grid-row:2;margin-top:-8px}.word>:last-child{grid-column:3;grid-row:1 / 3}}.speak{width:40px;height:40px;border-radius:50%;border:0;background:var(--blue-soft);display:inline-grid;place-items:center;color:var(--blue);flex:none;padding:0;transition:transform .12s}.speak:hover{transform:scale(1.06)}.speak:active{transform:scale(.95)}.speak svg{width:19px;height:19px}.counter{font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}.flashcard{background:var(--surface);border-radius:28px;min-height:280px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:32px 20px;text-align:center;box-shadow:var(--shadow)}.flashcard .front,.flashcard .back{display:flex;flex-direction:column;align-items:center;gap:12px}.flashcard .back{border-top:2px dashed var(--line);padding-top:20px;width:100%;animation:rise .25s ease}@keyframes rise{0%{opacity:0;transform:translateY(6px)}}.flashcard .big{font-family:var(--f-display);font-weight:800;font-size:clamp(2rem,7vw,3rem);line-height:1.1;letter-spacing:-.02em;overflow-wrap:anywhere}.grades{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.grades .btn{flex-direction:column;gap:0;border-radius:var(--r);padding:12px 8px}.grades small{font-weight:500;font-size:.74rem;opacity:.85}.grade-again{background:var(--bad-soft)!important;border-color:transparent!important;color:var(--bad)!important}.grade-hard{background:var(--warn-soft)!important;border-color:transparent!important;color:var(--warn)!important}.grade-good{background:var(--good-soft)!important;border-color:transparent!important;color:var(--good)!important}.grade-easy{background:var(--blue-soft)!important;border-color:transparent!important;color:var(--blue)!important}@media(max-width:480px){.grades{grid-template-columns:repeat(2,minmax(0,1fr))}}.settings .card{gap:16px}.memory{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.memory li{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid var(--line)}.mem-text{flex:1 1 200px;min-width:0}.memory input{flex:1 1 200px}.danger-zone{border:1.5px solid var(--bad-soft)}.course{display:flex;flex-direction:column;gap:20px}.seg{display:inline-flex;gap:4px;background:var(--surface);padding:4px;border-radius:999px;box-shadow:var(--shadow);align-self:flex-start}.seg button{border:0;background:transparent;border-radius:999px;padding:7px 16px;font-weight:800;color:var(--muted)}.seg button[aria-pressed=true]{background:var(--ink);color:var(--bg)}.level-card{display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);gap:24px;background:var(--surface);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}@media(max-width:620px){.level-card{grid-template-columns:1fr}}.level-progress{display:flex;flex-direction:column;gap:6px}.level-goals ul{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}.level-goals li{display:flex;gap:8px;align-items:flex-start}.level-goals svg{color:var(--good);flex:none;margin-top:3px}.units{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}.unit{background:var(--surface);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}.unit-head{display:flex;gap:14px;align-items:center}.unit-num{width:44px;height:44px;flex:none;border-radius:14px;display:grid;place-items:center;background:var(--night);color:var(--on-night);font-family:var(--f-display);font-weight:800;font-size:1.2rem}.unit-goals{margin:0;padding-left:20px;color:var(--muted);font-size:.9rem;display:flex;flex-direction:column;gap:2px}.lessons{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.lesson-row{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--r);text-decoration:none;color:var(--ink);background:var(--surface-2);border:2px solid transparent;transition:border-color .15s,transform .12s}.lesson-row:hover{border-color:var(--line);transform:translate(2px)}.lesson-row.next{border-color:var(--accent);background:var(--accent-soft)}.lesson-dot{width:32px;height:32px;flex:none;border-radius:50%;display:grid;place-items:center;background:var(--surface);font-weight:800;color:var(--muted)}.lesson-row.done .lesson-dot{background:var(--good);color:var(--surface)}.lesson-row.test .lesson-dot{color:var(--accent)}.lesson-text{display:flex;flex-direction:column;min-width:0;flex:1;line-height:1.3}.lesson-text small{color:var(--muted)}.lesson-go{color:var(--muted);flex:none}.final-card{display:flex;align-items:center;gap:16px;padding:22px;border-radius:var(--r-lg);text-decoration:none;color:var(--on-night);background:radial-gradient(120% 140% at 100% 0%,var(--night-2) 0%,var(--night) 60%);box-shadow:var(--shadow)}.final-card span:not(.pill){display:flex;flex-direction:column;flex:1;min-width:0}.final-card b{font-family:var(--f-display);font-size:1.2rem}.final-card small{color:var(--night-muted)}.player{min-height:100vh;max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px;padding:calc(16px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 180px max(16px,env(safe-area-inset-left,0px))}.player-top{display:flex;align-items:center;gap:14px}.