/* css/guia.css — Guia do usuário do Polaroide Studio
   Sem <style> inline (CSP style-src 'self'). Tema Esmeralda Paper. */
@font-face{
  font-family:'Playfair Display';font-style:normal;font-weight:400 800;font-display:swap;
  src:url(../assets/playfair.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  --brand:#3d5c52; --brand-deep:#2f4840; --brand-soft:rgba(61,92,82,.10);
  --gold:#a97f3d; --gold-soft:#f4ecdd;
  --paper:#f7f4ee; --surface:#ffffff; --surface-2:#faf8f3;
  --line:#e5dfd3; --line-2:#efeae0;
  --ink:#26292e; --muted:#5f5c54; --faint:#948f84;
  --ok:#3d7d54; --warn:#b0781d; --danger:#b23b2c;
  --r:12px; --r-sm:8px;
  --sh-1:0 1px 2px rgba(35,39,44,.05),0 2px 12px rgba(35,39,44,.06);
  --ui:'Open Sans',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --display:'Playfair Display',Georgia,'Times New Roman',serif;
  --maxw:820px;
}
@media (prefers-color-scheme:dark){
  :root{
    --brand:#8fb7a8; --brand-deep:#a9cabd; --brand-soft:rgba(143,183,168,.14);
    --gold:#cda767; --gold-soft:#2b2921;
    --paper:#181b20; --surface:#22262d; --surface-2:#282c33;
    --line:#3a3f47; --line-2:#333840;
    --ink:#e8eaed; --muted:#a7ada6; --faint:#7f857f;
    --sh-1:0 1px 2px rgba(0,0,0,.3),0 2px 14px rgba(0,0,0,.35);
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:20px}
body{margin:0;background:var(--paper);color:var(--ink);
  font:16px/1.65 var(--ui);-webkit-text-size-adjust:100%}
img{max-width:100%}

/* -------- cabeçalho -------- */
.top{background:var(--surface);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10;box-shadow:var(--sh-1)}
.top .in{max-width:1180px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.top .mark{width:34px;height:34px;flex:none}
.top .mark svg{width:34px;height:34px;display:block}
.top h1{font:700 18px/1.1 var(--display);margin:0;color:var(--ink)}
.top .sub{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:700}
.top .cta{margin-left:auto;display:inline-flex;align-items:center;gap:7px;
  background:var(--brand);color:#fff;text-decoration:none;font-weight:600;font-size:13.5px;
  padding:9px 15px;border-radius:var(--r-sm)}
.top .cta:hover{background:var(--brand-deep)}

/* -------- estrutura -------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:78px;align-self:start;padding:24px 0;max-height:calc(100vh - 90px);overflow:auto}
.toc strong{display:block;font:700 11px/1 var(--ui);letter-spacing:.11em;text-transform:uppercase;
  color:var(--faint);margin:0 0 10px}
.toc a{display:block;color:var(--muted);text-decoration:none;font-size:13.5px;
  padding:5px 10px;border-radius:6px;border-left:2px solid transparent}
.toc a:hover{color:var(--ink);background:var(--surface-2)}
main{padding:28px 0 80px;min-width:0;max-width:var(--maxw)}

/* -------- tipografia de conteúdo -------- */
section{margin:0 0 14px;padding:26px 0 4px;border-top:1px solid var(--line-2)}
section:first-of-type{border-top:0;padding-top:8px}
h2{font:700 25px/1.2 var(--display);margin:0 0 6px;color:var(--ink);scroll-margin-top:76px}
h2 .n{color:var(--gold);font-size:.7em;margin-right:.35em;font-family:var(--ui);font-weight:800}
h3{font:700 17px/1.3 var(--ui);margin:26px 0 8px;color:var(--ink)}
p{margin:10px 0}
ul,ol{margin:10px 0;padding-left:22px}
li{margin:6px 0}
a{color:var(--brand);text-underline-offset:2px}
strong{color:var(--ink)}
code,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}
code{background:var(--surface-2);border:1px solid var(--line-2);border-radius:5px;padding:1px 5px}
kbd{background:var(--surface);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;
  padding:1.5px 6px;font-size:.82em;white-space:nowrap}
.lead{font-size:17.5px;color:var(--muted)}

