/* ====== SUN — visual estilo UDEMY (laranja + preto) ====== */
:root{
  --laranja:#f0820c;
  --laranja-escuro:#c96a08;
  --laranja-claro:#fdf3e7;
  --azul:#f0820c;             /* alias: destaques antigos viram laranja */
  --azul-escuro:#c96a08;
  --preto:#1c1d1f;            /* preto Udemy */
  --cinza:#6a6f73;            /* cinza texto Udemy */
  --cinza-claro:#f7f9fa;
  --borda:#d1d7dc;            /* borda Udemy */
  --estrela:#e59819;          /* laranja das estrelas */
  --verde:#1e7d46;
  --vermelho:#c0392b;
  --amarelo:#b4690e;          /* nota de avaliação */
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Segoe UI',Roboto,-apple-system,system-ui,Arial,sans-serif;
  font-size:14px;color:var(--preto);background:#fff;line-height:1.5
}
a{color:#5022c3;text-decoration:none}             /* links de texto */
a:hover{text-decoration:underline;color:#401b9c}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.page{padding-top:24px;padding-bottom:60px;min-height:55vh}

/* ---- Topbar (estilo Udemy) ---- */
.topbar{background:#fff;border-bottom:1px solid #e8e9eb;position:sticky;top:0;z-index:50;box-shadow:0 2px 4px rgba(0,0,0,.04)}
.topbar-inner{display:flex;align-items:center;gap:12px;height:72px;max-width:1240px;margin:0 auto;padding:0 24px}
.logo{font-size:24px;font-weight:800;color:var(--preto);white-space:nowrap;letter-spacing:-.5px}
.search{flex:1;display:flex;align-items:center;border:1px solid var(--preto);border-radius:50px;overflow:hidden;max-width:100%;background:#fff;padding-left:14px}
.search::before{content:"🔍";font-size:14px;opacity:.7}
.search input{flex:1;border:0;padding:11px 14px;outline:none;font-size:15px;font-family:inherit;background:transparent}
.search button{display:none}
.topnav{display:flex;align-items:center;gap:16px}
.topnav a{font-size:14px;font-weight:600;color:var(--preto)}
.topnav a:hover{color:var(--laranja-escuro);text-decoration:none}

/* Barra de categorias abaixo do topo */
.catbar{background:#fff;border-bottom:1px solid #e8e9eb}
.catbar-inner{max-width:1240px;margin:0 auto;padding:0 24px;display:flex;gap:18px;overflow-x:auto;height:46px;align-items:center}
.catbar a{font-size:13px;font-weight:600;color:var(--preto);white-space:nowrap;padding:4px 0}
.catbar a:hover{color:var(--laranja-escuro);text-decoration:none}

.btn{display:inline-block;padding:9px 16px;border-radius:4px;font-weight:700;cursor:pointer;font-size:14px;font-family:inherit;border:1px solid transparent;text-align:center;transition:.1s;line-height:1.4}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--laranja);color:#fff;border-color:var(--laranja)}
.btn-primary:hover{background:var(--laranja-escuro);border-color:var(--laranja-escuro);color:#fff}
.btn-outline{border:1px solid var(--preto);background:#fff;color:var(--preto)}
.btn-outline:hover{background:#f5f0ff}
.btn-block{display:block;width:100%}
.btn-lg{padding:13px 22px;font-size:16px}
.btn-danger{background:var(--vermelho);color:#fff;border-color:var(--vermelho)}
.btn-danger:hover{background:#a93226;color:#fff}
.btn-ghost{background:#fff;border:1px solid var(--preto);color:var(--preto)}
.btn-ghost:hover{background:var(--cinza-claro)}

.cart-link{position:relative;font-size:18px}
.badge{position:absolute;top:-8px;right:-10px;background:var(--laranja);color:#fff;border-radius:50%;font-size:11px;padding:1px 6px;font-weight:700}

