:root{--bg:#f7f5f0;--surface:#fff;--surface-2:#efece4;--text:#1f2421;--muted:#6b716d;--line:#dedad0;--accent:#1f5fd6;--accent-soft:#e1ebfd;--again:#c0392b;--hard:#d68910;--good:#2f8a5e;--good-soft:#dcf1e6;--easy:#2e6fb5;--g-en:#2e6fb5;--g-ei:#b5367a;--g-et:#6d7b1f;--radius:14px;--shadow:0 1px 2px #0000000f, 0 4px 16px #0000000d;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#151816;--surface:#1e2320;--surface-2:#272d29;--text:#e8ebe8;--muted:#98a09b;--line:#333a36;--accent:#7aa7ff;--accent-soft:#1d2a45;--again:#ef6f61;--hard:#f0b44c;--good:#6cc1a6;--good-soft:#1f3a30;--easy:#71a9ea;--g-en:#71a9ea;--g-ei:#eb82bb;--g-et:#b7c85a;--shadow:none;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);margin:0;font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app{max-width:720px;margin:0 auto;padding:0 16px 48px}a{color:var(--accent)}h2{margin:20px 0 12px;font-size:1.35rem}h3{margin:24px 0 8px;font-size:1.05rem}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--again)}header{border-bottom:1px solid var(--line);background:var(--bg);z-index:5;align-items:center;gap:12px;padding:12px 0;display:flex;position:sticky;top:0}.brand{color:var(--accent);letter-spacing:.02em;align-items:center;gap:6px;font-weight:800;display:flex}.brand img{width:26px;height:26px}nav{flex:1;gap:4px;display:flex;overflow-x:auto}nav a{color:var(--muted);white-space:nowrap;border-radius:999px;padding:6px 10px;font-size:.95rem;text-decoration:none}nav a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}.sync{color:var(--muted);background:0 0;border:0;min-width:32px;padding:6px;font-size:.85rem}.sync.error,.sync.auth{color:var(--again)}.sync.syncing{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=480px){.brand{display:none}}button,input,select,textarea{font:inherit;color:inherit}button{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:10px;min-height:44px;padding:10px 14px}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}@media (prefers-color-scheme:dark){button.primary{color:#0f1a16}}button.ghost{background:0 0}button.danger{color:var(--again)}button.icon{background:0 0;border:0;min-height:0;padding:4px 6px;font-size:1rem}button.wide{width:100%}input[type=text],input[type=search],input[type=password],input[type=email],input[type=number],select,textarea{border:1px solid var(--line);background:var(--surface);border-radius:10px;width:100%;min-height:44px;padding:10px 12px}textarea{resize:vertical}input:focus,select:focus,textarea:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}input.right{border-color:var(--good);background:var(--good-soft)}input.wrong{border-color:var(--again)}.row{align-items:stretch;gap:8px;margin:8px 0;display:flex}.row>input,.row>select{flex:1;min-width:0}.row.wrap{flex-wrap:wrap}.field{flex:1;margin:12px 0;display:block}.field>span{color:var(--muted);margin-bottom:4px;font-size:.85rem;display:block}.field.inline{align-items:center;gap:8px;display:flex}.field.inline>span{color:var(--text);margin:0;font-size:1rem}.toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom));background:var(--text);color:var(--bg);z-index:100;border-radius:10px;max-width:calc(100% - 32px);padding:10px 16px;transition:opacity .3s;position:fixed;transform:translate(-50%)}.toast.error{background:var(--again);color:#fff}.toast.hide{opacity:0}.stats{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:16px;display:grid}.stat{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;padding:12px}.stat b{font-size:1.5rem;display:block}.stat span{color:var(--muted);font-size:.8rem}.stat.accent{background:var(--accent-soft);color:var(--accent)}@media (width<=480px){.stats{grid-template-columns:repeat(2,1fr)}}.modes{grid-template-columns:1fr 1fr;gap:10px;display:grid}@media (width<=560px){.modes{grid-template-columns:1fr}}.mode{text-align:left;border-radius:var(--radius);box-shadow:var(--shadow);align-items:flex-start;gap:12px;padding:14px;display:flex}.mode.main{background:var(--accent-soft);border-color:var(--accent);grid-column:1/-1}.mode-icon{font-size:1.6rem;line-height:1}.mode-text b{margin-bottom:2px;display:block}.mode-text span{color:var(--muted);font-size:.85rem}.cards{margin:0;padding:0;list-style:none}.cards li{border-bottom:1px solid var(--line);cursor:pointer;justify-content:space-between;gap:12px;padding:10px 4px;display:flex}.cards .meta{text-align:right;flex-direction:column;gap:2px;display:flex}.state{background:var(--surface-2);border-radius:999px;align-self:flex-end;padding:2px 8px;font-size:.8rem}.state.new{background:var(--accent-soft);color:var(--accent)}.badge{color:#fff;vertical-align:middle;border-radius:6px;padding:1px 6px;font-size:.75rem;font-weight:700}.g-en{--g:var(--g-en)}.g-ei{--g:var(--g-ei)}.g-et{--g:var(--g-et)}.badge.g-en,.badge.g-ei,.badge.g-et{background:var(--g)}.editor{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.img-edit{flex-direction:column;align-items:center;gap:8px;display:flex}.img-empty{background:var(--surface-2);width:100%;height:120px;color:var(--muted);border-radius:10px;place-items:center;display:grid}.seg{gap:4px;display:flex}.seg button{flex:1}.seg button.on{background:var(--g);border-color:var(--g);color:#fff;font-weight:700}.example-edit{grid-template-columns:1fr 