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:var(--muted);text-decoration:none;flex:none}.icon-btn:hover{background:var(--surface-2);color:var(--ink)}.player-progress{flex:1;height:14px;border-radius:999px;background:var(--ring-track);overflow:hidden}.player-progress i{display:block;height:100%;border-radius:999px;background:var(--good);transition:width .35s ease}.player-count{font-weight:800;color:var(--muted);font-variant-numeric:tabular-nums}.player-title{color:var(--muted);font-weight:600;font-size:.9rem}.player-body{animation:rise .25s ease}.player-body h2{font-size:clamp(1.5rem,4vw,2rem);font-weight:800;margin-bottom:12px}.prose{display:flex;flex-direction:column;gap:12px;font-size:1.08rem;max-width:62ch}.prose strong{color:var(--accent)}.examples{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-direction:column;gap:8px}.examples li{display:grid;grid-template-columns:auto minmax(0,1fr) minmax(0,1fr);gap:12px;align-items:center;background:var(--surface);padding:10px 12px;border-radius:var(--r);box-shadow:var(--shadow)}.ex-nl{font-family:var(--f-display);font-weight:700;font-size:1.15rem}.ex-tr{color:var(--muted)}.tip{display:flex;gap:10px;align-items:flex-start;margin-top:16px;background:var(--warn-soft);color:var(--ink);padding:12px 14px;border-radius:var(--r)}.tip svg{color:var(--warn);flex:none;margin-top:2px}.vocab-cards{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}.vocab-cards li{display:flex;gap:12px;align-items:center;background:var(--surface);padding:14px;border-radius:var(--r);box-shadow:var(--shadow);min-width:0}.vocab-cards li>div{display:flex;flex-direction:column;min-width:0}.vc-nl{font-family:var(--f-display);font-weight:800;font-size:1.2rem}.vc-tr{color:var(--ink)}.vc-sub{font-size:.8rem;color:var(--muted)}.toggle{display:inline-flex;gap:8px;align-items:center;font-weight:600;font-size:.9rem}.toggle input{accent-color:var(--accent);width:18px;height:18px;flex:none;margin:0}.dialogue{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:10px}.bubble{display:flex;flex-direction:column;gap:2px;max-width:85%}.bubble.right{align-self:flex-end;align-items:flex-end}.who{font-size:.75rem;font-weight:800;color:var(--muted);padding:0 10px}.bubble-body{display:flex;gap:10px;align-items:flex-start;background:var(--surface);padding:10px 14px;border-radius:18px;box-shadow:var(--shadow)}.bubble.right .bubble-body{background:var(--blue-soft)}.bubble-body>div{display:flex;flex-direction:column}.bubble-body [lang=nl]{font-weight:600;font-size:1.05rem}.line-tr{color:var(--muted);font-size:.9rem}.line-play{border:0;background:none;color:var(--blue);padding:4px 0 0;flex:none}.exercise{display:flex;flex-direction:column;gap:16px}.prompt{font-family:var(--f-display);font-weight:700;font-size:clamp(1.3rem,3.6vw,1.7rem);line-height:1.2}.nl-line{display:flex;align-items:center;gap:12px;font-family:var(--f-display);font-weight:700;font-size:1.5rem}.listen-block{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 0}.listen-big{width:96px;height:96px;border-radius:28px;border:0;background:var(--blue);color:var(--surface);display:grid;place-items:center;box-shadow:0 10px 24px -10px var(--blue);transition:transform .12s}.listen-big:active{transform:scale(.95)}.options{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}.option{text-align:left;padding:16px 18px;border-radius:var(--r);border:2px solid var(--line);background:var(--surface);font-weight:600;font-size:1.05rem;transition:border-color .15s,background .15s,transform .12s}.option:hover:not(:disabled){border-color:var(--blue);transform:translateY(-1px)}.option.picked{border-color:var(--blue);background:var(--blue-soft)}.option.right{border-color:var(--good);background:var(--good-soft);color:var(--good)}.option.wrong{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}.option:disabled{cursor:default;opacity:1}.write-row{display:flex;gap:10px;flex-wrap:wrap}.write-input{flex:1 1 240px;font-size:1.2rem!important;padding:16px 18px!important}.order-tr{color:var(--muted);font-size:1.05rem}.order-answer{min-height:64px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:12px;border-bottom:2px solid var(--line)}.token-bank{display:flex;flex-wrap:wrap;gap:8px}.token{padding:10px 16px;border-radius:12px;border:2px solid var(--line);border-bottom-width:4px;background:var(--surface);font-weight:700;font-size:1.05rem;transition:transform .1s}.token:active:not(:disabled){transform:translateY(2px);border-bottom-width:2px}.token-bank .token:disabled{opacity:.25}.final-punct{font-weight:700;font-size:1.1rem}.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.match-col{display:flex;flex-direction:column;gap:8px}.token.match{text-align:center}.token.match.picked{border-color:var(--blue);background:var(--blue-soft)}.token.match.done{border-color:var(--good);background:var(--good-soft);color:var(--good);opacity:.6}.token.shake{animation:shake .4s;border-color:var(--bad)}@keyframes shake{25%{transform:translate(-4px)}75%{transform:translate(4px)}}.player-foot,.feedback{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:16px max(16px,env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));background:var(--bg);border-top:1px solid var(--line);display:flex;justify-content:center}.player-foot .btn{max-width:728px}.feedback{gap:16px;align-items:center;flex-wrap:wrap;animation:slideup .2s ease}.feedback>*{max-width:728px}.feedback.ok{background:var(--good-soft);border-top-color:var(--good)}.feedback.ko{background:var(--bad-soft);border-top-color:var(--bad)}.feedback-text{flex:1 1 320px;display:flex;flex-direction:column;gap:4px;min-width:0}.feedback-title{display:flex;align-items:center;gap:8px;font-family:var(--f-display);font-size:1.3rem}.feedback.ok .feedback-title{color:var(--good)}.feedback.ko .feedback-title{color:var(--bad)}.rule-note{font-size:.92rem;color:var(--ink)}.btn.danger-solid{background:var(--bad);border-color:var(--bad);color:var(--surface)}@keyframes slideup{0%{transform:translateY(100%)}}.summary{max-width:760px;margin:0 auto;padding:calc(24px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 48px max(16px,env(safe-area-inset-left,0px));display:flex;flex-direction:column;gap:16px}.summary-hero{text-align:center;padding:32px 20px;border-radius:var(--r-lg);display:flex;flex-direction:column;gap:6px;align-items:center}.summary-hero.ok{background:var(--good-soft)}.summary-hero.ko{background:var(--warn-soft)}.summary-score{font-family:var(--f-display);font-weight:800;font-size:4rem;line-height:1}.summary-hero.ok .summary-score{color:var(--good)}.summary-hero.ko .summary-score{color:var(--warn)}.summary-actions{display:flex;flex-direction:column;gap:10px}.rule-list,.mistakes{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}.rule-list li,.mistakes li{display:flex;flex-direction:column;gap:2px;padding-bottom:10px;border-bottom:1px solid var(--line)}.mistakes s{color:var(--bad)}.error-row>span:first-child{display:flex;flex-direction:column;min-width:0}@media(min-width:900px){.tabbar{display:none}}.tabbar{grid-template-columns:repeat(5,1fr)}.tab-icon{width:46px}.level-progress .meter,.topic-card .meter{flex:none;width:100%}.mobile-top{display:flex;align-items:center;justify-content:space-between;padding:calc(10px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 0 max(16px,env(safe-area-inset-left,0px))}.mobile-top .brand-mark{padding:0}.avatar-link{text-decoration:none;border-radius:50%}@media(min-width:900px){.mobile-top{display:none}}.search{display:flex;align-items:center;gap:10px;background:var(--surface);border-radius:999px;padding:4px 6px 4px 18px;box-shadow:var(--shadow);color:var(--muted)}.search input{border:0!important;box-shadow:none!important;background:transparent!important;padding:12px 8px!important;font-size:1.05rem}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-weight:600}.chip small{color:var(--muted);font-weight:700}.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--bg)}.chip[aria-pressed=true] small{color:inherit;opacity:.8}.chip.static{cursor:default}.word.clickable{cursor:pointer}.fav-mark{color:var(--warn);margin-left:6px;vertical-align:-2px}.seg{flex-wrap:wrap}.lw{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer;border-bottom:1.5px dotted color-mix(in srgb,var(--blue) 55%,transparent)}.lw:hover{color:var(--blue)}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#080c1e73;display:flex;align-items:flex-end;justify-content:center;animation:fade .15s}@keyframes fade{0%{opacity:0}}.sheet{position:relative;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;background:var(--surface);border-radius:26px 26px 0 0;padding:26px 22px calc(22px + env(safe-area-inset-bottom,0px));box-shadow:var(--shadow);display:flex;flex-direction:column;gap:16px;animation:slideup .22s ease;outline:none}@media(min-width:700px){.sheet-backdrop{align-items:center}.sheet{border-radius:26px}}.sheet-close{position:absolute;top:12px;right:12px}.sheet-head{display:flex;gap:14px;align-items:center;padding-right:40px}.sheet-head h2{font-size:2rem;font-weight:800}.sheet-tr{font-size:1.15rem;color:var(--muted);margin-top:2px}.sheet-tags{display:flex;flex-wrap:wrap;gap:6px}.sheet-sec{display:flex;flex-direction:column;gap:8px}.sheet-sec h3{font-family:var(--f-body);font-size:.78rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}.sheet-ex{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.sheet-ex li{display:flex;gap:10px;align-items:center}.sheet-ex li span{display:flex;flex-direction:column;min-width:0}.sheet-ex small{color:var(--muted)}.sheet-syn{flex-direction:row;flex-wrap:wrap;gap:20px}.sheet-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;border-top:1px solid var(--line);padding-top:14px}.sheet-actions select{width:auto}.btn.fav-on{background:var(--warn-soft);border-color:var(--warn);color:var(--warn)}.conj{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}.conj table{border-collapse:collapse;width:100%;background:var(--surface-2);border-radius:var(--r);overflow:hidden}.conj th,.conj td{text-align:left;padding:7px 10px;font-size:.92rem}.conj th{color:var(--muted);font-weight:600;width:45%}.conj td{font-weight:700}.conj tr+tr th,.conj tr+tr td{border-top:1px solid var(--line)}.grades.two{grid-template-columns:1fr 1fr}.art-btn{font-family:var(--f-mono);font-size:1.4rem!important;border-radius:var(--r)!important}.art-btn.de{background:var(--blue-soft);color:var(--blue);border-color:transparent}.art-btn.het{background:var(--accent-soft);color:var(--accent);border-color:transparent}.good-text{color:var(--good)}.bad-text{color:var(--bad)}.pron{display:flex;flex-direction:column;gap:22px}.sound-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.sound-card{position:relative;display:flex;flex-direction:column;gap:6px;padding:18px;border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow);text-decoration:none;color:var(--ink);transition:transform .15s}.sound-card:hover{transform:translateY(-2px)}.sound-label{font-family:var(--f-display);font-weight:800;font-size:1.9rem;color:var(--accent);line-height:1}.sound-title{font-weight:600}.sound-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.sound-go{position:absolute;top:18px;right:16px;color:var(--muted)}.diff{display:inline-flex;gap:3px}.diff