/* ---- Avatar dropdown ---- */
.dropdown{position:relative}
.avatar-btn{width:40px;height:40px;border-radius:50%;background:var(--preto);color:#fff;border:0;font-weight:700;cursor:pointer;font-size:16px}
.dropdown-menu{display:none;position:absolute;right:0;top:46px;background:#fff;border:1px solid var(--borda);border-radius:4px;min-width:220px;box-shadow:0 2px 12px rgba(0,0,0,.18);padding:8px 0;flex-direction:column;z-index:60}
.dropdown:hover .dropdown-menu{display:flex}
.dropdown-menu a{padding:9px 18px;font-size:14px;color:var(--preto)}
.dropdown-menu a:hover{background:var(--cinza-claro);color:var(--laranja-escuro);text-decoration:none}
.dropdown-menu hr{border:0;border-top:1px solid var(--borda);margin:6px 0}
.dd-name{padding:4px 18px;font-weight:700}
.dd-role{padding:0 18px 4px;font-size:12px;color:var(--cinza);text-transform:capitalize}

/* ---- Flash ---- */
.flash{padding:12px 16px;border-radius:4px;margin-top:16px;font-weight:500;font-size:14px;border:1px solid}
.flash-info{background:#eef4fb;border-color:#d4e3f3;color:#2b5b8a}
.flash-success{background:#e9f7ef;border-color:#cdead8;color:var(--verde)}
.flash-error{background:#fbeaea;border-color:#f1cccc;color:var(--vermelho)}

/* ---- Hero (faixa estilo Udemy) ---- */
.hero{background:var(--cinza-claro);border:1px solid var(--borda);border-radius:8px;padding:0;margin-bottom:36px;display:flex;align-items:stretch;overflow:hidden;min-height:300px}
.hero-text{padding:40px;display:flex;flex-direction:column;justify-content:center;max-width:560px}
.hero h1{font-size:38px;line-height:1.15;margin-bottom:14px;color:var(--preto);font-weight:800}
.hero p{font-size:17px;color:#3d3d3d;margin-bottom:22px}
.hero-art{flex:1;background:linear-gradient(135deg,#1c1d1f 0%,#3a2a5e 100%);display:flex;align-items:center;justify-content:center;font-size:90px;color:#fff}

/* ---- Seções ---- */
.section-title{font-size:24px;font-weight:800;margin:30px 0 4px;color:var(--preto)}
.section-sub{color:var(--cinza);margin-bottom:16px;font-size:15px}
.cats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.cat-chip{border:1px solid var(--cinza);border-radius:2px;padding:8px 16px;font-weight:700;font-size:14px;background:#fff;color:var(--preto)}
.cat-chip:hover{background:var(--laranja-claro);color:var(--laranja-escuro);border-color:var(--laranja-escuro);text-decoration:none}

/* ---- Grade de cursos (cartões Udemy) ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.card{border:1px solid var(--borda);background:#fff;display:flex;flex-direction:column;transition:.1s}
.card:hover{box-shadow:0 2px 10px rgba(0,0,0,.18);text-decoration:none}
.card-thumb{aspect-ratio:16/9;background:#e9ebef center/cover no-repeat;display:flex;align-items:center;justify-content:center;font-size:38px;color:#a7adb3}
.card-body{padding:8px 12px 14px;flex:1;display:flex;flex-direction:column}
.card-title{font-weight:700;font-size:16px;margin-bottom:2px;line-height:1.25;color:var(--preto)}
.card-author{font-size:12px;color:var(--cinza);margin-bottom:4px}
.card-rating{color:var(--amarelo);font-weight:700;font-size:14px;margin-bottom:4px}
.card-rating .stars{color:var(--estrela);letter-spacing:-1px}
.card-rating span{color:var(--cinza);font-weight:400}
.card-price{font-weight:800;font-size:18px;margin-top:auto;color:var(--preto)}
.card-old{color:var(--cinza);text-decoration:line-through;font-weight:400;font-size:14px;margin-left:6px}

/* ---- Formulários ---- */
.auth-wrap{max-width:420px;margin:32px auto;border:1px solid var(--borda);border-radius:6px;padding:32px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.auth-wrap h1{font-size:22px;margin-bottom:20px;text-align:center;font-weight:800}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--preto);border-radius:4px;font-size:15px;font-family:inherit;background:#fff}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--laranja);box-shadow:0 0 0 2px var(--laranja-claro)}
.form-group textarea{min-height:120px;resize:vertical}
.form-hint{font-size:12px;color:var(--cinza);margin-top:4px}
.muted{color:var(--cinza)}
.center{text-align:center}
.mt{margin-top:16px}

