/* Identidade "papel, lapis de cor e acolhimento"
   Cores e formas vêm das capas dos guias em PDF (fundo creme, bolhas pastel, azul-petróleo, coral, verde).
   Títulos: Fredoka. Texto: Nunito. Ícones de linha em azulejos pastel, sem emojis. */
:root{
  --bg:#FFF8EE; --card:#FFFFFF; --ink:#1F2A44; --muted:#66728A; --line:#EFE3CF; --paper:#FBF1E0;
  --p1:#0F7C80; --p2:#16A3A1; --on-p:#FFFFFF; --g:#2E8B57; --coral:#E2574C; --sun:#F5C451;
  --sky:#DDF3F4; --butter:#FCEFC4; --rose:#FBDDE1; --mint:#DDF0DF; --lilac:#E8E1FA; --peach:#FFE3D3;
  --hero:linear-gradient(160deg,#E4F7F6 0%,#F7FBF2 48%,#FFF3D9 100%);
  --r:22px; --shadow:0 1px 0 rgba(31,42,68,.04),0 10px 24px rgba(160,120,60,.10);
  --display:"Fredoka","Nunito",system-ui,sans-serif; --text:"Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#1B2130; --card:#252C3F; --ink:#F4EFE6; --muted:#A9B2C7; --line:#39415A; --paper:#2D3449;
    --p1:#43BDB8; --p2:#6AD3CB; --on-p:#0E2327; --g:#6FCF97; --coral:#FF8A7A; --sun:#F5C451;
    --hero:linear-gradient(160deg,#20353D 0%,#232B3C 50%,#3A3426 100%);
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 24px rgba(0,0,0,.3);
  }
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--text);background-color:var(--bg);background-image:radial-gradient(color-mix(in srgb,var(--ink) 6%,transparent) 1px,transparent 1px);background-size:22px 22px;color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;font-size:16px}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
img{max-width:100%;display:block}
.ic{display:block;flex:none}
h1,h2,h3{font-family:var(--display);letter-spacing:0}

/* faixa da previa gratuita */
.trialbar{position:sticky;top:0;z-index:40;height:38px;background:var(--butter);color:#4A3B0C;font-size:13px;font-weight:700;padding:0 12px;display:flex;gap:10px;align-items:center;justify-content:center;white-space:nowrap;border-bottom:1.5px solid #EBD592}
.trialbar[hidden]{display:none}
.trialbar .tb{display:inline-flex;align-items:center;gap:6px;min-width:0}
.trialbar b{font-variant-numeric:tabular-nums}
.trialbar button{background:#0F7C80;color:#fff;border-radius:99px;padding:5px 13px;font-weight:800;font-size:12px}

/* topo */
.top{position:sticky;top:0;z-index:30;height:62px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1.5px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px}
.trialbar:not([hidden]) ~ .top{top:38px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;flex:none}
.logo{width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,#7CC4BE,#E5C34B);color:#fff;display:grid;place-items:center;flex:none;box-shadow:0 4px 10px rgba(15,124,128,.22);transform:rotate(-4deg)}
.bt{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.bt b{font-family:var(--display);font-weight:600;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bt small{font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:34vw}
.search{display:flex;align-items:center;gap:8px;background:var(--card);border:1.5px solid var(--line);border-radius:99px;padding:8px 14px;color:var(--muted);flex:0 1 300px;min-width:0}
.search input{border:0;outline:0;background:none;color:var(--ink);font:inherit;font-size:14px;width:100%;min-width:0}
@media(max-width:520px){.trialbar{font-size:12px;gap:8px}.bt{display:none}.search{flex:1 1 auto}}

main{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:0 16px 48px}
.loading{padding:80px 0;text-align:center;color:var(--muted)}

