/* =========================================================
   MNDN CURSOS - Identidade visual
   Paleta extraída da logo: verde, amarelo, vermelho, roxo,
   marrom (tronco) sobre fundo escuro estilo streaming.
   ========================================================= */

:root {
    --bg: #0a0d0a;
    --bg-elevado: #14170f;
    --bg-card: #191d15;
    --verde: #3fa34d;
    --verde-escuro: #1e5c2a;
    --amarelo: #f4c020;
    --vermelho: #e03c31;
    --roxo: #7b4fc9;
    --marrom: #6b4226;
    --texto: #f2f2ea;
    --texto-suave: #b7b9ab;
    --borda: #2a2f22;
    --sombra: 0 10px 30px rgba(0,0,0,.5);
    --gradiente-marca: linear-gradient(135deg, var(--verde) 0%, var(--amarelo) 35%, var(--vermelho) 68%, var(--roxo) 100%);

    /* cores do player de vídeo Plyr, na identidade do MNDN */
    --plyr-color-main: #3fa34d;
    --plyr-video-background: #000;
    --plyr-menu-background: #14170f;
    --plyr-menu-color: #f2f2ea;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--texto);
    font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

::-webkit-scrollbar { height: 8px; width: 8px; }
::-webkit-scrollbar-thumb { background: var(--verde-escuro); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

.container { max-width: 1400px; margin: 0 auto; padding: 0 32px; }

/* ---------- Botões ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 8px;
    border: none;
    font-weight: 700;
    font-size: 15px;
    transition: transform .15s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn-primario { background: var(--verde); color: #06140a; }
.btn-secundario { background: rgba(255,255,255,.12); color: var(--texto); backdrop-filter: blur(6px); }
.btn-perigo { background: var(--vermelho); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--borda); color: var(--texto); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Topbar ---------- */
.topbar {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 32px;
    background: linear-gradient(to bottom, rgba(6,8,5,.95), rgba(6,8,5,.75) 80%, transparent);
    backdrop-filter: blur(4px);
}
.topbar.solida { background: var(--bg-elevado); box-shadow: var(--sombra); }
.marca { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: .3px; }
.marca img { height: 42px; width: 42px; border-radius: 50%; }
.marca span.destaque { background: var(--gradiente-marca); -webkit-background-clip: text; background-clip: text; color: transparent; }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--texto-suave); font-weight: 600; font-size: 14.5px; transition: color .15s; }
.nav-links a:hover, .nav-links a.ativo { color: var(--texto); }

.menu-usuario { display: flex; align-items: center; gap: 14px; }
.avatar-circulo {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--gradiente-marca);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; color: #06140a; font-size: 15px;
}

/* ---------- Hero / Banner curso destaque ---------- */
.hero {
    position: relative;
    min-height: 62vh;
    display: flex; align-items: flex-end;
    background-size: cover; background-position: center top;
    border-radius: 0 0 22px 22px;
    overflow: hidden;
    margin-bottom: 40px;
}
.hero::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to top, var(--bg) 5%, rgba(10,13,10,.35) 55%, rgba(10,13,10,.1) 100%),
                linear-gradient(to right, rgba(10,13,10,.85) 0%, transparent 55%);
}
.hero-conteudo { position: relative; z-index: 2; padding: 48px; max-width: 680px; }
.hero-tag { display: inline-block; background: var(--gradiente-marca); color: #06140a; font-weight: 800; font-size: 12px; padding: 5px 12px; border-radius: 20px; margin-bottom: 14px; text-transform: uppercase; letter-spacing: .5px; }
.hero-titulo { font-size: 44px; font-weight: 900; margin: 0 0 14px; text-shadow: 0 4px 20px rgba(0,0,0,.6); }
.hero-desc { color: var(--texto-suave); font-size: 16px; margin-bottom: 22px; max-width: 560px; }
.hero-acoes { display: flex; gap: 14px; }

