:root{font-family:Inter,ui-rounded,SF Pro Rounded,Apple SD Gothic Neo,system-ui,sans-serif;color:#292c2a;background:#eee8dc;font-synthesis:none;--paper:#f8f4ec;--ink:#292c2a;--muted:#79786f;--line:#ded6c8;--clay:#b6654f;--sage:#758b73;--soft-sage:#e2e8de;--soft-clay:#f1dfd7}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}html,body,#root{margin:0;min-height:100%;background:var(--paper)}button,input,select{font:inherit;color:inherit}button{cursor:pointer}.app-shell{min-height:100dvh;padding:calc(22px + env(safe-area-inset-top)) max(22px,env(safe-area-inset-right)) calc(94px + env(safe-area-inset-bottom)) max(22px,env(safe-area-inset-left));max-width:980px;margin:auto}.topbar{display:flex;justify-content:space-between;align-items:center}.eyebrow{margin:0 0 2px;text-transform:uppercase;letter-spacing:.16em;font-size:10px;font-weight:700;color:var(--sage)}h1{font-family:Georgia,serif;font-size:38px;font-weight:500;margin:0;line-height:1}h1 span{color:var(--clay)}.header-actions{display:flex;align-items:center;gap:12px}.status{font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:center}.status i{width:7px;height:7px;border-radius:50%;background:var(--sage)}.status.offline i{background:var(--clay)}.icon-button{border:1px solid var(--line);background:#fff9;border-radius:50%;width:38px;height:38px;font-size:20px}.progress-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:32px 0 22px;padding:15px 0}.progress-row div{display:flex;flex-direction:column;padding:0 18px;border-left:1px solid var(--line)}.progress-row div:first-child{border:0;padding-left:0}.progress-row b{font-family:Georgia,serif;font-size:23px;font-weight:500}.progress-row span{font-size:11px;color:var(--muted)}.practice-card{min-height:480px;border:1px solid var(--line);border-radius:24px;background:#fffdf8;box-shadow:0 16px 44px #51452c0b;padding:24px;display:flex;flex-direction:column}.question-meta{display:flex;justify-content:space-between;text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:700;color:var(--muted)}.prompt-area{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:24px;padding:35px 12px}.main-prompt{font-family:Georgia,Apple SD Gothic Neo,serif;font-size:clamp(42px,8vw,72px);text-align:center}.sentence-prompt{font-size:clamp(24px,5vw,38px);line-height:1.5;text-align:center;word-break:keep-all}.swatch{width:110px;height:110px;border-radius:50%;box-shadow:inset 0 0 0 1px #0001,0 8px 30px #332a1d1a}.translation-toggle{align-self:center;border:0;background:none;color:var(--sage);font-size:13px;min-height:32px}.answer-area{max-width:620px;width:100%;margin:0 auto}.input-wrap{display:block}.input-wrap span{display:block;font-size:11px;color:var(--muted);margin:0 0 7px 3px}.input-wrap input{width:100%;height:58px;border:1px solid var(--line);border-radius:14px;background:#f9f6ef;padding:0 16px;font-size:20px;outline:none}.input-wrap input:focus{border-color:var(--sage);box-shadow:0 0 0 3px #758b7318}.primary{border:0;border-radius:12px;background:var(--ink);color:#fff;font-weight:650;padding:15px 20px}.primary:disabled{opacity:.35}.check{display:block;width:100%;margin-top:12px}.primary kbd{margin-left:9px;color:#bbb;font-size:10px}.choices{display:grid;gap:9px}.choices button{min-height:52px;border:1px solid var(--line);background:#f9f6ef;border-radius:12px;font-size:17px}.choices button:not(:disabled):hover{border-color:var(--sage)}.choices .right{background:var(--soft-sage);border-color:var(--sage)}.choices .wrong{background:var(--soft-clay);border-color:var(--clay)}.feedback{border-radius:14px;padding:13px 14px;display:flex;align-items:center;justify-content:space-between;margin-top:12px}.feedback>div{display:flex;flex-direction:column;gap:3px}.feedback span{font-size:13px}.feedback.correct{background:var(--soft-sage)}.feedback.incorrect{background:var(--soft-clay)}.tabs{position:fixed;z-index:4;left:50%;transform:translate(-50%);bottom:max(12px,env(safe-area-inset-bottom));width:min(520px,calc(100% - 24px));padding:7px;display:grid;grid-template-columns:repeat(4,1fr);background:#292c2aee;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:19px;box-shadow:0 12px 35px #0003}.tabs button{border:0;background:none;color:#aaa;padding:8px 3px;border-radius:13px;font-size:10px;display:flex;flex-direction:column;gap:3px;align-items:center}.tabs button span{font-size:18px}.tabs button.active{background:#ffffff18;color:#fff}.update-banner{position:fixed;z-index:8;top:max(12px,env(safe-area-inset-top));left:50%;transform:translate(-50%);background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 12px 40px #0002;padding:10px;display:flex;align-items:center;gap:8px;width:min(480px,calc(100% - 