:root{--green:#073b3a;--green2:#0e5954;--gold:#e7b53b;--gold2:#f6c542;--cream:#fffdf7;--mint:#eaf4f0;--ink:#172b2a;--muted:#627472;--line:#dce7e3}
*{box-sizing:border-box}
body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.5 Inter,Arial,sans-serif}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font:inherit}
h1,h2,h3{color:var(--green);margin:0 0 12px}

/* -------- Cabeçalho -------- */
.header{height:84px;padding:0 6%;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:12px;color:var(--green);font-size:23px;font-weight:900}
.brand img{width:44px;height:44px;object-fit:contain}
.brand b{width:44px;height:44px;border-radius:13px;background:var(--green);color:var(--gold);display:grid;place-items:center}
.nav{display:flex;gap:24px;align-items:center;font-weight:700}
.nav-toggle-checkbox{display:none}
.nav-toggle-btn{display:none;font-size:28px;line-height:1;cursor:pointer;color:var(--green);padding:6px 8px}

/* -------- Botões -------- */
.button{display:inline-block;border:0;border-radius:11px;background:linear-gradient(135deg,var(--gold2),var(--gold));color:var(--green);font-weight:900;padding:14px 20px;cursor:pointer;transition:.2s}
.button:hover{transform:translateY(-1px);filter:saturate(1.08)}
.button.secondary{background:#fff;border:1px solid var(--green2);color:var(--green)}
.button.danger{background:#fff;border:1px solid #e8b8b8;color:#a12a2a}

/* -------- Hero -------- */
.hero{padding:85px 7%;min-height:520px;background:radial-gradient(circle at 85% 25%,#dceee8,transparent 35%),linear-gradient(90deg,#fffdf7 42%,transparent 68%),url('brand/moreira-educa-hero.webp');background-size:auto,auto,cover;background-position:center,center,right center;background-repeat:no-repeat;display:grid;align-items:center}
.hero>div{max-width:760px}
.eyebrow{color:var(--green2);font-size:12px;font-weight:900;letter-spacing:3px;margin:0 0 14px}
.hero h1{font-size:clamp(40px,7vw,72px);line-height:1.02;letter-spacing:-3px;color:var(--green);margin:8px 0 20px}
.hero p{font-size:19px;color:var(--muted);max-width:640px;line-height:1.6}

/* -------- Seções e grades -------- */
.section{padding:70px 7%}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:25px;box-shadow:0 8px 30px #073b3a0c;display:flex;flex-direction:column;gap:8px}
.card h3{margin:0}
.card p{color:var(--muted);margin:0;flex:1}
.price{font-size:22px;font-weight:900;color:var(--green)}
.ebook-cover{aspect-ratio:2/3;object-fit:cover;object-position:top center;border-radius:10px;display:block;margin-bottom:4px}
.badge{align-self:flex-start;background:var(--mint,#eaf3f1);color:var(--green);font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:20px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:20px 0}
.filter-bar input[type="text"]{flex:1;min-width:200px;margin:0}
.filter-bar select{margin:0;width:auto}
.filter-bar .button{margin:0}
.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:32px 0}
.pagination a{padding:8px 14px;border-radius:8px;border:1px solid var(--line);color:var(--green);font-weight:700;text-decoration:none}
.pagination a.active{background:var(--green);color:#fff;border-color:var(--green)}
.pagination a:hover{border-color:var(--green)}

/* -------- Formulários de autenticação -------- */
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:25px;background:linear-gradient(135deg,var(--mint),#fff)}
.auth-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:38px;box-shadow:0 25px 60px #073b3a1c}
.auth-card h1{color:var(--green)}
form{display:grid;gap:16px}
label{font-size:12px;font-weight:800;color:var(--green)}
input,textarea,select{display:block;width:100%;margin-top:7px;padding:12px 13px;border:1px solid #c9d8d4;border-radius:9px;background:#fff;color:var(--ink)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--green2);box-shadow:0 0 0 3px #0e595414}
textarea{min-height:130px}
fieldset{border:1px solid var(--line);border-radius:13px;padding:18px;margin:0}
legend{padding:0 8px;color:var(--green);font-weight:800}
fieldset label{display:block;font-weight:normal;margin:8px 0}

