/* Portal do aluno: claro e confortável para estudo, com modo escuro. Cores da marca vêm de --brand e --accent. */
:root{
  --brand:#7A5AF8; --accent:#B99AFF;
  --bg:#F3F5F9; --surface:#FFFFFF; --surface-2:#EDF0F6; --line:#DFE4EE; --line-2:#CBD2E0;
  --ink:#101828; --ink-2:#344054; --mute:#667085; --ok:#12805C; --ok-bg:#E3F5EC; --warn:#9A6400; --warn-bg:#FDF1D6; --err:#B42318; --err-bg:#FDE8E7;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -12px rgba(16,24,40,.12);
  --r-lg:18px; --r-md:12px; --r-sm:8px;
  --f-display:"Montserrat",system-ui,sans-serif; --f-body:"Hanken Grotesk",system-ui,sans-serif;
  --side:272px;
  color-scheme:light;
}
[data-theme="dark"]{
  --bg:#0A0F1C; --surface:#111829; --surface-2:#18213A; --line:#232D47; --line-2:#2F3B5C;
  --ink:#E8ECF6; --ink-2:#C3CADB; --mute:#8D97B0; --ok:#4CD39A; --ok-bg:rgba(76,211,154,.12); --warn:#F2C35B; --warn-bg:rgba(242,195,91,.12); --err:#FF8A80; --err-bg:rgba(255,138,128,.12);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px -14px rgba(0,0,0,.6);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body.mjia{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.mjia a{color:var(--brand)}
:where(.mjia) :where(h1,h2,h3,h4,p){margin:0}
.mjia :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.mjia svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:99}
.skip:focus{left:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.h1{font-family:var(--f-display);font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.15;letter-spacing:-.02em;text-wrap:balance}
.h2{font-family:var(--f-display);font-size:21px;font-weight:700;letter-spacing:-.01em;margin:40px 0 16px}
.h3{font-family:var(--f-display);font-size:18px;font-weight:700}
.lead{color:var(--mute);margin-top:8px;max-width:62ch}
.muted{color:var(--mute)} .small{font-size:14px} .strong{font-weight:700}
.brand-mark{width:30px;height:30px}
.brand-logo{height:26px;width:auto;display:block}
.brand-logo--clara{display:none}
[data-theme="dark"] .brand-logo--clara{display:block}
[data-theme="dark"] .brand-logo--escura{display:none}
.auth-side .brand-logo{height:30px}
.brand-name{font-family:var(--f-display);font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.01em}

/* botões e formulários */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff!important;border:0;border-radius:999px;padding:12px 22px;font:600 15px/1.2 var(--f-body);cursor:pointer;text-decoration:none;transition:filter .15s,transform .15s}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink)!important;box-shadow:inset 0 0 0 1.5px var(--line-2)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--brand);filter:none}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-sm svg{width:16px;height:16px}
.btn-block{width:100%}
.btn-done{background:var(--ok-bg);color:var(--ok)!important;box-shadow:inset 0 0 0 1.5px var(--ok)}
.btn .t-on{display:none}
.btn[aria-pressed="true"] .t-on{display:inline}.btn[aria-pressed="true"] .t-off{display:none}
.link-btn{background:none;border:0;color:var(--brand);font:600 14px var(--f-body);cursor:pointer;padding:6px 4px}
.icon-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.form{display:grid;gap:16px;margin-top:22px}
.form-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:6px;font-size:14px;font-weight:600;color:var(--ink-2)}
.field small{font-weight:400;color:var(--mute)}
.field input{font:400 16px var(--f-body);color:var(--ink);background:var(--surface);border:1.5px solid var(--line-2);border-radius:var(--r-md);padding:12px 14px;width:100%;min-width:0}
.field input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 18%,transparent)}
.field input:disabled{background:var(--surface-2);color:var(--mute)}
.pwd{position:relative;display:block}
.pwd input{padding-right:84px}
.pwd-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--brand);font:600 13px var(--f-body);padding:8px;cursor:pointer}
.form-row{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:8px;color:var(--ink-2)}
.check input{width:18px;height:18px;accent-color:var(--brand)}
.notice{padding:12px 16px;border-radius:var(--r-md);font-size:15px;margin-bottom:18px}
.notice-error{background:var(--err-bg);color:var(--err)}
.notice-ok{background:var(--ok-bg);color:var(--ok)}
.badge{display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:99px;background:var(--surface-2);color:var(--mute)}
.badge-ok{background:var(--ok-bg);color:var(--ok)}
.badge-warn{background:var(--warn-bg);color:var(--warn)}

