:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--flag-blue:#02529c;--flag-red:#dc1e35;--bg:#f7fafd;--surface:#fff;--surface-2:#eaf1f9;--text:#17263a;--muted:#5a6b80;--border:#dbe5f0;--primary:var(--flag-blue);--primary-strong:#013e77;--primary-soft:#dce9f7;--on-primary:#fff;--accent:var(--flag-red);--accent-soft:#fbe3e6;--ok:#1d8348;--ok-soft:#e1f3e8;--near:#9a6400;--near-soft:#fbefd6;--bad:#c8293a;--bad-soft:#fbe2e5;--ring-todo:#cfdff2;--land:#e9f1fa;--coast:#b7cde5;--halo:#f7fafd;--shadow:0 1px 2px #0228500d, 0 4px 14px #0228500d;--radius:14px;--tap:44px;--nav-h:54px;--top-h:56px;--font:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--flag-blue:#6fa8e8;--flag-red:#ec6f7e;--bg:#0a1628;--surface:#10213a;--surface-2:#172d4b;--text:#e6edf6;--muted:#98abc2;--border:#213a5c;--primary-strong:#94c0f0;--primary-soft:#1a3557;--on-primary:#06152a;--accent-soft:#3a1b26;--ok:#5fcb8b;--ok-soft:#12321f;--near:#e6b85a;--near-soft:#3a2e12;--bad:#f08391;--bad-soft:#3d1c24;--ring-todo:#2e507a;--land:#142a47;--coast:#2a4a72;--halo:#0a1628;--shadow:0 1px 2px #0006}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--flag-blue:#6fa8e8;--flag-red:#ec6f7e;--bg:#0a1628;--surface:#10213a;--surface-2:#172d4b;--text:#e6edf6;--muted:#98abc2;--border:#213a5c;--primary-strong:#94c0f0;--primary-soft:#1a3557;--on-primary:#06152a;--accent-soft:#3a1b26;--ok:#5fcb8b;--ok-soft:#12321f;--near:#e6b85a;--near-soft:#3a2e12;--bad:#f08391;--bad-soft:#3d1c24;--ring-todo:#2e507a;--land:#142a47;--coast:#2a4a72;--halo:#0a1628;--shadow:0 1px 2px #0006}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:1.0625rem;line-height:1.55}h1{letter-spacing:-.01em;margin:.5rem 0 .25rem;font-size:1.75rem;line-height:1.2}h2{margin:0 0 .5rem;font-size:1.15rem}p{margin:0 0 .75rem}a{color:var(--primary);text-underline-offset:2px}em{font-style:italic}.lead{color:var(--muted);margin-bottom:1.25rem}.muted{color:var(--muted)}.small{font-size:.875rem}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.section-title{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:1.75rem 0 .6rem;font-size:.8125rem}.with-icon{align-items:center;gap:8px;margin:0;display:inline-flex}.with-icon svg{color:var(--primary)}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:6px}.app{flex-direction:column;min-height:100dvh;display:flex}.topbar{z-index:10;min-height:calc(var(--top-h) + env(safe-area-inset-top));padding:env(safe-area-inset-top) 16px 0;background:color-mix(in srgb, var(--bg) 92%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.brand{color:var(--text);min-height:var(--tap);align-items:center;gap:10px;font-weight:650;text-decoration:none;display:flex}.brand img{border-radius:8px}.topbar-links{gap:4px;display:flex}.icon-link{width:var(--tap);height:var(--tap);color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:12px;place-items:center;display:grid;position:relative}.icon-link:hover,.icon-link.active{color:var(--primary);background:var(--surface-2)}.alert-badge{background:var(--flag-red);color:#fff;width:17px;height:17px;box-shadow:0 0 0 2px var(--bg);border-radius:50%;place-items:center;font-size:.72rem;font-weight:800;line-height:1;display:grid;position:absolute;top:4px;right:3px}.content{width:100%;max-width:720px;padding:16px 16px calc(var(--nav-h) + 28px + env(safe-area-inset-bottom));flex:1;margin:0 auto}.tabs{z-index:20;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding:0 8px env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--border);justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.tab{isolation:isolate;width:56px;height:var(--tap);color:var(--muted);border-radius:12px;place-items:center;display:grid;position:relative}.tab svg{width:22px;height:22px}.tab:hover,.tab.active{color:var(--primary)}.tab.active:before{content:"";z-index:-1;background:var(--primary-soft);border-radius:11px;position:absolute;inset:4px 6px}@media (width>=800px){.app{grid-template-rows:auto 1fr;grid-template-columns:88px 1fr;display:grid}.topbar{grid-column:1/-1}.tabs{top:calc(var(--top-h) + env(safe-area-inset-top) + 17px);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;justify-content:flex-start;align-self:start;gap:6px;height:auto;margin:16px 0 0 16px;padding:8px;position:sticky}.content{padding-bottom:48px}.tab{border-radius:14px;height:48px}.tab svg{width:24px;height:24px}.tab.active:before{border-radius:14px;inset:0}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:14px;padding:18px}.card[id]{scroll-margin-top:84px}.card.empty{text-align:center;padding:28px 18px}.card.danger{border-color:color-mix(in srgb, var(--bad) 40%, var(--border))}.card.pinned{border-color:color-mix(in srgb, var(--primary) 35%, var(--border))}.card.placeholder{box-shadow:none}.btn{min-height:var(--tap);font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:0 20px;font-weight:600;text-decoration:none;display:inline-flex}.btn:hover{background:var(--surface-2)}.