/* Portal do aluno — mesma família visual da página de vendas: o portal é um cérebro, cada aula um neurônio. */
:root {
  --fundo: #03050a;
  --painel: rgba(10, 15, 27, 0.78);
  --texto: #e8eef8;
  --suave: #93a2b9;
  --apagado: #4d5a70;
  --ciano: #6fd6ff;
  --ambar: #ffc36b;
  --rosa: #ff6fb5;
  --lilas: #a98bff;
  --verde: #52f2a6;
  --perigo: #ff5d6c;
  --borda: rgba(130, 170, 220, 0.16);
  --display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --corpo: "Manrope", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --cor: var(--ciano);
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
}
body {
  font-family: var(--corpo);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
a {
  color: inherit;
}
::selection {
  background: var(--ciano);
  color: var(--fundo);
}
#cosmos {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}
.vinheta {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    ellipse at 50% 20%,
    transparent 0,
    rgba(3, 5, 10, 0.55) 60%,
    rgba(3, 5, 10, 0.95) 100%
  );
}
main {
  position: relative;
  z-index: 2;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 96px 20px 80px;
}
.mono {
  font-family: var(--mono);
  letter-spacing: 0.08em;
}
.olho {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cor);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.olho::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}
h1,
h2,
h3 {
  font-family: var(--display);
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 {
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  margin: 14px 0 10px;
}
.lead {
  color: var(--suave);
  font-size: 1.08rem;
  max-width: 58ch;
  margin: 0 0 22px;
}
.neon {
  background: linear-gradient(
    100deg,
    var(--ciano),
    var(--lilas) 35%,
    var(--rosa) 60%,
    var(--ambar) 85%,
    var(--ciano)
  );
  background-size: 250% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: brilho 7s linear infinite;
}
@keyframes brilho {
  to {
    background-position: -250% 0;
  }
}

/* topo */
.topo {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: calc(14px + env(safe-area-inset-top, 0px)) 20px 14px;
  background: rgba(3, 5, 10, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--borda);
}
.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  white-space: nowrap;
}
.marca i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ciano);
  box-shadow:
    0 0 14px var(--ciano),
    0 0 30px var(--ciano);
}
.topo nav {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.85rem;
}
.topo nav .quem {
  color: var(--suave);
  max-width: 22ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topo nav a {
  text-decoration: none;
  color: var(--ambar);
}
.topo nav form {
  margin: 0;
}
.topo nav button {
  font: 600 0.85rem var(--corpo);
  color: var(--texto);
  background: none;
  border: 1px solid var(--borda);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
}
@media (max-width: 560px) {
  .topo nav .quem {
    display: none;
  }
}

/* botões */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  font: 800 1rem var(--corpo);
  color: #02060c;
  padding: 16px 28px;
  border-radius: 999px;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(100deg, var(--ciano), #9ee8ff 45%, var(--verde));
  box-shadow: 0 10px 40px -10px rgba(111, 214, 255, 0.7);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    110deg,
    transparent 30%,
    rgba(255, 255, 255, 0.7) 50%,
    transparent 70%
  );
  transform: translateX(-120%);
  animation: varre 3.4s ease-in-out infinite;
}
@keyframes varre {
  60%,
  100% {
    transform: translateX(120%);
  }
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 50px -8px rgba(111, 214, 255, 0.9);
}
.btn.fantasma {
  background: transparent;
  color: var(--texto);
  border: 1px solid var(--borda);
  box-shadow: none;
}
.btn.fantasma::after {
  display: none;
}
.btn[disabled] {
  opacity: 0.7;
  cursor: default;
  color: var(--verde);
  border-color: rgba(82, 242, 166, 0.4);
}
.btn:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--ambar);
  outline-offset: 3px;
}

