:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f7fb;--surface:#fff;--text:#1d2233;--muted:#6a7187;--accent:#4b5bdc;--on-accent:#fff;--accent-soft:#eceefb;--edge:#e4e7f0;--ok:#17805a;--warn:#9a6412;--bad:#c53a3a;--focus:#4b5bdc}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#111421;--surface:#1a1e2e;--text:#e6e8f2;--muted:#8e95ad;--accent:#8c98ff;--on-accent:#111421;--accent-soft:#242a44;--edge:#262b3f;--ok:#43c793;--warn:#e2b25a;--bad:#f07a7a;--focus:#aab3ff}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#111421;--surface:#1a1e2e;--text:#e6e8f2;--muted:#8e95ad;--accent:#8c98ff;--on-accent:#111421;--accent-soft:#242a44;--edge:#262b3f;--ok:#43c793;--warn:#e2b25a;--bad:#f07a7a;--focus:#aab3ff}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:17px/1.5 Instrument Sans,system-ui,sans-serif}.page{max-width:520px;margin:0 auto;padding:1.5rem 16px}h1{letter-spacing:-.01em;font-size:1.4rem;font-weight:700}h1 a{color:var(--accent);text-decoration:none}a{color:var(--accent)}.study{font-family:Literata,Georgia,serif}input,button,textarea{font:inherit;border:1px solid var(--edge);border-radius:12px;padding:.6rem .8rem}input,textarea{background:var(--surface);color:var(--text);width:100%}button{background:var(--accent);color:var(--on-accent);cursor:pointer;border:none;border-radius:14px;font-weight:600}button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:2px}button:disabled{opacity:.45;cursor:not-allowed}.muted-toggle,.secondary-button,.hint-button,.explanation-toggle{background:var(--accent-soft);color:var(--text);border:none}.hint-button,.explanation-toggle{color:var(--accent)}.muted-toggle{padding:.4rem .8rem;font-size:.9rem}.danger-button{background:var(--bad);color:var(--on-accent)}.primary-wide{width:100%}label{margin:.6rem 0;display:block}form>input:not([type=hidden])+button,form>textarea+button{margin-top:.6rem}.error{color:var(--bad)}.ok{color:var(--ok)}.pending,.muted{color:var(--muted)}.head{color:var(--accent);font-weight:700}.answer{font-weight:600}.home-head{justify-content:space-between;align-items:center;gap:.5rem;display:flex}.streak-chip{background:var(--accent-soft);color:var(--text);border-radius:999px;padding:.2rem .7rem;font-size:.95rem;font-weight:600}.quick-add{gap:.5rem;margin:.6rem 0;display:flex}.quick-add>input:not([type=hidden])+button{margin-top:0}.quick-add input{flex:1}.failed-row{align-items:center;gap:.5rem;display:flex}.request-row{border-bottom:1px solid var(--accent-soft);flex-wrap:wrap;align-items:center;gap:.5rem;padding:.5rem 0;display:flex}.request-row>span:first-of-type{overflow-wrap:anywhere;flex:1;min-width:9rem}.request-actions{align-items:center;gap:.5rem;margin-left:auto;display:flex}.stats{gap:.75rem;margin:1rem 0;display:flex}.stat{background:var(--surface);border:1px solid var(--edge);text-align:center;color:var(--muted);border-radius:18px;flex:1;padding:.8rem 1rem}.stat b{color:var(--text);font-size:1.6rem;display:block}.new-queue{background:var(--surface);border:1px solid var(--edge);border-radius:18px;justify-content:space-between;align-items:center;gap:1rem;margin:1rem 0;padding:16px;display:flex}.new-queue p{margin:.2rem 0 0}.calendar{grid-template-columns:repeat(7,1fr);gap:4px;margin-top:1rem;display:grid}.calendar .day{aspect-ratio:1;background:var(--accent-soft);color:var(--muted);border-radius:8px;place-items:center;font-size:.75rem;display:grid}.calendar .done{background:var(--ok);color:var(--on-accent)}.nav{gap:.75rem;margin-top:1.5rem;display:flex}.nav-tile{background:var(--surface);border:1px solid var(--edge);color:var(--text);border-radius:18px;flex:1;justify-content:space-between;align-items:center;padding:.8rem 1rem;font-weight:600;text-decoration:none;display:flex}.nav-tile:hover{border-color:var(--accent)}.nav-tile span{color:var(--muted);font-weight:500}.settings{margin-top:1.5rem;font-size:.9rem}.settings summary{width:fit-content;color:var(--muted);cursor:pointer;margin:0 