i{width:18px;height:6px;border-radius:3px;background:var(--ring-track)}.diff.d1 i.on{background:var(--good)}.diff.d2 i.on{background:var(--warn)}.diff.d3 i.on{background:var(--bad)}.sound-page{display:flex;flex-direction:column;gap:18px}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:600;text-decoration:none}.flip{transform:scaleX(-1)}.sound-hero{display:flex;align-items:center;gap:20px}.sound-big{min-width:92px;height:92px;padding:0 16px;border-radius:26px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-family:var(--f-display);font-weight:800;font-size:2.4rem}.sound-hero>div{display:flex;flex-direction:column;gap:8px}.panel h2{display:flex;align-items:center;gap:8px;margin-bottom:8px}.pitfall{border-left:4px solid var(--warn)}.pairs-play{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.pairs-options{flex:1 1 260px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.pairs-options .option{display:flex;flex-direction:column;gap:2px;text-align:center;align-items:center}.pairs-options .option b{font-family:var(--f-display);font-size:1.4rem}.speak-check{display:flex;flex-direction:column;gap:14px;background:var(--surface-2);border-radius:var(--r-lg);padding:18px}.sc-target{font-family:var(--f-display);font-weight:800;font-size:clamp(1.5rem,4vw,2.1rem);line-height:1.2}.sc-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.mic{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;background:var(--accent);color:var(--on-accent);font-weight:800;font-size:1rem;margin-left:auto;box-shadow:0 8px 20px -10px var(--accent)}.mic.on{background:var(--bad);animation:pulse-ring 1.3s infinite}@keyframes pulse-ring{0%{box-shadow:0 0 #d6333680}to{box-shadow:0 0 0 16px #d6333600}}.sc-live{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--bad)}.pulse{width:10px;height:10px;border-radius:50%;background:var(--bad);animation:blink 1s infinite}@keyframes blink{50%{opacity:.2}}.sc-result{display:flex;flex-direction:column;gap:10px;animation:rise .25s ease}.sc-score-row{display:flex;align-items:center;gap:12px;font-weight:600}.sc-score{font-family:var(--f-display);font-weight:800;font-size:2rem}.sc-score.good{color:var(--good)}.sc-score.mid{color:var(--warn)}.sc-score.low{color:var(--bad)}.sc-diff{display:flex;flex-wrap:wrap;gap:6px;font-size:1.3rem;font-weight:700}.sc-diff span{padding:2px 8px;border-radius:8px}.sc-diff .w-ok{background:var(--good-soft);color:var(--good)}.sc-diff .w-wrong,.sc-diff .w-missing{background:var(--bad-soft);color:var(--bad);text-decoration:underline wavy;text-underline-offset:4px}.sc-hints{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.sc-hints li{display:flex;flex-direction:column;gap:2px;background:var(--surface);border-radius:var(--r);padding:12px 14px;border-left:4px solid var(--warn)}.sc-compare{display:flex;gap:8px;flex-wrap:wrap}.tabbar{grid-template-columns:repeat(6,1fr)}.tab-link{font-size:.66rem}.tab-icon{width:40px}.teacher{display:flex;flex-direction:column;gap:20px}.mode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.mode-card,.scenario-card{display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-align:left;padding:20px;border-radius:var(--r-lg);border:2px solid transparent;background:var(--surface);box-shadow:var(--shadow);transition:transform .15s,border-color .15s}.mode-card:hover,.scenario-card:hover{transform:translateY(-2px);border-color:var(--accent)}.mode-card b{font-family:var(--f-display);font-size:1.2rem}.mode-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:4px}.scenario-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.scenario-card{padding:16px}.history{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:4px}.history li{display:flex;align-items:center;gap:6px}.history-row{flex:1;min-width:0;display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr) auto;gap:12px;align-items:center;text-align:left;border:0;background:var(--surface-2);padding:12px 14px;border-radius:var(--r)}.history-row span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat{display:flex;flex-direction:column;min-height:calc(100vh - 140px)}.chat-head{position:sticky;top:0;z-index:4;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 0;background:var(--bg);border-bottom:1px solid 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i:nth-child(3){height:16px;width:80%;background:#d9f2e5}.sp-minimal{background:#fff;border:1px solid #e8e8e8}.sp-minimal i:nth-child(1){height:26px;background:#111}.sp-minimal i:nth-child(2){height:16px;width:60%;background:#f2f2f2}.sp-minimal i:nth-child(3){height:16px;width:80%;background:#f26b21}.style-option b{font-weight:800}.style-option small{color:var(--muted)}.auth-brand{background:var(--hero-bg);color:var(--hero-ink)}.auth-brand .brand-mark,.auth-pitch h1{color:var(--hero-ink)}.auth-pitch p,.auth-points{color:var(--hero-muted)}.auth-pitch .eyebrow,.auth-points svg{color:var(--hero-ink)}.word-ticker span{background:#ffffff29;border-color:#ffffff4d;color:var(--hero-ink)}:root[data-style=suave] .word-ticker span{background:#fff9}.dg-streak.m-red,.dg-word.m-blue{border-color:transparent}.dg-streak.m-red small,.dg-streak.m-red span,.dg-word.m-blue .dg-word-tr,.dg-word.m-blue .dg-label{color:inherit}.dg-word .speak,.dg-word 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p{color:var(--tint-1-ink)}.invite .invite-url{color:var(--accent)}.students{display:flex;flex-direction:column;gap:20px}.ranking{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.ranking