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.btn.primary:hover{background:var(--primary-strong)}.btn.big{width:100%;min-height:56px;margin:4px 0 8px;font-size:1.15rem;display:flex}.btn.spaced{margin-top:28px}.btn.small-btn{min-height:40px;padding:0 12px;font-size:.9375rem}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:disabled:hover{background:var(--surface)}.btn.primary:disabled:hover{background:var(--primary)}.btn-row{flex-wrap:wrap;gap:10px;display:flex}.notice{background:var(--near-soft);color:var(--text);border:1px solid color-mix(in srgb, var(--near) 45%, transparent);border-radius:var(--radius);margin-bottom:14px;padding:12px 16px}.grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.grid.two{margin-bottom:8px}@media (width>=560px){.grid:not(.two){grid-template-columns:repeat(3,1fr)}}.tile-icon{background:var(--primary-soft);width:40px;height:40px;color:var(--primary);border-radius:10px;flex:none;place-items:center;font-weight:700;display:grid}.tile-title{font-weight:650;line-height:1.25}.cat-item{width:100%;font:inherit;color:var(--text);text-align:left;cursor:pointer;align-items:center;gap:14px;margin-bottom:10px;display:flex}.cat-item:hover{border-color:var(--primary)}.cat-item.selected{border-color:var(--primary);background:var(--primary-soft)}.cat-text{flex-direction:column;gap:2px;display:flex}.link-row{color:var(--text);align-items:center;gap:12px;text-decoration:none;display:flex}.link-row svg{color:var(--primary);flex:none}.link-row .chev{color:var(--muted);margin-left:auto}.link-row:hover{border-color:var(--primary)}.goal{margin:4px 0 10px}.goal-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:6px;display:flex}.goal-head h2{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0;font-size:.8125rem;font-weight:600}.goal-head strong{color:var(--text)}.goal-bar{gap:4px;display:flex}.goal-seg{background:var(--primary-soft);border-radius:99px;flex-basis:0;height:10px;overflow:hidden}.goal-seg>span{background:var(--primary);border-radius:99px;height:100%;transition:width .6s;display:block}.list{margin:0;padding:0;list-style:none}.list.compact li{border-top:1px solid var(--border);padding:8px 0}.row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.stat{flex-direction:column;gap:2px;margin:0;display:flex}.big-num{color:var(--primary);font-size:2rem;line-height:1.1}.bar{background:var(--primary-soft);border-radius:99px;height:8px;margin-top:10px;overflow:hidden}.bar span{background:var(--primary);border-radius:99px;height:100%;display:block}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{min-height:var(--tap);font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:99px;align-items:center;gap:8px;padding:0 16px;display:inline-flex}.chip[aria-checked=true]{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.chip.check input{width:20px;height:20px;accent-color:var(--primary)}.chip.check:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}.chars{flex-wrap:wrap;gap:6px;margin:10px 0 14px;display:flex}.chip.char{min-width:var(--tap);border-radius:12px;justify-content:center;padding:0;font-size:1.2rem}.field{width:100%;min-height:52px;font:inherit;color:var(--text);background:var(--bg);border:2px solid var(--border);border-radius:12px;padding:0 14px;font-size:1.2rem}.field:focus{border-color:var(--primary);outline:none}.prompt{margin:.25rem 0 1rem;font-size:1.35rem;line-height:1.3}.badge{border-radius:99px;padding:4px 14px;font-weight:650;display:inline-block}.badge.ok{background:var(--ok-soft);color:var(--ok)}.badge.near{background:var(--near-soft);color:var(--near)}.badge.bad{background:var(--bad-soft);color:var(--bad)}.feedback-demo{flex-wrap:wrap;gap:8px;display:flex}.msg{margin:12px 0 0}.msg.ok{color:var(--ok)}.msg.bad{color:var(--bad)}.seg{border:1px solid var(--border);border-radius:12px;max-width:100%;display:inline-flex;overflow:hidden}.seg-btn{min-height:var(--tap);min-width:80px;font:inherit;color:var(--text);background:var(--surface);border:0;border-right:1px solid var(--border);cursor:pointer;padding:0 14px;font-weight:600}.seg-btn:last-child{border-right:0}.seg-btn[aria-checked=true]{background:var(--primary);color:var(--on-primary)}.stepper{align-items:center;gap:16px;display:flex}.stepper .btn{min-width:var(--tap);padding:0;font-size:1.4rem}.stepper output{text-align:center;min-width:9ch}.switch{width:56px;height:var(--tap);cursor:pointer;flex:none;place-items:center;display:grid;position:relative}.switch