/* -------- blocos -------- */
.note,.tip,.warn{border:1px solid var(--line);border-left-width:3px;border-radius:var(--r-sm);
  padding:12px 15px;margin:16px 0;background:var(--surface);font-size:14.5px}
.note{border-left-color:var(--brand)}
.tip{border-left-color:var(--ok)}
.warn{border-left-color:var(--warn)}
.note b,.tip b,.warn b{display:block;margin-bottom:3px}

.steps{counter-reset:s;list-style:none;padding:0;margin:16px 0}
.steps>li{counter-increment:s;position:relative;padding:2px 0 12px 40px;margin:0}
.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:26px;height:26px;
  background:var(--brand);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px}

.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:16px 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;font-size:14px}
.card h4{margin:0 0 4px;font:700 14.5px/1.3 var(--ui)}

table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;
  display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 11px;text-align:left;vertical-align:top}
th{background:var(--surface-2);font-weight:700}
td kbd{margin:1px}

/* -------- figuras / "prints" -------- */
figure{margin:20px 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:16px;box-shadow:var(--sh-1)}
figure svg{width:100%;height:auto;display:block;border-radius:6px;background:var(--surface-2)}
figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center}
.callouts{margin:12px 0 0;padding:0;list-style:none;font-size:13.5px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:4px 18px}
.callouts li{padding-left:26px;position:relative;margin:3px 0}
.callouts b{position:absolute;left:0;top:0;width:19px;height:19px;background:var(--gold);color:#fff;
  border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}

/* diagrama: rótulos e traços dentro dos SVGs */
.d-fill-card{fill:var(--surface)} .d-fill-panel{fill:var(--surface-2)}
.d-stroke{stroke:var(--line);stroke-width:1.5;fill:none}
.d-ink{fill:var(--ink)} .d-muted{fill:var(--muted)}
.d-brand{fill:var(--brand)} .d-brand-s{stroke:var(--brand);stroke-width:1.5;fill:none}
.d-photo{fill:#cfc6b6} .d-tag{fill:var(--gold)}
.d-label{font:600 12px var(--ui);fill:var(--ink)}
.d-small{font:11px var(--ui);fill:var(--muted)}
.d-lead{stroke:var(--gold);stroke-width:1.4;fill:none}

/* -------- FAQ -------- */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  margin:8px 0;overflow:hidden}
.faq summary{padding:13px 16px;cursor:pointer;font-weight:600;font-size:15px;list-style:none;
  display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-weight:700;font-size:19px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line-2)}
.faq .a{padding:12px 16px 4px}
.faq .a p:first-child{margin-top:0}

/* -------- rodapé -------- */
.foot{border-top:1px solid var(--line);margin-top:40px;background:var(--surface)}
.foot .in{max-width:1180px;margin:0 auto;padding:24px 20px;font-size:13px;color:var(--muted);
  display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.foot a{font-weight:600}
.backtop{margin-left:auto}

:target{animation:flash 1.6s ease}
@keyframes flash{0%,40%{background:var(--gold-soft)}100%{background:transparent}}

/* -------- responsivo -------- */
@media (max-width:900px){
  .wrap{grid-template-columns:1fr;gap:0}
  .toc{position:static;max-height:none;padding:16px 0 4px;border-bottom:1px solid var(--line-2);overflow:visible}
  .toc-wrap{margin-bottom:8px}
  .toc-wrap summary{font:700 12px/1 var(--ui);letter-spacing:.1em;text-transform:uppercase;color:var(--faint);
    cursor:pointer;padding:8px 0;list-style:none}
  .toc-wrap summary::-webkit-details-marker{display:none}
  .toc-wrap summary::after{content:" ▾"}
  .toc-wrap[open] summary::after{content:" ▴"}
  .toc a{display:inline-block}
  main{padding-top:18px}
}
@media (max-width:560px){
  body{font-size:15px}
  .top .cta span.lbl{display:none}
  .grid2,.callouts{grid-template-columns:1fr}
  h2{font-size:22px}
}