:root{
  --bg:#0E0D14; --bg2:#15131d; --panel:#1a1824; --panel2:#221f2e;
  --ink:#ECE6D9; --ink-soft:#C7C2D0; --muted:#948DA6; --faint:#6C6580;
  --line:#2A2637; --line2:#37324a;
  --accent:#7CE0C6; --accent-dim:#4FB79E; --accent-ink:#0E0D14; --warm:#F2B45C;
  --figbg1:#1a1824; --figbg2:#15131d;
  --hl:rgba(242,180,92,.28);
  --serif:"Newsreader",Georgia,serif; --sans:"Inter",system-ui,sans-serif; --mono:"Space Mono",ui-monospace,monospace;
  --read:60ch;
}
html[data-theme="papel"]{
  --bg:#F6F1E7; --bg2:#EFE8D8; --panel:#FFFFFF; --panel2:#F3ECDD;
  --ink:#2A2620; --ink-soft:#463F33; --muted:#736A58; --faint:#9A9182;
  --line:#E4DAC7; --line2:#D7CBB2;
  --accent:#0F7A61; --accent-dim:#0F7A61; --accent-ink:#FFFFFF; --warm:#9A6310;
  --figbg1:#211d2b; --figbg2:#181521; --hl:rgba(15,122,97,.20);
}
html[data-theme="sepia"]{
  --bg:#ECE0C9; --bg2:#E4D6BB; --panel:#F5ECD7; --panel2:#EDE1C6;
  --ink:#43331F; --ink-soft:#5A4A34; --muted:#7C6A50; --faint:#9C8A6C;
  --line:#D8C8A9; --line2:#C9B792;
  --accent:#0F6E58; --accent-dim:#0F6E58; --accent-ink:#FFFFFF; --warm:#8A5A12;
  --figbg1:#211d2b; --figbg2:#181521; --hl:rgba(138,90,18,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.75;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
::selection{background:rgba(124,224,198,.24)}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.045;mix-blend-mode:screen;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
html[data-theme="papel"] .grain,html[data-theme="sepia"] .grain{display:none}

/* top bar */
.prog{position:fixed;top:0;left:0;height:2px;background:var(--accent);width:100%;transform:scaleX(0);transform-origin:left;z-index:60;transition:transform .1s linear;will-change:transform}
.bar{position:fixed;top:0;left:0;right:0;z-index:55;pointer-events:none;transition:background .25s,border-color .25s;border-bottom:1px solid transparent}
.bar.scrolled{pointer-events:auto;background:rgba(14,13,20,.82);backdrop-filter:blur(10px);border-bottom-color:var(--line)}
html[data-theme="papel"] .bar.scrolled{background:rgba(246,241,231,.86)}
html[data-theme="sepia"] .bar.scrolled{background:rgba(236,224,201,.86)}
.bar-inner{max-width:1160px;margin:0 auto;padding:10px clamp(24px,5vw,60px);display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}
.bar .brand{margin-right:auto;display:flex;align-items:center;gap:9px;white-space:nowrap;text-decoration:none;font-family:var(--mono)}
.bar .brand .mark{color:var(--accent);font-weight:700;font-size:12px;letter-spacing:.1em}
.bar .brand .pro{background:var(--accent);color:var(--accent-ink);border-radius:4px;padding:2px 6px;font-size:9.5px;font-weight:700;letter-spacing:.1em}
.bar .brand .course{color:var(--ink-soft);font-size:11px;letter-spacing:.04em;border-left:1px solid var(--line2);padding-left:10px}
.bar .brand a{pointer-events:auto;text-decoration:none;cursor:pointer}
.bar .brand a.course:hover{color:var(--accent)}
.bar button{pointer-events:auto;font-family:var(--mono);font-size:11px;line-height:1;letter-spacing:.04em;white-space:nowrap;color:var(--muted);background:rgba(20,19,29,.6);border:1px solid var(--line2);border-radius:99px;padding:8px 12px;cursor:pointer;backdrop-filter:blur(6px);transition:color .2s,border-color .2s}
html[data-theme="papel"] .bar button,html[data-theme="sepia"] .bar button{background:rgba(255,255,255,.55)}
.bar button:hover{color:var(--ink);border-color:var(--accent)}
.bar .pill{color:var(--accent)}
.bar a.back{pointer-events:auto;font-family:var(--mono);font-size:11px;line-height:1;letter-spacing:.04em;white-space:nowrap;color:var(--muted);background:rgba(20,19,29,.6);border:1px solid var(--line2);border-radius:99px;padding:8px 12px;text-decoration:none;backdrop-filter:blur(6px);transition:color .2s,border-color .2s}
.bar a.back:hover{color:var(--ink);border-color:var(--accent)}
html[data-theme="papel"] .bar a.back,html[data-theme="sepia"] .bar a.back{background:rgba(255,255,255,.55)}
@media(max-width:560px){ .bar .brand .course{display:none} }

