.rt-landing{--rtc-ac:var(--accent-fire-solid);--rtc-ac-ink:var(--accent-foreground);--rtc-ac-text:var(--accent-fire-text);--rtc-ac-soft:color-mix(in oklab,var(--accent-fire-solid) 18%,transparent);--rtc-warn:color-mix(in oklab,var(--accent-gold) 62%,var(--accent-white));--rtc-radius-tile:10px;--rtc-radius-card:16px;--rtc-font-num:var(--font-oswald),var(--font-noto),sans-serif;position:relative;width:100%;margin:0 auto;padding:4px clamp(1rem,3.2vw,6rem) 3rem;container:rtc/inline-size;color:var(--text-main);line-height:1.6}.rtc-head{display:flex;flex-direction:column;margin-bottom:12px}.rtc-back{align-self:flex-start;display:inline-flex;align-items:center;gap:2px;min-height:44px;color:var(--text-dim);font-size:14px;text-decoration:none}.rtc-back:hover{color:var(--accent-white)}.rtc-back svg{width:18px;height:18px}.rtc-head__row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.rtc-head__title{margin:0;font-size:24px;font-weight:700;line-height:1.3;color:var(--accent-white);text-wrap:balance}.rtc-main,.rtc-side{min-width:0;gap:14px}.rtc-card,.rtc-main,.rtc-side{display:flex;flex-direction:column}.rtc-card{gap:18px;padding:18px 16px;border:1px solid var(--border);border-radius:var(--rtc-radius-card);background:var(--bg-card);box-shadow:var(--shadow-card)}.rtc-step{display:flex;flex-direction:column;gap:10px}.rtc-step--ruled{padding-top:16px;border-top:1px solid var(--border)}.rtc-step__head{display:flex;align-items:center;gap:10px}.rtc-step__num{display:grid;place-items:center;width:24px;height:24px;flex:0 0 auto;border-radius:50%;background:var(--rtc-ac-soft);color:var(--rtc-ac-text);font-size:13px;font-weight:700}.rtc-step__title{margin:0}.rtc-step__title,.rtc-total{font-size:15px;font-weight:700;color:var(--accent-white)}.rtc-total{margin-left:auto}.rtc-terms{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px}.rtc-sources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.rtc-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:52px;padding:6px 8px;border:1px solid var(--border-strong);border-radius:var(--rtc-radius-tile);background:var(--bg-card);color:var(--accent-white);font-family:inherit;line-height:1.3;cursor:pointer}.rtc-tile--source{min-height:56px;gap:2px;padding-inline:6px}.rtc-tile:hover:not(:disabled):not([aria-pressed=true]){background:var(--bg-card-hover)}.rtc-tile[aria-pressed=true]{border-color:var(--rtc-ac);background:var(--rtc-ac);color:var(--rtc-ac-ink)}.rtc-tile:disabled{border-style:dashed;background:transparent;color:var(--text-dim);opacity:.55;cursor:not-allowed}.rtc-tile__name{font-size:14px;font-weight:700}.rtc-tile__name--lg{font-size:15px}.rtc-tile__sub{font-size:11px;font-weight:500;white-space:nowrap;opacity:.85}.rtc-note{margin:0;font-size:12px;color:var(--text-dim)}.rtc-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.rtc-preset{display:flex;align-items:center;justify-content:center;gap:6px;min-height:44px;border:1px solid var(--border-strong);border-radius:var(--rtc-radius-tile);background:var(--bg-card);color:var(--accent-white);font-family:inherit;cursor:pointer}.rtc-preset:hover:not([aria-pressed=true]){background:var(--bg-card-hover)}.rtc-preset[aria-pressed=true]{border-color:var(--rtc-ac);background:var(--rtc-ac);color:var(--rtc-ac-ink)}.rtc-preset__n{font-size:15px;font-weight:700}.rtc-preset__sub{font-size:11px;opacity:.85}.rtc-rows{display:flex;flex-direction:column}.rtc-rows--ruled{border-top:1px solid var(--border)}.rtc-row{display:flex;align-items:center;gap:8px;min-height:56px;padding:4px 0;border-bottom:1px solid var(--border)}.rtc-row[data-empty=true]{opacity:.5}.rtc-row__text{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}.rtc-row__label{display:flex;align-items:baseline;gap:6px}.rtc-row__name{font-size:14px;font-weight:700;color:var(--text-main)}.rtc-row__name[data-active=true]{color:var(--accent-white)}.rtc-row__sub{font-size:11px;color:var(--text-dim)}.rtc-row__ratio{font-size:12px;color:var(--text-dim)}.rtc-row__short{font-size:12px;font-weight:700;color:var(--rtc-warn)}.rtc-stepper{display:flex;align-items:center;gap:8px}.rtc-stepbtn{display:grid;place-items:center;width:44px;height:44px;flex:0 0 auto;padding:0;border:1px solid var(--border-strong);border-radius:var(--rtc-radius-tile);background:var(--bg-card-hover);color:var(--accent-white);cursor:pointer}.rtc-stepbtn