/* capa (igual as capas dos guias) */
.hero{position:relative;overflow:hidden;margin-top:18px;border-radius:32px;border:1.5px solid var(--line);background:var(--hero);padding:46px 22px 42px;text-align:center;box-shadow:var(--shadow)}
.hero .blob{position:absolute;border-radius:50%;pointer-events:none}
.hero .b1{width:230px;height:230px;left:-80px;top:-90px;background:#A8E6E8;opacity:.6}
.hero .b2{width:96px;height:96px;right:-30px;top:64px;background:#F5E3A1;opacity:.9}
.hero .b3{width:92px;height:92px;left:-34px;bottom:54px;background:#FAC5CC;opacity:.85}
.hero .b4{width:190px;height:190px;right:-60px;bottom:-80px;background:#CDE8CF;opacity:.8}
@media (prefers-color-scheme: dark){.hero .blob{opacity:.16}}
.hero > *:not(.blob){position:relative;z-index:1}
.pillx{display:inline-flex;align-items:center;gap:6px;background:var(--card);color:var(--p1);border-radius:99px;padding:6px 14px;font-size:12.5px;font-weight:800;box-shadow:0 2px 8px rgba(31,42,68,.08)}
.hero h1{font-size:clamp(30px,6.4vw,50px);line-height:1.12;font-weight:700;margin:16px auto 12px;max-width:720px}
.c-coral{color:var(--coral)}.c-teal{color:var(--p1)}.c-green{color:var(--g)}
.grad{color:var(--p1)}
.hero p{color:var(--muted);max-width:600px;font-size:16px;margin:0 auto}
.hero .cta{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:22px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--p1);color:var(--on-p);border-radius:99px;padding:12px 22px;font-weight:800;font-size:15px;box-shadow:0 6px 0 color-mix(in srgb,var(--p1) 55%,#000),0 12px 20px rgba(15,124,128,.22);transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 color-mix(in srgb,var(--p1) 55%,#000)}
.btn.ghost{background:var(--card);color:var(--ink);border:1.5px dashed var(--muted);box-shadow:none}
.btn.wide{width:100%}
.btn:disabled{opacity:.6;cursor:default}
.count{font-size:13.5px;color:var(--muted);font-weight:700}

h2.sec{font-size:24px;font-weight:600;margin:34px 0 4px}
h2.sec::after{content:"";display:block;width:72px;height:6px;margin-top:8px;border-radius:3px;background:repeating-linear-gradient(90deg,var(--p1) 0 8px,transparent 8px 12px);opacity:.55}
.secsub{color:var(--muted);font-size:14.5px;margin:10px 0 16px}
.secsub s{opacity:.7}

/* colecoes: cartoes pastel com azulejo de icone */
.cols{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:640px){.cols{grid-template-columns:repeat(3,1fr)}}
@media(min-width:980px){.cols{grid-template-columns:repeat(4,1fr);gap:16px}}
.col{position:relative;border-radius:24px;padding:16px;min-height:158px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;background:var(--t);border:1.5px solid color-mix(in srgb,var(--d) 20%,transparent);transition:transform .15s,box-shadow .15s}
.col:hover{transform:translateY(-3px) rotate(-.5deg);box-shadow:var(--shadow)}
.col::after{content:"";position:absolute;right:-34px;top:-34px;width:118px;height:118px;border-radius:50%;background:rgba(255,255,255,.55)}
.col > *{position:relative;z-index:1}
.tile{width:46px;height:46px;border-radius:16px;background:#fff;color:var(--d);display:grid;place-items:center;box-shadow:0 3px 8px rgba(31,42,68,.08)}
.col h3{font-size:16.5px;font-weight:600;line-height:1.2;margin-top:12px}
.col .meta{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:color-mix(in srgb,var(--ink) 72%,transparent);font-weight:700;margin-top:6px}
.col .open{background:#fff;color:var(--d);border-radius:99px;padding:3px 11px;font-weight:800}
.lockchip{position:absolute!important;right:12px;top:12px;width:30px;height:30px;border-radius:50%;background:#fff;color:var(--d);display:grid;place-items:center;box-shadow:0 2px 6px rgba(31,42,68,.12)}
@media (prefers-color-scheme: dark){
  .col,.banner{background:color-mix(in srgb,var(--d) 26%,var(--card))!important;border-color:color-mix(in srgb,var(--d) 45%,transparent)}
  .col::after,.banner::after{background:rgba(255,255,255,.05)}
  .tile,.col .open,.lockchip{background:color-mix(in srgb,var(--d) 30%,var(--card));color:var(--t)}
}

