:root{--bg:#0d1015;--bg-elev:#151a22;--bg-elev-2:#1c222c;--line:#262d39;--text:#e8edf5;--text-dim:#94a1b4;--accent:#6c8cff;--accent-2:#a97bff;--ok:#3ecf8e;--warn:#f2a33c;--err:#ff6b6b;--radius:16px;--radius-sm:12px;--nav-h:68px;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=light]{--bg:#f4f6fb;--bg-elev:#fff;--bg-elev-2:#eef1f8;--line:#dde3ee;--text:#141a24;--text-dim:#5c6779;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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var(--accent))}.bar__label{color:var(--text-dim);white-space:nowrap;font-size:.62rem}.studybar{align-items:center;gap:12px;display:flex}.flash{justify-content:center;gap:14px;min-height:240px}.flash__front,.flash__back{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.flash__back{border-top:1px solid var(--line);width:100%;padding-top:14px}.flash__term{letter-spacing:-.03em;word-break:break-word;font-size:2.1rem;font-weight:700}.flash__prompt{color:var(--accent);font-size:1.6rem;font-weight:700}.flash__hint{color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;font-size:.8rem}.quiz{flex-direction:column;gap:8px;width:100%;display:flex}.quiz__option{text-align:left;background:var(--bg-elev-2);border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;width:100%;padding:13px 14px;font-size:.98rem;transition:all .12s}.quiz__option:active{transform:scale(.99)}.quiz__option--correct{border-color:var(--ok);background:color-mix(in srgb, var(--ok) 18%, transparent);color:var(--ok);font-weight:600}.quiz__option--wrong{border-color:var(--err);background:color-mix(in srgb, var(--err) 16%, transparent);color:var(--err)}.grades{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.grade{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-elev);cursor:pointer;flex-direction:column;align-items:center;gap:3px;padding:11px 4px;transition:transform 80ms;display:flex}.grade:active{transform:scale(.97)}.grade__label{font-size:.76rem;font-weight:700}.grade__interval{color:var(--text-dim);font-size:.64rem}.grade--again{border-color:color-mix(in srgb, var(--err) 45%, var(--line))}.grade--again .grade__label{color:var(--err)}.grade--hard{border-color:color-mix(in srgb, var(--warn) 45%, var(--line))}.grade--hard .grade__label{color:var(--warn)}.grade--good{border-color:color-mix(in srgb, var(--accent) 45%, var(--line))}.grade--good .grade__label{color:var(--accent)}.grade--easy{border-color:color-mix(in srgb, var(--ok) 45%, var(--line))}.grade--easy .grade__label{color:var(--ok)}.summary__big{letter-spacing:-.04em;background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:3rem;font-weight:800}.summary__row{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.picker{flex-wrap:wrap;gap:8px;display:flex}.picker__item{border:1px solid var(--line);background:var(--bg-elev-2);cursor:pointer;border-radius:12px;width:44px;height:44px;font-size:1.3rem}.picker__item--active{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 16%, transparent)}.picker__dot{cursor:pointer;border:2px solid #0000;border-radius:50%;width:34px;height:34px}.picker__dot--active{border-color:var(--text)}.screen--reader{gap:10px}.reader__toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding-bottom:4px;display:flex}.reader{flex-direction:column;gap:14px;max-width:46rem;display:flex}.reader__heading{color:var(--accent-2);margin-top:10px;font-size:1.05rem;font-weight:700}.reader__para{border-radius:10px;margin:0;font-size:1.06rem;line-height:1.75;transition:background .2s}.reader__para--speaking{background:color-mix(in srgb, var(--accent) 12%, transparent);box-shadow:0 0 0 8px color-mix(in srgb, var(--accent) 12%, transparent)}.reader__word{cursor:pointer;border-radius:4px;padding:1px;transition:background .12s}.reader__word:active{background:color-mix(in srgb, var(--accent) 30%, transparent)}.reader__word--learned{color:var(--ok)}.reader__word--studying{color:var(--accent);border-bottom:1px dashed color-mix(in srgb, var(--accent) 55%, transparent)}.reader__word--name{color:var(--text-dim)}.reader__source{border-top:1px solid var(--line);padding-top:10px}.reader__context{color:var(--text-dim);border-left:3px solid var(--accent);padding-left:10px;font-size:.95rem;font-style:italic}.textcard{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);align-items:center;gap:4px;padding:4px 6px;display:flex}.textcard__main{text-align:left;cursor:pointer;min-width:0;color:inherit;background:0 0;border:0;flex-direction:column;flex:1;gap:3px;padding:10px 8px;display:flex}.textcard__title{font-weight:600;line-height:1.3}.wikilist{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.wikilist__item{text-align:left;background:var(--bg-elev-2);border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;width:100%;color:inherit;flex-direction:column;gap:2px;padding:10px 12px;display:flex}.wikilist__item:disabled{opacity:.5}.wikilist__title{font-weight:600}.wikilist__preview{color:var(--text-dim);font-size:.78rem;line-height:1.4}.textarea{resize:vertical;min-height:120px;font-family:inherit;line-height:1.5}.checklist{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.checklist__item{border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--bg-elev-2);align-items:flex-start;gap:9px;padding:9px 11px;display:flex}.checklist__item--ok{border-color:color-mix(in srgb, var(--ok) 35%, var(--line))}.checklist__item--fail{border-color:color-mix(in srgb, var(--err) 45%, var(--line))}.checklist__icon{flex:none;margin-top:1px;display:inline-flex}.checklist__item--ok .checklist__icon{color:var(--ok)}.checklist__item--fail .checklist__icon{color:var(--err)}.checklist__body{flex-direction:column;gap:1px;min-width:0;display:flex}.checklist__title{font-size:.88rem;font-weight:600}.checklist__detail{color:var(--text-dim);word-break:break-word;font-size:.76rem}