/* cartões e formulários */
.cartao {
  background: var(--painel);
  border: 1px solid var(--borda);
  border-radius: 22px;
  padding: 30px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
label {
  display: grid;
  gap: 6px;
  font-size: 0.86rem;
  color: var(--suave);
  margin-bottom: 14px;
}
input,
textarea,
select {
  font: 500 1rem var(--corpo);
  color: var(--texto);
  background: rgba(3, 5, 10, 0.7);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 13px 14px;
  width: 100%;
}
textarea {
  min-height: 110px;
  resize: vertical;
}
.aviso {
  color: var(--ambar);
  font-weight: 700;
}
.mini {
  color: var(--apagado);
  font-size: 0.82rem;
  margin: 16px 0 0;
}

/* entrada */
.tela-porta main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding-top: 80px;
}
.porta {
  position: relative;
  width: 100%;
  display: grid;
  place-items: center;
}
.porta-cerebro {
  position: absolute;
  inset: -60px;
  z-index: -1;
  opacity: 0.9;
}
.porta-cerebro canvas {
  width: 100%;
  height: 100%;
}
.entrar {
  width: min(460px, 100%);
  box-shadow: 0 40px 120px -40px rgba(111, 214, 255, 0.45);
}
.entrar h1 {
  font-size: clamp(1.8rem, 6vw, 2.5rem);
}
.entrar .btn {
  width: 100%;
  margin-top: 6px;
}

/* vitrine */
.vitrine .sub-titulo {
  font-size: 1.2rem;
  margin: 54px 0 16px;
  color: var(--suave);
}
.grade-cursos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(330px, 100%), 1fr));
  gap: 20px;
  margin-top: 26px;
}
.curso {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 290px;
  padding: 26px;
  border-radius: 24px;
  text-decoration: none;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 85% 0%,
      color-mix(in srgb, var(--cor) 22%, transparent),
      transparent 55%
    ),
    var(--painel);
  border: 1px solid color-mix(in srgb, var(--cor) 35%, transparent);
  transition:
    transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1),
    box-shadow 0.35s;
  animation: nasce 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  animation-delay: calc(var(--i) * 0.08s);
}
@keyframes nasce {
  from {
    opacity: 0;
    transform: translateY(26px) scale(0.97);
    filter: blur(6px);
  }
}
.curso:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 80px -30px var(--cor);
}
.curso h3 {
  font-size: 1.55rem;
  margin-top: auto;
}
.curso p {
  color: var(--suave);
  margin: 0;
}
.curso-topo {
  display: flex;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--cor);
}
.curso .acao {
  font-weight: 800;
  color: var(--cor);
}
.curso.trancado {
  filter: saturate(0.4);
}
.curso.trancado h3::before {
  content: "🔒 ";
  font-size: 0.8em;
}
.curso-orbita {
  position: absolute;
  right: -40px;
  top: -40px;
  width: 200px;
  height: 200px;
  pointer-events: none;
}
.curso-orbita i {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed color-mix(in srgb, var(--cor) 45%, transparent);
  animation: gira 18s linear infinite;
}
.curso-orbita i:nth-child(2) {
  inset: 30px;
  animation-duration: 12s;
  animation-direction: reverse;
}
.curso-orbita i:nth-child(3) {
  inset: 70px;
  border-style: solid;
  background: radial-gradient(circle, var(--cor), transparent 70%);
  opacity: 0.6;
  animation: pulso 2.6s ease-in-out infinite;
}
@keyframes gira {
  to {
    transform: rotate(360deg);
  }
}
@keyframes pulso {
  50% {
    opacity: 0.2;
    transform: scale(0.85);
  }
}
.trilho {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}
.trilho i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cor), var(--verde));
  box-shadow: 0 0 12px var(--cor);
}
.vazio {
  color: var(--suave);
}

