:root{--bg:#f8f3e8;--surface:#fffdf7;--surface-2:#efe7d4;--ink:#23302a;--ink-soft:#55625a;--forest:#24513a;--forest-ink:#fffdf7;--sage:#dce8dc;--line:#d9cfb9;--ochre:#9a6512;--ochre-wash:#f6e8cb;--wrong-wash:#f5e1da;--wrong-ink:#8a3b22;--orange:#b9581a;--orange-dark:#9f4a15;--focus:#1f6fb2;--font-display:"Literata", Georgia, "Times New Roman", serif;--font-body:"Atkinson Hyperlegible", "Segoe UI", Arial, sans-serif;--step-0:1.1875rem;--step-1:1.375rem;--step-2:1.75rem;--step-3:2.25rem;--radius:14px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#151e19;--surface:#1d2822;--surface-2:#24312a;--ink:#eee8da;--ink-soft:#b6bdb2;--forest:#93c9a5;--forest-ink:#10201a;--sage:#2c4636;--line:#3a4a40;--ochre:#e2b260;--ochre-wash:#3a3020;--wrong-wash:#3e2a24;--wrong-ink:#f0b19b;--focus:#8ec3f2;--lightningcss-light: ;--lightningcss-dark:initial;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#151e19;--surface:#1d2822;--surface-2:#24312a;--ink:#eee8da;--ink-soft:#b6bdb2;--forest:#93c9a5;--forest-ink:#10201a;--sage:#2c4636;--line:#3a4a40;--ochre:#e2b260;--ochre-wash:#3a3020;--wrong-wash:#3e2a24;--wrong-ink:#f0b19b;--focus:#8ec3f2;--lightningcss-light: ;--lightningcss-dark:initial;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:var(--step-0);padding-block:0 48px;padding-inline:16px;line-height:1.55}.app{max-width:680px;margin:0 auto}h1,h2,h3{font-family:var(--font-display);color:var(--forest);text-wrap:balance;margin:0;font-weight:600;line-height:1.2}h1{font-size:clamp(2rem, 7vw, var(--step-3))}h2{font-size:var(--step-2)}h3{font-size:var(--step-1)}p{margin:0}.stack{flex-direction:column;gap:20px;display:flex}.stack-lg{flex-direction:column;gap:32px;display:flex}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;margin-bottom:28px;padding-block:18px;display:flex}.brand{font-family:var(--font-display);color:var(--forest);font-size:1.05rem;font-weight:600}.link-btn{color:var(--forest);font:inherit;text-underline-offset:4px;cursor:pointer;background:0 0;border:none;min-height:48px;padding:10px 4px;font-size:1.05rem;font-weight:700;text-decoration:underline}.btn{min-height:60px;font:inherit;font-weight:700;font-size:var(--step-0);cursor:pointer;border:2px solid var(--forest);text-align:center;border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:14px 26px;display:inline-flex}.btn-primary{background:var(--forest);color:var(--forest-ink)}.btn-secondary{color:var(--forest);background:0 0}.btn-big{min-height:68px;font-size:var(--step-1);width:100%}.btn[disabled]{opacity:.45;cursor:not-allowed}.btn-row{flex-wrap:wrap;gap:12px;display:flex}.btn-row>.btn{flex:200px}button:focus-visible,textarea:focus-visible,input:focus-visible,.choice:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.hero{flex-direction:column;gap:16px;padding-top:8px;display:flex}.subhead{font-size:var(--step-1);color:var(--ink-soft);max-width:32ch}.teacher-note{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;gap:10px;padding:22px;display:flex}.teacher-note .who{color:var(--forest);letter-spacing:.04em;text-transform:uppercase;font-size:.95rem;font-weight:700}.teacher-note p.msg{font-size:var(--step-1);line-height:1.5}.reassure{text-align:center;color:var(--ink-soft);font-weight:700}.footer-note{border-top:1px solid var(--line);color:var(--ink-soft);flex-wrap:wrap;align-items:center;gap:6px;padding-top:18px;font-size:1rem;display:flex}.question{flex-direction:column;gap:14px;display:flex}.q-label{color:var(--ink-soft);letter-spacing:.05em;text-transform:uppercase;font-size:.95rem;font-weight:700}.choices{gap:12px;display:grid}.choices.topics{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.choice{background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);width:100%;min-height:72px;font:inherit;color:var(--ink);text-align:left;cursor:pointer;align-items:center;gap:16px;padding:14px 18px;display:flex}.choice[aria-pressed=true]{border-color:var(--forest);background:var(--sage)}.choice .icon{flex:none;font-size:2rem;line-height:1}.choice .txt{flex-direction:column;min-width:0;display:flex}.choice .txt strong{font-size:var(--step-0)}.choice .txt small{color:var(--ink-soft);font-size:1rem}.tick{border:2px solid var(--line);border-radius:50%;flex:none;place-items:center;width:30px;height:30px;margin-left:auto;font-weight:700;display:grid}.choice[aria-pressed=true] .tick{background:var(--forest);border-color:var(--forest);color:var(--forest-ink)}.soon-tag{color:var(--ochre);font-size:.85rem;font-weight:700}.hint{color:var(--ink-soft);text-align:center;font-size:1rem}.progress{flex-direction:column;gap:10px;display:flex}.progress-bar{gap:6px;display:flex}.progress-bar span{background:var(--line);border-radius:4px;flex:1;height:8px}.progress-bar span.on{background:var(--forest)}.progress-label{color:var(--ink-soft);flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:1rem;display:flex}.settings-chip{background:var(--surface-2);border-radius:var(--radius);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 12px;padding:10px 14px;font-size:1rem;display:flex}.eyebrow{color:var(--ink-soft);letter-spacing:.05em;text-transform:uppercase;font-size:.95rem;font-weight:700}.lead{font-size:var(--step-1);line-height:1.5}.phrase-list{flex-direction:column;gap:16px;margin:0;padding:0;list-style:none;display:flex}.phrase-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;gap:14px;padding:22px;display:flex}.phrase-num{color:var(--ink-soft);font-size:.95rem;font-weight:700}.phrase-text{font-family:var(--font-display);color:var(--ink);font-size:clamp(1.6rem,6vw,2rem);font-weight:500;line-height:1.3}.chunks{background:var(--surface-2);border-radius:10px;flex-direction:column;gap:8px;padding:14px 16px;display:flex}.chunks ol{font-size:var(--step-1);flex-direction:column;gap:4px;margin:0;padding-left:1.4em;display:flex}.tip{color:var(--ink-soft)}.audio{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.audio .btn{flex:140px;min-height:56px;padding:10px 22px}.audio-missing{background:var(--ochre-wash);color:var(--ochre);border-radius:10px;align-items:center;gap:10px;padding:12px 16px;font-size:1.05rem;font-weight:700;display:flex}.audio-note{color:var(--ink-soft);flex-basis:100%;font-size:.95rem}.audio-err{color:var(--wrong-ink);flex-basis:100%;font-size:1rem}.flashcard{perspective:1400px;cursor:pointer;width:100%;font:inherit;color:inherit;text-align:center;border-radius:var(--radius);background:0 0;border:none;padding:0}.card-inner{transform-style:preserve-3d;transition:transform .55s;display:grid}.flashcard.is-flipped .card-inner{transform:rotateY(180deg)}.card-face{backface-visibility:hidden;border-radius:var(--radius);flex-direction:column;grid-area:1/1;justify-content:center;align-items:center;gap:18px;min-height:300px;padding:28px 22px;display:flex}.card-front{background:var(--surface);border:2px solid var(--line)}.card-back{background:var(--sage);border:2px solid var(--forest);transform:rotateY(180deg)}.card-emoji{font-size:4rem;line-height:1}.card-phrase{font-family:var(--font-display);font-size:clamp(1.6rem,6vw,2.1rem);font-weight:500;line-height:1.3}.card-meaning{font-size:var(--step-1);max-width:30ch;line-height:1.5}.card-hint{color:var(--ink-soft);font-size:1rem;font-weight:700}.card-nav{grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;display:grid}.card-nav .count{color:var(--ink-soft);text-align:center;font-variant-numeric:tabular-nums;font-weight:700}@media (width<=420px){.card-nav .btn{padding-inline:12px}}.dialogue{flex-direction:column;gap:10px;display:flex}.line{border-radius:var(--radius);flex-direction:column;gap:2px;max-width:88%;padding:12px 16px;display:flex}.line .who{color:var(--ink-soft);font-size:.9rem;font-weight:700}.line.caller{background:var(--surface);border:1px solid var(--line);align-self:flex-start}.line.you{background:var(--sage);align-self:flex-end}.line.narration{color:var(--ink-soft);text-align:center;background:0 