/* COLD-OPEN */
.hero{position:relative;min-height:92vh;display:grid;place-items:center;padding:7vh clamp(24px,5vw,60px);overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(55% 48% at 80% 20%,rgba(124,224,198,.16),transparent 60%),radial-gradient(50% 42% at 10% 90%,rgba(242,180,92,.11),transparent 55%),radial-gradient(90% 90% at 50% 40%,var(--bg2),var(--bg) 72%);
  animation:drift 24s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-1.5%,1.2%,0) scale(1.05)}}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1040px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:44px}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin:0 0 20px}
.hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(40px,6.6vw,74px);line-height:1.0;letter-spacing:-.025em;margin:0 0 22px}
.hero h1 em{font-style:italic;color:var(--accent)}
.lead{font-family:var(--serif);font-weight:400;font-size:clamp(19px,2.1vw,24px);line-height:1.5;color:var(--ink-soft);max-width:38ch;margin:0}
.cue{margin-top:34px;font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px}
.cue .arw{display:inline-block;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}
.herofig{display:grid;place-items:center}
.herofig svg{width:min(100%,360px);height:auto;filter:drop-shadow(0 20px 50px rgba(0,0,0,.5))}
.blink{animation:blink 1.1s steps(1) infinite} @keyframes blink{50%{opacity:0}}
.pulse{animation:pulse 2.4s ease-in-out infinite} @keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}

/* body: reading + living rail */
.layout{max-width:1160px;margin:0 auto;padding:2vh clamp(24px,5vw,60px) 12vh;display:grid;grid-template-columns:minmax(0,var(--read)) 360px;gap:64px;position:relative;z-index:2}
.col p{font-size:var(--prose-size,18px);line-height:var(--prose-lh,1.75);color:var(--ink-soft);margin:0 0 22px}
.col p b{color:var(--ink);font-weight:600}
.step{min-height:76vh;display:flex;flex-direction:column;justify-content:center;padding:5vh 0}
h2{font-family:var(--serif);font-weight:500;font-size:clamp(27px,3.6vw,38px);line-height:1.12;letter-spacing:-.015em;margin:0 0 8px;display:flex;align-items:baseline;gap:12px}
h2 .n{font-family:var(--mono);font-size:14px;color:var(--accent);font-weight:400}
.col ul{margin:6px 0 22px;padding:0;list-style:none}
.col li{position:relative;padding-left:26px;margin:0 0 13px;color:var(--ink-soft);font-size:var(--prose-size,17.5px);line-height:var(--prose-lh,1.7)}
.col li::before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.col li b{color:var(--ink)}
code{font-family:var(--mono);font-size:.85em;background:rgba(124,224,198,.12);color:var(--accent);padding:2px 6px;border-radius:5px}
html[data-theme="papel"] code,html[data-theme="sepia"] code{background:rgba(15,122,97,.12)}
pre{margin:26px 0;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--figbg2);color:#D7E9E2;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.7}
pre .k{color:#7CE0C6} pre .s{color:#F2B45C}
pre .c{color:#6C6580}
mark.hl{background:var(--hl);color:inherit;border-radius:3px;padding:0 2px;cursor:pointer}
.colfig{margin:26px 0;text-align:center;border:1px solid var(--line);border-radius:16px;padding:22px;background:linear-gradient(180deg,var(--figbg1),var(--figbg2))}
.colfig svg{width:min(100%,320px);height:auto}
.colfig figcaption{margin-top:12px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--faint)}
details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px 0;margin:26px 0 0}
summary{cursor:pointer;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);list-style:none;padding:10px 0}
summary::-webkit-details-marker{display:none}
summary::before{content:"↓ ";color:var(--faint)} details[open] summary::before{content:"↑ "}
details p{font-size:16px}

.readbtn{margin-top:14px;align-self:flex-start;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);background:none;border:1px solid var(--line2);border-radius:99px;padding:8px 14px;cursor:pointer;transition:all .2s}
.readbtn:hover{border-color:var(--accent);color:var(--ink)}
.readbtn.done{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}