/* -------- Alertas / mensagens -------- */
.alert{padding:13px 15px;border-radius:9px;margin:15px 0;font-weight:600}
.alert.error{background:#fff0ee;color:#962b20}
.alert.success{background:#e3f6eb;color:#176640}

/* -------- Painel administrativo -------- */
.dashboard{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 84px)}
.sidebar{background:var(--green);color:#fff;padding:28px 20px}
.sidebar a{display:block;padding:12px;border-radius:9px;margin-bottom:5px;color:#e8f2ef}
.sidebar a:hover{background:#ffffff18}
.content{padding:38px;min-width:0}
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
.table th,.table td{text-align:left;border-bottom:1px solid var(--line);padding:14px}
.table th{background:var(--mint);color:var(--green);font-size:12px;letter-spacing:.5px;text-transform:uppercase}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:20px}
.muted{color:var(--muted)}

/* -------- Editor de módulos e perguntas (admin) -------- */
.module-editor-block,#questions-editor>div{border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px;background:#fbfdfc}
#modules-editor input,#questions-editor input{margin:0}
#add-module,#add-question{margin:6px 0 26px}
.editor-row{display:flex;gap:10px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.editor-row input[type=text],.editor-row input:not([type]){flex:1 1 220px;min-width:0}
.lesson-row{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;margin-bottom:10px;align-items:center}
.module-editor-block input,#questions-editor input{font-size:16px;padding:12px}
.module-editor-block button,#questions-editor button{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 14px;font-weight:700;color:var(--green);cursor:pointer;white-space:nowrap}
.module-editor-block button:hover,#questions-editor button:hover{border-color:var(--green2)}
@media(max-width:700px){
  .lesson-row{grid-template-columns:1fr}
  .editor-row{flex-direction:column;align-items:stretch}
  .editor-row input{width:100%}
}

/* -------- Detalhe do curso -------- */
.course-detail{padding:55px 7% 90px;display:grid;gap:26px}
.course-detail .buy-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px;max-width:340px;box-shadow:0 20px 45px #073b3a18}
.course-detail .buy-card h2{margin:6px 0 16px}
.teacher{color:var(--green2);font-weight:700}
.module-block{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-top:8px;background:#fff}
.module-block ul{margin:10px 0 0;padding-left:18px}
.module-block li{margin-bottom:10px}

/* -------- Sala de aula (aluno matriculado) -------- */
.course-player{background:#f3f7f5;padding:42px 6% 80px;min-height:70vh}
.course-player .module-block h2{font-size:19px;margin-bottom:8px}

/* -------- Avaliação -------- */
.assessment-form fieldset{margin:16px 0}

/* -------- Cupons e checkout -------- */
.checkout-coupon,.buy-card label{margin-top:14px}

/* -------- Validação de certificado -------- */
.card.certificate-valid{background:#fffdf5;border:6px double var(--green);text-align:center;padding:32px}

/* -------- Rodapé -------- */
footer{background:#052f2f;color:#c2d8d3;padding:50px 6%;text-align:center;font-size:13px}

@media(max-width:800px){
  .nav-toggle-btn{display:block;order:1}
  .nav{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:16px 6% 22px;border-bottom:1px solid var(--line);
    gap:14px;box-shadow:0 12px 24px #073b3a14;
  }
  .nav-toggle-checkbox:checked ~ .nav{display:flex}
  .nav a.button{width:100%;text-align:center;box-sizing:border-box}
  .grid{grid-template-columns:1fr}
  .dashboard{grid-template-columns:1fr}
  .sidebar{display:flex;overflow:auto;gap:5px}
  .sidebar a{white-space:nowrap}
  .content{padding:22px}
  .hero{padding:55px 22px}
  .hero h1{letter-spacing:-2px}
  .auth-card{padding:27px}
  .course-detail{padding:35px 22px 60px}
  .course-player{padding:28px 18px 60px}
}