/* Adaptive learning follows the existing cream/red workspace palette. */
.learn-root{min-width:0}.learn-heading{margin-top:26px}.learn-tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);overflow:auto;padding:0 0 14px}.learn-tabs a{white-space:nowrap;color:var(--ink-muted,var(--ink-2));text-decoration:none;font-size:.87em}.learn-tabs a.current{color:var(--red-dark,var(--violet));font-weight:700}.learn-tabs a.current:after{content:'';display:block;height:2px;background:currentColor;transform:translateY(15px)}.learn-status:empty{display:none}.learn-status{font-size:.78em;color:var(--ink-muted,var(--ink-2));min-height:1.4em}.learn-status.error{color:var(--bad,#B93F38)}.learn-paper,.learn-mistake{padding:28px;background:var(--paper);border:1px solid var(--line);border-radius:5px;min-width:0}.learn-paper h2,.learn-mistake h2{font:600 25px/1.25 var(--f-display);letter-spacing:-.5px}.learn-list{display:grid;gap:18px}.learn-empty{padding:26px;border:1px dashed var(--line);border-radius:4px;color:var(--ink-muted,var(--ink-2));background:var(--cream,var(--surface-2))}.learn-empty h2{color:var(--ink);font-size:23px;line-height:1.2;margin-bottom:12px}.learn-empty p{font-size:.87em;line-height:1.7}.learn-note{font-size:.78em;line-height:1.65;color:var(--ink-muted,var(--ink-2));margin:16px 0}.learn-answer{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;padding:18px 20px;background:var(--cream,var(--surface-2));border-left:2px solid var(--red-dark,var(--violet));margin:18px 0;font-size:.9em}.learn-answer .ws-key{display:block;margin-bottom:7px}.learn-mistake-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:18px}.learn-mistake-top time{font:500 .65em var(--f-mono);color:var(--ink-muted,var(--ink-2))}.learn-classification{display:grid;gap:8px;margin:20px 0;max-width:360px;font-size:.8em}.learn-classification select{width:100%}.learn-mistake .ws-actions{gap:10px 16px}.learn-event{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;padding:21px 0;border-bottom:1px solid var(--line);font-size:.82em;min-width:0}.learn-event>div{min-width:0;overflow-wrap:anywhere}.learn-event h3{font-size:1.05em;line-height:1.5;margin:8px 0}.learn-event p{line-height:1.6}.learn-event .btn{flex-shrink:0}.learn-state{display:inline-block;font:500 .62em/1.5 var(--f-mono);letter-spacing:.04em;padding:5px 8px;border:1px solid var(--line);background:var(--cream,var(--surface-2));color:var(--ink-muted,var(--ink-2))}.learn-concept-row{display:flex;justify-content:space-between;gap:24px;padding:24px 0;border-bottom:1px solid var(--line);min-width:0}.learn-concept-row>div{min-width:0}.learn-concept-row h2{font:600 26px var(--f-display);margin:14px 0}.learn-concept-row h2 a{color:var(--ink);text-decoration:none}.learn-concept-side{display:flex;flex-direction:column;align-items:flex-end;gap:7px;flex-shrink:0}.learn-concept-side strong{font:600 38px var(--f-display)}.learn-concept-side a{font-size:.73em}.learn-concept-detail{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.3fr);gap:32px}.learn-concept-detail>section>h2{font:600 25px var(--f-display);margin-bottom:12px}.learn-concept-detail .learn-paper>h2{margin-top:28px}.learn-facts p{padding:10px 0;border-bottom:1px solid var(--line);font-size:.85em}.learn-facts strong{font:600 25px var(--f-display);margin-right:12px}.learn-next{padding:32px 36px 24px;background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--red-dark,var(--violet));border-radius:5px;margin-bottom:38px}.learn-next-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.learn-budget{display:flex;flex-wrap:wrap;align-items:center;gap:5px}.learn-budget .btn{font:500 .68em var(--f-mono);text-transform:uppercase;padding:9px 12px}.learn-budget .btn[aria-pressed=true]{background:var(--red-dark,var(--violet));border-color:var(--red-dark,var(--violet));color:white}.learn-custom{display:flex;align-items:center;gap:7px;margin-left:5px;font:500 .62em var(--f-mono);text-transform:uppercase;color:var(--ink-muted,var(--ink-2))}.learn-custom input{width:48px;background:transparent;color:var(--ink);border:1px solid var(--line);padding:7px 3px;font:inherit;min-width:0}.learn-next h2{font:600 clamp(34px,3.8vw,59px)/1.05 var(--f-display);letter-spacing:-2px;max-width:640px;margin:28px 0 26px}.learn-next h2 em{font-style:italic;color:var(--red-dark,var(--violet))}.learn-plan-counts{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:15px 26px;font-size:.88em}.learn-plan-counts strong{font:600 28px var(--f-display);margin-right:5px}.learn-estimate{font:500 .7em var(--f-mono);color:var(--ink-muted,var(--ink-2));margin:20px 0}.learn-next .ws-primary{padding:13px 25px;font-size:.88em}.learn-next-foot{border-top:1px solid var(--line);padding-top:18px;margin-top:24px;color:var(--ink-muted,var(--ink-2));font-size:.68em;line-height:1.7}.learn-shortages{max-width:700px;color:var(--ink-muted,var(--ink-2));font-size:.75em;line-height:1.6;margin:16px 0}.learn-today-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px 36px}.learn-today-grid>section{min-width:0}.learn-today-count{font-size:.9em;line-height:1.6;margin:18px 0}.learn-today-count strong{font:600 36px var(--f-display);margin-right:8px}.learn-due-row{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding:13px 0;font-size:.84em}.learn-due-row .btn{flex-shrink:0}.learn-continue{display:block;padding:19px 0;border-bottom:1px solid var(--line);font:600 21px var(--f-display);text-decoration:none;color:var(--ink)}.learn-today-item{padding:17px 0;border-bottom:1px solid var(--line)}.learn-today-item h3{font-size:.92em;line-height:1.6;margin-bottom:8px}.learn-today-item .ws-muted{font-size:.78em;line-height:1.6}.learn-today-item .btn{margin-top:10px}.learn-fresh-layout,.learn-prerequisite-layout{display:grid;grid-template-columns:1fr 1fr;gap:26px}.learn-check{padding:20px 0;border-bottom:1px solid var(--line)}.learn-check h3{margin:9px 0;font-size:.98em;line-height:1.6}.learn-check p{font-size:.8em;line-height:1.6;margin:12px 0}.learn-cram-entry{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:28px 0;margin-top:18px;border-top:1px solid var(--line)}.learn-cram-entry h2{font:600 27px var(--f-display)}.learn-cram-entry p{font-size:.85em;margin-top:8px}.learn-cram-entry .btn{flex-shrink:0}.learn-session{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(240px,1fr);gap:34px}.learn-session-main{padding:36px;background:var(--paper);border:1px solid var(--line);border-radius:5px}.learn-session-main h2{font:600 32px/1.35 var(--f-display);margin:20px 0;overflow-wrap:anywhere}.learn-reason{display:block;width:max-content;max-width:100%;margin-top:18px;padding:7px 10px;background:var(--cream,var(--surface-2));font:500 .7em var(--f-mono);color:var(--red-dark,var(--violet))}.learn-session-order h2{font:600 25px var(--f-display);margin-bottom:18px}.learn-session-order ol{list-style:none;padding:0;margin:0;counter-reset:learn-item}.learn-session-order li{counter-increment:learn-item;padding:16px 0 16px 30px;border-bottom:1px solid var(--line);position:relative}.learn-session-order li:before{content:counter(learn-item,decimal-leading-zero);position:absolute;left:0;top:16px;font:500 .66em var(--f-mono);color:var(--ink-muted,var(--ink-2))}.learn-session-order li[aria-current=step]{border-left:2px solid var(--red-dark,var(--violet));padding-left:38px}.learn-session-order li[aria-current=step]:before{left:8px;color:var(--red-dark,var(--violet))}.learn-session-order p{font-size:.8em;line-height:1.6;margin:7px 0}.learn-session-order small{font-size:.7em;color:var(--ink-muted,var(--ink-2))}.learn-repair{display:grid;grid-template-columns:minmax(180px,.5fr) minmax(0,1.5fr);gap:32px}.learn-repair-steps{padding:0;margin:0;list-style:none}.learn-repair-steps li{display:flex;align-items:center;gap:10px;padding:17px 