/* pagina de colecao */
.crumb{display:flex;gap:6px;align-items:center;font-size:13.5px;color:var(--muted);padding:16px 0 10px;font-weight:700}
.crumb a{color:var(--p1)}
.banner{position:relative;overflow:hidden;border-radius:26px;padding:22px;display:flex;align-items:center;gap:16px;background:var(--t);border:1.5px solid color-mix(in srgb,var(--d) 20%,transparent)}
.banner::after{content:"";position:absolute;right:-50px;bottom:-70px;width:190px;height:190px;border-radius:50%;background:rgba(255,255,255,.5)}
.banner > *{position:relative;z-index:1}
.banner .tile{width:60px;height:60px;border-radius:20px}
.banner h1{font-size:clamp(22px,4.6vw,32px);font-weight:600;line-height:1.1}
.banner p{color:color-mix(in srgb,var(--ink) 72%,transparent);font-size:14.5px;font-weight:700}
.filter{margin:16px 0;display:flex}
.filter input{width:100%;background:var(--card);border:1.5px solid var(--line);border-radius:16px;padding:12px 14px;font:inherit;font-size:15px;color:var(--ink);outline:0}
.filter input:focus,.search:focus-within,.authbox input:focus{border-color:var(--p1);box-shadow:0 0 0 3px color-mix(in srgb,var(--p1) 18%,transparent)}

/* arquivos: folha presa com fita */
.files{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:640px){.files{grid-template-columns:repeat(3,1fr)}}
@media(min-width:980px){.files{grid-template-columns:repeat(4,1fr);gap:16px}}
.file{--tape:#F5DC8E;background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .15s,border-color .15s;text-align:left;cursor:pointer}
.file:nth-child(4n+2){--tape:#A8E0E2}.file:nth-child(4n+3){--tape:#F7BFC7}.file:nth-child(4n+4){--tape:#BFE3C3}
.file:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--p1) 45%,var(--line))}
.thumb{aspect-ratio:3/3.7;background:var(--paper);position:relative;padding:18px 14px 0;display:flex;justify-content:center;overflow:hidden}
.thumb::before{content:"";position:absolute;top:8px;left:50%;width:58px;height:20px;transform:translateX(-50%) rotate(-3deg);background:var(--tape);opacity:.88;border-radius:3px;z-index:2;box-shadow:0 1px 2px rgba(31,42,68,.12)}
.file:nth-child(even) .thumb::before{transform:translateX(-50%) rotate(2.5deg)}
.thumb img{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:8px 8px 0 0;box-shadow:0 4px 14px rgba(31,42,68,.16);background:#fff}
.thumb .ph{align-self:center;margin-bottom:18px;width:64px;height:64px;border-radius:22px;background:var(--card);color:var(--muted);display:grid;place-items:center;box-shadow:0 3px 10px rgba(31,42,68,.1)}
.file.locked .thumb{background:var(--butter)}
@media (prefers-color-scheme: dark){.file.locked .thumb{background:color-mix(in srgb,var(--sun) 22%,var(--card))}}
.file .info{display:flex;gap:8px;align-items:flex-start;justify-content:space-between;padding:11px 10px 12px 13px}
.file .ti{font-size:14px;font-weight:800;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.file .mt{font-size:11.5px;color:var(--muted);margin-top:2px;font-weight:600}
.dl{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--p1);color:var(--on-p);box-shadow:0 3px 0 color-mix(in srgb,var(--p1) 55%,#000)}
.empty{padding:40px 0;text-align:center;color:var(--muted)}

/* visualizador da previa */
.viewer{max-width:860px;margin:0 auto}
.vhead{position:sticky;top:62px;z-index:20;display:flex;align-items:center;gap:10px;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(8px);padding:10px 0;border-bottom:1.5px dashed var(--line)}
.trialbar:not([hidden]) ~ main .vhead{top:100px}
.vhead h1{font-size:16px;font-weight:600;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vhead .back{width:38px;height:38px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;background:var(--card);flex:none}
.vhead .btn{padding:8px 16px;font-size:13.5px;box-shadow:0 4px 0 color-mix(in srgb,var(--p1) 55%,#000)}
.pages{display:flex;flex-direction:column;gap:14px;padding:18px 0}
.pg{background:#fff;border-radius:10px;box-shadow:0 4px 18px rgba(120,90,40,.16);aspect-ratio:1/1.414;overflow:hidden;-webkit-user-select:none;user-select:none}
.pg img{width:100%;height:auto;display:block;-webkit-touch-callout:none;pointer-events:none}
.pn{text-align:center;font-size:11.5px;color:var(--muted);margin-top:-8px;font-weight:700}

