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.feature-head h2{margin:0;font-size:1.5rem;letter-spacing:-.03em}
.feature-head p{margin:.35rem 0 0;color:var(--muted);font-size:.9rem;line-height:1.45}
.feature-badge{font-size:.75rem;font-weight:850;letter-spacing:.08em;color:var(--green);background:var(--mint);border-radius:99px;padding:.5rem .7rem;white-space:nowrap}
.study-toolbar{display:flex;justify-content:space-between;align-items:center;gap:.8rem;margin-bottom:.9rem}
.study-filters{display:flex;gap:.4rem;flex-wrap:wrap}
.filter-btn{border:1px solid var(--line);background:#fff;color:#526665;padding:.6rem .8rem;border-radius:99px;font:750 .875rem inherit;cursor:pointer}
.filter-btn.active{background:var(--green);border-color:var(--green);color:#fff}
.material-count{font-size:.85rem;color:var(--muted)}
.study-library{display:grid;gap:.9rem}
.study-subject{background:#fff;border:1px solid var(--line);border-radius:1rem;overflow:hidden}
.study-subject-head{display:flex;align-items:center;gap:.7rem;padding:1rem;background:#fbfcf9;border-bottom:1px solid var(--line)}
.study-subject-mark{width:.35rem;height:2.3rem;border-radius:.5rem}
.study-subject h3{margin:0;font-size:1.05rem}
.study-subject p{margin:.2rem 0 0;font-size:.8rem;color:var(--muted)}
.study-files{padding:0 1rem}
.study-material{display:flex;align-items:center;gap:.8rem;padding:1rem 0;border-bottom:1px solid var(--line)}
.study-material:last-child{border-bottom:0}
.study-file-icon{width:2.7rem;height:2.7rem;display:grid;place-items:center;border-radius:.75rem;background:color-mix(in srgb,var(--subject-color) 12%,white);color:var(--subject-color);font-weight:900;flex:none}
.study-file-copy{flex:1;min-width:0}.study-file-title{font-size:.95rem;font-weight:820;line-height:1.35}
.study-file-meta{font-size:.8rem;color:var(--muted);margin-top:.25rem}
.study-file-actions{display:flex;gap:.4rem}.study-file-actions a{text-decoration:none}
.study-empty{padding:1.3rem;text-align:center;color:var(--muted);font-size:.9rem}
.study-guide{border-bottom:1px solid var(--line)}.study-guide:last-child{border-bottom:0}
.study-guide summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:.8rem;padding:1rem 0}
.study-guide summary::-webkit-details-marker{display:none}.study-guide summary .study-file-icon{background:color-mix(in srgb,var(--subject-color) 12%,white)}
.study-guide-open{margin-left:auto;color:var(--subject-color);font-size:.82rem;font-weight:850;white-space:nowrap}
.study-guide[open] .study-guide-open{font-size:0}.study-guide[open] .study-guide-open:after{content:'Fechar resumo';font-size:.82rem}
.guide-chapters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;padding:0 0 1rem}
.guide-chapters section{border:1px solid var(--line);border-top:.25rem solid var(--subject-color);border-radius:.75rem;padding:.9rem;background:#fbfcf9}
.guide-chapters h4{margin:0 0 .45rem;font-size:.95rem;color:var(--subject-color)}
.guide-chapters p{margin:0 0 .55rem;font-size:.875rem;line-height:1.55;color:#405453}
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.mind-map-heading{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin:1.6rem 0 .8rem}
.mind-map-heading h3{font-size:1.15rem;margin:0}.mind-map-heading p{font-size:.875rem;color:var(--muted);margin:.25rem 0 0}
.mind-map-heading>span{font-size:.8rem;color:var(--muted)}
.mind-map-library{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}
.mind-map{background:#fff;border:1px solid var(--line);border-radius:1rem;overflow:hidden}
.mind-map[open]{grid-column:1/-1;border-color:color-mix(in srgb,var(--map-color) 45%,var(--line));box-shadow:0 .65rem 1.6rem #0c30310b}
.mind-map summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:.7rem;padding:1rem}
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.mind-map summary>span:nth-child(2){display:flex;flex-direction:column;gap:.18rem;min-width:0}
.mind-map summary b{font-size:.95rem}.mind-map summary small{font-size:.78rem;color:var(--muted)}
.mind-map-open{margin-left:auto;color:var(--map-color);font-size:.8rem;font-weight:800}
.mind-map[open] .mind-map-open{font-size:0}.mind-map[open] .mind-map-open:after{content:'Fechar mapa';font-size:.8rem}
.mind-canvas{position:relative;padding:1.25rem;background:linear-gradient(135deg,#fbfcf9,#fff)}
.mind-center{width:max-content;max-width:80%;margin:0 auto 1.2rem;padding:.85rem 1.2rem;background:var(--map-color);color:#fff;border-radius:.9rem;font-size:1rem;font-weight:850;text-align:center;box-shadow:0 .45rem 1rem color-mix(in srgb,var(--map-color) 25%,transparent)}
