@font-face{unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;font-family:serifFont;src:url(../media/source_serif_4_latin_wght-s.p.42000xkkqj0am.woff2)format("woff2");font-display:swap;font-weight:400 700}@font-face{font-family:serifFont Fallback;src:local(Times New Roman);ascent-override:87.45%;descent-override:28.28%;line-gap-override:0.0%;size-adjust:118.46%}.seriffont_5d57e92d-module__nR5mBq__className{font-family:serifFont,serifFont Fallback}.seriffont_5d57e92d-module__nR5mBq__variable{--font-serif:"serifFont", "serifFont Fallback"}
:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f3f2f2;--surface:#fff;--surface-tint:#d9f1f8;--surface-quiet:#e8e6e5;--surface-mint:#bfe6c8;--surface-rose:#f4c6d9;--surface-deep:#004a61;--ink:#201e1d;--ink-soft:#3d3936;--ink-muted:#55504d;--on-deep:#fff;--on-deep-muted:#d3dfe3;--primary:#00384a;--primary-hover:#00607d;--accent:#0088b0;--link:#00607d;--rule:#6b6663;--correct:#1a6b50;--incorrect:#b23a48;--info:#00607d;--warning:#8a5300}[data-mode=exam]{--surface-tint:#e4e2e1;--surface-deep:#2f3134;--on-deep-muted:#d9d7d5;--primary:#33373b;--primary-hover:#50555c;--accent:#6b6663;--link:#45484c;--incorrect:#a8323f;--info:#45484c;--warning:#7f4e00}
:root{--pl-motion-state:.12s;--pl-motion-panel:.2s;--pl-motion-celebrate:.4s;--pl-ease:cubic-bezier(.2, 0, 0, 1);--pl-ease-spring:cubic-bezier(.34, 1.56, .64, 1)}.pl-focusable:focus-visible,.pl-btn:focus-visible,.pl-option:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pl-card--deep .pl-focusable:focus-visible,.pl-card--deep .pl-btn:focus-visible{outline-color:var(--on-deep)}.pl-btn{min-height:44px;font:inherit;cursor:pointer;transition:background-color var(--pl-motion-state) var(--pl-ease), color var(--pl-motion-state) var(--pl-ease);border:0;border-radius:999px;justify-content:center;align-items:center;gap:14px;padding:0 24px;font-size:1.0625rem;line-height:1.2;text-decoration:none;display:inline-flex}.pl-btn:disabled{opacity:.5;cursor:not-allowed}.pl-btn--primary,.pl-btn--primary:hover{background-color:var(--primary);color:var(--on-deep)}.pl-btn--primary:hover:not(:disabled){background-color:var(--primary-hover)}.pl-btn--secondary,.pl-btn--secondary:hover{background-color:var(--surface-quiet);color:var(--ink)}.pl-btn--secondary:hover:not(:disabled){background-color:var(--surface-tint)}.pl-card--quiet .pl-btn--secondary:not(:hover){background-color:var(--surface)}.pl-btn--ghost,.pl-btn--ghost:hover{color:var(--link);background-color:#0000}.pl-btn--ghost:hover:not(:disabled){background-color:var(--surface-quiet)}.pl-btn--danger,.pl-btn--danger:hover{background-color:var(--incorrect);color:var(--on-deep)}.pl-btn--light,.pl-btn--light:hover{background-color:var(--on-deep);color:var(--ink)}.pl-btn--light:hover:not(:disabled){background-color:var(--surface-tint)}.pl-btn--arrow{justify-content:space-between;padding:5px 5px 5px 24px}.pl-btn--arrow:after{content:"→";content:"→" / "";background-color:var(--on-deep);width:34px;height:34px;color:var(--primary);border-radius:50%;flex:none;place-items:center;display:grid}.pl-btn--arrow-go:after{content:"↗";content:"↗" / ""}.pl-btn--light.pl-btn--arrow:after,.pl-btn--secondary.pl-btn--arrow:after{background-color:var(--primary);color:var(--on-deep)}.pl-card{background-color:var(--surface);border-radius:12px;padding:clamp(20px,3vw,28px)}.pl-card--tint{background-color:var(--surface-tint)}.pl-card--quiet{background-color:var(--surface-quiet)}.pl-card--mint{background-color:var(--surface-mint)}.pl-card--rose{background-color:var(--surface-rose)}.pl-card--deep{background-color:var(--surface-deep);color:var(--on-deep);--ink-muted:var(--on-deep-muted);--accent:var(--on-deep)}.pl-option{background-color:var(--surface);width:100%;min-height:44px;color:var(--ink);font:inherit;text-align:left;cursor:pointer;transition:border-color var(--pl-motion-state) var(--pl-ease), background-color var(--pl-motion-state) var(--pl-ease), transform var(--pl-motion-state) var(--pl-ease);border:2px solid #0000;border-radius:10px;align-items:center;gap:14px;padding:14px 20px;display:flex}.pl-option:before{content:"";box-sizing:border-box;border:2px solid var(--primary);border-radius:50%;flex:none;width:18px;height:18px}.pl-option--selected{border-color:var(--primary);background-color:var(--surface-tint)}.pl-option--selected:before{background:radial-gradient(circle, var(--primary) 0 4px, transparent 4.5px)}.pl-option--correct:before,.pl-option--incorrect:before{display:none}.pl-option--correct{border-color:var(--correct)}.pl-option--incorrect{border-color:var(--incorrect)}@media (forced-colors:active){.pl-option--selected,.pl-option--selected:before{border-color:highlight}.pl-option--selected:before{forced-color-adjust:none;background:radial-gradient(circle,highlight 0 4px,#0000 4.5px)}}.pl-option[aria-disabled=true]{cursor:not-allowed}.pl-option__glyph{flex:none}.pl-option--correct .pl-option__glyph{color:var(--correct)}.pl-option--incorrect .pl-option__glyph{color:var(--incorrect)}.pl-item{gap:12px;display:grid}.pl-item__stem{margin:0;font-size:1.1875rem;line-height:1.5}.pl-item [role=radiogroup]{gap:8px;display:grid}.pl-rail{background-color:var(--surface-quiet);border-radius:999px;width:100%;height:8px;overflow:hidden}.pl-rail__fill{background-color:var(--primary);border-radius:inherit;height:100%;transition:width var(--pl-motion-panel) var(--pl-ease)}.pl-callout{background-color:var(--surface-quiet);border-inline-start:4px solid #0000;border-radius:12px;gap:12px;padding:16px 20px;display:flex}.pl-callout__glyph{flex:none}.pl-callout--info{border-inline-start-color:var(--info);background-color:var(--surface-tint);color:var(--info)}.pl-callout--correct{border-inline-start-color:var(--correct);color:var(--correct)}.pl-callout--incorrect{border-inline-start-color:var(--incorrect);color:var(--incorrect)}.pl-callout--accent{border-inline-start-color:var(--primary);background-color:var(--surface-tint);color:var(--primary)}.pl-callout__body{color:var(--ink)}.pl-empty{background-color:var(--surface-tint);color:var(--ink-soft);border-radius:16px;justify-items:start;gap:12px;padding:clamp(32px,5vw,56px);display:grid}.pl-empty__heading{color:var(--ink);letter-spacing:-.02em;margin:0;font-size:clamp(1.75rem,3.4vw,2.5rem);font-weight:500;line-height:1.1}.pl-empty__body{max-width:40ch;margin:0;font-size:1.125rem}.pl-empty>.pl-btn{margin-top:12px}.pl-band-meter{gap:4px;display:grid}.pl-band-meter__label{color:var(--ink);font-weight:600}.pl-band-meter__track{background-color:color-mix(in srgb, var(--ink) 12%, transparent);border-radius:999px;height:12px;position:relative;overflow:hidden}.pl-band-meter__range{background-color:color-mix(in srgb, var(--primary) 30%, transparent);position:absolute;top:0;bottom:0}.pl-band-meter__fill{background-color:var(--primary);transform-origin:0;transition:width var(--pl-motion-celebrate) var(--pl-ease);animation:pl-fill-in var(--pl-motion-celebrate) var(--pl-ease);border-radius:999px;position:absolute;top:0;bottom:0;left:0}@keyframes pl-fill-in{0%{transform:scaleX(0)}to{transform:none}}.pl-band-meter__text{color:var(--ink-muted);font-size:.875rem}.pl-trend-chart{gap:2px;display:grid}.pl-trend-chart__plot{width:100%;height:auto;display:block;overflow:visible}.pl-trend-chart__guide{stroke:color-mix(in srgb, var(--ink) 15%, transparent);stroke-width:1px;vector-effect:non-scaling-stroke}.pl-trend-chart__interval{fill:color-mix(in srgb, var(--primary) 22%, transparent);stroke:none}.pl-trend-chart__line{fill:none;stroke:var(--primary);stroke-width:2px;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}.pl-trend-chart__dot{fill:var(--primary)}.pl-trend-chart__axis{color:var(--ink-muted);justify-content:space-between;font-size:.75rem;display:flex}.pl-sheet{background-color:var(--surface);border-top:4px solid var(--rule);animation:pl-sheet-in var(--pl-motion-panel) var(--pl-ease);border-radius:12px;gap:12px;padding:clamp(20px,3vw,28px);display:grid}.pl-sheet--correct{border-top-color:var(--correct)}.pl-sheet--incorrect{border-top-color:var(--incorrect)}.pl-sheet__heading{color:var(--ink);align-items:center;gap:8px;margin:0;font-size:1.25rem;display:flex}.pl-sheet__heading:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pl-sheet--correct .pl-sheet__glyph{color:var(--correct)}.pl-sheet--incorrect .pl-sheet__glyph{color:var(--incorrect)}.pl-sheet__action{justify-content:flex-end;display:flex}@keyframes pl-sheet-in{0%{transform:translateY(16px)}to{transform:none}}.pl-passage{max-width:66ch;font-family:var(--font-serif,"Source Serif 4"), "Source Serif 4", ui-serif, Georgia, Cambria, "Times New Roman", serif;color:var(--ink);font-size:1.1875rem;line-height:1.65}.pl-passage__title{margin:0 0 8px;font-size:1.1875rem}.pl-passage__paragraph{margin:0 0 12px}.pl-voice-form{aspect-ratio:1;width:min(60vw,240px);margin:24px auto;position:relative}.pl-voice-form__examiner,.pl-voice-form__candidate{will-change:transform;border-radius:50%;position:absolute}.pl-voice-form__examiner{background-color:var(--accent);transform:scale(var(--pl-voice-examiner,1));inset:12%}.pl-voice-form__candidate{background-color:var(--primary);transform:scale(var(--pl-voice-candidate,1));inset:34%}.pl-voice-form--still .pl-voice-form__examiner,.pl-voice-form--still .pl-voice-form__candidate{will-change:auto}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}[data-mode=exam]{background-color:var(--bg);color:var(--ink)}[data-mode=exam],[data-mode=exam] *,[data-mode=exam] :before,[data-mode=exam] :after{transition:none!important;animation:none!important}.pl-timer{background-color:var(--surface);font-variant-numeric:tabular-nums;border:2px solid #0000;border-radius:999px;align-items:center;gap:8px;min-height:44px;padding:0 16px;font-weight:600;display:inline-flex}.pl-timer--warning{border-color:var(--warning);color:var(--warning)}.pl-timer--urgent{border-color:var(--incorrect);color:var(--incorrect)}.pl-timer__tone{font-size:14px;font-weight:400}.pl-dialog{background-color:var(--surface);max-width:min(560px,100vw - 32px);color:var(--ink);border:0;border-radius:12px;padding:clamp(20px,3vw,28px)}.pl-dialog::backdrop{background-color:color-mix(in srgb, var(--primary,#00384a) 60%, transparent)}.pl-dialog--side{border-radius:12px 0 0 12px;width:min(380px,100vw);height:100%;max-height:100%;margin:0;inset-block:0;inset-inline:auto 0;overflow-y:auto}.pl-dialog--full{text-align:center;border:0;border-radius:0;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0}.pl-dialog--full[open]{place-content:center;justify-items:center;gap:16px;display:grid}.pl-dialog--full .pl-dialog__heading{letter-spacing:-.03em;font-size:clamp(2rem,4vw,3rem);font-weight:400}.pl-dialog--full .pl-dialog__actions{justify-content:center}.pl-dialog__heading{letter-spacing:-.015em;margin:0 0 12px;font-size:1.5rem;font-weight:500}.pl-dialog__actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.pl-sparkline{width:100%;height:48px;display:block;overflow:visible}.pl-sparkline__area{fill:color-mix(in srgb, var(--primary) 14%, transparent);stroke:none}.pl-sparkline__line{fill:none;stroke:var(--primary);stroke-width:2px;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}.pl-calendar{gap:12px;display:grid}.pl-calendar__head{justify-content:space-between;align-items:center;gap:12px;display:flex}.pl-calendar__nav{gap:4px;display:flex}.pl-calendar__step{width:36px;height:36px;color:var(--ink);cursor:pointer;transition:background-color var(--pl-motion-state) var(--pl-ease);background:0 0;border:0;border-radius:999px;place-items:center;display:inline-grid}.pl-calendar__step:hover{background-color:var(--surface-quiet)}.pl-calendar__grid{border-collapse:collapse;table-layout:fixed;text-align:center;width:100%}.pl-calendar__grid th{color:var(--ink-muted);padding-bottom:6px;font-size:.8125rem;font-weight:400}.pl-calendar__grid td{padding:3px 