/* janelas */
.modal{position:fixed;inset:0;z-index:100;background:rgba(31,42,68,.55);backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:0}
.modal[hidden]{display:none}
@media(min-width:700px){.modal{align-items:center;padding:24px}}
.sheet{background:var(--card);width:100%;max-width:520px;max-height:92vh;overflow:auto;border-radius:30px 30px 0 0;padding:26px 20px 28px;box-shadow:0 20px 60px rgba(0,0,0,.35);position:relative}
@media(min-width:700px){.sheet{border-radius:30px}}
.sheet .x{position:absolute;right:14px;top:14px;width:36px;height:36px;border-radius:50%;background:var(--bg);display:grid;place-items:center;color:var(--muted)}
.sheet .tile{background:var(--tl,var(--sky));color:var(--tc,var(--p1));box-shadow:none;margin-bottom:12px;width:52px;height:52px;border-radius:18px}
@media (prefers-color-scheme: dark){.sheet .tile{background:color-mix(in srgb,var(--tc,var(--p1)) 26%,var(--card))}}
.sheet h2{font-size:23px;font-weight:600;line-height:1.2;padding-right:34px}
.sheet .lead{color:var(--muted);font-size:15px;margin:8px 0 16px}
.note{font-size:13px;color:var(--muted);text-align:center;margin-top:12px}
.price{display:flex;align-items:baseline;gap:12px;margin:2px 0 12px;font-family:var(--display)}
.price s{color:var(--muted);font-size:16px}
.price b{font-size:30px;font-weight:700;color:var(--g)}
.plist{list-style:none;margin:0 0 18px;font-size:14px;display:grid;gap:7px}
.plist li{display:flex;gap:8px;align-items:flex-start;font-weight:600}
.plist li .ic{color:var(--g);margin-top:2px}
.sheet #wb{margin-top:6px}

/* usuario / entrar */
.userbox{display:flex;align-items:center;gap:10px;flex:none;font-size:13.5px}
.userbox .hi{color:var(--muted);white-space:nowrap;font-weight:700}
@media(max-width:520px){.userbox .hi{display:none}}
.lnk{color:var(--p1);font-weight:800;font-size:13.5px;background:none}
.lnk.strong{background:var(--card);border:1.5px solid var(--line);border-radius:99px;padding:7px 15px;color:var(--ink)}
.lnk.center{display:block;text-align:center;margin-top:14px}
.authbox{max-width:410px;margin:44px auto 0;background:var(--card);border:1.5px solid var(--line);border-radius:28px;padding:28px 22px;box-shadow:var(--shadow)}
.authbox .tile{background:var(--sky);color:var(--p1);box-shadow:none;margin-bottom:14px;width:54px;height:54px;border-radius:18px}
@media (prefers-color-scheme: dark){.authbox .tile{background:color-mix(in srgb,var(--p1) 26%,var(--card))}}
.authbox h1{font-size:26px;font-weight:600;margin-bottom:6px}
.authbox p{color:var(--muted);font-size:15px;margin-bottom:18px}
.authbox label{display:block;font-size:13.5px;font-weight:800;margin-bottom:12px}
.authbox input{display:block;width:100%;margin-top:5px;border:1.5px solid var(--line);border-radius:14px;padding:12px 13px;font:inherit;font-size:16px;background:var(--bg);color:var(--ink);outline:0}
.authbox .idbox{display:flex;flex-direction:column;gap:2px;border:1.5px dashed var(--p1);border-radius:14px;padding:11px 13px;margin-bottom:12px;background:var(--bg)}
.authbox .idbox small{font-size:12.5px;font-weight:800;color:var(--muted)}
.authbox .idbox b{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.err{color:var(--coral);font-size:13.5px;min-height:18px;margin:-4px 0 10px;font-weight:700}

.foot{border-top:1.5px dashed var(--line);padding:24px 16px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:13.5px;color:var(--muted);background:color-mix(in srgb,var(--paper) 60%,transparent)}
.foot .fh{color:var(--coral);margin-bottom:4px}
.foot b{color:var(--ink);font-family:var(--display);font-weight:600;font-size:15px}
.foot small{font-size:11.5px}