input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.slider{background:var(--border);border-radius:99px;width:52px;height:30px;transition:background .2s;position:relative}.slider:after{content:"";background:#fff;border-radius:50%;width:24px;height:24px;transition:transform .2s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0000004d}.switch input:checked+.slider{background:var(--primary)}.switch input:checked+.slider:after{transform:translate(22px)}.switch input:focus-visible+.slider{outline:3px solid var(--primary);outline-offset:2px}.sources{margin:0;padding-left:1.1rem}.sources li{margin-bottom:1rem}.sources p{overflow-wrap:anywhere;margin-bottom:.25rem}.start{flex-direction:column;flex:1;min-height:0;display:flex}.start-cta{flex:none;margin:12px 0 0}.app:has(.start){height:100dvh;min-height:0;overflow:hidden}.content:has(.start){min-height:0;padding-top:8px;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 10px);flex-direction:column;display:flex}.start .goal{flex:none;margin:0 0 8px}.btn.big.start-cta{margin:10px 0 0}.start-hint{border-color:color-mix(in srgb, var(--primary) 30%, var(--border));flex-wrap:wrap;flex:none;align-items:center;gap:6px 12px;margin:10px 0 0;padding:10px 44px 10px 14px;display:flex;position:relative}.start-hint p{flex:200px;margin:0;font-size:.9375rem;line-height:1.4}.start-hint .btn{min-height:36px}.start-hint-close{width:40px;height:40px;position:absolute;top:2px;right:2px}.sheet-placement{margin-top:0}.sheet-placement-note{text-align:center;margin:0}.placement-lists{text-align:left;max-width:420px;margin:0 auto}.placement-list{margin:0 0 8px;padding:0;list-style:none}.placement-list li{border-top:1px solid var(--border);align-items:center;gap:8px;padding:8px 0;display:flex}.placement-list.done li{color:var(--primary);font-weight:600}.map-scroll{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;flex:1;min-height:0;margin:0 -16px;overflow:auto}.map-scroll::-webkit-scrollbar{display:none}.map-svg{width:900px;max-width:none;height:auto;display:block}@media (width>=900px) and (orientation:landscape){.app:has(.start){grid-template-rows:auto minmax(0,1fr)}.content:has(.start){max-width:1080px;padding-bottom:20px}.app:has(.start){overflow:visible}.map-scroll{margin:0;overflow:visible}.map-svg{width:100%;height:100%}.btn.start-cta{align-self:center;width:min(100%,420px)}}.map-land{fill:var(--land);stroke:var(--coast);stroke-width:2px;stroke-linejoin:round}.map-route{fill:none;stroke:var(--primary);stroke-width:3px;stroke-dasharray:9 9;stroke-linecap:round;opacity:.55}.map-symbol{color:var(--primary);opacity:.55}.map-symbol.accent{color:var(--flag-red);opacity:.6}.city{cursor:pointer;outline:none}.city-hit{fill:#0000}.city-bg{fill:var(--surface);stroke:none;filter:drop-shadow(0 1px 2px #0228502e)}.city .seg{fill:none;stroke:var(--ring-todo);stroke-linecap:round}.city .seg.done{stroke:var(--primary)}.city-num{fill:var(--muted);text-anchor:middle;pointer-events:none;font-size:17px;font-weight:700}.city-check{fill:none;stroke:var(--primary);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:round}.city-label{fill:var(--text);paint-order:stroke;stroke:var(--halo);stroke-width:5px;stroke-linejoin:round;pointer-events:none;font-size:21px;font-weight:650}.city-sub{fill:var(--muted);font-size:16px;font-weight:500}.city:hover .city-bg,.city:focus-visible .city-bg{stroke:var(--primary);stroke-width:2px}.city:focus-visible .city-hit{stroke:var(--primary);stroke-width:3px;stroke-dasharray:4 4}.city.next .city-num{fill:var(--primary)}.city-flag path:first-child{stroke:var(--text);stroke-width:2.5px;stroke-linecap:round;fill:none}.city-flag path:last-child{fill:var(--flag-red);stroke:var(--flag-red);stroke-width:2px;stroke-linejoin:round}.city-pulse{fill:none;stroke:var(--primary);stroke-width:3px;opacity:0;transform-box:fill-box;transform-origin:50%;animation:2.4s ease-out infinite pulse}@keyframes pulse{0%{opacity:.55;transform:scale(1)}70%,to{opacity:0;transform:scale(1.7)}}.sheet{width:100%;max-width:520px;max-height:85dvh;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:20px 20px 0 0;margin:auto auto 0;padding:0;box-shadow:0 -8px 30px #021e3c2e}.sheet::backdrop{background:#05142859}.sheet-body{padding:18px 18px calc(18px + env(safe-area-inset-bottom))}.sheet-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.sheet-head h2{margin:0 0 4px;font-size:1.35rem}.sheet-city{text-transform:uppercase;letter-spacing:.08em;margin:0}.lessons{margin:8px 0 12px;padding:0;list-style:none}.lesson{border-top:1px solid var(--border);align-items:center;gap:12px;padding:10px 0;display:flex}.lesson-mark{border:2px solid