/* teste-se */
.quiz{margin:26px 0 0;padding:20px 22px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0 14px 14px 0;background:var(--panel)}
.quiz .qk{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.quiz .q{font-weight:600;color:var(--ink);margin:0 0 14px;font-size:16.5px}
.quiz .opt{display:block;width:100%;text-align:left;font-family:var(--sans);font-size:15px;color:var(--ink-soft);background:var(--panel2);border:1px solid var(--line2);border-radius:10px;padding:11px 14px;margin:0 0 8px;cursor:pointer;transition:all .15s}
.quiz .opt:hover{border-color:var(--accent)}
.quiz .opt.right{border-color:var(--accent);background:rgba(124,224,198,.14);color:var(--ink)}
.quiz .opt.wrong{border-color:#E0736F;background:rgba(224,115,111,.12)}
.quiz .qfb{margin:8px 0 0;font-size:14px;color:var(--muted);min-height:0}
.quiz .qfb.on{margin-top:12px}

/* pratique agora (mão na massa, passos verificáveis) */
.practice{margin:8vh 0 0;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,var(--panel),var(--bg2));padding:26px 28px}
.practice .pk{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 10px;display:flex;align-items:center;gap:12px}
.practice .pcount{color:var(--faint);letter-spacing:.04em}
.practice.done .pcount{color:var(--accent)}
.practice .ph{font-family:var(--serif);font-weight:500;font-size:24px;line-height:1.15;letter-spacing:-.01em;margin:0 0 10px}
.practice .pgoal{font-size:16px;color:var(--ink-soft);margin:0 0 18px}
.pcodewrap{position:relative;margin:0 0 20px}
.pcodewrap .pcode{margin:0}
.pcopy{position:absolute;top:10px;right:10px;z-index:2;font-family:var(--mono);font-size:11px;color:var(--ink-soft);background:var(--panel2);border:1px solid var(--line2);border-radius:8px;padding:5px 10px;cursor:pointer;transition:border-color .2s,color .2s}
.pcopy:hover{border-color:var(--accent);color:var(--ink)}
.psteps{list-style:none;margin:0;padding:0}
.psteps li{position:relative;padding-left:0;margin:0 0 12px;color:var(--ink-soft);font-size:16px;line-height:1.6}
.psteps li::before{display:none}
.psteps label{display:flex;align-items:flex-start;gap:12px;cursor:pointer}
.psteps input{appearance:none;-webkit-appearance:none;flex:0 0 auto;width:20px;height:20px;margin:1px 0 0;border:1.5px solid var(--line2);border-radius:6px;background:var(--panel2);cursor:pointer;position:relative;transition:border-color .2s,background .2s}
.psteps input:checked{background:var(--accent);border-color:var(--accent)}
.psteps input:checked::after{content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;border:solid var(--accent-ink);border-width:0 2px 2px 0;transform:rotate(45deg)}
.psteps input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.practice .pdone{display:none;margin:18px 0 0;padding:14px 16px;border:1px solid var(--accent-dim);border-radius:12px;background:rgba(124,224,198,.08);color:var(--ink);font-size:15.5px;line-height:1.6}
html[data-theme="papel"] .practice .pdone,html[data-theme="sepia"] .practice .pdone{background:rgba(15,122,97,.08)}
.practice.done .pdone{display:block}

/* living rail */
.rail{position:relative}
.railsticky{position:sticky;top:calc(50vh - 200px)}
.figstage{position:relative;height:300px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,var(--figbg1),var(--figbg2));overflow:hidden}
.figstage::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 60% at 50% 35%,rgba(124,224,198,.08),transparent 70%);pointer-events:none}
.fig{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:scale(.96) translateY(10px);transition:opacity .5s ease,transform .5s ease;pointer-events:none}
.fig.on{opacity:1;transform:none;pointer-events:auto}
.fig svg{width:80%;height:auto}
.railcap{margin-top:16px;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--muted);min-height:34px}
.railcap b{color:var(--accent);font-weight:400}
.steps-ind{margin-top:14px;display:flex;gap:7px}
.steps-ind i{flex:1;height:3px;border-radius:2px;background:var(--line2);transition:background .3s}
.steps-ind i.on{background:var(--accent)}
.sidenote{margin-top:22px;font-size:13.5px;line-height:1.55;color:var(--muted);border-left:2px solid var(--line2);padding-left:14px}
.sidenote b{color:var(--ink-soft);font-weight:600}
.breathe{animation:breathe 4s ease-in-out infinite} @keyframes breathe{0%,100%{opacity:.5}50%{opacity:1}}

footer{max-width:1160px;margin:0 auto;padding:0 clamp(24px,5vw,60px) 14vh;color:var(--faint);font-size:14px;font-family:var(--serif);font-style:italic;border-top:1px solid var(--line);padding-top:6vh}

/* selection toolbar */
.seltb{position:absolute;z-index:70;display:none;gap:4px;background:var(--panel2);border:1px solid var(--line2);border-radius:99px;padding:4px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.seltb.on{display:flex}
.seltb button{font-family:var(--mono);font-size:11px;color:var(--ink-soft);background:none;border:none;border-radius:99px;padding:6px 11px;cursor:pointer}
.seltb button:hover{background:var(--accent);color:var(--accent-ink)}