0;border-bottom:1px solid var(--line);font-size:.8em}.learn-repair-steps li span{font:500 .8em var(--f-mono);color:var(--ink-muted,var(--ink-2))}.learn-repair-steps li[aria-current=step]{font-weight:700;color:var(--red-dark,var(--violet))}.learn-repair-body h2{font-size:31px;margin:15px 0 20px}.learn-repair-body h3{font-size:1em;line-height:1.65;overflow-wrap:anywhere}.learn-repair-controls{border-top:1px solid var(--line);padding-top:24px;margin-top:28px}.learn-prerequisite-layout{grid-template-columns:minmax(0,1.3fr) minmax(260px,1fr)}.learn-prerequisite-layout>section>h2{margin:28px 0 16px;font:600 27px var(--f-display)}.learn-prerequisite-layout form{display:grid;gap:18px;margin-top:20px}.learn-prerequisite-layout form>label:not(.ws-inline){display:grid;gap:8px;font-size:.82em}.learn-prerequisite-layout .field{width:100%;min-width:0}.learn-suggestion{margin-bottom:20px}.learn-suggestion h3{font-size:.84em;margin:20px 0 10px}.learn-suggestion>p{font-size:.86em;line-height:1.7}.learn-edge{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:19px 0;border-bottom:1px solid var(--line);font-size:.8em}.learn-edge strong{line-height:1.6}.learn-edge p{margin:10px 0;line-height:1.6}.learn-edge .btn{flex-shrink:0}.learn-progress-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.learn-progress-link{display:flex;flex-direction:column;gap:16px;padding:25px;background:var(--paper);border:1px solid var(--line);border-radius:5px;color:var(--ink);text-decoration:none;min-width:0}.learn-progress-link strong{font:600 55px var(--f-display);letter-spacing:-1.6px}.learn-progress-link>span:last-child{display:flex;justify-content:space-between;gap:8px;font-size:.72em;color:var(--ink-muted,var(--ink-2))}.learn-progress-link:hover{border-color:var(--red-dark,var(--violet))}.learn-progress-statements{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:30px 0;padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.learn-progress-statements p{font-size:.87em;line-height:1.6}.learn-progress-statements strong{font:600 27px var(--f-display);margin-right:8px}.learn-confidence{border:1px solid var(--line);padding:15px 18px;border-radius:4px;margin:20px 0;min-width:0}.learn-confidence legend{font-size:.78em;font-weight:600;padding:0 5px}.learn-confidence legend span{font-weight:400;color:var(--ink-muted,var(--ink-2));margin-left:8px}.learn-confidence [role=group]{display:flex;flex-wrap:wrap;gap:8px}.learn-confidence button[aria-pressed=true]{color:var(--red-dark,var(--violet));border-color:currentColor;background:var(--cream,var(--surface-2))}.learn-confidence p{font-size:.68em!important;line-height:1.6;margin:10px 0 0;color:var(--ink-muted,var(--ink-2))}.learn-return{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);margin-bottom:20px;font-size:.7em;color:var(--ink-muted,var(--ink-2))}.learn-preference{padding:22px 0;border-top:1px solid var(--line);margin-top:22px}.learn-preference p{font-size:.8em;margin-top:10px}.learn-root a:focus-visible,.learn-next button:focus-visible,.learn-confidence button:focus-visible,.learn-return button:focus-visible{outline:3px solid var(--red-dark,var(--violet));outline-offset:4px}
@media(max-width:1279px){.learn-next-top{display:block}.learn-budget{margin-top:17px}.learn-next{padding:28px}.learn-session-main{padding:28px}.learn-progress-link{padding:22px}}
@media(max-width:1024px){.learn-concept-detail,.learn-session,.learn-prerequisite-layout{grid-template-columns:1fr}.learn-prerequisite-layout>aside{max-width:620px}.learn-session-order ol{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.learn-repair{grid-template-columns:180px minmax(0,1fr)}.learn-fresh-layout{gap:18px}.learn-paper,.learn-mistake{padding:24px}}