24px))}.update-banner div{flex:1;display:flex;flex-direction:column;font-size:12px}.update-banner div span{color:var(--muted)}.update-banner button{border:0;background:none;padding:10px;border-radius:9px}.update-banner .dark{background:var(--ink);color:#fff}.modal-backdrop{position:fixed;z-index:10;inset:0;background:#25231f66;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;justify-content:flex-end}.settings-panel{width:min(450px,100%);height:100%;overflow:auto;background:var(--paper);padding:calc(25px + env(safe-area-inset-top)) 24px calc(25px + env(safe-area-inset-bottom));box-shadow:-20px 0 60px #0002}.settings-panel header{display:flex;justify-content:space-between}.settings-panel h2{font-family:Georgia,serif;font-size:28px;font-weight:500;margin:0}.setting-group{padding:18px 0;border-bottom:1px solid var(--line)}.setting-group>label{display:block;font-size:12px;font-weight:700;margin-bottom:10px}.segment{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;padding:3px;border-radius:11px;background:#e9e3d8}.segment button{border:0;background:none;border-radius:8px;padding:9px 4px;font-size:12px}.segment button.selected{background:#fff;box-shadow:0 1px 5px #0001}.setting-group select{width:100%;margin-top:10px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px}.range{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;margin-top:8px}.range input{min-width:0;border:1px solid var(--line);border-radius:9px;padding:9px}.error{font-size:11px;color:var(--clay);margin:5px 0}.settings-panel footer{padding-top:20px;font-size:11px;color:var(--muted)}.settings-panel footer p{line-height:1.5}.loading{min-height:100dvh;display:grid;place-content:center;text-align:center;color:var(--muted)}.loading span{font-family:Georgia,serif;font-size:60px;color:var(--clay)}@media(max-width:600px){.app-shell{padding-left:14px;padding-right:14px}.status{font-size:0}.status i{width:9px;height:9px}.progress-row{margin:25px 0 14px}.progress-row div{padding:0 10px}.progress-row b{font-size:19px}.progress-row span{font-size:9px}.practice-card{min-height:calc(100dvh - 240px);padding:18px;border-radius:20px}.feedback{align-items:flex-start;gap:8px}.feedback .primary{padding:13px}.sentence-prompt{font-size:24px}}@media(prefers-reduced-motion:no-preference){.practice-card{animation:appear .28s ease-out}.modal-backdrop{animation:fade .18s}@keyframes appear{0%{opacity:.3;transform:translateY(5px)}}@keyframes fade{0%{opacity:0}}}.question-actions{display:flex;align-items:center;gap:10px;margin-top:12px}.question-actions .check{flex:1;width:auto;margin-top:0}.skip{border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--muted);font-weight:650;padding:14px 20px}.skip:hover{border-color:var(--sage);color:var(--ink)}.question-actions .skip:only-child{margin-left:auto}.progress-row{grid-template-columns:repeat(2,1fr)}.topbar h1 .wordmark-mark{display:inline-block;width:.25em;height:.25em;margin-left:.05em;vertical-align:.03em}.wordmark-mark svg{display:block;width:100%;height:100%;overflow:visible}.tabs{grid-template-columns:repeat(6,1fr)}.flashcards-view{padding-top:32px}.flashcards-header{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}.flashcards-header h2{margin:0;font-family:Georgia,Apple SD Gothic Neo,serif;font-size:32px;font-weight:500}.shuffle-button,.card-navigation>button:first-child{border:1px solid var(--line);border-radius:11px;background:#fffdf8;padding:10px 14px}.lesson-picker{display:block;margin-bottom:18px}.lesson-picker span{display:block;margin:0 0 7px 3px;color:var(--muted);font-size:11px;font-weight:700}.lesson-picker select{width:100%;border:1px solid var(--line);border-radius:13px;background:#fffdf8;padding:12px 38px 12px 14px}.lesson-picker select:focus{border-color:var(--sage);outline:3px solid #758b7318}.flashcard-study{max-width:680px;margin:auto}.card-meta{display:flex;justify-content:space-between;margin:0 4px 9px;color:var(--muted);font-size:11px}.flashcard{width:100%;min-height:370px;border:1px solid var(--line);border-radius:24px;background:#fffdf8;box-shadow:0 16px 44px #51452c0b;padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.flashcard:hover{border-color:var(--sage)}.flashcard.flipped{background:var(--soft-sage)}.flashcard strong{font-family:Georgia,Apple SD Gothic Neo,serif;font-size:clamp(38px,8vw,68px);font-weight:500;text-align:center}.flashcard.flipped strong{font-size:clamp(30px,6vw,52px)}.flashcard small,.card-side-label{color:var(--muted)}.card-side-label{text-transform:uppercase;letter-spacing:.13em;font-size:10px;font-weight:700}.card-navigation{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.card-navigation