.mind-branches{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.7rem}
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.quiz-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:.9rem}
.quiz-formats{display:flex;gap:.4rem;flex-wrap:wrap;margin:-.25rem 0 1rem}.quiz-formats span{padding:.38rem .58rem;border:1px solid #d8e6e2;border-radius:99px;background:#f8fbf9;color:#45615b;font-size:.7rem;font-weight:800}
.quiz-config{display:grid;grid-template-columns:repeat(2,1fr);gap:.65rem}
.smart-callout{margin:.9rem 0;padding:.8rem;border-radius:.7rem;background:#edf8f3;color:#315c51;font-size:.875rem;line-height:1.5}
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.quiz-start{width:100%;justify-content:center}.quiz-kpis{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin-bottom:1rem}
.quiz-kpi{padding:.85rem;border-radius:.75rem;background:#f6f8f5;display:flex;flex-direction:column}
.quiz-kpi strong{font-size:1.7rem}.quiz-kpi span{font-size:.8rem;color:var(--muted)}
.quiz-subject-stats{display:grid;gap:.7rem}.quiz-subject-stat{display:grid;grid-template-columns:1fr auto;gap:.3rem .7rem;align-items:center}
.quiz-subject-stat>div:first-child{display:flex;align-items:center;gap:.4rem;font-size:.85rem}.quiz-subject-stat small{color:var(--muted)}
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.quiz-subject-stat .bar span{display:block;height:100%}.dot{width:.5rem;height:.5rem;border-radius:50%;display:inline-block}
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.quiz-progress-row{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted)}
.quiz-progress{height:.45rem;background:#edf0eb;border-radius:99px;margin:.6rem 0 1.5rem;overflow:hidden}
.quiz-progress span{display:block;height:100%;background:var(--green);transition:width .2s}
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.quiz-option:has(input:checked){border-color:var(--green);background:var(--mint)}.quiz-option input{position:absolute;opacity:0}
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.quiz-next-row{display:flex;justify-content:flex-end;margin-top:1rem}.quiz-result-top{text-align:center}
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@media(max-width:480px){.mind-branches{grid-template-columns:1fr}.mind-branch:before{display:none}.study-file-actions{padding-left:0}.essay-counter{align-items:flex-start;flex-direction:column;gap:.25rem}.essay-review{grid-template-columns:1fr}.essay-review>.quiz-error-number{display:none}.quiz-result-actions{flex-direction:column}.quiz-result-actions .btn{justify-content:center}}

/* Guias aprofundados e mapas visuais por aula */
.guide-meta{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.55rem}
.guide-meta span{display:inline-flex;align-items:center;min-height:1.55rem;padding:.2rem .5rem;border-radius:99px;background:color-mix(in srgb,var(--subject-color) 10%,white);color:var(--subject-color);font-size:.7rem;font-weight:800}
.chapter-tag{display:inline-flex;margin-bottom:.45rem;padding:.2rem .45rem;border-radius:99px;background:color-mix(in srgb,var(--subject-color) 12%,white);color:var(--subject-color);font-size:.68rem;font-weight:900;letter-spacing:.05em;text-transform:uppercase}
.guide-final{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;padding:0 0 1rem}
.guide-final aside{border-radius:.8rem;padding:.9rem}
.guide-final b{display:block;margin-bottom:.4rem;font-size:.88rem}
.guide-final ul{margin:0;padding-left:1.1rem}
.guide-final li{margin:.25rem 0;font-size:.8rem;line-height:1.45}
.guide-review{background:#edf8f3;color:#315c51;border:1px solid #cee9df}
.guide-traps{background:#fff7e7;color:#6b5320;border:1px solid #f0dfb9}
.clinical-note{margin:0 0 1rem!important;padding:.65rem .75rem;border-radius:.65rem;background:#f6f8f5;color:var(--muted)!important;font-size:.75rem!important;line-height:1.4}
.mind-map-library{grid-template-columns:repeat(2,minmax(0,1fr))}
.mind-map[open]{grid-column:1/-1}
.mind-map summary{min-height:4.4rem}
.mind-lesson{display:block;color:var(--map-color);font-size:.68rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.mind-canvas{padding:1rem 1.15rem 1.35rem;background:radial-gradient(circle at 50% 48%,color-mix(in srgb,var(--map-color) 8%,white),#fff 55%,#fbfcf9)}
.mind-map-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin:0 0 1rem;padding-bottom:.8rem;border-bottom:1px dashed color-mix(in srgb,var(--map-color) 25%,var(--line))}
.mind-map-top p{margin:0;color:#526665;font-size:.84rem;line-height:1.45}