/* panels (jornada / revisar) */
.scrim{position:fixed;inset:0;z-index:80;background:rgba(6,4,12,.6);backdrop-filter:blur(4px);display:none}
.scrim.on{display:block}
.panel{position:fixed;top:0;right:0;height:100%;width:min(420px,92vw);z-index:81;background:var(--bg2);border-left:1px solid var(--line2);transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;overflow-y:auto}
.panel.on{transform:none}
.panel h3{font-family:var(--serif);font-weight:500;font-size:24px;margin:0;padding:22px 24px 6px}
.panel .close{position:absolute;top:16px;right:18px;background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer}
.panel .body{padding:8px 24px 32px}
.block{margin:18px 0 0}
.block .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 8px}
.pbar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.pbar i{display:block;height:100%;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.stat{font-family:var(--serif);font-size:30px;color:var(--ink)}
.stat small{font-family:var(--mono);font-size:12px;color:var(--muted);margin-left:6px}
.mk{border-left:2px solid var(--accent);padding:4px 0 4px 12px;margin:0 0 10px;font-size:14px;color:var(--ink-soft)}
.mk .nt{display:block;color:var(--muted);font-size:12.5px;font-style:italic;margin-top:3px}
.btnrow{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.btnrow button,.big{font-family:var(--mono);font-size:12px;color:var(--ink-soft);background:var(--panel);border:1px solid var(--line2);border-radius:10px;padding:9px 13px;cursor:pointer}
.btnrow button:hover{border-color:var(--accent)}
.big{display:block;width:100%;text-align:center;background:var(--accent);color:var(--accent-ink);border:none;font-weight:700;padding:13px;margin-top:6px}

/* review card */
.rev{padding:8px 24px 28px}
.card{border:1px solid var(--line2);border-radius:16px;background:var(--panel);padding:26px 22px;min-height:150px;display:flex;flex-direction:column;justify-content:center}
.card .side{font-size:18px;color:var(--ink);line-height:1.6}
.card .side.back{color:var(--accent);font-weight:600;margin-top:16px;border-top:1px dashed var(--line2);padding-top:16px}
.grade{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}
.grade button{font-family:var(--mono);font-size:12px;padding:12px;border-radius:10px;border:1px solid var(--line2);background:var(--panel);color:var(--ink-soft);cursor:pointer}
.grade button:hover{border-color:var(--accent)}
.revempty{color:var(--muted);text-align:center;padding:40px 0;font-family:var(--serif);font-style:italic}

/* editor de cartão (reformular o grifo antes de salvar) */
.cedit{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:82;width:min(460px,92vw);max-height:88vh;overflow-y:auto;background:var(--bg2);border:1px solid var(--line2);border-radius:18px;padding:24px 24px 20px;display:none;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.cedit.on{display:block}
.cedit h3{font-family:var(--serif);font-weight:500;font-size:22px;margin:0 0 2px}
.cedit .close{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer}
.cedit label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin:16px 0 6px}
.cedit textarea{width:100%;background:var(--panel);border:1px solid var(--line2);border-radius:10px;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.5;padding:10px 12px;resize:vertical;min-height:56px}
.cedit textarea:focus{outline:none;border-color:var(--accent)}
.cehint{font-size:12.5px;color:var(--muted);margin:12px 0 0;line-height:1.5}
.cehint b{color:var(--ink-soft)}
.cerow{display:flex;gap:8px;margin-top:16px;align-items:stretch}
.cerow .big{margin-top:0;flex:1}
.cerow #cecancel{font-family:var(--mono);font-size:12px;color:var(--ink-soft);background:var(--panel);border:1px solid var(--line2);border-radius:10px;padding:9px 16px;cursor:pointer}
.cerow #cecancel:hover{border-color:var(--accent)}

/* preferências de leitura (popover) */
.prefs{position:fixed;top:60px;right:clamp(16px,4vw,40px);z-index:70;background:var(--bg2);border:1px solid var(--line2);border-radius:14px;padding:15px 16px 13px;display:none;box-shadow:0 16px 40px rgba(0,0,0,.45);width:236px}
.prefs.on{display:block}
.prefs .prow{display:flex;align-items:center;justify-content:space-between;margin:0 0 11px;font-family:var(--sans);font-size:13px;color:var(--ink-soft)}
.prefs .pbtns{display:flex;gap:6px}
.prefs .pbtns button{font-family:var(--mono);font-size:12px;color:var(--ink-soft);background:var(--panel);border:1px solid var(--line2);border-radius:8px;min-width:32px;height:28px;cursor:pointer;transition:border-color .2s,color .2s}
.prefs .pbtns button:hover{border-color:var(--accent);color:var(--ink)}
.prefs .preset{width:100%;margin-top:3px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted);background:none;border:1px solid var(--line2);border-radius:8px;padding:8px;cursor:pointer;transition:border-color .2s,color .2s}
.prefs .preset:hover{border-color:var(--accent);color:var(--ink)}