0;align-self:center;font-style:italic}.quiz-q{font-family:var(--font-display);font-size:var(--step-2);color:var(--ink);font-weight:500;line-height:1.3}.answer{justify-content:flex-start}.answer.correct{border-color:var(--forest);background:var(--sage)}.answer.wrong{border-color:var(--wrong-ink);background:var(--wrong-wash)}.feedback{border-radius:var(--radius);flex-direction:column;gap:10px;padding:18px 20px;display:flex}.feedback.good{background:var(--sage)}.feedback.bad{background:var(--wrong-wash)}.feedback strong{font-size:var(--step-1)}.feedback.bad strong{color:var(--wrong-ink)}.score{font-family:var(--font-display);color:var(--forest);font-variant-numeric:tabular-nums;font-size:3.5rem;line-height:1}.complete{background:var(--surface);border:2px solid var(--forest);border-radius:var(--radius);flex-direction:column;gap:14px;padding:28px 22px;display:flex}.complete p{font-size:var(--step-1)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;gap:14px;padding:22px;display:flex}textarea{width:100%;min-height:140px;font:inherit;font-size:var(--step-0);color:var(--ink);background:var(--bg);border:2px solid var(--line);resize:vertical;border-radius:10px;padding:14px}.status{color:var(--forest);font-weight:700}.small{color:var(--ink-soft);font-size:1rem}.honest{background:var(--surface-2);border-radius:10px;padding:12px 16px;font-size:1rem}.file-row{border-top:1px solid var(--line);flex-direction:column;gap:8px;padding-top:14px;display:flex}.file-row code{background:var(--surface-2);border-radius:4px;padding:2px 6px;font-size:.95rem}.file-row label{font-size:1rem;font-weight:700}.file-row input[type=file]{max-width:100%;font-size:1rem}.attached{color:var(--forest);font-size:1rem;font-weight:700}@media (prefers-reduced-motion:reduce){.card-inner{transition:none}}:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}body{margin:0}.text-input{width:100%;min-height:60px;font:inherit;font-size:var(--step-0);color:var(--ink);background:var(--bg);border:2px solid var(--line);border-radius:10px;padding:12px 14px}.admin{max-width:1100px;margin:0 auto}.stats{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.stat-big{font-family:var(--font-display);color:var(--forest);font-size:2.5rem;line-height:1}.bars{flex-direction:column;gap:6px;font-size:1rem;display:flex}.bar-row{grid-template-columns:90px 1fr 70px;align-items:center;gap:8px;display:grid}.bar{background:var(--line);border-radius:5px;height:10px;overflow:hidden}.bar>span{background:var(--forest);height:100%;display:block}.filters{flex-wrap:wrap;gap:10px;display:flex}.filters>*{flex:180px}.select{min-height:52px;font:inherit;color:var(--ink);background:var(--surface);border:2px solid var(--line);border-radius:10px;padding:8px 12px;font-size:1rem}.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}.fb-table{border-collapse:collapse;width:100%;font-size:.95rem}.fb-table th,.fb-table td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:10px 12px}.fb-table th{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em;font-size:.85rem}.fb-table tr.clickable{cursor:pointer}.fb-table tr.clickable:hover{background:var(--surface-2)}.pill{background:var(--surface-2);border-radius:999px;padding:2px 10px;font-size:.85rem;font-weight:700;display:inline-block}.pill.new{background:var(--ochre-wash);color:var(--ochre)}.pill.reviewed{background:var(--sage);color:var(--forest)}.pill.follow_up{background:var(--wrong-wash);color:var(--wrong-ink)}.detail dl{grid-template-columns:160px 1fr;gap:8px 14px;margin:0;display:grid}.detail dt{color:var(--ink-soft);font-weight:700}.detail dd{white-space:pre-wrap;word-break:break-word;margin:0}.btn.btn-feedback{color:#fff;background:#e87524;border-color:#e87524}.btn.btn-feedback:hover{background:#cf6418;border-color:#cf6418}a.btn.btn-learn-more{background:var(--orange);color:#fff;border-color:var(--orange);text-decoration:none;transition:background .15s,border-color .15s,transform .15s;box-shadow:0 10px 24px -12px #b9581aa6}a.btn.btn-learn-more:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px)}a.btn.btn-learn-more:focus-visible{outline:3px solid var(--focus);outline-offset:3px}