var(--primary-soft);width:30px;height:30px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-size:.875rem;font-weight:700;display:grid}.lesson.done .lesson-mark{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}@media (width>=800px){.sheet{border-radius:20px;margin:auto}}.link-btn{min-height:var(--tap);font:inherit;color:var(--muted);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;align-items:center;padding:0 8px;font-size:.9375rem;text-decoration:underline;display:inline-flex}.link-btn:hover{color:var(--primary)}.session{flex-direction:column;min-height:100dvh;display:flex}.session-bar{z-index:10;min-height:calc(52px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 12px 0;background:color-mix(in srgb, var(--bg) 92%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);align-items:center;gap:10px;display:flex;position:sticky;top:0}.session-progress{background:var(--primary-soft);border-radius:99px;flex:1;height:8px;overflow:hidden}.session-progress>span{background:var(--primary);border-radius:99px;height:100%;transition:width .4s;display:block}.session-count{text-align:right;font-variant-numeric:tabular-nums;min-width:3.5em}.session-main{width:100%;max-width:640px;padding:8px 16px calc(28px + env(safe-area-inset-bottom));flex:1;margin:0 auto}.session-title{text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px;font-size:.75rem}.session-loading{text-align:center;padding:48px 8px}.session-loading .bar{max-width:320px;margin:12px auto 0}.session-loading .stall{margin-top:20px}.session-loading .db-blocked{max-width:420px;margin-left:auto;margin-right:auto}.db-blocked-banner{border-color:var(--near);background:var(--near-soft);padding:12px 16px}.gap-hint-detail{font-style:italic}.btn-row.center{justify-content:center}.toast-host{z-index:50;padding:calc(env(safe-area-inset-top) + 8px) 16px 0;pointer-events:none;justify-content:center;display:flex;position:fixed;top:0;left:0;right:0}.toast{border-radius:var(--radius);align-items:center;gap:10px;width:100%;max-width:520px;padding:12px 16px;font-weight:600;animation:.25s ease-out toast-in,.4s ease-in 4.6s forwards toast-out;display:flex;box-shadow:0 6px 24px #021e3c38}.toast svg{flex:none}.toast.ok{background:var(--ok-soft);color:var(--ok);border:1px solid color-mix(in srgb, var(--ok) 45%, transparent)}.toast.bad{background:var(--bad-soft);color:var(--bad);border:1px solid color-mix(in srgb, var(--bad) 45%, transparent)}@keyframes toast-in{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:none}}@keyframes toast-out{to{opacity:0;transform:translateY(-16px)}}.stepper .btn:active:not(:disabled){background:var(--primary-soft);transform:scale(.92)}.goal-value{min-width:2ch;display:inline-block}.goal-value.pop{color:var(--primary);animation:.25s ease-out goal-pop}@keyframes goal-pop{0%{transform:scale(1.35)}to{transform:scale(1)}}@media (prefers-reduced-motion:reduce){.toast,.goal-value.pop{animation:none}}.session-empty h2{margin-top:4px}.retry-note{background:var(--primary-soft);color:var(--primary);border-radius:99px;margin:0 0 8px;padding:2px 10px;font-weight:600;display:inline-block}.ex-card{padding:18px 16px}.ex-head{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.ex-head .prompt{flex:1}.small-prompt{color:var(--muted);font-size:1.05rem;font-weight:600}.ex-actions{flex-direction:column;align-items:center;gap:2px;margin-top:4px;display:flex}.ex-write .field{margin-bottom:4px}.field.answered.ok,.gap-field.answered.ok{border-color:var(--ok);background:var(--ok-soft)}.field.answered.near,.gap-field.answered.near{border-color:var(--near);background:var(--near-soft)}.field.answered.bad,.gap-field.answered.bad{border-color:var(--bad);background:var(--bad-soft)}.ex-write .chars,.ex-gap .chars{margin-top:12px}.mc-options{gap:10px;display:grid}@media (width>=560px){.mc-options{grid-template-columns:1fr 1fr}}.mc-option{width:100%;min-height:56px;font:inherit;text-align:left;color:var(--text);background:var(--surface);border:2px solid var(--border);cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:10px 14px;font-size:1.1rem;transition:border-color .15s,background .15s;display:flex}.mc-option:hover:not([aria-disabled=true]){border-color:var(--primary);background:var(--primary-soft)}.mc-option[aria-disabled=true]{cursor:default}.mc-key{background:var(--surface-2);width:26px;height:26px;color:var(--muted);border-radius:8px;flex:none;place-items:center;font-size:.8125rem;font-weight:700;display:grid}.mc-option.ok{border-color:var(--ok);background:var(--ok-soft)}.mc-option.ok .mc-key{background:var(--ok);color:var(--surface)}.mc-option.bad{border-color:var(--bad);background:var(--bad-soft)}.mc-option.bad .mc-key{background:var(--bad);color:var(--surface)}.mc-option.dim{opacity:.55}.match-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.match-col{flex-direction:column;gap:10px;display:flex}.match-item{min-height:52px;font:inherit;color:var(--text);background:var(--surface);border:2px solid var(--border);cursor:pointer;overflow-wrap:anywhere;border-radius:12px;padding:8px 10px;font-size:1rem;line-height:1.25;transition:border-color .15s,background .15s,transform .15s}.match-item:hover:not(:disabled){border-color:var(--primary)}.match-item.selected{border-color:var(--primary);background:var(--primary-soft);transform:scale(1.02)}.match-item.ok,.match-item:disabled{border-color:var(--ok);background:var(--ok-soft);color:var(--ok);cursor:default;font-weight:600}.match-item.bad{border-color:var(--bad);background:var(--bad-soft);color:var(--bad);animation:.35s shake}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.gap-sentence{margin:6px 0 4px;font-size:1.3rem;line-height:2.4}.gap-slot{white-space:nowrap;align-items:baseline;gap:6px;margin:0 4px;display:inline-flex}.gap-field{max-width:70vw;min-height:44px;font:inherit;text-align:center;color:var(--text);background:var(--bg);border:2px solid var(--border);border-radius:10px;padding:0 10px;font-size:1.2rem}.gap-field:focus{border-color:var(--primary);outline:none}.gap-hint{color:var(--muted);font-size:.95rem}.gap-hint.de{font-style:italic}.gap-translation{margin:4px 0 0}.ex-table-grid th[scope=row]{vertical-align:middle;padding-left:0}.ex-table-grid td{vertical-align:middle;padding:5px 4px}.ex-table-grid td.table-given{padding-left:12px;font-weight:650}.table-cell{min-width:0}.table-field{width:100%;min-width:0;min-height:44px;font:inherit;color:var(--text);background:var(--bg);border:2px solid var(--border);border-radius:10px;padding:0 8px;font-size:1.05rem}.table-field:focus{border-color:var(--primary);outline:none}.table-field.answered.ok{border-color:var(--ok);background:var(--ok-soft)}.table-field.answered.near{border-color:var(--near);background:var(--near-soft)}.table-field.answered.bad{border-color:var(--bad);background:var(--bad-soft)}.table-solution{color:var(--ok);margin-top:2px;padding-left:4px;font-size:.875rem;font-weight:650;display:block}.table-score{margin:0 0 4px}.ex-table .chars{margin-top:4px}.build-translation{margin:-6px 0 12px;font-size:1.1rem}.translation-toggle{min-height:36px;color:var(--muted);text-underline-offset:3px;margin:0 0 6px;padding:0 4px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.build-line{border:2px dashed var(--border);background:var(--bg);border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px;min-height:64px;padding:8px;display:flex}.build-line.answered{border-style:solid}.build-line.answered.ok{border-color:var(--ok);background:var(--ok-soft)}.build-line.answered.near{border-color:var(--near);background:var(--near-soft)}.build-line.answered.bad{border-color:var(--bad);background:var(--bad-soft)}.build-placeholder{padding:0 6px}.build-pool{flex-wrap:wrap;gap:8px;margin:14px 0 12px;display:flex}.build-tile{min-height:var(--tap);font:inherit;color:var(--text);background:var(--surface);border:2px solid var(--border);cursor:pointer;border-radius:10px;padding:0 14px;font-size:1.1rem;transition:border-color .15s,background .15s,opacity .15s}.build-tile:hover:not(:disabled){border-color:var(--primary);background:var(--primary-soft)}.build-tile.placed{border-color:var(--primary)}.build-tile.placed:disabled{cursor:default;background:0 0;border-color:#0000;padding:0 4px}.build-pool .build-tile:disabled{visibility:hidden}.tr-source{flex:1;margin:0 0 12px;font-size:1.25rem;font-weight:600;line-height:1.4}.self-grade{margin-top:12px}.self-grade p{margin:0 0 6px}.self-grade-btns{flex-wrap:wrap;gap:8px;display:flex}.self-grade-btns .btn[aria-pressed=true].self-ok{background:var(--ok);border-color:var(--ok);color:var(--surface)}.self-grade-btns .btn[aria-pressed=true].self-near{background:var(--near);border-color:var(--near);color:var(--surface)}.self-grade-btns .btn[aria-pressed=true].self-bad{background:var(--bad);border-color:var(--bad);color:var(--surface)}.feedback{border-radius:var(--radius);background:var(--surface);border:2px solid var(--border);box-shadow:var(--shadow);margin:0 0 14px;padding:16px;animation:.25s ease-out fb-in}@keyframes fb-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.feedback.ok{border-color:color-mix(in srgb, var(--ok) 55%, var(--border));background:color-mix(in srgb, var(--ok-soft) 55%, var(--surface))}.feedback.near{border-color:color-mix(in srgb, var(--near) 55%, var(--border));background:color-mix(in srgb, var(--near-soft) 55%, var(--surface))}.feedback.bad{border-color:color-mix(in srgb, var(--bad) 55%, var(--border));background:color-mix(in srgb, var(--bad-soft) 