/* ---------- login / senha ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:minmax(360px,1fr) 1.15fr}
.auth-side{position:relative;overflow:hidden;background:var(--ground,#050912);color:#EDF1FA;padding:48px;display:flex;flex-direction:column;justify-content:space-between}
.auth-side::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 50% at 20% 0%,color-mix(in srgb,var(--brand) 40%,transparent),transparent 70%)}
.auth-side .brand-name{color:#fff}
.auth-brand{position:relative;display:flex;align-items:center;gap:10px}
.auth-pitch{position:relative;max-width:420px}
.auth-quote{font-family:var(--f-display);font-size:clamp(28px,3vw,38px);font-weight:700;line-height:1.1;letter-spacing:-.02em}
.auth-pitch ul{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:10px;color:#B4BCD0}
.auth-pitch li{display:flex;gap:10px;align-items:center}
.auth-pitch li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent)}
.auth-art{position:absolute;right:-120px;bottom:-120px;width:460px;height:460px;opacity:.6}
.auth-art circle{fill:none;stroke:rgba(255,255,255,.12)}
.auth-art .flow{stroke:var(--brand);stroke-width:1.5;stroke-dasharray:4 10;animation:dash 18s linear infinite}
@keyframes dash{to{stroke-dashoffset:-280}}
.auth-main{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px max(20px,env(safe-area-inset-right));}
.auth-card{width:100%;max-width:400px}
.auth-brand-m{display:none;align-items:center;gap:10px;margin-bottom:28px}
.auth-title{font-family:var(--f-display);font-size:30px;font-weight:700;letter-spacing:-.02em;line-height:1.15}
.auth-sub{color:var(--mute);margin-top:8px}
.auth-alt{margin-top:24px;font-size:15px;color:var(--mute);text-align:center}
.auth-foot{margin-top:40px;display:flex;gap:18px;font-size:13px}
.auth-foot a{color:var(--mute)}
.layout-auth .btn{margin-top:4px}
.view-mensagem.layout-auth .btn{margin-top:22px}

/* ---------- app ---------- */
.app{min-height:100vh}
.topbar{display:none}
.side{position:fixed;inset:0 auto 0 0;width:var(--side);background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:20px 14px;overflow-y:auto;z-index:40}
.side-brand{display:flex;align-items:center;gap:10px;padding:4px 10px 22px;text-decoration:none}
.nav-label{font-size:12.5px;font-weight:600;color:var(--mute);padding:18px 12px 6px}
.nav-item{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:10px;color:var(--ink-2)!important;text-decoration:none;font-size:15px;font-weight:500}
.nav-item:hover{background:var(--surface-2)}
.nav-item.is-active{background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--ink)!important;font-weight:600}
.nav-mod{align-items:flex-start}
.nav-mod-t{display:flex;flex-direction:column;line-height:1.3}
.nav-mod-t small{font-size:12.5px;color:var(--mute);font-weight:400;margin-top:2px}
.ring{--p:0;width:30px;height:30px;border-radius:50%;flex:none;display:grid;place-items:center;background:conic-gradient(var(--brand) calc(var(--p)*1%),var(--line) 0);position:relative}
.ring::before{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--surface)}
.ring b{position:relative;font-size:12px;font-weight:700;color:var(--ink-2)}
.ring-lg{width:72px;height:72px}
.ring-lg::before{inset:6px}
.ring-lg b{font-size:17px;font-family:var(--f-display)}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:grid;gap:4px}
.theme-btn,.logout{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:10px;background:none;border:0;color:var(--ink-2)!important;font:500 15px var(--f-body);cursor:pointer;text-decoration:none;text-align:left}
.theme-btn:hover,.logout:hover{background:var(--surface-2)}
[data-theme="dark"] .i-moon,[data-theme="dark"] .t-light{display:none}
:root:not([data-theme="dark"]) .i-sun,:root:not([data-theme="dark"]) .t-dark{display:none}
.main{margin-left:var(--side);padding:40px clamp(20px,4vw,56px) 80px;max-width:calc(1180px + var(--side))}
.page-head{margin-bottom:8px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.head-progress{display:flex;align-items:center;gap:10px}
.crumbs{font-size:14px;color:var(--mute);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.crumbs a{color:var(--mute);text-decoration:none}
.crumbs a:hover{color:var(--brand)}