svg{width:18px;height:18px}.rtc-stepbtn:hover:not(:disabled){background:var(--bg-card-active)}.rtc-stepbtn:disabled{opacity:.35;cursor:not-allowed}.rtc-count{min-width:30px;text-align:center;font-family:var(--rtc-font-num);font-size:20px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--accent-white)}.rtc-count[data-zero=true]{color:var(--text-dim)}.rtc-more{display:flex;flex-direction:column}.rtc-more__toggle{display:flex;align-items:center;gap:8px;width:100%;min-height:48px;padding:4px 0;border:0;background:none;font-family:inherit;text-align:left;cursor:pointer}.rtc-more__text{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}.rtc-more__title{font-size:13px;font-weight:700;color:var(--rtc-ac-text)}.rtc-more__summary{font-size:12px;color:var(--text-dim)}.rtc-chevron{width:16px;height:16px;flex:0 0 auto;color:var(--rtc-ac-text)}.rtc-chevron[data-open=true]{transform:rotate(180deg)}.rtc-unsup{margin:0;font-size:11px;line-height:1.5;color:var(--text-dim);text-wrap:pretty}.rtc-collapse{overflow:hidden}.rtc-collapse__inner{padding:5px;margin:-5px}.rtc-start{gap:8px}.rtc-start,.rtc-start__btn{display:flex;flex-direction:column}.rtc-start__btn{align-items:stretch;gap:14px;width:100%;padding:18px 20px;border:0;border-radius:var(--rtc-radius-card);background:var(--rtc-ac);color:var(--rtc-ac-ink);box-shadow:var(--shadow-card);font-family:inherit;text-align:left;cursor:pointer}.rtc-start__btn:hover:not(:disabled){background:var(--accent-fire-active)}.rtc-start__btn:disabled{background:var(--bg-card-active);color:var(--text-dim);box-shadow:none;cursor:not-allowed}.rtc-start__info{display:flex;flex-direction:column;gap:4px;min-width:0}.rtc-start__summary{font-size:16px;font-weight:700;line-height:1.4}.rtc-start__breakdown{font-size:13px;font-weight:500;line-height:1.4;opacity:.9}.rtc-start__cta{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:var(--rtc-radius-tile);background:color-mix(in oklab,var(--rtc-ac-ink) 16%,transparent);font-size:17px;font-weight:700;white-space:nowrap}.rtc-start__btn:disabled .rtc-start__cta{background:transparent}.rtc-start__cta svg{width:20px;height:20px}.rtc-start__gap,.rtc-start__warn{margin:0;text-align:center;font-size:12px}.rtc-start__gap{font-weight:700;color:var(--rtc-warn)}.rtc-start__warn{color:var(--rtc-ac-text)}.rtc-details{border:1px solid var(--border);border-radius:var(--rtc-radius-card);background:var(--bg-card)}.rtc-details__toggle{display:flex;align-items:center;gap:12px;width:100%;min-height:56px;padding:10px 16px;border:0;background:none;font-family:inherit;text-align:left;cursor:pointer}.rtc-details__toggle .rtc-chevron{width:18px;height:18px;color:var(--text-dim)}.rtc-details__text{flex:1;display:flex;flex-direction:column;line-height:1.35}.rtc-details__title{font-size:14px;font-weight:700;color:var(--accent-white)}.rtc-details__sub{font-size:12px;color:var(--text-dim)}.rtc-details__body{gap:16px;padding:12px 16px 18px;border-top:1px solid var(--border)}.rtc-details__body,.rtc-field{display:flex;flex-direction:column}.rtc-field{gap:6px}.rtc-field__label{font-size:13px;font-weight:700;color:var(--accent-white)}.rtc-field__input{min-height:44px;padding:0 12px;border:1px solid var(--border-strong);border-radius:var(--rtc-radius-tile);background:var(--bg-deep);color:var(--accent-white);font-family:inherit;font-size:16px}.rtc-field__input::placeholder{color:var(--text-dim)}.rtc-group{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:6px 8px}.rtc-group>.rtc-group__head{grid-column:1/-1}.rtc-group__head{display:flex;align-items:center;justify-content:space-between;gap:8px}.rtc-group__text{display:flex;flex-direction:column;line-height:1.3}.rtc-group__name{font-size:13px;font-weight:700;color:var(--accent-white)}.rtc-group__meta{font-size:11px;color:var(--text-dim)}.rtc-group__toggle{min-height:44px;padding:0 4px;border:0;background:none;color:var(--rtc-ac-text);font-size:12px}.rtc-group__toggle,.rtc-lesson{font-family:inherit;cursor:pointer}.rtc-lesson{display:flex;align-items:center;gap:10px;width:100%;min-height:48px;padding:6px 12px;border:1px solid var(--border);border-radius:var(--rtc-radius-tile);background:var(--bg-card-hover);text-align:left}.rtc-lesson:hover{border-color:var(--border-strong)}.rtc-lesson[data-selected=true]{border-color:var(--rtc-ac);background:var(--rtc-ac-soft);box-shadow:inset 0 0 0 1px