55%, var(--surface))}.fb-head{align-items:center;gap:10px;display:flex}.fb-icon{width:34px;height:34px;color:var(--surface);border-radius:50%;flex:none;place-items:center;display:grid}.feedback.ok .fb-icon{background:var(--ok)}.feedback.near .fb-icon{background:var(--near)}.feedback.bad .fb-icon{background:var(--bad)}.fb-title{flex:1;margin:0;font-size:1.35rem}.feedback.ok .fb-title{color:var(--ok)}.feedback.near .fb-title{color:var(--near)}.feedback.bad .fb-title{color:var(--bad)}.fb-hint{color:var(--near);margin:8px 0 0;font-weight:600}.fb-solution,.fb-diff,.fb-explanation{margin:10px 0 0}.fb-solution strong{font-size:1.15rem}.diff{overflow-wrap:anywhere;font-size:1.1rem}.diff-accent{-webkit-text-decoration:underline wavy var(--near);text-decoration:underline wavy var(--near);text-underline-offset:4px;color:var(--near);font-weight:650;text-decoration-thickness:2px}.diff-missing{color:var(--ok);background:var(--ok-soft);border-radius:4px;padding:0 1px;font-weight:650;text-decoration:none}.diff-extra{color:var(--bad);text-decoration:line-through;text-decoration-thickness:2px}.fb-tools{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.fb-tools:empty{display:none}.btn.override{color:var(--ok);border-color:color-mix(in srgb, var(--ok) 45%, var(--border))}.fb-more{margin-top:8px}.fb-more>.btn{text-align:left;justify-content:flex-start;width:100%;padding:6px 12px}.fb-more .chev{flex:none;margin-left:auto;transition:transform .2s}.fb-more>.btn>svg:first-child{flex:none}.fb-more .chev.open{transform:rotate(180deg)}.fb-box{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-top:10px;padding:12px}.fb-next{margin-top:16px}.word-help{margin:0 0 8px}.word-help:last-child{margin:10px 0 0}.word-chips{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.word-chip{max-width:100%;min-height:48px;font:inherit;text-align:left;color:var(--text);background:var(--surface);border:2px solid var(--border);cursor:pointer;overflow-wrap:anywhere;border-radius:999px;align-items:center;gap:8px;padding:6px 14px;display:inline-flex}.word-chip svg{color:var(--primary);flex:none}.word-chip:hover{background:var(--surface-2)}.word-chip.on{background:var(--primary-soft);border-color:var(--primary)}.word-chip.on strong{color:var(--primary-strong)}.word-chip:disabled{opacity:.7;cursor:progress}.word-chip.off{color:var(--muted);background:var(--surface-2);cursor:default;border-style:dashed}.word-de{color:var(--muted)}.bookmark-list{margin-top:8px}.bookmark-list li{justify-content:space-between;align-items:center;gap:10px;display:flex}.bookmark-list .btn{min-width:var(--tap);flex:none}.bookmarks{margin:4px 0 8px}.bookmark-toggle{min-height:var(--tap);font:inherit;color:var(--text);cursor:pointer;background:0 0;border:0;padding:0}.bookmark-toggle:disabled{cursor:default}.bookmark-toggle .chev{color:var(--muted);transition:transform .2s}.bookmark-toggle .chev.open{transform:rotate(180deg)}.pair-list{margin:6px 0 0;padding-left:1.1rem}.md h3{margin:.75rem 0 .4rem;font-size:1.1rem}.md h4{margin:.75rem 0 .3rem;font-size:1rem}.md>:first-child{margin-top:0}.md p,.md ul,.md ol{margin:0 0 .6rem}.md ul,.md ol{padding-left:1.2rem}.md code{background:var(--surface-2);border-radius:4px;padding:0 4px;font-size:.9em}.md-table-wrap{margin:0 0 .75rem;overflow-x:auto}.md-table{border-collapse:collapse;width:100%;font-size:.9375rem}.md-table th,.md-table td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:6px 8px}.md-table thead th{color:var(--muted);font-size:.8125rem;font-weight:650}.md-table caption{text-align:left;padding:4px 0 6px;font-size:.875rem;font-weight:650}.inflection-head{margin:0 0 8px}.inflection-head strong{font-size:1.15rem}.infl-table td{font-size:1rem}.infl-table th[scope=row]{white-space:nowrap;font-weight:600}.th-sub{color:var(--muted);font-size:.75rem;font-weight:400;display:block}.infl-table td.hl,.form-list .hl{background:var(--primary-soft);color:var(--primary-strong);font-weight:700}.form-list{gap:2px;margin:0;display:grid}.form-list>div{border-bottom:1px solid var(--border);border-radius:6px;justify-content:space-between;gap:12px;padding:5px 8px;display:flex}.form-list dt{color:var(--muted);font-size:.875rem}.form-list dd{text-align:right;margin:0;font-weight:600}.summary{text-align:center;padding:24px 4px 8px}.summary h1{outline:none;margin-top:8px}.success-mark{width:88px;height:88px;margin:8px auto 0;position:relative}.sm-ring{fill:var(--ok-soft);stroke:var(--ok);stroke-width:4px;stroke-dasharray:176;stroke-dashoffset:176px;animation:.7s ease-out forwards draw}.sm-check{fill:none;stroke:var(--ok);stroke-width:5px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:40;stroke-dashoffset:40px;animation:.4s