/* ---- Layout painel ---- */
.dash{display:grid;grid-template-columns:230px 1fr;gap:26px}
.side{border:1px solid var(--borda);border-radius:6px;padding:8px;height:fit-content;background:#fff}
.side a{display:block;padding:11px 14px;border-radius:4px;font-weight:700;font-size:14px;color:var(--preto)}
.side a:hover,.side a.active{background:var(--preto);color:#fff;text-decoration:none}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat{border:1px solid var(--borda);border-radius:6px;padding:18px;background:#fff}
.stat .num{font-size:26px;font-weight:800;color:var(--preto)}
.stat .lbl{color:var(--cinza);font-size:13px}

/* ---- Tabela ---- */
table.tbl{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--borda)}
table.tbl th,table.tbl td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--borda)}
table.tbl th{background:var(--cinza-claro);font-weight:700}
table.tbl tr:last-child td{border-bottom:0}
.pill{display:inline-block;padding:3px 10px;border-radius:4px;font-size:12px;font-weight:700}
.pill-green{background:#e9f7ef;color:var(--verde)}
.pill-yellow{background:#fdf3e0;color:var(--amarelo)}
.pill-red{background:#fbeaea;color:var(--vermelho)}
.pill-gray{background:#eee;color:var(--cinza)}

/* ---- Página do curso (cabeçalho escuro Udemy) ---- */
.course-head{background:var(--preto);color:#fff;padding:36px 0;margin:-24px -24px 30px}
.course-head .container{display:grid;grid-template-columns:1fr 340px;gap:30px;align-items:start}
.course-head h1{font-size:32px;margin-bottom:12px;font-weight:800;line-height:1.2}
.course-head .subtitle{font-size:18px;opacity:.95;margin-bottom:14px}
.course-head a{color:#c0a0ff}
.buybox{background:#fff;color:var(--preto);border:1px solid var(--borda);padding:0;box-shadow:0 4px 16px rgba(0,0,0,.25);position:sticky;top:90px}
.buybox .buybox-pad{padding:20px}
.buybox .price{font-size:30px;font-weight:800;margin-bottom:16px}

.curriculum .sec{border:1px solid var(--borda);margin-bottom:0;border-bottom:0}
.curriculum .sec:last-child{border-bottom:1px solid var(--borda)}
.curriculum .sec-head{background:var(--cinza-claro);padding:14px 16px;font-weight:700;display:flex;justify-content:space-between;font-size:14px}
.curriculum .lesson{padding:11px 16px;border-top:1px solid var(--borda);display:flex;justify-content:space-between;font-size:14px}

/* ---- Player ---- */
.learn{display:grid;grid-template-columns:1fr 340px;gap:0;min-height:78vh}
.learn-main{background:#000}
.learn-video video,.learn-video iframe{width:100%;aspect-ratio:16/9;display:block}
.learn-info{padding:20px}
.learn-side{border-left:1px solid var(--borda);overflow:auto;max-height:90vh;background:#fff}
.learn-side .lesson{cursor:pointer;border-top:1px solid #eee;padding:11px 16px;font-size:14px}
.learn-side .lesson:hover{background:var(--cinza-claro)}
.learn-side .lesson.done{color:var(--verde)}

/* ---- Player estilo Netflix ---- */
.nfx{background:#141414;color:#fff;margin:-24px -24px -60px;padding-bottom:50px;min-height:88vh}
.nfx-player{background:#000}
.nfx-player video,.nfx-player iframe{width:100%;aspect-ratio:16/9;max-height:72vh;display:block;border:0}
.nfx-now{padding:18px 40px}
.nfx-now h2{font-size:22px;margin-bottom:10px}
.nfx-bar{height:8px;background:#333;border-radius:10px;overflow:hidden;max-width:300px;margin-top:8px}
.nfx-bar>div{height:100%;background:var(--laranja)}
.nfx-rowtitle{font-size:18px;font-weight:700;margin:22px 40px 10px}
.nfx-row{display:flex;gap:12px;overflow-x:auto;padding:0 40px 10px;scrollbar-width:thin}
.nfx-card{flex:0 0 230px;color:#fff;transition:.15s}
.nfx-card:hover{text-decoration:none;transform:scale(1.04)}
.nfx-cover{width:230px;height:130px;border-radius:6px;background:#2b2b2b center/cover no-repeat;display:flex;align-items:center;justify-content:center;font-size:30px;color:#888;position:relative}
.nfx-card.cur .nfx-cover{outline:3px solid var(--laranja)}
.nfx-card.done .nfx-cover{outline:2px solid var(--verde)}
.nfx-badge{position:absolute;top:6px;right:8px;width:24px;height:24px;border-radius:50%;background:var(--verde);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px}
.nfx-ctitle{font-size:13px;margin-top:7px;line-height:1.3}
@media(max-width:880px){.nfx{margin:-24px -16px -60px}.nfx-now,.nfx-rowtitle,.nfx-row{padding-left:16px;padding-right:16px;margin-left:16px;margin-right:16px}}