/* acessibilidade + atalhos */
.sronly{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.revhint{text-align:center;color:var(--faint);font-family:var(--mono);font-size:10.5px;letter-spacing:.03em;margin:10px 0 0}
.bar button:focus-visible,.bar a:focus-visible,.subnav a:focus-visible,.readbtn:focus-visible,.opt:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.view[data-aula] h1:focus{outline:none}

/* mapa nomeado da aula (rail) */
.aulamap{margin-top:18px;display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:14px}
.amrow{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:none;border:none;border-radius:8px;padding:6px 8px;cursor:pointer;color:var(--muted);font-family:var(--sans);font-size:12.5px;line-height:1.3;transition:background .2s,color .2s}
.amrow:hover{background:var(--panel);color:var(--ink-soft)}
.amrow.on{color:var(--ink)}
.amn{flex:0 0 auto;font-family:var(--mono);font-size:10px;width:20px;height:20px;display:grid;place-items:center;border:1px solid var(--line2);border-radius:6px;color:var(--muted);transition:all .2s}
.amrow.on .amn{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}
.amt{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.amck{flex:0 0 auto;color:var(--accent);opacity:0;font-size:12px;transition:opacity .2s}
.amrow.done .amck{opacity:1}
.amrow.done .amt{color:var(--ink-soft)}
.amrow:focus-visible{outline:2px solid var(--accent);outline-offset:1px}

/* onboarding (boas-vindas de 1º uso) */
.welcome{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:82;width:min(480px,92vw);max-height:88vh;overflow-y:auto;background:var(--bg2);border:1px solid var(--line2);border-radius:18px;padding:28px 28px 24px;display:none;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.welcome.on{display:block}
.welcome .close{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer}
.welcome .wk{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 8px}
.welcome h3{font-family:var(--serif);font-weight:500;font-size:26px;margin:0 0 16px;letter-spacing:-.01em}
.wlist{list-style:none;margin:0 0 20px;padding:0}
.wlist li{margin:0 0 12px;color:var(--ink-soft);font-size:15px;line-height:1.55;padding-left:16px;position:relative}
.wlist li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent)}
.wlist li b{color:var(--ink)}
.welcome .big{margin-top:0}

/* copiar em blocos de código (fora do pratique) */
.codewrap{position:relative;margin:26px 0}
.codewrap pre{margin:0}

/* glossário sob demanda (termo com definição no hover/foco) */
.gterm{position:relative;border-bottom:1px dotted currentColor;cursor:help}
.gterm:focus{outline:none;color:var(--accent)}
.gterm::after{content:attr(data-def);position:absolute;left:0;bottom:calc(100% + 8px);z-index:45;width:max-content;max-width:min(280px,72vw);background:var(--panel2);border:1px solid var(--line2);border-radius:10px;padding:10px 12px;font-family:var(--sans);font-size:13px;font-weight:400;font-style:normal;line-height:1.45;color:var(--ink-soft);box-shadow:0 12px 34px rgba(0,0,0,.45);white-space:normal;opacity:0;visibility:hidden;transform:translateY(4px);transition:opacity .18s,transform .18s,visibility .18s;pointer-events:none}
.gterm:hover::after,.gterm:focus::after{opacity:1;visibility:visible;transform:none}

/* reflexão / nota por seção */
.reflect{border-top:1px solid var(--line);border-bottom:none;padding:0;margin:18px 0 0}
.reflect summary{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:12px 0;cursor:pointer;list-style:none}
.reflect summary::-webkit-details-marker{display:none}
.reflect summary::before{content:"✍ ";color:var(--faint)}
.reflect[open] summary::before{content:"✍ ";color:var(--accent)}
.reflect.has summary{color:var(--accent)}
.reflect.has summary::after{content:" ●";color:var(--accent);font-size:9px;vertical-align:middle}
.reflecta{width:100%;background:var(--panel);border:1px solid var(--line2);border-radius:10px;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6;padding:12px 14px;resize:vertical;min-height:72px;margin:0 0 14px}
.reflecta:focus{outline:none;border-color:var(--accent)}