/* ---------- Carrosséis (linhas estilo Netflix) ---------- */
.linha-secao { margin-bottom: 42px; }
.linha-titulo { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; margin: 0 0 14px; padding: 0 32px; }
.linha-titulo .barra { width: 5px; height: 20px; border-radius: 3px; background: var(--gradiente-marca); }

.carrossel-wrap { position: relative; }
.carrossel {
    display: flex; gap: 14px; overflow-x: auto; scroll-behavior: smooth;
    padding: 6px 32px 20px;
}
.carrossel::-webkit-scrollbar { display: none; }

/* Swiper (carrossel estilo Netflix: arraste no touch + setas + zoom no hover) */
.swiper { padding: 10px 32px 30px; }
.swiper-slide { width: 260px; }
.swiper-slide .card-curso { width: 100%; }
.swiper-slide:hover { z-index: 20; }

.card-curso {
    flex: 0 0 auto; width: 260px;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--borda);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
    cursor: pointer;
}
.card-curso:hover { transform: translateY(-8px) scale(1.08); box-shadow: var(--sombra); border-color: var(--verde); z-index: 5; }
.card-curso .capa { width: 100%; height: 145px; object-fit: cover; background: linear-gradient(135deg, var(--verde-escuro), var(--marrom)); }
.card-curso .capa.carregando { background: linear-gradient(100deg, var(--bg-card) 30%, #23281c 50%, var(--bg-card) 70%); background-size: 400% 100%; animation: brilhoCarregando 1.4s ease-in-out infinite; }
@keyframes brilhoCarregando { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }
.card-curso .corpo { padding: 14px; }
.card-curso .categoria-pill { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; padding: 3px 9px; border-radius: 20px; display: inline-block; margin-bottom: 8px; }
.card-curso h3 { font-size: 15px; margin: 0 0 6px; font-weight: 700; }
.card-curso p { font-size: 12.5px; color: var(--texto-suave); margin: 0; }
.card-curso .progresso-mini { height: 4px; background: var(--borda); border-radius: 3px; margin-top: 10px; overflow: hidden; }
.card-curso .progresso-mini > div { height: 100%; background: var(--gradiente-marca); }

.seta-scroll, .seta-esquerda, .seta-direita {
    position: absolute; top: 0; bottom: 30px; width: 48px; z-index: 6;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(to right, var(--bg) 25%, transparent);
    border: none; color: var(--texto); font-size: 22px; cursor: pointer;
    opacity: 0; transition: opacity .2s;
}
.carrossel-wrap:hover .seta-esquerda, .carrossel-wrap:hover .seta-direita { opacity: 1; }
.seta-esquerda { left: 0; }
.seta-direita, .seta-scroll.direita { right: 0; left: auto; background: linear-gradient(to left, var(--bg) 25%, transparent); }
.seta-esquerda.swiper-button-disabled, .seta-direita.swiper-button-disabled { opacity: 0 !important; pointer-events: none; }

/* ---------- Auth (login/registro) ---------- */
.pagina-auth {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: radial-gradient(ellipse at top, #10190d 0%, #050603 70%);
    padding: 24px;
}
.card-auth {
    width: 100%; max-width: 420px;
    background: var(--bg-elevado);
    border: 1px solid var(--borda);
    border-radius: 16px;
    padding: 38px 34px;
    box-shadow: var(--sombra);
}
.card-auth .logo-topo { display: flex; flex-direction: column; align-items: center; margin-bottom: 22px; }
.card-auth .logo-topo img { height: 78px; width: 78px; border-radius: 50%; margin-bottom: 10px; }
.card-auth h1 { font-size: 22px; text-align: center; margin: 0 0 4px; }
.card-auth .sub { text-align: center; color: var(--texto-suave); font-size: 13.5px; margin-bottom: 24px; }

