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var(--line);border-radius:20px;box-shadow:var(--shadow-2);padding:clamp(22px,5vw,34px);display:flex;flex-direction:column;gap:20px}.plans{display:grid;grid-template-columns:1fr 1fr;gap:10px}.plans[data-n="1"]{grid-template-columns:1fr}.btn.plan{flex-direction:column;height:auto;padding:14px 10px;gap:2px}.btn.plan small{white-space:normal;text-align:center}.btn.plan b{font-size:1.35rem}.plan-consent{display:flex;gap:8px;align-items:flex-start;color:var(--fg-2);margin-bottom:10px}.plan-consent input{margin-top:2px;accent-color:var(--accent)}.auth-brand{display:flex;gap:14px;align-items:center}.auth-brand h1{font-size:1.7rem;font-weight:750}.auth-title{font-size:1.2rem}.auth-foot{text-align:center}.app{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;height:100dvh;display:flex;flex-direction:column;gap:22px;padding:18px 12px 16px;border-right:1px solid var(--line);background:var(--surface)}.brand{display:flex;align-items:center;gap:10px;padding:2px 8px;border:0;background:none;cursor:pointer;text-align:left}.logo{display:block;flex:none;object-fit:contain}.brand b{font-family:var(--f-display);font-size:1.2rem;display:block;line-height:1;font-weight:750;letter-spacing:-.02em}.brand-year{display:block;margin-top:3px;font-size:.72rem;font-weight:650;color:var(--fg-3);letter-spacing:.04em}.nav{display:flex;flex-direction:column;gap:2px}.nav-item{--c: var(--accent);position:relative;display:flex;align-items:center;gap:11px;padding:10px;border-radius:10px;border:0;background:none;cursor:pointer;color:var(--fg-2);font-weight:700;text-align:left;width:100%;transition:color .2s}.nav-item:hover{background:linear-gradient(90deg,color-mix(in srgb,var(--c) 13%,transparent),color-mix(in srgb,var(--c) 2%,transparent));color:var(--fg)}.nav-item.on{background:linear-gradient(90deg,color-mix(in srgb,var(--c) 24%,transparent),color-mix(in srgb,var(--c) 5%,transparent));color:color-mix(in srgb,var(--c) 70%,var(--fg))}.nav-item:before{content:"";position:absolute;left:0;top:50%;width:3px;height:0;border-radius:0 3px 3px 0;background:var(--c);transform:translateY(-50%);transition:height .2s}.nav-item.on:before{height:20px}.nav-item .count{margin-left:auto;font-family:var(--f-mono);font-size:.72rem;padding:1px 7px;border-radius:99px;background:var(--accent);color:var(--on-accent)}.side-foot{margin-top:auto}.main{min-width:0}.app.focus{grid-template-columns:minmax(0,1fr)}.app.focus .sidebar{display:none}.page{max-width:1080px;margin:0 auto;padding:28px clamp(16px,3vw,36px) 48px;display:flex;flex-direction:column;gap:22px}.page.narrow{max-width:720px}.page-title{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:750}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:var(--pad);box-shadow:var(--shadow-1);min-width:0;display:flex;flex-direction:column;gap:14px}.panel-h{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.panel-h h2,.h2{font-size:1.12rem}.panel-h p{color:var(--fg-3);font-size:.88rem}.back{align-self:flex-start;margin:-8px 0 -10px -6px}.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap}.hero h1{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:750;margin:4px 0 6px}.hero .eyebrow:first-letter{text-transform:uppercase}.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:4px;box-shadow:var(--shadow-1)}.tile b{font-family:var(--f-display);font-size:1.6rem;font-weight:750;display:flex;align-items:center;gap:6px}.tile b small{font-size:.9rem;color:var(--fg-3);font-weight:500}.tile .ic{color:var(--hard)}.subject{display:flex;flex-direction:column;gap:12px}.subject-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap}.subject-h h2{font-size:1.3rem;display:flex;align-items:center;gap:10px}.dot{width:12px;height:12px;border-radius:4px;display:inline-block}.deck-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.deck-card{text-align:left;display:flex;flex-direction:column;gap:10px;padding:16px;border-radius:var(--r);border:1px