/* recap de fim de aula */
.recap{margin:8vh 0 0;border-top:2px solid var(--line2);padding-top:26px}
.recap .rk{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.recap .rtext{font-size:16px;color:var(--ink-soft);margin:0 0 16px;line-height:1.6}
.recap .big{margin-top:0}
.recap-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:0}
.recap-actions .big{width:auto;flex:1;margin-top:0}

/* subnav (trilhas no topo) — usado quando presente */
.subnav-inner{max-width:1160px;margin:0 auto;padding:2px clamp(24px,5vw,60px) 10px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.subnav a{pointer-events:auto;flex:0 0 auto;font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;white-space:nowrap;text-decoration:none;color:var(--muted);background:rgba(20,19,29,.5);border:1px solid var(--line2);border-radius:99px;padding:6px 11px;backdrop-filter:blur(6px);transition:color .2s,border-color .2s}
html[data-theme="papel"] .subnav a,html[data-theme="sepia"] .subnav a{background:rgba(255,255,255,.5)}
.subnav a:hover{color:var(--ink);border-color:var(--accent)}
.subnav a.cur{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}
/* restaura o fundo/cor do chip atual nos temas claros — senão o override de .subnav a (papel/sépia) clobbera o fundo e o texto (accent-ink=branco) some */
html[data-theme="papel"] .subnav a.cur,html[data-theme="sepia"] .subnav a.cur{background:var(--accent);color:var(--accent-ink)}
.subnav a.soon{opacity:.55}

@media(max-width:940px){
  .hero{min-height:auto;padding:14vh 24px 8vh}
  .hero-inner{grid-template-columns:1fr;gap:26px}
  .layout{grid-template-columns:1fr;gap:0}
  .rail{display:none}
  .step{min-height:auto;padding:5vh 0}
  .mobfig{display:block!important;margin:22px 0;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,var(--figbg1),var(--figbg2));padding:20px;text-align:center}
  .mobfig svg{width:min(100%,300px)}
}
.mobfig{display:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important}.fig{transition:none}.panel{transition:none}}

/* ======================================================================
   DELTA v5 — SOMENTE ADIÇÕES (spec §13). Nenhuma regra acima foi alterada;
   tokens intocados. 9 componentes + 3 quadros + seções novas do painel +
   ícones (set fechado ≤10, DV-3) + nota mínima de print (D-08).
   ====================================================================== */

/* --- 1/2: promessa + por-que-importa (cold-open, após kicker/h1) --- */
.promise{margin:18px 0 0;padding:14px 18px;border:1px solid var(--line2);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;background:var(--panel);font-family:var(--serif);font-size:17px;line-height:1.5;color:var(--ink)}
.promise::before{content:"PROMESSA";display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--accent);margin:0 0 6px}
.why{margin:14px 0 0;font-size:15.5px;line-height:1.6;color:var(--ink-soft);max-width:42ch}

/* tempo (item 9) — badge renderizado pelo motor a partir de data-tempo */
.tempo-badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);margin-top:10px}
.tempo-badge::before{content:"◷";color:var(--accent)}

/* --- 3: erro comum --- */
.qerr{margin:26px 0 0;padding:18px 20px;border:1px solid var(--line);border-left:3px solid var(--warm);border-radius:0 14px 14px 0;background:var(--panel)}
.qerr .qk{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--warm);margin:0 0 10px}
.qerr .qerr-txt{font-size:15.5px;line-height:1.6;color:var(--ink-soft);margin:0 0 8px}
.qerr .qerr-txt b{color:var(--ink)}

/* --- 4: antes/depois --- */
.qbefore-after{margin:26px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:1px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--line)}
.qbefore-after .qba-col{background:var(--panel);padding:16px 18px}
.qbefore-after .qba-lbl{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px}
.qbefore-after .qba-before .qba-lbl{color:var(--muted)}
.qbefore-after .qba-depois .qba-lbl{color:var(--accent)}
.qbefore-after .qba-txt{font-size:14.5px;line-height:1.55;color:var(--ink-soft)}
.qbefore-after .qba-saldo{grid-column:1/-1;background:var(--bg2);padding:12px 18px;font-size:13.5px;color:var(--ink-soft);border-top:1px solid var(--line)}
.qbefore-after .qba-saldo b{color:var(--accent)}

/* --- 5: prática multi-modo — ícone por data-mode, base .practice herdada intacta --- */
.practice .pk[data-mode-label]::before{font-family:var(--mono);margin-right:8px}
.practice[data-mode="prompt"] .pk::before{content:"⌘";color:var(--accent)}
.practice[data-mode="tarefa"] .pk::before{content:"✓";color:var(--accent)}
.practice[data-mode="analise"] .pk::before{content:"◎";color:var(--accent)}
.practice[data-mode="codigo"] .pk::before{content:"</>";color:var(--accent)}
.psafe{margin:0 0 18px;padding:12px 14px;border:1px dashed var(--line2);border-radius:10px;background:var(--bg2);font-size:14px;line-height:1.55;color:var(--muted)}
.psafe::before{content:"✓ seguro — ";color:var(--accent);font-weight:600}