.campo { margin-bottom: 16px; }
.campo label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; color: var(--texto-suave); }
.campo input, .campo select, .campo textarea {
    width: 100%; padding: 12px 14px; border-radius: 8px;
    border: 1px solid var(--borda); background: #0d100b; color: var(--texto);
    font-size: 14.5px;
}
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--verde); }
.campo-linha { display: flex; gap: 12px; }
.campo-linha .campo { flex: 1; }

.alerta { padding: 12px 16px; border-radius: 8px; font-size: 13.5px; margin-bottom: 16px; }
.alerta-erro { background: rgba(224,60,49,.15); border: 1px solid var(--vermelho); color: #ffb3ac; }
.alerta-sucesso { background: rgba(63,163,77,.15); border: 1px solid var(--verde); color: #b7f0be; }

.link-alt { text-align: center; margin-top: 18px; font-size: 13.5px; color: var(--texto-suave); }
.link-alt a { color: var(--amarelo); font-weight: 700; }

/* ---------- Página de curso ---------- */
.capa-curso-topo {
    height: 46vh; background-size: cover; background-position: center;
    position: relative; border-radius: 0 0 20px 20px; overflow: hidden;
}
.capa-curso-topo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg), transparent 60%); }
.info-curso { padding: 0 32px; margin-top: -60px; position: relative; z-index: 3; }
.selo-nivel { display: inline-block; font-size: 11.5px; font-weight: 800; padding: 4px 10px; border-radius: 6px; text-transform: uppercase; }
.barra-progresso-curso { height: 8px; background: var(--borda); border-radius: 5px; overflow: hidden; margin: 16px 0; max-width: 420px; }
.barra-progresso-curso > div { height: 100%; background: var(--gradiente-marca); }

.lista-aulas { padding: 0 32px; margin-top: 30px; }
.item-aula {
    display: flex; align-items: center; gap: 16px;
    background: var(--bg-card); border: 1px solid var(--borda);
    border-radius: 10px; padding: 14px 18px; margin-bottom: 10px;
    transition: border-color .15s;
}
.item-aula:hover { border-color: var(--verde); }
.item-aula .num { width: 34px; height: 34px; border-radius: 50%; background: var(--bg-elevado); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px; flex-shrink: 0; }
.item-aula.concluida .num { background: var(--verde); color: #06140a; }
.item-aula .titulo-aula { flex: 1; }
.item-aula .titulo-aula h4 { margin: 0 0 3px; font-size: 15px; }
.item-aula .titulo-aula span { font-size: 12.5px; color: var(--texto-suave); }

/* ---------- Player de aula ---------- */
.player-wrap { background: #000; border-radius: 12px; overflow: hidden; margin-bottom: 22px; }
.player-wrap video, .player-wrap iframe { width: 100%; height: 100%; border: none; }
.player-wrap:not(:has(.plyr)) { aspect-ratio: 16/9; }
.player-wrap .plyr { border-radius: 12px; }
.materiais-lista { display: flex; flex-direction: column; gap: 10px; }
.material-item { display: flex; align-items: center; justify-content: space-between; background: var(--bg-card); border: 1px solid var(--borda); border-radius: 8px; padding: 12px 16px; }

/* ---------- Certificado ---------- */
.certificado-box { text-align: center; padding: 60px 20px; }
.certificado-preview { max-width: 720px; margin: 24px auto; border-radius: 10px; border: 1px solid var(--borda); box-shadow: var(--sombra); }

/* ---------- Cards genéricos / painel ---------- */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 18px; padding: 0 32px 40px; }

.tabela { width: 100%; border-collapse: collapse; background: var(--bg-card); border-radius: 10px; overflow: hidden; }
.tabela th, .tabela td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--borda); font-size: 14px; }
.tabela th { background: var(--bg-elevado); color: var(--texto-suave); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11.5px; font-weight: 700; }
.badge-verde { background: rgba(63,163,77,.18); color: #7bdb87; }
.badge-vermelho { background: rgba(224,60,49,.18); color: #ff9089; }
.badge-amarelo { background: rgba(244,192,32,.18); color: #f4c020; }