.hero-card{margin-top:28px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:24px 28px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-progress{display:flex;align-items:center;gap:16px}
.hero-next{flex:1;min-width:200px;padding-left:28px;border-left:1px solid var(--line)}
.mod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.mod-card{position:relative;display:flex;flex-direction:column;gap:8px;padding:22px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);color:var(--ink)!important;text-decoration:none;transition:border-color .2s,transform .2s}
.mod-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.mod-num{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 22%,transparent);color:var(--ink);font:700 15px var(--f-display);margin-bottom:6px}
.mod-card h3{font-family:var(--f-display);font-size:18px;font-weight:700;line-height:1.25}
.mod-card p{font-size:14.5px;color:var(--mute);line-height:1.5}
.mod-meta{display:flex;gap:14px;font-size:13px;color:var(--mute);margin-top:auto;padding-top:8px}
.bar{display:block;height:6px;border-radius:3px;background:var(--surface-2);overflow:hidden}
.bar i{display:block;height:100%;background:var(--brand);border-radius:3px}
.help-card{margin-top:36px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:22px 26px;border-radius:var(--r-lg);background:var(--surface-2)}

/* aulas */
.lesson-list{list-style:none;margin:0;padding:0;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);overflow:hidden}
.lesson-list li + li{border-top:1px solid var(--line)}
.lesson-list a{display:grid;grid-template-columns:36px 1fr auto;gap:14px;align-items:center;padding:14px 18px;color:var(--ink)!important;text-decoration:none}
.lesson-list a:hover{background:var(--surface-2)}
.l-state{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--line-2);font-size:13px;font-weight:700;color:var(--mute)}
.is-done .l-state{background:var(--ok);border-color:var(--ok);color:#fff}
.is-done .l-state svg{width:16px;height:16px;stroke-width:3}
.l-title{font-weight:500}
.l-meta{font-size:13px;color:var(--mute)}

.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.player{position:relative;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;background:#0A0F1C;box-shadow:var(--shadow)}
.player iframe,.player video{position:absolute;inset:0;width:100%;height:100%;border:0}
.player-ph{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:6px;color:#C3CADB;text-align:center;background:radial-gradient(70% 80% at 30% 20%,color-mix(in srgb,var(--brand) 30%,transparent),transparent 70%),#0A0F1C}
.player-ph svg{width:44px;height:44px;color:var(--accent)}
.player-ph p{font-weight:600;font-size:17px}
.lesson-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin:22px 0 10px}
.prose{max-width:72ch;color:var(--ink-2);margin-top:14px}
.prose p{margin:0 0 14px}
.prose h2,.prose h3{font-family:var(--f-display);margin:22px 0 10px;color:var(--ink)}
.prose code,.prompt{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:13.5px}
.materials{margin-top:28px}
.files{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:8px}
.files li{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}
.files li .muted{margin-left:auto}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:36px}
.pager-a{display:flex;flex-direction:column;padding:14px 18px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);color:var(--ink)!important;text-decoration:none;font-weight:600}
.pager-a small{color:var(--mute);font-weight:400;font-size:13px}
.pager-a.next{text-align:right}
.pager-a:hover{border-color:var(--brand)}
.lesson-side{position:sticky;top:24px;padding:18px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line)}
.mini-list{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:2px}
.mini-list a{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border-radius:8px;color:var(--ink-2)!important;text-decoration:none;font-size:14.5px;line-height:1.4}
.mini-list a:hover{background:var(--surface-2)}
.mini-list .dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--line-2);margin-top:5px;flex:none}
.mini-list .is-done .dot{background:var(--ok);border-color:var(--ok)}
.mini-list .is-current a{background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--ink)!important;font-weight:600}