0}.pl-calendar__day{font-variant-numeric:tabular-nums;border-radius:10px;place-items:center;width:36px;height:36px;display:inline-grid;position:relative}.pl-calendar__day--outside{color:var(--ink-muted)}.pl-calendar__day--practised:after,.pl-calendar__day--kept:after{content:"";box-sizing:border-box;border-radius:999px;width:6px;height:6px;margin-left:-3px;position:absolute;bottom:3px;left:50%}.pl-calendar__day--practised:after{background-color:var(--primary)}.pl-calendar__day--kept:after{border:1.5px solid var(--primary)}.pl-calendar__day--test{box-shadow:inset 0 0 0 2px var(--primary);font-weight:600}.pl-calendar__day--today{background-color:var(--primary);color:var(--on-deep);font-weight:600}.pl-calendar__day--today.pl-calendar__day--practised:after{background-color:var(--on-deep)}.pl-calendar__day--today.pl-calendar__day--kept:after{border-color:var(--on-deep)}.pl-calendar__legend{color:var(--ink-muted);flex-wrap:wrap;gap:6px 16px;margin:0;padding:0;font-size:.8125rem;list-style:none;display:flex}.pl-calendar__legend li{align-items:center;gap:6px;display:inline-flex}.pl-calendar__swatch{box-sizing:border-box;border-radius:999px;width:10px;height:10px;display:inline-block}.pl-calendar__swatch--practised{background-color:var(--primary)}.pl-calendar__swatch--kept{border:1.5px solid var(--primary)}.pl-calendar__swatch--test{box-shadow:inset 0 0 0 2px var(--primary);border-radius:3px}@media (forced-colors:active){.pl-calendar__day--today{outline:2px solid highlight}.pl-calendar__day--practised:after,.pl-calendar__swatch--practised{forced-color-adjust:none;background-color:canvastext}}.pl-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.pl-toast{background-color:var(--surface)}.pl-working{align-items:center}.pl-working__dots{flex:none;align-items:center;gap:6px;min-height:24px;display:inline-flex}.pl-working__dot{width:8px;height:8px;animation:pl-working-bounce var(--pl-motion-celebrate) var(--pl-ease) infinite alternate;background-color:currentColor;border-radius:50%}.pl-working__dot:nth-child(2){animation-delay:var(--pl-motion-state)}.pl-working__dot:nth-child(3){animation-delay:var(--pl-motion-panel)}@keyframes pl-working-bounce{0%{transform:none}to{transform:translateY(-6px)}}.pl-working__elapsed{font-variant-numeric:tabular-nums;color:var(--ink-muted);margin:4px 0 0}.pl-mascot{display:block}.pl-celebrate{animation:pl-celebrate-in var(--pl-motion-celebrate) var(--pl-ease-spring)}@keyframes pl-celebrate-in{0%{transform:scale(.6)rotate(-8deg)}to{transform:none}}.pl-streak{align-items:center;gap:8px;font-weight:600;display:inline-flex}.pl-streak-flame{flex:none;display:block}.pl-streak-flame--lit{transform-origin:50% 100%;animation:pl-flame-settle var(--pl-motion-celebrate) var(--pl-ease-spring)}@keyframes pl-flame-settle{0%{transform:scale(.7)}to{transform:none}}
@font-face{font-family:Serif Fallback;src:local(Times New Roman),local(Liberation Serif),local(Tinos);ascent-override:87.45%;descent-override:28.28%;line-gap-override:0%;size-adjust:118.46%}*,:before,:after{box-sizing:border-box}html{height:100%}body{background:var(--bg);min-height:100%;color:var(--ink);font-family:var(--font-serif,"Source Serif 4"), "Serif Fallback", Georgia, serif;text-wrap:pretty;-webkit-font-smoothing:antialiased;flex-direction:column;margin:0;font-size:1rem;line-height:1.55;display:flex}:where(h1,h2,h3,.pl-dialog__heading):not(:where(.landing *)){font-family:inherit}:where(h2):not(:where(.landing *)){letter-spacing:-.015em;font-weight:500;line-height:1.15}:where(h3):not(:where(.landing *)){font-weight:600;line-height:1.25}:where(a):not(:where(.landing *)){color:var(--link);text-underline-offset:3px}:where(a:hover):not(:where(.landing *)){color:var(--primary)}.app-skip-link{left:var(--space-2,.5rem);top:var(--space-2,.5rem);z-index:100;background:var(--surface);color:var(--ink);transition:transform var(--pl-motion-state) var(--pl-ease);border-radius:8px;padding:.5rem .75rem;position:absolute;transform:translateY(-150%)}.app-skip-link:focus{transform:translateY(0)}.app-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding:16px