.painel-shell { display: flex; min-height: 100vh; }
.painel-sidebar { width: 230px; background: var(--bg-elevado); border-right: 1px solid var(--borda); padding: 24px 16px; flex-shrink: 0; }
.painel-sidebar a { display: block; padding: 11px 14px; border-radius: 8px; color: var(--texto-suave); font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.painel-sidebar a:hover, .painel-sidebar a.ativo { background: var(--bg-card); color: var(--texto); }
.painel-conteudo { flex: 1; padding: 30px 36px; max-width: 1200px; }

/* ---------- Footer ---------- */
.rodape { padding: 40px 32px; text-align: center; color: var(--texto-suave); font-size: 13px; border-top: 1px solid var(--borda); margin-top: 60px; }

/* ---------- Responsivo ---------- */
@media (max-width: 780px) {
    .topbar { padding: 12px 16px; }
    .nav-links { display: none; }
    .hero-titulo { font-size: 30px; }
    .container, .linha-titulo, .carrossel, .lista-aulas, .info-curso, .grid-cards, .rodape { padding-left: 16px; padding-right: 16px; }
    .painel-shell { flex-direction: column; }
    .painel-sidebar { width: 100%; display: flex; overflow-x: auto; gap: 4px; }
}

/* =========================================================
   Efeito 3D da logo (tela de introdução)
   ========================================================= */
.intro-3d-stage {
    min-height: 100vh;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: radial-gradient(ellipse at center, #10190d 0%, #040502 75%);
    position: relative; overflow: hidden;
    text-align: center;
    padding: 20px;
}
.intro-3d-stage .particula {
    position: absolute; border-radius: 50%; opacity: .5; filter: blur(1px);
    animation: subir linear infinite;
}
@keyframes subir {
    from { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: .6; }
    90% { opacity: .3; }
    to { transform: translateY(-110vh) translateX(var(--desvio, 20px)); opacity: 0; }
}

.palco-3d { perspective: 1200px; margin-bottom: 34px; }
.logo-3d {
    width: 190px; height: 190px; position: relative;
    transform-style: preserve-3d;
    animation: girar3d 7s ease-in-out infinite;
}
.logo-3d img {
    position: absolute; inset: 0; width: 100%; height: 100%; border-radius: 50%;
    box-shadow: 0 25px 60px rgba(0,0,0,.6), 0 0 60px rgba(63,163,77,.35);
}
.logo-3d .anel {
    position: absolute; inset: -22px; border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--verde); border-right-color: var(--amarelo);
    border-bottom-color: var(--vermelho); border-left-color: var(--roxo);
    animation: rodar 3.5s linear infinite;
    transform: translateZ(-40px);
}
.logo-3d .anel.anel2 { inset: -42px; animation-duration: 6s; animation-direction: reverse; opacity: .55; transform: translateZ(-80px); }

@keyframes girar3d {
    0%   { transform: rotateY(0deg) rotateX(0deg); }
    25%  { transform: rotateY(180deg) rotateX(8deg); }
    50%  { transform: rotateY(360deg) rotateX(0deg); }
    75%  { transform: rotateY(180deg) rotateX(-8deg); }
    100% { transform: rotateY(360deg) rotateX(0deg); }
}
@keyframes rodar { to { transform: translateZ(-40px) rotate(360deg); } }

.intro-3d-stage h1 { font-size: 30px; margin: 0 0 8px; font-weight: 900; letter-spacing: .3px; }
.intro-3d-stage .brilho { background: var(--gradiente-marca); -webkit-background-clip: text; background-clip: text; color: transparent; }
.intro-3d-stage p.slogan { color: var(--texto-suave); margin: 0 0 30px; font-size: 15px; }
.intro-3d-stage .btn { font-size: 16px; padding: 14px 34px; }