var(--rtc-ac)}.rtc-lesson[data-selected=true] .rtc-lesson__meta{color:var(--rtc-ac-text)}.rtc-lesson__title{flex:1;min-width:0;font-size:14px;color:var(--text-dim)}.rtc-lesson[data-selected=true] .rtc-lesson__title{color:var(--accent-white);font-weight:700}.rtc-lesson__meta{font-size:12px;color:var(--text-dim);white-space:nowrap}.rtc-teacher{display:flex;flex-wrap:wrap;gap:8px;padding-top:4px;border-top:1px dashed var(--border-strong)}.rtc-teacher__btn{min-height:44px;padding:0 16px;border:1px solid var(--border-strong);border-radius:var(--rtc-radius-tile);background:var(--bg-card);color:var(--accent-white);font-family:inherit;font-size:13px;font-weight:700;cursor:pointer}.rtc-teacher__btn:disabled{opacity:.45;cursor:not-allowed}.rtc-recent{min-width:0;display:flex;flex-direction:column;gap:4px}.rtc-recent__head{display:flex;align-items:baseline;justify-content:space-between}.rtc-recent__title{margin:0;font-size:15px;font-weight:700;color:var(--accent-white)}.rtc-recent__col{font-size:12px;color:var(--text-dim)}.rtc-recent__list{margin:0;padding:0;list-style:none}.rtc-recent__row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.rtc-recent__text{flex:1;min-width:0;line-height:1.4}.rtc-recent__name{overflow:hidden;font-size:14px;color:var(--accent-white);text-overflow:ellipsis;white-space:nowrap}.rtc-recent__date{font-size:12px;color:var(--text-dim)}.rtc-recent__score{font-family:var(--rtc-font-num);font-size:16px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--accent-white)}.rtc-recent__all,.rtc-recent__score[data-high=true]{color:var(--rtc-ac-text)}.rtc-recent__all{display:inline-flex;align-items:center;align-self:flex-start;min-height:44px;font-size:13px;text-decoration:none}.rtc-recent__all:hover{text-decoration:underline}.rtc-pool-error{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:12px 16px;border:1px solid color-mix(in oklab,#d83a3a 40%,var(--border));border-radius:var(--rtc-radius-card);background:color-mix(in oklab,#d83a3a 8%,var(--bg-card))}.rtc-pool-error__text{margin:0;font-size:13px;line-height:1.5;color:var(--text-main)}.rtc-pool-error__retry{flex-shrink:0;min-height:44px;padding:0 16px;border:1px solid var(--border-strong);border-radius:var(--rtc-radius-tile);background:var(--bg-card);color:var(--accent-white);font-family:inherit;font-size:13px;font-weight:700;cursor:pointer}.rt-landing :is(button,a,input):focus-visible{outline:2px solid var(--accent-fire);outline-offset:2px}@media (min-width:768px){.rt-landing{padding-inline:2rem;padding-bottom:4rem}.rtc-card{padding:22px 20px}}@container rtc (min-width: 880px){.rtc-main{gap:20px}.rtc-terms{grid-template-columns:repeat(auto-fit,minmax(0,1fr));grid-auto-flow:column}.rtc-sources{grid-template-columns:repeat(4,minmax(0,1fr))}.rtc-tile--term{min-height:56px}.rtc-start__btn{flex-direction:row;align-items:center;justify-content:space-between;gap:24px;padding:20px 24px 20px 28px}.rtc-start__summary{font-size:18px}.rtc-start__breakdown{font-size:14px}.rtc-start__cta{flex:0 0 auto;min-width:260px;min-height:56px;font-size:18px}}@container rtc (min-width: 1400px){.rtc-main{gap:24px}.rtc-card:has(>.rtc-step:nth-child(3)){display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:1fr 1fr;align-items:stretch;column-gap:32px;row-gap:18px;padding:24px 28px}.rtc-card:has(>.rtc-step:nth-child(3)) .rtc-sources,.rtc-card:has(>.rtc-step:nth-child(3)) .rtc-terms{flex:1;grid-auto-rows:1fr}.rtc-card:has(>.rtc-step:nth-child(3)) .rtc-tile{min-height:64px}.rtc-card:has(>.rtc-step:nth-child(3)) .rtc-tile__name{font-size:15px}.rtc-card:has(>.rtc-step:nth-child(3)) .rtc-tile__name--lg{font-size:17px}.rtc-card:has(>.rtc-step:nth-child(3)) .rtc-tile__sub{font-size:12px}.rtc-card:has(>.rtc-step:nth-child(3))>.rtc-step:nth-child(3){grid-column:2;grid-row:1/span 2;padding-top:0;padding-left:32px;border-top:0;border-left:1px solid var(--border)}}@container rtc (min-width: 2000px){.rtc-main{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);align-items:start;gap:24px 32px}.rtc-side{display:contents}.rtc-pool-error,.rtc-recent,.rtc-start{grid-column:1/-1}.rtc-card{grid-column:1}.rtc-details{grid-column:2;grid-row:span 1}}@container rtc (min-width: 2600px){.rtc-head,.rtc-main{zoom:1.2}}@container rtc (min-width: 3200px){.rtc-head,.rtc-main{zoom:1.4}}
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