solid var(--line);border-top:4px solid var(--deck, var(--accent));background:var(--surface);box-shadow:var(--shadow-1);cursor:pointer;transition:transform .15s,box-shadow .15s}.deck-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}.deck-title{font-family:var(--f-display);font-size:1.15rem;font-weight:650;line-height:1.2}.deck-counts{display:flex;gap:6px;flex-wrap:wrap}.deck-foot{display:flex;justify-content:space-between}.pill{font-size:.78rem;font-weight:700;padding:2px 9px;border-radius:99px}.pill.weak{background:color-mix(in srgb,var(--bad) 13%,transparent);color:var(--bad)}.pill.new{background:color-mix(in srgb,var(--info) 13%,transparent);color:var(--info)}.bar{height:8px;border-radius:99px;background:var(--sunken);overflow:hidden;min-width:40px}.bar i{display:block;height:100%;border-radius:99px;background:var(--accent);transition:width .3s}.boxes{display:flex;height:8px;border-radius:99px;overflow:hidden;background:var(--b0)}.boxes i{display:block;height:100%}.b0{background:var(--b0)}.b1{background:var(--b1)}.b2{background:var(--b2)}.b3{background:var(--b3)}.b4{background:var(--b5)}.legend{display:flex;flex-wrap:wrap;gap:6px 14px}.legend span{display:inline-flex;align-items:center;gap:6px}.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}.lg-ok{background:var(--accent)}.lg-ko{background:color-mix(in srgb,var(--accent) 30%,var(--sunken))}.empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:40px 20px;border:1.5px dashed var(--line-2);border-radius:var(--r)}.empty-ic{width:54px;height:54px;border-radius:16px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}.deck-head{display:flex;flex-direction:column;gap:6px;padding-left:14px;border-left:4px solid var(--deck, var(--accent))}.deck-head h1{font-size:clamp(1.6rem,3.6vw,2.3rem);font-weight:750}.deck-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.stat-row div{display:flex;flex-direction:column}.stat-row b{font-family:var(--f-display);font-size:1.6rem;font-weight:750;line-height:1.1}.stat-row span{color:var(--fg-3);font-size:.86rem}.mastery{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center}.search{display:flex;align-items:center;gap:6px;padding:0 10px;border:1px solid var(--line-2);border-radius:10px;color:var(--fg-3);min-width:0;flex:0 1 260px}.search input{border:0!important;padding:8px 0!important;outline:0!important;background:transparent!important}.chips{display:flex;gap:6px;flex-wrap:wrap}.chip-btn{border:1px solid var(--line-2);background:var(--surface);border-radius:99px;padding:5px 12px;font-weight:700;font-size:.86rem;cursor:pointer;color:var(--fg-2)}.chip-btn.on{background:var(--fg);color:var(--bg);border-color:var(--fg)}.card-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.card-list>li{border-bottom:1px solid var(--line)}.card-row{width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 4px;border:0;background:none;text-align:left;cursor:pointer}.card-row:hover{background:var(--surface-2)}.card-row-q{min-width:0}.card-row-a{padding:0 4px 14px 26px;display:flex;flex-direction:column;gap:6px}.mini-opts{margin:0;padding-left:18px;color:var(--fg-2)}.mini-opts .ok{color:var(--good);font-weight:700}.st{width:10px;height:10px;border-radius:50%}.st-new{background:var(--line-2)}.st-learning{background:var(--b2)}.st-weak{background:var(--bad)}.st-mastered{background:var(--b5)}.danger-zone{flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap}.danger-zone h3{font-size:1rem}.study{max-width:760px;width:100%;margin:0 auto;padding:16px clamp(16px,3vw,32px) 32px;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;gap:18px}.study-top{display:flex;align-items:center;gap:10px;padding-top:env(safe-area-inset-top,0px)}.study-progress{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.study-label{display:flex;justify-content:space-between;gap:10px}.chip{font-size:.74rem;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--accent-soft);color:var(--accent);letter-spacing:.02em}.chip-soft{background:var(--sunken);color:var(--fg-2)}.chip-new{background:color-mix(in