clamp(20px,4vw,56px);display:flex}.app-header__brand{letter-spacing:-.02em;min-height:2.75rem;color:var(--ink);align-items:center;font-size:1.75rem;font-weight:600;text-decoration:none;display:inline-flex}.app-header__brand:hover{color:var(--ink)}.app-header__nav{background:var(--surface-quiet);border-radius:999px;flex-wrap:wrap;gap:2px;padding:5px;font-size:.9375rem;display:flex}.app-header__tools{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.app-header__link,.app-lang-toggle{min-width:2.5rem;min-height:2.5rem;color:var(--ink);font:inherit;cursor:pointer;transition:background-color var(--pl-motion-state) var(--pl-ease);background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;padding:0 18px;text-decoration:none;display:inline-flex}.app-header__link:hover{color:var(--ink);background:color-mix(in srgb, var(--surface) 55%, transparent)}.app-header__link[aria-current=page]{background:var(--surface);font-weight:600}.app-lang-toggle{background:var(--surface);padding:0 16px;font-size:.875rem}.app-lang-toggle:hover{color:var(--ink);background:var(--surface-tint)}.app-sync-status{min-height:2.5rem;color:var(--ink-muted);align-items:center;gap:8px;padding:0 .25rem;font-size:.875rem;text-decoration:none;display:inline-flex}.app-sync-status:hover{color:var(--ink)}.app-sync-status__dot{background:var(--rule);border-radius:999px;width:8px;height:8px}.app-sync-status--on .app-sync-status__dot,.app-sync-status--synced .app-sync-status__dot{background:var(--accent)}.app-sync-status--syncing .app-sync-status__dot{background:var(--primary)}.app-main{flex:1;width:100%;max-width:760px;margin:0 auto;padding:clamp(32px,5vw,64px) clamp(20px,4vw,32px) clamp(56px,8vw,104px)}.app-main:has(.app-wide){max-width:1160px}.app-main:has(.app-island){min-height:100vh}.app-main:focus{outline:none}.app-hero__title{letter-spacing:-.035em;color:var(--ink);margin:0 0 1rem;font-size:clamp(2.5rem,5vw,4rem);font-weight:400;line-height:1.02}.app-hero__tagline{color:var(--ink-soft);max-width:46ch;margin:0 0 1.5rem;font-size:1.125rem}.app-prose>*+*{margin-top:1rem}.app-footer{background:var(--primary);color:var(--on-deep);padding:clamp(40px,5vw,64px) clamp(20px,4vw,56px) 0;position:relative;overflow:hidden}.app-footer__inner{flex-direction:column;gap:28px;display:flex}.app-footer .app-nonaffiliation{max-width:62ch;color:var(--on-deep-muted);font-size:.9375rem;line-height:1.6}.app-footer__links>.app-link{min-height:2.75rem;color:var(--on-deep);font-size:1rem;text-decoration:underline}.app-footer__links>.app-link:hover{color:var(--surface-tint)}.app-footer .pl-focusable:focus-visible{outline-color:var(--on-deep)}.app-footer__wordmark{letter-spacing:-.05em;text-transform:uppercase;color:color-mix(in srgb, var(--on-deep) 10%, transparent);-webkit-user-select:none;user-select:none;pointer-events:none;margin:24px 0 -.22em;font-size:clamp(96px,22vw,320px);font-weight:600;line-height:1}.app-footer__wordmark:before{content:attr(data-wordmark)}.app-nonaffiliation{color:var(--ink-muted);margin:0;font-size:.875rem}.app-nonaffiliation--inline{background:var(--surface-quiet);color:var(--ink-soft);border-radius:12px;padding:16px 20px;font-size:.9375rem;line-height:1.55}.app-stack{gap:1rem;display:grid}.app-muted{color:var(--ink-muted);margin:0}.app-actions{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.app-link{color:var(--link);align-items:center;min-height:2.75rem;display:inline-flex}.app-fieldset{border:0;gap:.75rem;margin:0;padding:0;display:grid}.app-fieldset>legend{margin-bottom:1rem;padding:0}.app-step-heading{letter-spacing:-.015em;margin:0;font-size:clamp(1.5rem,2.6vw,1.875rem);font-weight:500;line-height:1.15}.app-step-heading:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-stepper{align-items:center;gap:14px;font-size:.8125rem;display:flex}.app-stepper__bar{flex:1;gap:6px;max-width:200px;display:flex}.app-stepper__segment{background:color-mix(in srgb, var(--ink) 15%, transparent);border-radius:2px;flex:1;height:4px}.app-stepper__segment--done{background:var(--primary)}.app-choice input[type=radio],.app-segmented__option input[type=radio]{appearance:none;border:2px 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