/* biblioteca */
.lib{margin-top:12px}
.lib-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.lib-head .h2{margin-bottom:16px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink-2);border-radius:99px;padding:6px 14px;font:600 13.5px var(--f-body);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.lib-ferramenta{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.item{display:flex;flex-direction:column;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);overflow:hidden}
.item[hidden]{display:none}
.item-media{position:relative;aspect-ratio:9/16;max-height:360px;background:#0D1530;overflow:hidden}
.fmt-horizontal .item-media{aspect-ratio:16/9}
.item-skill_arte .item-media{aspect-ratio:4/5}
.item-ferramenta .item-media{aspect-ratio:16/9}
.item-media video,.item-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.item-media.is-ph{display:grid;place-items:center;background:repeating-linear-gradient(135deg,var(--surface-2) 0 12px,color-mix(in srgb,var(--surface-2) 70%,var(--line)) 12px 24px)}
.ph{display:grid;justify-items:center;gap:8px;font-size:13px;color:var(--mute)}
.ph svg{width:32px;height:32px}
.code,.fmt{position:absolute;top:10px;font:500 11px "JetBrains Mono",ui-monospace,monospace;padding:3px 8px;border-radius:6px;background:rgba(5,9,18,.75);color:#F6DA92}
.code{left:10px}.fmt{right:10px;color:#fff;font-family:var(--f-body);font-weight:600}
.item-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.item-cat{font-size:12.5px;font-weight:600;color:var(--brand)}
.item h3{font-family:var(--f-display);font-size:17px;font-weight:700;line-height:1.25}
.item p{font-size:14px;color:var(--mute);line-height:1.5}
.item-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:auto;padding-top:10px}
.dlg{border:0;border-radius:var(--r-lg);padding:0;width:min(640px,calc(100% - 32px));max-height:min(86vh,800px);background:var(--surface);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.35)}
.dlg::backdrop{background:rgba(5,9,18,.55);backdrop-filter:blur(3px)}
.dlg-head{position:sticky;top:0;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:20px 22px;border-bottom:1px solid var(--line);background:var(--surface)}
.dlg-head h3{font-family:var(--f-display);font-size:22px;margin-top:4px}
.dlg-body{padding:6px 22px 24px}
.dlg-body h4{font-size:14px;font-weight:700;margin:20px 0 8px}
.ticks{margin:0;padding-left:18px;color:var(--ink-2)}
.prompt{white-space:pre-wrap;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-md);padding:14px;margin:0 0 10px;color:var(--ink)}

/* conta */
.account-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.card{padding:24px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line)}
.card-wide{grid-column:1/-1}
.table-wrap{overflow-x:auto;margin-top:14px}
.table{width:100%;border-collapse:collapse;font-size:14.5px}
.table th{text-align:left;font-weight:600;color:var(--mute);font-size:13px;padding:8px 10px;border-bottom:1px solid var(--line)}
.table td{padding:12px 10px;border-bottom:1px solid var(--line);white-space:nowrap}

.empty{max-width:560px;padding:48px 0}
.empty .badge{margin-bottom:14px}
.empty .lead{margin-bottom:24px}
.row-btns{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}

.toast{visibility:hidden;position:fixed;left:50%;bottom:24px;transform:translate(-50%,120px);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:99px;font-size:14px;font-weight:600;transition:transform .3s;z-index:90}
.toast.show{transform:translate(-50%,0);visibility:visible}
.scrim{position:fixed;inset:0;background:rgba(5,9,18,.45);z-index:35}

/* responsivo */
@media (max-width:1100px){
  .lesson-layout{grid-template-columns:1fr}
  .lesson-side{position:static}
}
@media (max-width:900px){
  .auth{grid-template-columns:1fr}
  .auth-side{display:none}
  .auth-brand-m{display:flex}
  .topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:30;padding:10px max(16px,env(safe-area-inset-left));background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .topbar-brand{display:flex;align-items:center;gap:8px;text-decoration:none}
  .side{transform:translateX(-102%);transition:transform .3s;box-shadow:var(--shadow)}
  .side.open{transform:none}
  .main{margin-left:0;padding:24px max(16px,env(safe-area-inset-left)) 64px}
  .account-grid{grid-template-columns:1fr}
  .hero-next{border-left:0;padding-left:0}
}
@media (max-width:560px){
  .form-2{grid-template-columns:1fr}
  .lib-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .lib-ferramenta{grid-template-columns:1fr}
  .item-body{padding:12px}
  .item h3{font-size:15.5px}
  .item-media{max-height:280px}
  .pager{grid-template-columns:1fr}
  .pager-a.next{text-align:left}
  .lesson-list a{grid-template-columns:32px 1fr;}
  .l-meta{grid-column:2}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}