/* página do curso: a rede de neurônios */
.voltar {
  display: inline-block;
  color: var(--suave);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.curso-cab {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
}
.medidor {
  position: relative;
  width: 150px;
  height: 150px;
}
.medidor svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.medidor circle {
  fill: none;
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 8;
}
.medidor .arco {
  stroke: var(--cor);
  stroke-linecap: round;
  stroke-dasharray: 327;
  stroke-dashoffset: calc(327 - 327 * var(--p));
  filter: drop-shadow(0 0 8px var(--cor));
  transition: stroke-dashoffset 1.2s;
}
.medidor b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 1.6rem;
}
.rede {
  position: relative;
  margin-top: 46px;
}
#rede-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}
.aulas {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: 18px 22px;
  position: relative;
}
.aulas li {
  animation: nasce 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  animation-delay: calc(var(--i) * 0.06s);
}
.aulas li > a,
.aulas li > div {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 2px 14px;
  padding: 18px 18px 18px 16px;
  border-radius: 18px;
  text-decoration: none;
  background: var(--painel);
  border: 1px solid var(--borda);
  transition:
    border-color 0.3s,
    transform 0.3s,
    box-shadow 0.3s;
}
.aulas li > a:hover {
  transform: translateY(-3px);
  border-color: var(--cor);
}
.aulas .n {
  grid-row: span 2;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  color: var(--suave);
  border: 1px solid var(--borda);
  background: rgba(3, 5, 10, 0.8);
}
.aulas .t {
  font-weight: 800;
  line-height: 1.3;
}
.aulas .s {
  font-size: 0.7rem;
  color: var(--apagado);
}
.aulas li.feita .n {
  color: #02060c;
  background: var(--cor);
  border-color: var(--cor);
  box-shadow:
    0 0 18px var(--cor),
    0 0 40px color-mix(in srgb, var(--cor) 50%, transparent);
}
.aulas li.feita .s {
  color: var(--verde);
}
.aulas li.agora > a {
  border-color: var(--cor);
  box-shadow: 0 0 50px -16px var(--cor);
}
.aulas li.agora .n {
  border-color: var(--cor);
  color: var(--cor);
  animation: chama 1.8s ease-in-out infinite;
}
@keyframes chama {
  50% {
    box-shadow: 0 0 0 8px color-mix(in srgb, var(--cor) 18%, transparent);
  }
}
.aulas li.breve > div {
  opacity: 0.45;
}

/* aula */
.aula-grade {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  margin-top: 8px;
}
.player {
  position: relative;
  aspect-ratio: 16 / 9;
  max-width: 100%;
  border-radius: 20px;
  overflow: hidden;
  background: #000;
  border: 1px solid color-mix(in srgb, var(--cor) 35%, transparent);
  box-shadow: 0 40px 120px -40px var(--cor);
}
.player video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}
.cantos i {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--cor);
  opacity: 0.7;
  pointer-events: none;
}
.cantos i:nth-child(1) {
  top: 12px;
  left: 12px;
  border-right: 0;
  border-bottom: 0;
}
.cantos i:nth-child(2) {
  top: 12px;
  right: 12px;
  border-left: 0;
  border-bottom: 0;
}
.cantos i:nth-child(3) {
  bottom: 56px;
  left: 12px;
  border-right: 0;
  border-top: 0;
}
.cantos i:nth-child(4) {
  bottom: 56px;
  right: 12px;
  border-left: 0;
  border-top: 0;
}
.aula-tit {
  margin-top: 22px;
}
.aula-tit .mono {
  color: var(--cor);
  font-size: 0.78rem;
}
.aula-tit h1 {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  margin-top: 6px;
}
.aula-acoes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.aula-lado {
  display: grid;
  gap: 16px;
  align-content: start;
}
.bloco {
  background: var(--painel);
  border: 1px solid var(--borda);
  border-radius: 18px;
  padding: 18px;
  display: grid;
  gap: 10px;
  min-width: 0;
}
.prompt {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: 0.82rem/1.55 var(--mono);
  color: #c6d3e6;
  background: rgba(3, 5, 10, 0.8);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 12px;
}
.copiar {
  font: 800 0.9rem var(--corpo);
  color: #02060c;
  background: var(--ciano);
  border: 0;
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
}
.link {
  color: var(--ciano);
  font-weight: 700;
  word-break: break-word;
}
#nota {
  min-height: 140px;
}
#nota-status {
  color: var(--apagado);
  font-size: 0.72rem;
}
.mini-lista {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  font-size: 0.88rem;
}
.mini-lista a,
.mini-lista span {
  display: block;
  padding: 6px 8px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--suave);
}
.mini-lista li.agora a {
  background: color-mix(in srgb, var(--cor) 14%, transparent);
  color: var(--texto);
}
.mini-lista span {
  opacity: 0.5;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 20;
  padding: 14px 22px;
  border-radius: 14px;
  background: rgba(8, 20, 14, 0.95);
  border: 1px solid var(--verde);
  color: var(--texto);
  font-weight: 700;
  box-shadow: 0 0 60px -10px var(--verde);
  animation: nasce 0.5s both;
}