auto}.settings[open]{background:var(--surface);border:1px solid var(--edge);border-radius:18px;padding:.8rem 1rem}.settings[open] summary{margin-bottom:.75rem}.settings-links{flex-wrap:wrap;gap:.5rem 1rem;display:flex}.logout{text-align:center;margin-top:.5rem}.logout .link-button{color:var(--muted)}.theme-switch,.reminder-segment{background:var(--accent-soft);border-radius:14px;gap:2px;padding:3px;display:inline-flex}.theme-switch{margin-top:1rem}.theme-switch button,.reminder-segment button{color:var(--text);background:0 0;border-radius:11px;padding:.35rem .9rem;font-size:.9rem}.theme-switch button[aria-pressed=true],.reminder-segment button[aria-pressed=true]{background:var(--surface);color:var(--accent)}.reminder-switch{flex-wrap:wrap;align-items:center;gap:.6rem;margin-top:.75rem;font-size:.9rem;display:flex}.link-button{color:var(--accent);background:0 0;padding:.35rem .2rem;font-size:.9rem;text-decoration:underline}.link-button:disabled{opacity:.6}.card-face{background:var(--surface);border:1px solid var(--edge);border-radius:18px;margin:1rem 0;padding:16px}.card-row{border-bottom:1px solid var(--edge);color:inherit;padding:.7rem 0;text-decoration:none;display:block}.review-head{flex-wrap:wrap;align-items:baseline;gap:.4rem;display:flex}.review-head .muted{font-size:1rem;font-weight:500}.progress{background:var(--accent-soft);border-radius:999px;height:4px;margin:-.3rem 0 1rem;overflow:hidden}.progress span{border-radius:inherit;background:var(--accent);height:100%;display:block}.grades{flex-wrap:wrap;gap:.5rem;display:flex}.grades button{background:var(--accent-soft);color:var(--text);flex:1}.grades button.grade-suggested{background:var(--accent);color:var(--on-accent)}.grades .error{flex-basis:100%}.grades kbd{background:color-mix(in srgb, currentColor 16%, transparent);border-radius:4px;margin-left:.35em;padding:.05em .35em;font-size:.75em}@media (hover:none){.grades kbd{display:none}}.diff-match{color:var(--ok)}.diff-typo{color:var(--warn);text-decoration:underline}.diff-missing{color:var(--bad);text-decoration:line-through}.diff-extra{color:var(--muted);text-decoration:line-through}.diff-head{font-weight:700}.typed-answer{margin-top:0}.feedback{margin-bottom:.2rem}.verdict{font-weight:700}.verdict-correct{color:var(--ok)}.verdict-minor{color:var(--warn)}.verdict-wrong{color:var(--bad)}.feedback-notes{color:var(--text);margin:.4rem 0;padding-left:1.2rem;font-size:.95rem}.feedback-notes li+li{margin-top:.25rem}.alt-label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:.8rem 0 0;font-size:.75rem}.step-progress{color:var(--accent);font-weight:700}.learning-card audio{width:100%}.decode-grid{flex-wrap:wrap;gap:.5rem;margin:1rem 0;display:flex}.decode-pair{text-align:center;background:var(--accent-soft);border-radius:12px;min-width:5rem;padding:.45rem .7rem;display:grid}.decode-pair span:first-child{font-weight:600}.decode-pair span:last-child{color:var(--muted);border-top:1px solid var(--edge);font-size:.9rem}.understanding-list{gap:.5rem;display:grid}.understanding-item{background:var(--accent-soft);border-radius:12px;padding:.55rem .7rem}.understanding-row{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.understanding-row label,.spoken-check{align-items:center;gap:.65rem;min-width:0;margin:0;display:flex}.understanding-list input,.spoken-check input{width:auto;accent-color:var(--accent)}.hint-button{background:var(--surface);flex:none;padding:.35rem .55rem;font-size:.82rem}.word-hint{color:var(--ok);margin:.4rem 0 0 1.55rem}.explanation-toggle{width:100%;margin-top:.8rem}.explanation-help{border-top:1px solid var(--edge);margin-top:.8rem;padding-top:.8rem}.explanation-help>p{margin:.35rem 0}.learning-actions{align-items:stretch;gap:.6rem;display:flex}.learning-actions>.primary-wide,.finish-form{flex:1}.finish-form button{height:100%}.secondary-button{flex:0 auto}@media (width<=420px){.learning-actions{flex-direction:column-reverse}.learning-actions button{width:100%}}