/* --- 6: resumo autoral (distinto do .recap do motor, que vem DEPOIS no DOM) --- */
.recap-autor{margin:8vh 0 0;border-top:2px solid var(--line2);padding-top:26px}
.recap-autor .rak{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.recap-autor ul{list-style:none;margin:0;padding:0}
.recap-autor li{position:relative;padding-left:22px;margin:0 0 10px;color:var(--ink-soft);font-size:15.5px;line-height:1.6}
.recap-autor li::before{content:"—";position:absolute;left:0;color:var(--accent)}

/* --- 7: microação + gancho --- */
.next-action{margin:22px 0 0;padding:18px 20px;border:1px solid var(--accent-dim);border-radius:14px;background:rgba(124,224,198,.06)}
html[data-theme="papel"] .next-action,html[data-theme="sepia"] .next-action{background:rgba(15,122,97,.06)}
.next-action .nak{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.next-action .na-win{font-size:16px;color:var(--ink);margin:0 0 8px;font-weight:600}
.next-action .na-action{font-size:15px;color:var(--ink-soft);margin:0 0 8px;line-height:1.55}
.next-action .na-hook{font-size:14px;color:var(--muted);font-style:italic;margin:0}

/* --- 8: tipo (fundamento/ferramenta) + versão --- */
.step[data-kind]{position:relative}
.step[data-kind] h2::after{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;vertical-align:middle;margin-left:10px;padding:3px 8px;border-radius:99px;border:1px solid var(--line2);color:var(--muted)}
.step[data-kind="fundamento"] h2::after{content:"● fundamento"}
.step[data-kind="ferramenta"] h2::after{content:"▲ ferramenta"}
.data-versao,[data-versao]::before{font-family:var(--mono);font-size:10.5px;color:var(--warm)}
.step[data-versao] h2::before{content:attr(data-versao);display:block;font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--warm);margin-bottom:6px}

/* --- quadros: aplicação / passo-a-passo / frase-âncora --- */
.qapply{margin:26px 0 0;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.qapply .qak{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.qapply ul{list-style:none;margin:0;padding:0}
.qapply li{position:relative;padding-left:20px;margin:0 0 8px;color:var(--ink-soft);font-size:14.5px;line-height:1.55}
.qapply li::before{content:"→";position:absolute;left:0;color:var(--accent)}
.qapply b{color:var(--ink)}

.qsteps{margin:26px 0 0;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.qsteps .qsk{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.qsteps ol{margin:0;padding:0 0 0 20px;color:var(--ink-soft);font-size:15px;line-height:1.6}
.qsteps li{margin:0 0 8px}
.qsteps li b{color:var(--ink)}

.qanchor{margin:36px 0;text-align:center;padding:8px 0}
.qanchor p{font-family:var(--serif);font-style:italic;font-size:clamp(21px,2.6vw,27px);line-height:1.4;color:var(--ink);max-width:32ch;margin:0 auto}

/* --- ícones do painel/estado (set fechado ≤10, DV-3) --- */
.ic-fundamento::before{content:"●";color:var(--accent);margin-right:6px}
.ic-ferramenta::before{content:"▲";color:var(--warm);margin-right:6px}
.ic-modo-prompt::before{content:"⌘";color:var(--accent);margin-right:6px}
.ic-modo-tarefa::before{content:"✓";color:var(--accent);margin-right:6px}
.ic-modo-analise::before{content:"◎";color:var(--accent);margin-right:6px}
.ic-modo-codigo::before{content:"</>";color:var(--accent);margin-right:6px}
.ic-concluida::before{content:"✓";color:var(--accent);margin-right:6px}
.ic-andamento::before{content:"◐";color:var(--muted);margin-right:6px}
.ic-pendente::before{content:"○";color:var(--faint);margin-right:6px}
.ic-psafe::before{content:"✓";color:var(--accent);margin-right:6px}