button{min-height:50px}@media(max-width:600px){.flashcards-view{padding-top:24px}.flashcard{min-height:calc(100dvh - 380px)}.tabs button{font-size:9px}}@media(max-width:600px){.app-shell{height:100dvh;min-height:0;padding-top:calc(12px + env(safe-area-inset-top));display:flex;flex-direction:column}.app-shell.flashcards-open{height:auto;min-height:100dvh}.topbar{flex:none;max-height:42px;overflow:visible}.practice-view{display:flex;flex:1;min-height:0;flex-direction:column}.practice-view[hidden]{display:none}.practice-view .progress-row{flex:none;max-height:110px;overflow:hidden}.practice-view .practice-card{flex:1;min-height:0}.prompt-area{min-height:0;padding:18px 12px}.main-prompt{width:100%;overflow-wrap:anywhere}.sentence-prompt{width:100%;font-size:22px}html.keyboard-visible,html.keyboard-visible body,html.keyboard-visible #root{height:var(--visual-viewport-height);min-height:0;overflow:hidden;overscroll-behavior:none}.app-shell.keyboard-open{position:fixed;top:var(--visual-viewport-top,0);right:0;bottom:auto;left:0;width:100%;height:var(--visual-viewport-height);margin:0;padding-top:calc(16px + env(safe-area-inset-top));padding-bottom:12px;overflow:hidden}.keyboard-open>.topbar{max-height:0;overflow:hidden;opacity:0;transform:translateY(-8px)}.keyboard-open .practice-view>.progress-row{max-height:0;margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0;border-color:transparent;opacity:0;transform:translateY(-8px)}.keyboard-open .practice-view{flex:1;height:auto}.keyboard-open .practice-card{padding:12px}.keyboard-open .prompt-area{padding:6px 8px;gap:8px}.keyboard-open .input-wrap input{height:52px}.keyboard-open .question-actions{margin-top:8px}.keyboard-open .question-actions button{padding-top:11px;padding-bottom:11px}.keyboard-open .tabs{display:none}}@media(max-width:600px)and (prefers-reduced-motion:no-preference){.topbar,.practice-view>.progress-row{transition:max-height .18s ease,margin .18s ease,padding .18s ease,border-color .18s ease,opacity .12s ease,transform .18s ease}.practice-card,.prompt-area,.input-wrap input,.question-actions{transition:padding .18s ease,height .18s ease,margin .18s ease,gap .18s ease}}@media(max-width:600px){.keyboard-open .topbar,.keyboard-open .practice-view>.progress-row,.keyboard-open .practice-card,.keyboard-open .prompt-area,.keyboard-open .input-wrap input,.keyboard-open .question-actions{transition:none}}.loading img{width:72px;height:72px;margin:auto}.loading p{margin:14px 0 0}@media(prefers-reduced-motion:no-preference){.loading img{animation:loading-spin 1.2s linear infinite}@keyframes loading-spin{to{transform:rotate(1turn)}}}.global-settings{padding-top:20px}.global-settings h3{margin:0 0 12px;font-size:16px;font-weight:650}.global-settings>.setting-group:first-of-type{padding-top:0}.setting-group>.lesson-option{display:flex;align-items:center;gap:10px;font-weight:400;line-height:1.5;margin:12px 0}.lesson-option input{accent-color:var(--sage);width:18px;height:18px;flex-shrink:0}.tabs{grid-template-columns:repeat(7,1fr)}.alphabet-intro{color:var(--muted);font-size:14px;line-height:1.7;max-width:680px;margin:18px auto}.alphabet-groups{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.alphabet-groups button,.alphabet-grid button{border:1px solid var(--line);background:#fffdf8;border-radius:10px;padding:10px 12px}.alphabet-groups button{font-size:12px}.alphabet-groups button[aria-pressed=true],.alphabet-grid button[aria-pressed=true]{background:var(--soft-sage);border-color:var(--sage)}.alphabet-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(48px,1fr));gap:8px;margin:0 auto 22px;max-width:680px}.alphabet-grid button{font-size:26px}.alphabet-card{min-height:310px}.letter-details{text-align:center}.letter-details h3{margin:0;font-size:22px}.letter-details p{margin:10px 0;line-height:1.5}.alphabet-groups{max-width:680px;margin:0 auto 18px}.letter-audio{display:flex;flex-direction:column;align-items:center;gap:8px}.speaker-button{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;background:var(--paper);padding:10px 16px;min-height:44px}.speaker-button:hover,.speaker-button[aria-pressed=true]{border-color:var(--sage);background:var(--soft-sage)}.speaker-button:focus-visible{outline:2px solid var(--sage);outline-offset:3px}.letter-audio small,.audio-credit{font-size:12px}.audio-credit a{color:inherit;text-underline-offset:3px}.alphabet-shuffle{display:block;margin:0 0 12px auto}.alphabet-card .batchim-letters{font-size:clamp(24px,5vw,42px);overflow-wrap:anywhere}.batchim-intro h3{color:var(--ink);margin-bottom:8px}.batchim-intro summary{cursor:pointer;color:var(--ink)}