ease-out .55s forwards draw}@keyframes draw{to{stroke-dashoffset:0}}.sm-spark{background:var(--primary);opacity:0;border-radius:50%;width:8px;height:8px;margin:-4px;animation:.8s ease-out .7s forwards spark;position:absolute;top:50%;left:50%}.sm-spark.s1{--dx:52px;--dy:-34px}.sm-spark.s2{background:var(--flag-red);--dx:-52px;--dy:-30px}.sm-spark.s3{background:var(--ok);--dx:-46px;--dy:38px}.sm-spark.s4{background:var(--near);--dx:50px;--dy:36px}@keyframes spark{0%{opacity:.9;transform:translate(0)scale(.6)}to{opacity:0;transform:translate(var(--dx), var(--dy)) scale(1)}}.summary-stats{grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 12px;display:grid}.summary-stats>div{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 6px}.summary-stats dt{color:var(--muted);font-size:.8125rem}.summary-stats dd{margin:0;font-size:1.8rem;font-weight:700;line-height:1.2}.summary-stats .ok dd{color:var(--ok)}.summary-stats .near dd{color:var(--near)}.summary-stats .bad dd{color:var(--bad)}.summary-actions{margin-top:18px}.lesson-title{flex-direction:column;flex:1;line-height:1.3;display:flex}.lesson-state{color:var(--primary);font-weight:600}.lesson.begonnen .lesson-mark,.lesson.offen .lesson-mark{border-color:var(--primary);color:var(--primary)}.lesson.gesperrt{color:var(--muted)}.lesson.gesperrt .lesson-mark{border-style:dashed}.lesson.abgeschlossen .lesson-mark{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.lesson-again{min-height:36px;padding:0 10px;font-size:.875rem}.sheet-done{color:var(--primary);align-items:center;gap:8px;font-weight:600;display:flex}.topic-list .card{margin-bottom:10px;padding:12px 14px 12px 18px}.cat-item .cat-text{flex:1}li.cat-item{cursor:default}li.cat-item:hover{border-color:var(--border)}.cat-go{flex:none}.weak-link{margin-top:4px}.feature-group{border:0;margin:0 0 12px;padding:0}.feature-group legend{margin-bottom:6px;padding:0}a.btn.big.spaced{display:flex}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.sm-ring,.sm-check{stroke-dashoffset:0}.sm-spark{display:none}}.streak{color:var(--accent);align-items:center;gap:3px;margin-right:auto;display:inline-flex}.streak svg{align-self:center;width:15px;height:15px}.streak strong{color:var(--accent)}.goal-text{white-space:nowrap}.stat-sub{font-size:.8125rem}.stat-levels{gap:8px;margin-top:4px;display:grid}.stat-level{grid-template-columns:4.5rem 1fr 2.5rem;align-items:center;gap:10px;display:grid}.stat-level .bar{margin:0}.stat-level .num{text-align:right;font-variant-numeric:tabular-nums}.stat-empty{text-align:center}.stat-weak{gap:8px;margin-bottom:14px;display:grid}.stat-weak li{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.sent-actions{margin-top:10px}.sent-box{gap:10px;display:grid}.sent-h{margin:0}.sent-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.sent-list li{justify-content:space-between;align-items:center;gap:8px;display:flex}.sent-add{grid-template-columns:1fr auto;align-items:center;gap:8px;display:grid}.sent-note{margin:0}.linklike{color:var(--primary);font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;padding:0;text-decoration:underline;display:inline-flex}.icon-btn{border:1px solid var(--border);background:var(--surface);min-width:40px;min-height:40px;color:inherit;cursor:pointer;border-radius:10px;flex:none;justify-content:center;align-items:center;display:inline-flex}.hidden-sentences{gap:12px;margin:10px 0 0;padding:0;list-style:none;display:grid}.hidden-sentences li{gap:4px;display:grid}.own-lists{margin:4px 0 0;padding:0;list-style:none}.own-lists>li{border-top:1px solid var(--border);align-items:center;gap:10px;padding:8px 0;display:flex}.own-list-link{min-width:0;min-height:var(--tap);color:var(--text);flex:1;align-items:center;gap:10px;text-decoration:none;display:flex}.own-list-link>svg{color:var(--primary);flex:none}.own-list-text{flex-direction:column;gap:3px;min-width:0;display:flex}.own-list-text strong{overflow-wrap:anywhere}.own-list-link:hover strong{color:var(--primary)}.own-list-link>.own-list-chevron{color:var(--muted);flex:none;margin-left:auto}.own-lists .btn{flex:none}.mini-parts{gap:3px;max-width:160px;display:flex}.mini-parts>span{background:var(--ring-todo);border-radius:99px;flex:1 1 0;height:6px;overflow:hidden}.mini-parts>span>span{background:var(--primary);border-radius:99px;height:100%;display:block}.list-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.back-link{min-height:var(--tap);color:var(--muted);align-items:center;gap:4px;font-size:.9375rem;text-decoration:none;display:inline-flex}.back-link:hover{color:var(--primary)}.page-actions{margin:0 0 16px}.form-grid{gap:10px;display:grid}.form-grid label{gap:4px;font-size:.9375rem;font-weight:600;display:grid}.form-grid .field{width:100%;font-weight:400}.form-grid .chars{margin:0}select.field{appearance:auto}.row>.field.compact{width:auto}.form-grid label>.muted{font-weight:400}.field.compact{min-height:40px;padding:6px 10px;font-size:.9375rem}.choice-list{gap:8px;margin:8px 0 0;padding:0;list-style:none;display:grid}.choice{border:1px solid var(--border);cursor:pointer;background:var(--surface);border-radius:12px;align-items:flex-start;gap:10px;padding:10px 12px;display:flex}.choice input{width:20px;height:20px;accent-color:var(--primary);flex:none;margin-top:2px}.choice:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}.choice-text{flex-direction:column;gap:2px;min-width:0;display:flex}.tag{background:var(--surface-2);color:var(--muted);white-space:nowrap;border-radius:99px;padding:1px 8px;font-size:.75rem;font-weight:650;display:inline-block}.tag.known,.tag.state-training{background:var(--primary-soft);color:var(--primary-strong)}.tag.state-sicher{background:var(--ok-soft);color:var(--ok)}.tag.state-pausiert{background:var(--near-soft);color:var(--near)}.form-msg{margin:10px 0 0}.form-msg.ok{color:var(--ok)}.form-msg.bad{color:var(--bad)}.confirm-box{border:1px solid color-mix(in srgb, var(--bad) 40%, var(--border));background:var(--bad-soft);border-radius:12px;margin-top:12px;padding:12px}.confirm-box p{margin:0 0 8px}.radio-row{align-items:flex-start;gap:8px;margin:6px 0;font-size:.9375rem;display:flex}.radio-row input{width:20px;height:20px;accent-color:var(--primary);flex:none;margin:1px 0 0}.btn.danger{color:var(--bad);border-color:color-mix(in srgb, var(--bad) 45%, var(--border))}.btn.danger.solid{background:var(--bad);border-color:var(--bad);color:var(--surface)}.list-summary{align-items:center;gap:14px;margin:0 0 12px;display:flex}.list-summary p{margin:0}.parts{gap:10px;margin:0;padding:0;list-style:none;display:grid}.part{padding:12px 14px}.part-head{align-items:center;gap:12px;display:flex}.part-title{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.part-ring{flex:none}.part-ring .seg{fill:none;stroke:var(--ring-todo);stroke-width:5px;stroke-linecap:round}.part-ring .seg.training{stroke:color-mix(in srgb, var(--primary) 45%, var(--ring-todo))}.part-ring .seg.sicher{stroke:var(--primary)}.part-ring .seg.pausiert{stroke:var(--near);opacity:.6}.part-toggle{min-height:36px;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;padding:0 4px;font-size:.875rem;display:inline-flex}.part-toggle .chev{transition:transform .2s}.part-toggle .chev.open{transform:rotate(180deg)}.entries{margin:6px 0 0;padding:0;list-style:none}.entries>li{border-top:1px solid var(--border);padding:8px 0}.entry-row{align-items:center;gap:8px;display:flex}.entry-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.entry-text strong,.entry-text .muted{overflow-wrap:anywhere}.entry-row .btn{flex:none;min-width:40px;padding:0 8px}.entry-edit{margin-top:8px}.file-btn{position:relative;overflow:hidden}.file-btn input{opacity:0;cursor:pointer;position:absolute;inset:0}.import-info{margin:12px 0 8px}.import-errors{color:var(--bad);margin:6px 0 10px;padding-left:1.1rem;font-size:.875rem}.import-table{border-collapse:collapse;width:100%;margin-top:8px;font-size:.9375rem}.import-table th{text-align:left;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:4px;font-size:.75rem;font-weight:650}.import-table td{border-top:1px solid var(--border);vertical-align:top;padding:8px 4px}.import-table td:first-child{width:32px}.import-table td:last-child{width:108px}.import-table td:last-child .field.compact{padding:4px 2px;font-size:.875rem}.import-table input[type=checkbox]{width:20px;height:20px;accent-color:var(--primary);margin:2px 0 0}.import-table .field.compact{width:100%;min-height:36px;padding:4px 6px}.import-table tr.skip td:nth-child(2)>strong,.import-table tr.abgewaehlt td:nth-child(2)>strong{color:var(--muted);text-decoration:line-through}.row-state{color:var(--muted);margin-top:4px;font-size:.8125rem;display:block}.row-state.ok{color:var(--ok)}.row-state.warn{color:var(--near)}.row-state.bad{color:var(--bad)}.row-state .field{margin-top:4px}.row-state .link-btn{font-size:.8125rem}.import-foot{bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));z-index:5;background:var(--surface);border-top:1px solid var(--border);margin:12px -4px 0;padding:10px 4px;position:sticky}@media (width>=800px){.import-foot{bottom:0}}.import-foot p{margin:0 0 8px}.import-foot .btn-row{flex-wrap:nowrap}.import-foot .btn{white-space:nowrap;min-height:44px;padding:0 14px}.fb-note{background:var(--surface);border:1px dashed var(--border);overflow-wrap:anywhere;border-radius:10px;margin:10px 0 0;padding:8px 10px}