li{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:12px;align-items:center;padding:10px 14px;border-radius:var(--r);background:var(--surface-2)}.ranking li.me{background:var(--tint-1);color:var(--tint-1-ink)}.rank{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:var(--surface)}.rank.r1{background:#ffd23f;color:#3a2a00}.rank.r2{background:#d9dde6;color:#2a2f3a}.rank.r3{background:#f2c09a;color:#5a2e0c}.rank-xp{font-weight:800;font-variant-numeric:tabular-nums}.student-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.student{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:4px 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a.active{background:var(--ink);color:var(--bg)}.track-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}.track-card{display:flex;align-items:flex-start;gap:14px;padding:18px;border-radius:var(--r-lg);background:var(--surface);border:var(--card-border);box-shadow:var(--shadow);color:var(--ink);text-decoration:none;height:100%;transition:transform .15s ease}.track-card:hover{transform:translateY(-2px)}.track-card>svg:last-child{flex:none;color:var(--muted);margin-top:4px}.track-icon{flex:none;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--tint-1);color:var(--tint-1-ink)}.k-trabajo .track-icon{background:var(--tint-2);color:var(--tint-2-ink)}.k-examen .track-icon{background:var(--tint-3);color:var(--tint-3-ink)}.track-body{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1}.track-body b{font-size:1.08rem}.track-body 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var(--line);padding-left:12px}.step-read.compact .read-text{max-height:38vh;overflow-y:auto;box-shadow:none}.passage{background:var(--surface-2);border-radius:var(--r);padding:10px 14px;margin-bottom:14px}.passage>summary{cursor:pointer;font-weight:800;padding:4px 0}.passage[open]>summary{margin-bottom:8px}.exam-timer{display:inline-flex;align-items:center;gap:4px;font-family:var(--f-mono);font-size:.85rem;font-weight:700;padding:4px 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p{margin:0}.rule-lessons{margin:0;padding-left:18px;display:grid;gap:4px}.verb-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}.verb-row{background:var(--surface);border:var(--card-border);border-radius:var(--r);box-shadow:var(--shadow)}.verb-head{width:100%;display:grid;grid-template-columns:minmax(90px,auto) 1fr auto auto;align-items:center;gap:10px;padding:12px 16px;border:0;background:transparent;color:var(--ink);text-align:left}.verb-head b{font-size:1.05rem}.verb-forms{color:var(--muted);font-family:var(--f-mono);font-size:.85rem}.verb-body{padding:0 16px 16px;display:flex;flex-direction:column;gap:10px}.verb-ex{display:flex;align-items:center;gap:8px;margin:0}.verb-ex small{display:block}.pill.v-strong{background:var(--tint-2);color:var(--tint-2-ink)}.pill.v-irregular{background:var(--tint-1);color:var(--tint-1-ink)}.trainer form{gap:12px}.trainer-verb{font-size:1.8rem;font-weight:800;margin:0}.trainer-verb small{font-size:1rem;font-weight:600}.trainer-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.trainer-subj{font-size:1.2rem;font-weight:700;color:var(--muted)}.write-input.ok{border-color:var(--good)!important;background:var(--good-soft)!important}.write-input.ko{border-color:var(--bad)!important;background:var(--bad-soft)!important}.ok-text{color:var(--good);font-weight:700;margin:0}@media(max-width:560px){.verb-head{grid-template-columns:1fr auto}.verb-head .muted{grid-column:1 / -1;grid-row:2;font-size:.9rem}.verb-forms{display:none}}.landing{min-height:100vh;background:var(--bg);color:var(--ink);display:flex;flex-direction:column}.landing .wrap,.legal-shell .wrap{max-width:1120px;width:100%;box-sizing:border-box}.landing-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:16px}.landing-nav .brand-mark{text-decoration:none}.landing-nav .row{gap:10px;align-items:center}.landing-nav 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currentColor}.landing-small{font-size:.9rem;color:var(--hero-muted);margin:0}.landing-demo{position:relative;display:flex;flex-direction:column;gap:14px;max-width:420px;width:100%;justify-self:center}.demo-card{background:var(--surface);color:var(--ink);border-radius:24px;padding:22px;box-shadow:0 30px 60px -30px #00000073;display:flex;flex-direction:column;gap:10px;transform:rotate(-1.5deg)}.demo-tag{align-self:flex-start;font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.demo-q{margin:0;color:var(--muted);font-size:.92rem}.demo-nl{margin:0;font-size:1.25rem;font-weight:700}.demo-nl u{text-decoration-color:var(--accent);text-decoration-thickness:3px;text-underline-offset:4px}.demo-fix{display:flex;gap:8px;align-items:flex-start;background:var(--good-soft);color:var(--good);border-radius:14px;padding:10px 12px;font-weight:600;font-size:.92rem}.demo-fix svg{flex:none;margin-top:2px}.demo-bubble{align-self:flex-end;display:flex;align-items:center;gap:8px;background:var(--ink);color:var(--bg);padding:12px 16px;border-radius:20px 20px 4px;font-weight:700;transform:rotate(1deg)}.landing-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:-28px;position:relative}.landing-stats div{background:var(--surface);border:var(--card-border);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:2px}.landing-stats b{font-size:clamp(1.6rem,4vw,2.2rem);letter-spacing:-.02em;color:var(--accent)}.landing-stats