:root{
    --bg:#070707;
    --bg2:#0C0C0C;
    --card:#121212;
    --field:#0A0A0A;
    --line:rgba(246,226,200,.11);
    --line-2:rgba(246,226,200,.20);
    --cream:#F6E2C8;
    --green:#1FE08C;
    --amber:#F7B500;
    --txt:#EDEBE7;
    --muted:#9A958D;
    --dim:#6B6760;
    --display:'Sora',ui-sans-serif,system-ui,sans-serif;
    --body:'Manrope',ui-sans-serif,system-ui,sans-serif;
    --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  }
  *,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
  [hidden]{display:none!important}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    background:var(--bg);
    color:var(--txt);
    font-family:var(--body);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
    padding-bottom:120px;
  }
  ::selection{background:rgba(31,224,140,.25);color:#fff}
  .wrap{width:100%;max-width:820px;margin:0 auto;padding:0 24px}

  /* ---------- barra fixa ---------- */
  .bar{
    position:sticky;top:0;z-index:50;
    background:rgba(7,7,7,.92);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .bar-in{display:flex;align-items:center;gap:18px;padding:12px 24px;max-width:820px;margin:0 auto}
  .bar img{height:20px;width:auto;opacity:.9;flex:none}
  .bar .sep{width:1px;height:18px;background:var(--line-2);flex:none}
  .bar .prog{flex:1;min-width:0}
  .prog-track{height:4px;border-radius:99px;background:#1b1b1b;overflow:hidden}
  .prog-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--green),#9df0c6);transition:width .35s ease}
  .prog-lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--dim);margin-top:5px;text-transform:uppercase}
  .prog-lbl b{color:var(--cream);font-weight:500}
  button{font-family:var(--body);cursor:pointer}
  .btn{
    flex:none;border:1px solid var(--line-2);background:transparent;color:var(--cream);
    font-size:12.5px;font-weight:600;border-radius:99px;padding:8px 16px;
    transition:border-color .2s,background .2s,color .2s;white-space:nowrap;
  }
  .btn:hover{border-color:var(--green);color:var(--green)}
  .btn:focus-visible{outline:2px solid var(--green);outline-offset:2px}
  .btn.done{border-color:var(--green);color:var(--green)}
  @media(max-width:620px){.bar .sep,.bar img{display:none}.bar-in{gap:12px;padding:10px 20px}}

  /* ---------- capa ---------- */
  .hero{padding:78px 0 54px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
  .hero::after{
    content:'';position:absolute;inset:auto -20% -60% 40%;height:340px;
    background:radial-gradient(closest-side,rgba(31,224,140,.10),transparent 72%);pointer-events:none;
  }
  .eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--green);margin-bottom:22px}
  h1{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1.06;font-size:clamp(36px,6.2vw,60px);text-wrap:balance}
  h1 em{font-style:normal;color:var(--cream)}
  .hero p{max-width:62ch;color:var(--muted);font-size:17px;margin-top:22px}
  .hero p + p{margin-top:14px}
  .hero strong{color:var(--txt);font-weight:600}
  .meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
  .chip{
    font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted);
    border:1px solid var(--line);border-radius:99px;padding:6px 13px;background:var(--bg2);
  }
  .chip b{color:var(--cream);font-weight:500}

  /* ---------- como usar ---------- */
  .howto{padding:38px 0;border-bottom:1px solid var(--line)}
  .howto h2{font-family:var(--display);font-size:15px;font-weight:700;letter-spacing:.01em;margin-bottom:16px}
  .howto ul{list-style:none;display:grid;gap:11px}
  .howto li{position:relative;padding-left:26px;color:var(--muted);font-size:15px;max-width:64ch}
  .howto li::before{content:'';position:absolute;left:6px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--amber)}
  .howto li b{color:var(--txt);font-weight:600}

  /* ---------- blocos ---------- */
  .block{padding:52px 0;border-bottom:1px solid var(--line)}
  .block-head{display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;margin-bottom:30px}
  .block-n{
    font-family:var(--mono);font-size:13px;font-weight:700;color:var(--green);
    border:1px solid var(--line-2);border-radius:10px;
    height:44px;display:flex;align-items:center;justify-content:center;background:var(--bg2);
  }
  .block-head h2{font-family:var(--display);font-weight:700;font-size:clamp(23px,3.4vw,30px);letter-spacing:-.02em;line-height:1.2;text-wrap:balance}
  .block-why{color:var(--muted);font-size:15px;margin-top:9px;max-width:60ch}
  @media(max-width:560px){.block-head{grid-template-columns:1fr;gap:14px}.block-n{width:44px}}