1fr auto;align-items:start;gap:6px;margin-bottom:6px;display:grid}@media (width<=560px){.example-edit{grid-template-columns:1fr auto}.example-edit textarea:nth-child(2){grid-column:1}.example-edit button{grid-area:1/2}}.actions{flex-wrap:wrap;margin-top:16px}.danger-zone{border-top:1px solid var(--line);justify-content:flex-end;margin-top:16px;padding-top:8px}.batch{margin-top:24px}.batch summary{cursor:pointer;padding:8px 0;font-weight:600}.batch textarea{margin-bottom:8px}.batch-log{padding-left:18px;font-size:.9rem}dialog.sheet{border-radius:var(--radius);background:var(--bg);color:var(--text);border:0;width:min(640px,100% - 16px);max-height:90vh;padding:16px}dialog::backdrop{background:#00000073}.img-grid{grid-template-columns:repeat(4,1fr);gap:6px;min-height:120px;margin:8px 0;display:grid}@media (width<=480px){.img-grid{grid-template-columns:repeat(2,1fr)}}.img-option{aspect-ratio:4/3;border-radius:10px;padding:0;overflow:hidden}.img-option img{object-fit:cover;width:100%;height:100%;display:block}.img-option.loading{opacity:.4}body.studying #app{padding-top:8px}.study-head{align-items:center;gap:8px;padding:8px 0;display:flex}.study-title{flex:1;font-weight:700}.study-body{flex-direction:column;gap:12px;display:flex}.flashcard{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);min-height:180px;padding:20px 16px;display:flex}.face{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:6px;width:100%;display:flex}.face.full{justify-content:flex-start}.big{font-size:1.9rem;font-weight:700;line-height:1.2}.card-img{object-fit:cover;border-radius:10px;max-width:100%;max-height:220px}.translation{color:var(--accent);font-size:1.25rem;font-weight:600}.forms{color:var(--muted);font-size:.95rem}.note{background:var(--surface-2);border-radius:8px;padding:6px 10px;font-size:.9rem}.examples{text-align:left;width:100%;margin:8px 0 0;padding:0;list-style:none}.examples li{border-top:1px solid var(--line);padding:8px 0}.examples .muted{font-size:.9rem}.grades{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.grade{flex-direction:column;align-items:center;padding:8px 4px;display:flex}.grade b{font-size:.9rem}.grade span{color:var(--muted);font-size:.75rem}.grade.again{border-color:var(--again);color:var(--again)}.grade.hard{border-color:var(--hard);color:var(--hard)}.grade.good{border-color:var(--good);color:var(--good)}.grade.easy{border-color:var(--easy);color:var(--easy)}.options{grid-template-columns:1fr 1fr;gap:8px;display:grid}.options.row3{grid-template-columns:repeat(3,1fr)}@media (width<=480px){.options:not(.row3){grid-template-columns:1fr}}.option{text-align:left;align-items:center;gap:10px;min-height:52px;display:flex}.options.row3 .option{color:var(--g);justify-content:center;font-size:1.3rem;font-weight:700}.option .key{color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:0 5px;font-size:.75rem}@media (hover:none){.option .key{display:none}}.option.right,.option.right:disabled{background:var(--good-soft);border-color:var(--good);opacity:1}.option.wrong,.option.wrong:disabled{border-color:var(--again);color:var(--again);opacity:1}.option.sel{border-color:var(--accent);outline:2px solid var(--accent)}.answer-form{flex-wrap:wrap}.answer-form input{flex:100%}.answer-form button{flex:1}.reveal{flex-direction:column;gap:8px;display:flex}.mini{text-align:center;color:var(--muted)}.verdict{text-align:center;font-weight:700}.verdict.right{color:var(--good)}.verdict.wrong{color:var(--again)}.sentence{font-size:1.25rem}.blank{border-bottom:2px solid var(--accent);color:#0000;letter-spacing:.1em}.hint{color:var(--muted);margin-top:6px;font-size:.9rem}.play{border-radius:50%;width:96px;height:96px;font-size:2.5rem}.match{grid-template-columns:1fr 1fr;gap:8px;display:grid}.match-col{flex-direction:column;gap:8px;display:flex}.match .option{text-align:center;justify-content:center}.match .option.right{opacity:.35}.summary{text-align:center;padding:24px 0}.summary .big{color:var(--accent);font-size:3rem}.summary .row{justify-content:center}.word-list{text-align:left;padding:0;list-style:none}.word-list li{border-bottom:1px solid var(--line);padding:6px 0}.login{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;max-width:360px;min-height:calc(100vh - 48px);margin:0 auto;padding:32px 0;display:flex}.login h1{letter-spacing:.01em;margin:4px 0 0;font-size:2rem}.login-logo{object-fit:contain;filter:drop-shadow(0 10px 18px #1f5fd640);width:112px;height:112px}.login-sub{color:var(--muted);margin:0 0 8px;font-size:1.05rem}.login-points{text-align:left;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:10px;width:100%;margin:8px 0 16px;padding:16px;list-style:none;display:flex}.login-points li{align-items:flex-start;gap:10px;display:flex}.login-points span{text-align:center;flex:none;width:1.4em}.gsi{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:0 0;justify-content:center;min-height:44px;display:flex}.gsi iframe{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body.bare #app{padding-bottom:16px}.account{align-items:center;gap:12px;margin:8px 0;display:flex}.account img{border-radius:50%;width:40px;height:40px}.people li{cursor:default;align-items:center}.login .error:empty{display:none}