span{color:var(--muted);font-weight:600;font-size:.92rem}.landing-section{padding-block:40px 8px;display:flex;flex-direction:column;gap:20px}.landing-section h2{font-size:clamp(1.6rem,4vw,2.3rem);letter-spacing:-.02em;margin:0}.landing-features{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.landing-features li{background:var(--surface);border:var(--card-border);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:20px;display:flex;flex-direction:column;gap:8px}.landing-features li span:last-child{color:var(--muted);line-height:1.5}.lf-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--tint-1);color:var(--tint-1-ink)}.landing-features li:nth-child(3n+2) .lf-icon{background:var(--tint-2);color:var(--tint-2-ink)}.landing-features li:nth-child(3n) .lf-icon{background:var(--tint-3);color:var(--tint-3-ink)}.landing-how ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.landing-how li{display:flex;flex-direction:column;gap:6px;padding:20px;border-radius:var(--r-lg);background:var(--surface-2)}.landing-how li span:last-child{color:var(--muted)}.how-n{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--on-accent);font-weight:800}.faq{display:grid;gap:8px}.faq details{background:var(--surface);border:var(--card-border);border-radius:var(--r);box-shadow:var(--shadow);padding:14px 18px}.faq summary{cursor:pointer;font-weight:800}.faq p{margin:10px 0 0;color:var(--muted);line-height:1.55}.landing-final{margin-top:48px;background:var(--ink);color:var(--bg);padding-block:48px;text-align:center}.landing-final .wrap{display:flex;flex-direction:column;align-items:center;gap:18px}.landing-final h2{margin:0;font-size:clamp(1.6rem,4vw,2.4rem);color:var(--bg)}.legal-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-block:22px 32px;color:var(--muted);font-size:.9rem}.legal-footer .row{gap:16px}.legal-footer a{color:var(--muted)}@media(min-width:820px){.landing-hero-inner{grid-template-columns:1.15fr .85fr;padding-block:64px 80px}.landing-stats{grid-template-columns:repeat(4,1fr)}}.legal-shell{min-height:100vh;background:var(--bg)}.legal{max-width:46rem;margin:0 auto;padding-block:16px 48px}.legal h1{margin-bottom:4px}.legal h2{font-size:1.15rem;margin-top:1.6em}.legal p{line-height:1.65}.legal-accept{text-align:center;margin:0}.auth-legal{gap:16px;justify-content:center}.landing-nav nav{display:flex;flex-direction:row;align-items:center;gap:10px;flex:none}.landing-nav nav>*{flex:none;margin:0}:root .landing .landing-ctas .btn.primary,:root .landing .landing-final .btn.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}:root .landing .landing-ctas .btn.primary:hover,:root .landing .landing-final .btn.primary:hover{background:var(--accent-hover)}.dash-modules{display:flex;flex-direction:column;gap:12px}.dash-modules h2{margin:0;font-size:1.15rem}.dash-modules-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.dm-card{display:flex;flex-direction:column;gap:6px;padding:18px;border-radius:var(--r-lg);text-decoration:none;color:var(--tint-1-ink);background:var(--tint-1);border:var(--card-border);transition:transform .15s ease}.dm-card:hover{transform:translateY(-2px)}.dm-card small{opacity:.85}.dm-trabajo{background:var(--tint-2);color:var(--tint-2-ink)}.dm-examen{background:var(--tint-3);color:var(--tint-3-ink)}.track-section{display:flex;flex-direction:column;gap:12px}.track-section+.track-section{margin-top:12px}.track-section-head h2{margin:0;font-size:1.3rem}.track-section-head p{margin:4px 0 0}.track-body small{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.landing-nav .brand-mark{white-space:nowrap}@media(max-width:520px){.landing-nav .brand-mark span,.landing-nav .brand-mark{font-size:1.05rem}.landing-nav .auth-lang button{padding:6px 9px}.landing-ctas .btn{width:100%;justify-content:center}}.invite-code-input{font-family:var(--f-mono);letter-spacing:.18em;text-transform:uppercase;font-weight:700}.codes-form{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px}@media(max-width:640px){.codes-form{grid-template-columns:1fr}}.code-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.code-row{background:var(--surface);border:var(--card-border);border-radius:var(--r);box-shadow:var(--shadow);padding:14px 16px;display:flex;flex-direction:column;gap:8px}.code-row p{margin:0}.code-main{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.code-value{font-family:var(--f-mono);font-size:1.15rem;letter-spacing:.12em}.pill.st-ok{background:var(--good-soft);color:var(--good)}.pill.st-used,.pill.st-expired,.pill.st-off{background:var(--surface-2);color:var(--muted)}.code-row.st-used,.code-row.st-expired,.code-row.st-off{opacity:.75}.person-email{font-family:var(--f-mono);font-size:.85rem;word-break:break-all}.danger-confirm{background:var(--bad-soft);border-radius:var(--r-sm);padding:10px 12px;display:flex;flex-direction:column;gap:8px}.danger-confirm p{margin:0;color:var(--bad);font-weight:600}.route{display:flex;flex-direction:column;gap:6px;position:relative;--rail: 6px;--rail-x: 27px}.route-city{display:flex;flex-direction:column}.route-city-head{display:flex;align-items:center;gap:12px;padding:14px 0 8px;position:relative}.route-city-dot{position:relative;z-index:1;flex:none;width:54px;height:54px;border-radius:16px;display:grid;place-items:center;font-weight:800;font-size:1.1rem;background:var(--ink);color:var(--bg);box-shadow:0 0 0 5px