/* --- painel D-09: seções novas (dentro do #jornada existente, aditivo) --- */
.capacidades{list-style:none;margin:0;padding:0}
.capacidades li{position:relative;padding-left:20px;margin:0 0 9px;color:var(--ink-soft);font-size:14px;line-height:1.5}
.capacidades li::before{content:"✓";position:absolute;left:0;color:var(--accent)}
.capacidades-empty{color:var(--muted);font-size:13.5px;font-style:italic}
.timeinvest{display:flex;gap:20px;margin:4px 0 0}
.timeinvest .ti-block{flex:1}
.timeinvest .ti-num{font-family:var(--serif);font-size:26px;color:var(--ink)}
.timeinvest .ti-lbl{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--muted);display:block;margin-top:2px}
.praticas-check{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.praticas-check span{width:22px;height:22px;display:grid;place-items:center;border-radius:6px;border:1px solid var(--line2);font-family:var(--mono);font-size:10px;color:var(--faint)}
.praticas-check span.done{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.pendentes-tone{font-size:13.5px;color:var(--ink-soft);line-height:1.5;margin:6px 0 0}
.pendentes-tone b{color:var(--accent)}
.trilha-sintese{margin-top:6px;font-family:var(--serif);font-style:italic;font-size:15px;color:var(--ink-soft);line-height:1.5}

/* --- statcards da trilha (AD-8, progresso agregado) --- */
.statcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin:0 0 6vh}
.statcard{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:16px 18px}
.statcard .sc-num{font-family:var(--serif);font-size:28px;color:var(--ink)}
.statcard .sc-lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--muted);display:block;margin-top:4px}

/* --- estado tempo+estado no card da trilha (.au .meta já existe; só adiciona o ícone) --- */
.au .meta .ic-concluida,.au .meta .ic-andamento,.au .meta .ic-pendente{margin-right:2px}

/* --- print mínimo (D-08 — nada quebra grosseiramente; sem suporte real de paginação) --- */
@media print{
  .bar,.prog,.grain,.panel,.scrim,.cedit,.prefs,.welcome,.seltb,.readbtn,.pcopy,.subnav{display:none!important}
  body{background:#fff!important;color:#111!important}
  .hero,.step,.practice,.qerr,.qbefore-after,.qapply,.qsteps,.recap-autor,.next-action{background:none!important;border-color:#ccc!important}
  a{color:#111!important;text-decoration:underline}
}

/* ---- termdemo: demo real de comando, 2ª opção pro slot de figura do step (v5 delta) ---- */
.termdemo{width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}
.fig.termdemo{position:absolute;inset:0;padding:24px}
.termdemo-reveal{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--muted);background:var(--panel2);border:1px solid var(--line2);border-radius:99px;padding:10px 18px;cursor:pointer;transition:border-color .2s,color .2s}
.termdemo-reveal:hover{border-color:var(--accent);color:var(--ink)}
.termdemo-body{width:100%}
.termdemo-body[hidden]{display:none}
.termdemo-cmd{display:none;width:100%}
.termdemo-cmd.on{display:block}
.termdemo-k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 8px}
.termdemo-cmd[data-variant="erro"] .termdemo-k{color:var(--warm)}
.termdemo-in{font-family:var(--mono);font-size:13.5px;color:var(--ink);background:var(--panel2);border:1px solid var(--line2);border-radius:10px 10px 0 0;padding:10px 14px;margin:0;white-space:pre-wrap}
.termdemo-out{font-family:var(--mono);font-size:12.5px;color:var(--ink-soft);background:var(--bg2);border:1px solid var(--line2);border-top:none;border-radius:0 0 10px 10px;padding:10px 14px;margin:0 0 14px;white-space:pre-wrap}
.termdemo-out.termdemo-err{color:var(--warm)}
.termdemo-toggle{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted);background:none;border:1px solid var(--line2);border-radius:99px;padding:8px 14px;cursor:pointer;transition:border-color .2s,color .2s}
.termdemo-toggle:hover{border-color:var(--accent);color:var(--ink)}

/* ---- fecho-wrap: alinha recap-autor/next-action com a largura do .layout (fix desalinhamento) ---- */
.fecho-wrap{max-width:1160px;margin:0 auto;padding:0 clamp(24px,5vw,60px)}
.fecho-wrap .recap-autor,.fecho-wrap .next-action{max-width:var(--read)}

/* ---- painel de exercícios (refazer exercícios da trilha inteira) ---- */
.exlist{display:flex;flex-direction:column;gap:10px}
.exrow{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.exinfo{display:flex;flex-direction:column;gap:4px}
.ext{margin:0;font-size:14.5px;color:var(--ink)}
.exstat{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.exstat.done{color:var(--accent)}
.exactions{display:flex;gap:8px;flex-shrink:0}
.exgo,.exreset{font-family:var(--mono);font-size:11px;color:var(--ink-soft);background:var(--panel2);border:1px solid var(--line2);border-radius:99px;padding:8px 12px;cursor:pointer;transition:border-color .2s,color .2s}
.exgo:hover,.exreset:hover{border-color:var(--accent);color:var(--ink)}