  .q{padding:22px 0;border-top:1px dashed var(--line)}
  .q:first-of-type{border-top:none;padding-top:0}
  .q-top{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:baseline}
  .q-num{font-family:var(--mono);font-size:12px;color:var(--dim);padding-top:2px}
  .q-txt{font-size:16.5px;font-weight:600;color:var(--txt);line-height:1.45;text-wrap:pretty}
  .q-hint{grid-column:2;font-size:13.5px;color:var(--dim);margin-top:5px;max-width:58ch}
  .q-hint b{color:var(--amber);font-weight:600}
  .grow{display:grid;grid-template-columns:minmax(0,1fr);margin:12px 0 0 50px;max-width:calc(100% - 50px)}
  .grow::after{
    content:attr(data-v) ' ';
    white-space:pre-wrap;visibility:hidden;
    min-height:50px;
  }
  .grow.lg::after{min-height:100px}
  .grow > textarea,
  .grow::after{
    grid-area:1/1/2/2;
    width:100%;
    background:var(--field);color:var(--txt);
    border:1px solid var(--line);border-radius:11px;
    font-family:var(--body);font-size:15.5px;line-height:1.6;font-weight:400;letter-spacing:normal;
    overflow-wrap:break-word;
    padding:13px 15px;
    margin:0;
  }
  .grow > textarea{resize:none;overflow:hidden;transition:border-color .18s,background .18s}
  textarea::placeholder{color:#4A4741}
  .grow > textarea:hover{border-color:var(--line-2)}
  .grow > textarea:focus{outline:none;border-color:var(--green);background:#0B0F0D}
  .grow > textarea.filled{box-shadow:inset 2px 0 0 var(--green)}
  @media(max-width:560px){.grow{margin-left:0;max-width:100%}.q-hint{grid-column:1/-1}.q-top{grid-template-columns:28px 1fr;gap:8px}}

  /* ---------- fechamento ---------- */
  .final{padding:56px 0}
  .formula{
    background:linear-gradient(165deg,#141414,#0B0B0B);
    border:1px solid var(--line-2);border-radius:18px;padding:30px;margin-bottom:8px;
  }
  .formula .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin-bottom:14px}
  .formula p{font-family:var(--display);font-size:clamp(19px,2.7vw,24px);font-weight:600;line-height:1.5;color:var(--cream);text-wrap:balance}
  .formula p span{color:var(--green);border-bottom:1px dashed rgba(31,224,140,.5);padding-bottom:2px}
  .end{text-align:center;padding:44px 0 0;color:var(--dim);font-size:13px}
  .end img{height:22px;opacity:.55;margin-bottom:12px}
  .end .actions{display:flex;gap:12px;justify-content:center;margin-bottom:28px;flex-wrap:wrap}
  .toast{
    position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);
    background:var(--cream);color:#0A0A0A;font-size:14px;font-weight:600;
    padding:11px 20px;border-radius:99px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:99;
  }
  .toast.show{opacity:1;transform:translate(-50%,0)}
  @media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

  /* ---------- status de salvamento ---------- */
  .save{
    display:flex;align-items:center;gap:7px;flex:none;
    font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--dim);white-space:nowrap;
  }
  .save .dot{width:7px;height:7px;border-radius:50%;background:var(--dim);flex:none;transition:background .2s}
  .save.ok .dot{background:var(--green)}
  .save.saving .dot{background:var(--amber);animation:pulse 1s ease-in-out infinite}
  .save.warn{color:var(--amber)} .save.warn .dot{background:var(--amber)}
  .save.err{color:var(--red)} .save.err .dot{background:var(--red)}
  @keyframes pulse{50%{opacity:.35}}
  @media(max-width:820px){.save span{display:none}}

  /* ---------- estados de tela cheia ---------- */
  .gate{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:40px 24px}
  .gate .box{max-width:520px;text-align:center}
  .gate img{height:26px;opacity:.8;margin-bottom:26px}
  .gate h2{font-family:var(--display);font-size:26px;font-weight:700;letter-spacing:-.02em;margin-bottom:12px}
  .gate p{color:var(--muted);font-size:16px}
  .gate a{color:var(--green);text-decoration:none;border-bottom:1px solid rgba(31,224,140,.4)}

  /* ---------- revisão ---------- */
  .review{
    position:fixed;inset:0;z-index:80;background:var(--bg);overflow-y:auto;
    display:none;
  }
  .review.open{display:block}
  .review-bar{
    position:sticky;top:0;background:rgba(7,7,7,.94);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .review-bar .in{display:flex;align-items:center;gap:14px;max-width:820px;margin:0 auto;padding:12px 24px}
  .review-bar h2{font-family:var(--display);font-size:16px;font-weight:700;flex:1;letter-spacing:-.01em}
  .review-body{max-width:820px;margin:0 auto;padding:36px 24px 90px}
  .rv-block{margin-bottom:34px}
  .rv-block h3{
    font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--green);padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:18px;
  }
  .rv-q{margin-bottom:18px}
  .rv-q .p{font-size:14.5px;color:var(--muted);margin-bottom:4px}
  .rv-q .a{font-size:16px;color:var(--txt);white-space:pre-wrap;border-left:2px solid var(--line-2);padding-left:14px}
  .rv-q.vazia .a{color:var(--dim);font-style:italic;border-left-color:var(--line)}
  .rv-empty{color:var(--muted);font-size:16px}

  /* ---------- impressão da revisão ---------- */
  @media print{
    body{background:#fff;color:#111}
    body.printing .bar,body.printing .hero,body.printing .howto,
    body.printing #blocks,body.printing .final,body.printing .toast,
    body.printing .review-bar{display:none!important}
    body.printing .review{position:static;overflow:visible;background:#fff;display:block}
    body.printing .review-body{padding:0}
    body.printing .rv-block h3{color:#111;border-color:#ccc}
    body.printing .rv-block{break-inside:avoid;page-break-inside:avoid}
    body.printing .rv-q{break-inside:avoid;page-break-inside:avoid}
    body.printing .rv-q .p{color:#555}
    body.printing .rv-q .a{color:#111;border-left-color:#bbb}
  }