var(--bg)}.route-city-name{display:flex;flex-direction:column;min-width:0}.route-city-name b{font-family:var(--f-display);font-size:clamp(1.4rem,4vw,1.9rem);letter-spacing:-.02em;line-height:1.05}.route-city-name span{color:var(--muted);font-size:.88rem}.route-stamp{margin-left:auto;flex:none;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;border:2.5px dashed var(--accent);color:var(--accent);transform:rotate(-12deg);font-family:var(--f-mono);font-size:.58rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;text-align:center;line-height:1.1}.route-stamp i{font-style:normal;max-width:54px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.route-line{list-style:none;margin:0;padding:0;position:relative}.route-stop{position:relative}.route-stop:before{content:"";position:absolute;left:calc(var(--rail-x) - var(--rail) / 2);top:-14px;bottom:0;width:var(--rail);background:repeating-linear-gradient(to bottom,var(--line) 0 10px,transparent 10px 16px);border-radius:3px}.route-stop.rail-done:before,.route-stop.here:before{background:var(--accent)}.route-hit{width:100%;display:flex;align-items:center;gap:16px;padding:10px 10px 10px 0;border:0;background:transparent;color:var(--ink);text-align:left;cursor:pointer;border-radius:var(--r)}.route-hit:hover .route-info b{color:var(--accent)}.route-station{position:relative;z-index:1;flex:none;width:54px;display:grid;place-items:center}.route-station:before{content:"";position:absolute;width:22px;height:22px;border-radius:50%;background:var(--surface);border:4px solid var(--line);box-sizing:border-box}.route-station>*{position:relative}.route-stop.done .route-station:before{width:28px;height:28px;background:var(--accent);border-color:var(--accent)}.route-stop.done .route-station{color:#fff}.route-stop.test .route-station:before{border-radius:9px;width:30px;height:30px}.route-stop.test.ahead .route-station{color:var(--muted)}.route-stop.test.done .route-station:before{background:#f2b705;border-color:#f2b705}.route-stop.here .route-station:before{width:50px;height:50px;border-radius:16px;background:var(--accent-soft);border:3px solid var(--accent)}.route-train{font-size:1.6rem;line-height:1;animation:route-idle 2.4s ease-in-out infinite}.route-info{display:flex;flex-direction:column;gap:2px;min-width:0;padding:8px 12px;border-radius:var(--r);flex:1}.route-stop.here .route-info{background:var(--surface);border:var(--card-border);box-shadow:var(--shadow)}.route-stop.sel:not(.here) .route-info{background:var(--surface-2)}.route-info b{font-size:1rem;transition:color .15s}.route-stop.ahead .route-info b{color:var(--muted);font-weight:600}.route-kicker{display:flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.route-kicker em{font-style:normal;font-family:var(--f-body);background:var(--accent);color:#fff;border-radius:999px;padding:1px 8px;letter-spacing:.04em}.path-stars{color:#f2b705;letter-spacing:1px;font-size:.9rem}@keyframes route-idle{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}.board{position:sticky;bottom:calc(96px + env(safe-area-inset-bottom,0px));z-index:5;margin-top:10px;display:grid;grid-template-columns:1fr auto;column-gap:14px;row-gap:4px;align-items:center;background:#15110f;color:#f4ece4;border-radius:18px;padding:14px 16px;box-shadow:0 18px 40px -18px #0000008c,inset 0 0 0 1px #ffffff0f}.board>*{grid-column:1;min-width:0}.board-row{display:flex;justify-content:space-between;gap:10px;font-family:var(--f-mono);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.board-label{color:#ff9a3c}.board-track{color:#a99d92}.board-title{font-family:var(--f-mono);font-size:1.12rem;color:#ffb14d;letter-spacing:.01em;animation:board-flip .45s ease-out;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.board-sub{font-size:.85rem;color:#c9bdb2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}:root .board .board-go{grid-column:2;grid-row:1 / span 3;background:var(--accent);color:#fff;border-color:var(--accent);font-weight:800;white-space:nowrap}@keyframes board-flip{0%{transform:rotateX(90deg);opacity:0}to{transform:rotateX(0);opacity:1}}@media(min-width:900px){.board{bottom:16px;width:min(600px,100%);margin-inline:auto}}@media(max-width:560px){.board{grid-template-columns:1fr}.board-sub{display:none}:root .board .board-go{grid-column:1;grid-row:auto;justify-content:center;margin-top:6px}}@media(prefers-reduced-motion:reduce){.route-train,.board-title{animation:none}}.glossed{line-height:1.2}.gw{display:inline-flex;flex-direction:column;align-items:center;vertical-align:top;margin:0 0 6px}.gw.sp{margin-right:.32em}.gw-top{white-space:nowrap}.gw .lw{line-height:1.3}.gl-es,.gl-en{font-size:.62em;line-height:1.15;font-weight:600;letter-spacing:0;white-space:nowrap;max-width:9.5em;overflow:hidden;text-overflow:ellipsis}.gl-es{color:var(--accent)}.gl-en{color:var(--muted);font-weight:500}.gloss-toggle{display:inline-flex;align-items:center;gap:5px;border:1.5px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:4px 10px;font-size:.8rem;font-weight:700;cursor:pointer;flex:none}.gloss-toggle.m-auto,.gloss-toggle.m-all{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.view-switch{align-self:flex-start}.pathmap{display:flex;flex-direction:column;gap:18px;position:relative}.path-greet{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:var(--card-border);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:14px 16px}.path-greet