:root{--bg:#10130f;--card:#1a1f18;--border:#3a4a32;--amber:#e8a33d;--text:#e8e6e0;--dim:#8a9a7a}
body{background:var(--bg);color:var(--text);font-family:system-ui,system-ui,sans-serif;margin:0}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
.amber{color:var(--amber)}
.breadcrumb{font-family:ui-monospace,monospace;font-size:13px;margin:32px 0}
.breadcrumb a{color:var(--dim);text-decoration:none}
.breadcrumb a:hover{color:var(--amber)}
.sec-head{font-family:ui-monospace,monospace;color:var(--dim);font-size:13px}
h1{font-size:clamp(26px,4vw,38px);margin:10px 0 12px}
.lede{color:var(--dim);font-size:16px;line-height:1.6;max-width:640px}
h2{margin-top:44px;margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid var(--border);font-size:19px}

/* lista "o que você vai aprender" */
ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
ul li{position:relative;padding-left:28px;color:var(--text);line-height:1.55}
ul li::before{content:"→";position:absolute;left:0;color:var(--amber);font-family:ui-monospace,monospace}

code,pre{font-family:ui-monospace,monospace}
pre{background:#0e120c;border:1px solid var(--border);border-radius:10px;padding:18px;overflow-x:auto;font-size:13.5px;line-height:1.6}

/* sumário do curso — grade de cards, não mais lista de links azuis */
.mod-sumario{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.mod-card{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--text);transition:border-color .15s,transform .15s,background .15s}
.mod-card:hover{border-color:var(--amber);transform:translateY(-2px)}
.mod-card .mod-card-n{flex-shrink:0;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#0e120c;border:1px solid var(--border);font-family:ui-monospace,monospace;font-size:13px;color:var(--dim)}
.mod-card .mod-card-name{font-size:14px;line-height:1.35}
.mod-card[aria-current="page"]{background:rgba(232,163,61,.1);border-color:var(--amber)}
.mod-card[aria-current="page"] .mod-card-n{background:var(--amber);border-color:var(--amber);color:var(--bg)}
.mod-card[aria-current="page"] .mod-card-name{color:var(--amber);font-weight:600}

.aula-progress{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:48px 0 64px;flex-wrap:wrap}
.btn{padding:12px 20px;border-radius:8px;text-decoration:none;font-weight:600}
.btn.primary{background:var(--amber);color:var(--bg)}
.btn.ghost{border:1px solid var(--border);color:var(--text)}
.dots{display:flex;gap:6px}
.dots b{width:10px;height:10px;border-radius:50%;background:var(--border);display:block}
.dots b.on{background:var(--amber)}

/* conteúdo expandido */
h3{margin-top:28px;margin-bottom:12px;font-size:16px;color:var(--amber)}
p{line-height:1.65;color:var(--text);margin:0 0 14px}
.tip,.note,.warn,.exercise{border-radius:10px;padding:14px 16px;margin:20px 0;border:1px solid var(--border);background:var(--card);font-size:14px;line-height:1.55}
.tip{border-left:3px solid var(--amber)}
.note{border-left:3px solid #5a8a6a}
.warn{border-left:3px solid #c45c5c}
.exercise{border-left:3px solid #6a8ac9}
.tip strong,.note strong,.warn strong,.exercise strong{display:block;margin-bottom:6px;font-size:13px;font-family:ui-monospace,monospace}
.tip strong{color:var(--amber)}
.note strong{color:#7aba8a}
.warn strong{color:#e88}
.exercise strong{color:#8ab0e0}
.code-title{font-family:ui-monospace,monospace;font-size:12px;color:var(--dim);margin-bottom:6px;margin-top:18px}
pre + p, pre + h3{margin-top:18px}
ol{margin:0 0 16px;padding-left:22px;display:flex;flex-direction:column;gap:8px}
ol li{line-height:1.55}
footer{border-top:1px solid var(--border);padding:28px 0;margin-top:40px;font-size:13px;color:var(--dim)}
footer a{color:var(--dim);text-decoration:none}
footer a:hover{color:var(--amber)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* progresso, copiar código, gabarito, certificado */
.progress-bar-wrap{margin:24px 0 8px;background:#0e120c;border:1px solid var(--border);border-radius:8px;height:12px;overflow:hidden}
.progress-bar{height:100%;background:var(--amber);border-radius:8px;width:0;transition:width .4s ease}
.progress-label{font-family:ui-monospace,monospace;font-size:12px;color:var(--dim);margin-bottom:20px}
.mod-card.done .mod-card-n{background:#3a6b3a;border-color:#3a6b3a;color:#cfe8cf}
.mod-card.done .mod-card-name{color:#9aba9a}
.code-block{position:relative;margin:12px 0 20px}
.code-block .copy-btn{position:absolute;top:8px;right:8px;background:#252b22;border:1px solid var(--border);color:var(--dim);font-family:ui-monospace,monospace;font-size:11px;padding:4px 10px;border-radius:6px;cursor:pointer;z-index:2}
.code-block .copy-btn:hover,.code-block .copy-btn.copied{border-color:var(--amber);color:var(--amber)}
.code-block pre{margin:0}
.solution{display:none;margin-top:12px;padding:12px;background:#0e120c;border:1px dashed var(--border);border-radius:8px;font-size:13.5px}
.solution.open{display:block}
.toggle-sol{background:none;border:1px solid #6a8ac9;color:#8ab0e0;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12.5px;font-family:ui-monospace,monospace;margin-top:10px}
.toggle-sol:hover{background:rgba(106,138,201,.15)}
.mark-done{display:inline-flex;align-items:center;gap:8px;margin:20px 0;padding:10px 16px;background:var(--card);border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:14px;color:var(--text)}
.mark-done:hover{border-color:var(--amber)}
.mark-done input{accent-color:var(--amber);width:16px;height:16px}
.cert-box{background:var(--card);border:1px solid var(--amber);border-radius:12px;padding:28px;text-align:center;margin:32px 0}
.cert-box h2{border:none;margin:0 0 8px;color:var(--amber)}
.cert-box p{color:var(--dim)}
.faq-item{border:1px solid var(--border);border-radius:10px;margin-bottom:10px;overflow:hidden}
.faq-item summary{padding:14px 16px;cursor:pointer;font-weight:600;list-style:none;background:var(--card)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{border-bottom:1px solid var(--border);color:var(--amber)}
.faq-item .faq-body{padding:14px 16px;font-size:14px;line-height:1.6;color:var(--dim)}