.mind-expand-all{border:1px solid color-mix(in srgb,var(--map-color) 35%,var(--line));border-radius:99px;background:#fff;color:var(--map-color);padding:.48rem .7rem;font:800 .75rem inherit;white-space:nowrap;cursor:pointer}
.mind-map-layout{display:grid;grid-template-columns:minmax(0,1fr) 13.5rem minmax(0,1fr);align-items:center;gap:1.25rem;max-width:70rem;margin:0 auto}
.mind-side{display:grid;gap:.72rem}
.mind-core-wrap{display:grid;place-items:center;position:relative;align-self:stretch}
.mind-core-wrap:before,.mind-core-wrap:after{content:'';position:absolute;left:-1.25rem;right:-1.25rem;top:50%;height:2px;background:color-mix(in srgb,var(--map-color) 32%,transparent);z-index:0}
.mind-core-wrap:after{left:50%;right:auto;top:10%;bottom:10%;width:2px;height:auto}
.mind-center{position:relative;z-index:1;width:12.5rem;height:12.5rem;max-width:none;margin:0;border-radius:50%;padding:1.2rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.38rem;background:linear-gradient(145deg,color-mix(in srgb,var(--map-color) 82%,white),var(--map-color));box-shadow:0 .8rem 2rem color-mix(in srgb,var(--map-color) 28%,transparent),inset 0 0 0 .45rem color-mix(in srgb,#fff 18%,transparent)}
.mind-center small{font-size:.68rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase;opacity:.82}
.mind-center strong{font-size:1.05rem;line-height:1.2;letter-spacing:.01em}
.mind-center span{font-size:.72rem;opacity:.8}
.mind-branch{appearance:none;width:100%;min-height:4.25rem;display:grid;grid-template-columns:2rem minmax(0,1fr) 1.2rem;align-items:center;gap:.55rem;position:relative;padding:.72rem;border:1px solid color-mix(in srgb,var(--map-color) 28%,var(--line));border-top:1px solid color-mix(in srgb,var(--map-color) 28%,var(--line));border-radius:.85rem;background:#fff;text-align:left;color:inherit;font:inherit;cursor:pointer;box-shadow:0 .25rem .8rem #0c303108;transition:border-color .2s,box-shadow .2s,transform .2s}
.mind-branch span{padding:0}
.mind-branch span:before{content:none}
.mind-branch:hover{border-color:var(--map-color);box-shadow:0 .4rem 1rem color-mix(in srgb,var(--map-color) 12%,transparent);transform:translateY(-1px)}
.mind-branch:focus-visible{outline:3px solid color-mix(in srgb,var(--map-color) 28%,transparent);outline-offset:2px}
.mind-branch:before{display:none}
.mind-branch:after{content:'';position:absolute;top:50%;width:1.3rem;height:2px;background:color-mix(in srgb,var(--map-color) 32%,transparent)}
.mind-branch-left:after{right:-1.32rem}.mind-branch-right:after{left:-1.32rem}
.mind-branch-number{width:2rem;height:2rem;display:grid;place-items:center;border-radius:.65rem;background:color-mix(in srgb,var(--map-color) 11%,white);color:var(--map-color);font-size:.7rem;font-weight:900}
.mind-branch-copy{display:block;min-width:0}
.mind-branch-copy b{display:block;margin:0;color:var(--map-color);font-size:.85rem;line-height:1.25}
.mind-branch-copy em{display:block;margin-top:.18rem;color:var(--muted);font-size:.72rem;font-style:normal;line-height:1.3}
.mind-branch-toggle{color:var(--map-color);font-size:1rem;font-weight:700;text-align:center;transition:transform .2s}
.mind-branch-details{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .22s ease,opacity .22s ease}
.mind-branch-details>span{overflow:hidden}
.mind-branch[aria-expanded="true"]{align-items:start;border-color:color-mix(in srgb,var(--map-color) 55%,var(--line));background:color-mix(in srgb,var(--map-color) 4%,white)}
.mind-branch[aria-expanded="true"] .mind-branch-toggle{transform:rotate(45deg)}
.mind-branch[aria-expanded="true"] .mind-branch-details{grid-template-rows:1fr;opacity:1;margin-top:.48rem}
.mind-branch-details>span>span{display:block;position:relative;padding:.16rem 0 .16rem .7rem;color:#405453;font-size:.74rem;line-height:1.4}
.mind-branch-details>span>span:before{content:'•';position:absolute;left:0;color:var(--map-color)}
@media(max-width:900px){
  .mind-map-layout{grid-template-columns:1fr 1fr;align-items:start}
  .mind-core-wrap{grid-column:1/-1;grid-row:1;min-height:10rem}
  .mind-side-left{grid-column:1;grid-row:2}.mind-side-right{grid-column:2;grid-row:2}
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}
@media(max-width:800px){
  .mind-map-library{grid-template-columns:1fr}.mind-map[open]{grid-column:auto}
  .guide-final{grid-template-columns:1fr}
}
@media(max-width:560px){
  .mind-map-top{align-items:flex-start;flex-direction:column}
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  .mind-branch{min-height:4.5rem}.study-guide summary{align-items:flex-start}.study-guide-open{padding-top:.5rem}
}