p{margin:0;line-height:1.5}.path-avatar{flex:none;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--tint-2);color:var(--tint-2-ink)}.path-unit{display:flex;flex-direction:column;gap:10px}.path-unit-head{display:flex;align-items:center;gap:12px;background:var(--tint-1);color:var(--tint-1-ink);border-radius:var(--r-lg);padding:12px 16px}.path-unit:nth-child(3n+1) .path-unit-head{background:var(--tint-2);color:var(--tint-2-ink)}.path-unit:nth-child(3n) .path-unit-head{background:var(--tint-3);color:var(--tint-3-ink)}.path-unit-head h2{margin:0;font-size:1.05rem;color:inherit}.path-unit-head small{opacity:.8}.path-unit-num{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#fff9;font-weight:800}.path-track{position:relative;width:100%;max-width:360px;margin:6px auto 0}.path-line{position:absolute;left:50%;top:0;width:320px;transform:translate(-50%);overflow:visible;z-index:0}.path-stop{z-index:1}.path-line .pl-base{stroke:var(--line);stroke-width:7;stroke-linecap:round;stroke-dasharray:2 13}.path-line .pl-done{stroke:var(--accent);stroke-width:7;stroke-linecap:round;opacity:.85}.path-stop{position:absolute;left:50%;width:0;height:92px;display:flex;align-items:center;justify-content:center}.path-node{position:absolute;left:-37px;top:9px;width:74px;height:74px;border-radius:26px;border:0;display:grid;place-items:center;font-size:1.5rem;font-weight:800;cursor:pointer;transition:transform .18s cubic-bezier(.3,1.6,.6,1),box-shadow .15s ease;background:var(--surface);color:var(--muted);border:2px solid var(--line);box-shadow:0 6px 0 var(--line)}.path-node:hover{transform:translateY(-3px) rotate(-3deg)}.path-node:active{transform:translateY(4px);box-shadow:0 1px 0 var(--line)}.path-node.done{background:var(--good);border-color:var(--good);color:#fff;box-shadow:0 6px color-mix(in srgb,var(--good) 55%,#000)}.path-node.next{left:-45px;top:1px;width:90px;height:90px;border-radius:30px;font-size:2.1rem;border:0;color:#fff;background:linear-gradient(140deg,#ff9a3c 0%,var(--accent) 55%,#e2551a 100%);box-shadow:0 7px #b8420f,0 18px 30px -10px color-mix(in srgb,var(--accent) 70%,transparent)}.path-node.next:after{content:"";position:absolute;top:-9px;right:-9px;bottom:-9px;left:-9px;border-radius:36px;border:3px solid color-mix(in srgb,var(--accent) 45%,transparent);animation:path-ring 2.4s ease-out infinite}.path-node.test{background:var(--tint-2);border-color:transparent;color:var(--tint-2-ink);box-shadow:0 6px color-mix(in srgb,var(--tint-2-ink) 30%,transparent)}.path-node.test.done{background:linear-gradient(140deg,#ffd66b,#f2b705);color:#5a3d00;box-shadow:0 6px #b78600}.path-node.sel:not(.next){outline:3px solid var(--accent);outline-offset:5px}.path-bubble{position:absolute;top:50%;white-space:nowrap;background:var(--ink);color:var(--bg);font-weight:800;font-size:.8rem;padding:6px 12px;border-radius:12px;z-index:2;animation:path-bob 1.6s ease-in-out infinite}.path-bubble.right{left:60px}.path-bubble.left{right:60px}.path-bubble:after{content:"";position:absolute;top:50%;transform:translateY(-50%);border:6px solid transparent}.path-bubble.right:after{left:-11px;border-right-color:var(--ink)}.path-bubble.left:after{right:-11px;border-left-color:var(--ink)}@keyframes path-ring{0%{transform:scale(.92);opacity:.9}to{transform:scale(1.18);opacity:0}}@keyframes path-bob{0%,to{transform:translateY(-50%)}50%{transform:translate(5px,-50%)}}.path-label{position:absolute;top:50%;transform:translateY(-50%);width:132px;display:flex;flex-direction:column;gap:2px;font-size:.86rem;line-height:1.25}.path-label.right{left:56px;text-align:left;align-items:flex-start}.path-label.left{right:56px;text-align:right;align-items:flex-end}.path-label small{color:var(--muted)}.path-next{font-style:normal;font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:var(--ink);color:var(--bg);border-radius:999px;padding:2px 8px}.path-stars{color:#f2b705;letter-spacing:1px;font-size:.95rem}.path-stars i{color:var(--line);font-style:normal}.path-card{position:sticky;bottom:calc(96px + env(safe-area-inset-bottom,0px));z-index:5;display:flex;flex-direction:column;gap:6px;background:var(--ink);color:var(--bg);border-radius:var(--r-lg);padding:16px 18px;box-shadow:0 18px 40px -18px #00000080}.path-card p{margin:0;opacity:.85;font-size:.92rem}.path-card-eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;opacity:.75}.path-card-title{font-size:1.15rem}.path-card .path-cta{margin-top:6px;justify-content:center;background:var(--accent);color:#fff;border-color:var(--accent);font-weight:800}@media(min-width:900px){.path-card{bottom:16px;width:min(560px,100%);margin-inline:auto;display:grid;grid-template-columns:1fr auto;column-gap:16px;align-items:center;padding:14px 18px}.path-card>*{grid-column:1}.path-card .path-cta{grid-column:2;grid-row:1 / span 3;margin-top:0}}@media(prefers-reduced-motion:reduce){.path-node.next:after,.path-bubble{animation:none}}@media(max-width:400px){.path-label{width:110px;font-size:.8rem}}@media(max-width:560px){.path-bubble{display:none}.path-card{padding:12px 14px;gap:4px}.path-card p{display:none}.path-card .path-cta{margin-top:4px;padding-block:10px}}.version-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.version-badge{font-family:var(--f-mono);font-weight:800;font-size:1.05rem;background:var(--ink);color:var(--bg);border-radius:999px;padding:4px 14px}.range-ends{display:flex;justify-content:space-between}