/* ---- Misc ---- */
.empty{text-align:center;padding:56px 20px;color:var(--cinza)}
.empty h3{font-size:20px;margin-bottom:8px;color:var(--preto)}

@media(max-width:900px){
  .dash,.course-head .container,.learn{grid-template-columns:1fr}
  .hero{flex-direction:column}.hero-art{min-height:160px}
  .catbar{display:none}
}

/* ---- Botão de upload de arquivo (bonito) ---- */
input[type=file]{font-size:13px;color:var(--cinza);max-width:100%}
input[type=file]::file-selector-button{
  background:var(--laranja);color:#fff;border:0;padding:8px 14px;border-radius:6px;
  font-weight:700;cursor:pointer;margin-right:10px;font-family:inherit;font-size:13px;transition:.12s;
}
input[type=file]::file-selector-button:hover{background:var(--laranja-escuro)}

/* ====== RESPONSIVO (celular) ====== */
@media(max-width:640px){
  .container{padding:0 14px}
  .page{padding-top:16px}

  /* topo */
  .topbar-inner{height:auto;min-height:56px;padding:8px 14px;flex-wrap:wrap;gap:8px}
  .logo{font-size:18px}
  .topnav{gap:10px;flex-wrap:wrap}
  .topnav > a:not(.btn):not(.cart-link){display:none}   /* links viram menu do avatar */
  .btn{padding:8px 12px;font-size:13px}
  .btn-lg{padding:10px 16px;font-size:14px}

  /* hero */
  .hero{flex-direction:column}
  .hero-text{padding:24px}
  .hero h1{font-size:24px}
  .hero p{font-size:14px}
  .hero-art{min-height:120px;font-size:54px}

  /* títulos e grades */
  .section-title{font-size:19px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .card-title{font-size:14px}
  .card-thumb{font-size:28px}

  /* painel: vira coluna única */
  .dash{grid-template-columns:1fr;gap:14px}
  .side{display:flex;flex-wrap:wrap;gap:6px}
  .side a{flex:1 1 auto;text-align:center;border-bottom:0;font-size:12px;padding:8px 10px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:10px}
  .stat .num{font-size:20px}

  /* tabelas rolam na horizontal */
  table.tbl{display:block;overflow-x:auto;white-space:nowrap;font-size:12px}

  /* página do curso */
  .course-head{padding:22px 0;margin:-16px -14px 20px}
  .course-head h1{font-size:22px}
  .course-head .container{grid-template-columns:1fr;gap:16px}

  /* player tradicional */
  .learn{grid-template-columns:1fr}
  .learn-side{max-height:none;border-left:0;border-top:1px solid var(--borda)}

  /* auth */
  .auth-wrap{margin:16px auto;padding:22px}

  /* netflix */
  .nfx,.nfe{margin-left:-14px;margin-right:-14px}
  .nfx-now,.nfx-rowtitle,.nfx-row{padding-left:14px;padding-right:14px}
  .nfx-card,.nfx-cover{flex-basis:160px;width:160px}
  .nfx-cover{height:90px}

  /* footer empilha */
  .footer-inner{grid-template-columns:1fr;gap:18px}
}

/* ---- Footer (escuro estilo Udemy) ---- */
.footer{background:var(--preto);color:#d1d7dc;margin-top:50px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;max-width:1240px;margin:0 auto;padding:40px 24px}
.footer h4{color:#fff;margin-bottom:8px;font-size:18px}
.footer h5{color:#fff;margin-bottom:10px;font-size:15px}
.footer a{display:block;font-size:14px;padding:4px 0;color:#cfd5db}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid #3e4143;padding:18px 0;text-align:center;font-size:13px}