/* admin */
.admin h1 {
  margin-bottom: 20px;
}
.admin-grade {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 18px;
  margin-bottom: 18px;
}
.admin .cartao {
  margin-bottom: 18px;
  overflow-x: auto;
}
.admin h2 {
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.admin table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.admin td,
.admin th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--borda);
}
.admin small {
  color: var(--apagado);
}
.admin code {
  font-family: var(--mono);
  color: var(--ambar);
  word-break: break-all;
}

@media (max-width: 900px) {
  .aula-grade {
    grid-template-columns: minmax(0, 1fr);
  }
  .curso-cab {
    grid-template-columns: minmax(0, 1fr);
  }
  .medidor {
    width: 110px;
    height: 110px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* imagens: o Criador ao fundo, capas dos cursos e das aulas */
.fundo-criador { position: fixed; right: -6vw; top: 0; width: min(62vw, 980px); height: 100vh; z-index: 1; pointer-events: none; background: url(/estatico/capas/fundo-criador.jpg?v=2) center / cover no-repeat; opacity: 0.55; -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 45%), linear-gradient(0deg, transparent 0%, #000 30%); -webkit-mask-composite: source-in; mask-image: linear-gradient(90deg, transparent 0%, #000 45%), linear-gradient(0deg, transparent 0%, #000 30%); mask-composite: intersect; animation: respira 9s ease-in-out infinite; }
@keyframes respira { 50% { opacity: 0.4; transform: scale(1.03); } }
.tela-porta .fundo-criador { left: 0; right: 0; width: 100vw; opacity: 0.38; -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 75%); }
@media (max-width: 760px) { .fundo-criador { width: 100vw; right: 0; opacity: 0.28; } }
.curso { padding-top: 0; }
.curso-capa { margin: 0 -26px 6px; height: 170px; background-size: cover; background-position: center 30%; -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent); mask-image: linear-gradient(180deg, #000 55%, transparent); transition: transform 0.6s; }
.curso:hover .curso-capa { transform: scale(1.05); }
.curso .curso-topo { position: absolute; top: 18px; left: 26px; right: 26px; z-index: 2; text-shadow: 0 1px 8px #000; }
.curso h3 { margin-top: 0; }
.curso-banner { height: clamp(180px, 30vw, 340px); margin: 6px 0 -80px; border-radius: 24px; background-size: cover; background-position: center 28%; -webkit-mask-image: linear-gradient(180deg, #000 40%, transparent 100%); mask-image: linear-gradient(180deg, #000 40%, transparent 100%); }
.curso-cab { position: relative; z-index: 2; }
.aulas li > a, .aulas li > div { grid-template-columns: auto 1fr; padding-top: 0; overflow: hidden; }
.aulas .thumb { grid-column: 1 / -1; margin: 0 -18px 12px -16px; height: 120px; background-size: cover; background-position: center 30%; filter: saturate(0.85) brightness(0.8); transition: filter 0.4s, transform 0.6s; }
.aulas li > a:hover .thumb { filter: none; transform: scale(1.04); }
.aulas li.breve .thumb { filter: grayscale(1) brightness(0.45); }
.aulas li.feita .thumb { filter: none; }
.aulas .n { grid-row: auto; }
.aulas .t, .aulas .s { grid-column: 2; }
.aulas .n { grid-row: 2 / span 2; }
.entrar { background: rgba(6, 9, 16, 0.9); }