@media(max-width:768px){.learn-heading{margin-top:22px}.learn-tabs{gap:22px;padding-bottom:13px}.learn-tabs a{font-size:.82em}.learn-next{padding:24px;margin-bottom:30px}.learn-next h2{font-size:45px;margin:23px 0;letter-spacing:-1.4px}.learn-budget{gap:6px}.learn-budget .btn{padding:9px 10px;font-size:.64em}.learn-custom{margin-left:0}.learn-today-grid{grid-template-columns:1fr;gap:30px}.learn-plan-counts{gap:10px 22px}.learn-plan-counts li{font-size:.9em}.learn-fresh-layout{grid-template-columns:1fr}.learn-repair{grid-template-columns:1fr;gap:20px}.learn-repair-steps{display:flex;overflow:auto;gap:15px}.learn-repair-steps li{flex:0 0 150px;align-items:flex-start;font-size:.73em;padding:12px 0}.learn-repair-steps li[aria-current=step]{border-bottom:2px solid currentColor}.learn-session-order ol{grid-template-columns:1fr}.learn-progress-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.learn-progress-link{padding:20px}.learn-progress-link strong{font-size:47px}.learn-progress-statements{grid-template-columns:1fr}.learn-mistake-top{display:block}.learn-mistake-top time{display:block;margin-top:8px}.learn-event{display:block}.learn-event>.btn{display:inline-block;margin-top:12px}.learn-concept-row{gap:14px}.learn-concept-row h2{font-size:24px}.learn-concept-side{width:90px}.learn-concept-side strong{font-size:32px}.learn-concept-side a{font-size:.65em}.learn-cram-entry{display:block}.learn-cram-entry .btn{margin-top:18px}.learn-edge{display:block}.learn-edge .btn{margin-top:13px}.learn-paper,.learn-mistake{padding:22px}.learn-session-main{padding:24px}.learn-session-main h2{font-size:29px}.learn-repair-body h2{font-size:29px}.learn-next-foot{font-size:.65em}}
@media(max-width:430px){.learn-next{padding:22px 18px}.learn-next h2{font-size:39px;letter-spacing:-1.1px}.learn-custom input{width:44px}.learn-plan-counts{display:grid;gap:9px}.learn-plan-counts strong{font-size:27px}.learn-progress-link{padding:17px 14px}.learn-progress-link>.ws-key{font-size:.57em}.learn-progress-link>span:last-child{font-size:.65em}.learn-paper,.learn-mistake{padding:20px 17px}.learn-answer{padding:16px;font-size:.84em}.learn-mistake h2{font-size:23px}.learn-concept-row{display:block}.learn-concept-side{width:auto;flex-direction:row;align-items:center;justify-content:flex-start;margin-top:15px}.learn-concept-side a{margin-left:auto}.learn-budget .btn{font-size:.6em;padding:8px}.learn-session-main{padding:21px 18px}}
@media(max-width:359px){.learn-next h2{font-size:35px}.learn-next{padding:20px 16px}.learn-budget{gap:5px}.learn-custom{width:100%;margin:4px 0}.learn-budget .btn:last-child{margin-top:-36px;margin-left:auto}.learn-progress-link{padding:16px 12px}.learn-progress-link strong{font-size:41px}.learn-progress-link>span:last-child{display:block;line-height:1.6}.learn-confidence{padding:13px}.learn-confidence legend{line-height:1.7}}
@media(prefers-reduced-motion:reduce){.learn-root *, .learn-next *, .learn-confidence *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.learn-fsrs-policy>p{font-size:.85em;line-height:1.75;margin-top:16px}.learn-fsrs-card h2{font-size:22px;overflow-wrap:anywhere}.learn-fsrs-card>p{font-size:.82em;line-height:1.7;margin-top:14px}.learn-fsrs-outcomes{border-top:1px solid var(--line);padding-top:20px;margin-top:22px}.learn-fsrs-outcomes>summary{font-weight:600;font-size:.84em;cursor:pointer;line-height:1.6}.learn-fsrs-scroll{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:4px}.learn-fsrs-table{border-collapse:collapse;min-width:550px;width:100%;font-size:.76em;text-align:left}.learn-fsrs-table caption{text-align:left;font-size:.86em;padding:14px;color:var(--ink-muted,var(--ink-2));line-height:1.6}.learn-fsrs-table th,.learn-fsrs-table td{padding:14px;border-top:1px solid var(--line);vertical-align:top;line-height:1.6}.learn-fsrs-table thead{background:var(--cream,var(--surface-2))}.learn-fsrs-table tbody th{color:var(--red-dark,var(--violet))}.learn-fsrs-scroll:focus-visible,.learn-fsrs-outcomes>summary:focus-visible{outline:3px solid var(--red-dark,var(--violet));outline-offset:4px}