srgb,var(--info) 14%,transparent);color:var(--info)}.flash{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-2);padding:clamp(20px,4vw,38px);display:flex;flex-direction:column;gap:18px;animation:cardIn .3s cubic-bezier(.2,.7,.2,1) both}@keyframes cardIn{0%{opacity:0;transform:translateY(10px) scale(.99)}}@keyframes rise{0%{opacity:0;transform:translateY(6px)}}.flash-meta{display:flex;flex-wrap:wrap;gap:6px}.flash-front{display:flex;flex-direction:column;gap:10px}.flash .term{font-family:var(--f-display);font-size:clamp(1.6rem,5vw,2.3rem);font-weight:750;letter-spacing:-.02em;line-height:1.1;overflow-wrap:anywhere}.flash .q{font-size:clamp(1.12rem,3.2vw,1.4rem);line-height:1.45;font-weight:700;white-space:pre-line}.flash .term+.q,.flash .q.sub{font-size:1.02rem;font-weight:400;color:var(--fg-2)}.cloze-gap{display:inline-block;border-bottom:2.5px solid var(--accent);margin:0 2px;white-space:pre}.cloze-fill{background:var(--accent-soft);color:var(--accent);padding:0 4px;border-radius:5px}.hint p{display:flex;gap:8px;align-items:flex-start;color:var(--warn);font-weight:700}.hint .btn{margin-left:-10px}.flash-back{border-top:1.5px dashed var(--line-2);padding-top:18px;display:flex;flex-direction:column;gap:14px;animation:rise .25s both}.flash-back .ans{font-size:clamp(1.1rem,3vw,1.35rem);font-weight:700;line-height:1.4;white-space:pre-line}.ans-sub{font-weight:400;color:var(--fg-2)}.extra{background:var(--surface-2);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:4px;white-space:pre-line}.opts{display:flex;flex-direction:column;gap:8px}.opt{display:flex;gap:12px;align-items:center;text-align:left;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line-2);background:var(--surface);cursor:pointer;font-weight:700}.opt:not([disabled]):hover{border-color:var(--accent);background:var(--accent-soft)}.opt[disabled]{cursor:default}.opt>span:nth-child(2){flex:1}.opt-l{width:28px;height:28px;border-radius:8px;background:var(--sunken);display:grid;place-items:center;font-family:var(--f-mono);font-size:.85rem;flex:none}.opt.ok,.tf.ok{border-color:var(--good);background:color-mix(in srgb,var(--good) 12%,transparent);color:var(--good);opacity:1}.opt.ko,.tf.ko{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 10%,transparent);color:var(--bad);opacity:1}.opt.dim,.tf.dim{opacity:.5}.tf-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.study-actions{display:flex;flex-direction:column;gap:10px;align-items:stretch;position:sticky;bottom:0;padding:10px 0 calc(10px + env(safe-area-inset-bottom,0px));background:linear-gradient(transparent,var(--bg) 30%);margin-top:auto}.reveal{width:100%}.grade-q{font-weight:700;color:var(--fg-2);text-align:center}.grades{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.grade{display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 4px;border-radius:12px;border:1.5px solid var(--line-2);background:var(--surface);cursor:pointer;font-weight:700;transition:transform .12s,border-color .15s,background .15s}.grade:hover{transform:translateY(-2px)}.grade small{font-family:var(--f-mono);font-size:.74rem;color:var(--fg-3);font-weight:400}.grade.g0{color:var(--bad)}.grade.g1{color:var(--hard)}.grade.g2{color:var(--good)}.grade.g3{color:var(--info)}.grade.g0:hover,.grade.g0.sugg{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 8%,transparent)}.grade.g1:hover{border-color:var(--hard);background:color-mix(in srgb,var(--hard) 8%,transparent)}.grade.g2:hover,.grade.g2.sugg{border-color:var(--good);background:color-mix(in srgb,var(--good) 8%,transparent)}.grade.g3:hover{border-color:var(--info);background:color-mix(in srgb,var(--info) 8%,transparent)}.grade.sugg{box-shadow:0 0 0 3px var(--accent-soft)}.done{align-items:center;text-align:center;padding:36px 20px;margin-top:8vh}.done h1{font-size:1.9rem}.done-ic{width:64px;height:64px;border-radius:20px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center}.dist{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;width:100%;max-width:460px}.dist-i{display:flex;flex-direction:column;padding:10px 4px;border-radius:12px;background:var(--surface-2);font-size:.82rem;font-weight:700}.dist-i b{font-family:var(--f-display);font-size:1.5rem}.dist-i.g0{color:var(--bad)}.dist-i.g1{color:var(--hard)}.dist-i.g2{color:var(--good)}.dist-i.g3{color:var(--info)}.study .empty{margin-top:10vh}.bars{display:grid;grid-template-columns:repeat(30,minmax(0,1fr));gap:3px;height:150px;align-items:end}.bar-col{height:100%;display:flex;align-items:flex-end}.bar-col i{display:flex;flex-direction:column-reverse;width:100%;min-height:2px;border-radius:4px 4px 0 0;background:color-mix(in srgb,var(--accent) 30%,var(--sunken));overflow:hidden}.bar-col em{display:block;width:100%;background:var(--accent)}.bars-axis{display:flex;justify-content:space-between}.mastery-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.mastery-row{width:100%;display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,2fr) minmax(120px,1.2fr);gap:12px;align-items:center;padding:12px 4px;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;cursor:pointer}.mastery-pct{display:flex;gap:8px;align-items:center}.mastery-pct .bar{flex:1}.captcha{min-height:65px}.mfa-steps{display:grid;gap:12px;margin:0 0 14px;padding-left:20px}.mfa-steps li>span{display:block}.mfa-qr{display:block;margin:10px 0 6px;background:#fff;border-radius:10px;padding:8px;border:1px solid var(--line)}.mfa input{max-width:160px;letter-spacing:.2em}.admin-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}.admin-tabs button{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--fg-2);border-radius:99px;padding:6px 14px;font-weight:700;cursor:pointer}.admin-tabs button.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.admin-badge{background:var(--bad);color:#fff;border-radius:99px;font-size:.72rem;padding:0 6px;line-height:1.5}.admin-search{width:100%;margin-bottom:10px}.admin-reports,.admin-decks,.admin-subjects{list-style:none;margin:0;padding:0}.admin-reports li{display:grid;gap:8px;padding:12px 0;border-bottom:1px solid var(--line)}.report-msg{margin:0;padding:8px 12px;border-left:3px solid var(--warn);background:var(--surface-2);border-radius:6px}.report-card{display:grid;gap:4px}.admin-decks li{border-bottom:1px solid var(--line)}.admin-decks li.archived{opacity:.6}.admin-deck-h{display:flex;align-items:center;gap:10px;width:100%;padding:10px 2px;border:0;background:none;color:inherit;text-align:left;cursor:pointer}.admin-deck-h>span{flex:1;min-width:0}.admin-deck-cards{display:grid;gap:8px;padding:0 0 12px 22px}.admin-subjects li{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}.admin-subjects li>span:nth-child(2){flex:1;min-width:0}.subject-thumb{width:64px;height:40px;border-radius:8px;overflow:hidden;flex:none}.subject-thumb img,.subject-preview img{width:100%;height:100%;object-fit:cover;display:block}.subject-preview{position:relative;display:block;height:120px;border-radius:14px;overflow:hidden}.subject-preview b{position:absolute;left:14px;top:10px;color:#fff;text-shadow:0 1px 8px rgb(0 0 0 / .5)}.color-choices{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.color-dot{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer}.color-dot.on{border-color:var(--fg);box-shadow:0 0 0 2px var(--surface) inset}.gauge{display:grid;gap:6px;margin-bottom:12px}.gauge-h{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.gauge-bar{height:10px;border-radius:99px;background:var(--sunken);overflow:hidden}.gauge-bar i{display:block;height:100%;background:var(--accent)}.gauge-bar.warn i{background:var(--warn)}.user-facts{display:grid;grid-template-columns:max-content 1fr;gap:6px 14px;margin:0 0 14px}.user-facts dt{color:var(--fg-3)}.user-facts dd{margin:0}.card-editor textarea{resize:vertical}.admin-log{list-style:none;margin:0;padding:0}.admin-log li{display:flex;gap:12px;align-items:baseline;padding:6px 0;border-bottom:1px solid var(--line)}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:grid;place-items:center;padding:16px;z-index:100;animation:rise .15s both}body.modal-open .dtop,body.modal-open 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8px);left:0;right:0;max-height:min(60vh,460px);overflow-y:auto;overscroll-behavior:contain;padding:6px;border-radius:18px;border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 98%,transparent);-webkit-backdrop-filter:blur(20px) saturate(170%);backdrop-filter:blur(20px) saturate(170%);box-shadow:0 18px 48px #0000002e;transform-origin:50% 0;opacity:0;transform:translateY(-8px) scale(.97);visibility:hidden;transition:opacity .18s ease,transform .26s cubic-bezier(.25,1.2,.4,1),visibility 0s linear .26s}.dp.open .dp-menu{opacity:1;transform:none;visibility:visible;transition:opacity .18s ease,transform .26s cubic-bezier(.25,1.2,.4,1),visibility 0s}.dp-item{width:100%;display:flex;align-items:center;gap:12px;padding:10px;border:0;border-radius:12px;background:none;color:var(--fg);text-align:left;cursor:pointer}.dp-item:hover{background:var(--accent-soft)}.dp-item.on{background:color-mix(in srgb,var(--deck, var(--accent)) 12%,transparent);color:var(--deck, var(--accent))}.dp-k{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:.8rem;font-weight:700;background:var(--bg);color:var(--fg-2)}.dp-item.on .dp-k{background:var(--deck, var(--accent));color:#fff}.dp-it{flex:1;min-width:0;display:flex;flex-direction:column}.dp-it b{font-size:.92rem;line-height:1.3}.dp-it small{font-size:.76rem;color:var(--fg-3)}@media(prefers-reduced-motion:reduce){.dp-menu,.dp-chev{transition:none!important}}.pill.exam{background:color-mix(in srgb,var(--hard) 14%,transparent);color:var(--hard)}.c-sec-f{flex-wrap:wrap;gap:6px 18px}.c-chapter-f{margin:4px 0 14px;padding:0 0 12px;border-top:0;border-bottom:1px dashed var(--line-2)}.c-practice.exam{color:var(--hard)}.c-practice.exam .c-count{background:color-mix(in srgb,var(--hard) 14%,transparent)}.controle-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.controle-list li{display:flex;align-items:center;gap:12px;padding:10px 10px 10px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-1);font-weight:650}.controle-list li>span{flex:1;min-width:0;overflow-wrap:anywhere}.controle-list .dot{flex:none}.subject-btns{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.subject-btn{--sub: var(--accent);position:relative;isolation:isolate;overflow:hidden;display:flex;align-items:flex-start;justify-content:flex-start;aspect-ratio:16 / 9;padding:16px;border-radius:var(--r);border:1px solid var(--line);background:linear-gradient(135deg,var(--sub),color-mix(in srgb,var(--sub) 45%,#000));box-shadow:var(--shadow-1);cursor:pointer;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s}.subject-btn>img{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-2;width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.8,.2,1)}.subject-btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(120% 90% at 0% 0%,rgb(0 0 0 / .65),transparent 60%),linear-gradient(180deg,transparent 55%,rgb(0 0 0 / .35))}.subject-name{display:inline-flex;align-items:flex-start;line-height:1.3;gap:10px;max-width:calc(100% - 32px);font-family:var(--f-display);font-size:1.25rem;font-weight:750;letter-spacing:-.01em;color:#fff;text-align:left;text-shadow:0 2px 12px rgb(0 0 0 / .5);overflow-wrap:anywhere;transition:transform .45s cubic-bezier(.2,.8,.2,1)}.subject-name .dot{flex:none;margin-top:calc((1.3em - 12px)/2);box-shadow:0 0 0 2px #ffffffb3}.subject-btn>svg{position:absolute;right:14px;bottom:14px;color:#fff;opacity:.75;transition:transform .35s cubic-bezier(.2,.8,.2,1),opacity 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h2{font-size:1.2rem}.controle-del:hover{color:var(--bad);background:color-mix(in srgb,var(--bad) 10%,transparent)}