/* Login bipartido do Instrutor+: tokens do mockup aprovado (grafite + amarelo). */
:root {
  --grafite: #14171C; --grafite-2: #22272F; --amarelo: #FFC400; --amarelo-suave: #FFF3C7;
  --fundo: #F5F4F0; --superficie: #FFFFFF; --linha: #E6E5DE; --contorno: #C4C3BB;
  --texto: #14171C; --texto-2: #474D56; --texto-3: #5F656E;
  --vermelho: #BF2A20; --vermelho-suave: #FCE7E4; --foco: #2563EB;
  --fonte: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html, body { min-block-size: 100%; }
body { font-family: var(--fonte); background: var(--fundo); color: var(--texto); line-height: 1.45; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--foco); outline-offset: 2px; }

.tela { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); min-block-size: 100dvh; }

/* ---------- metade da marca ---------- */
.marca {
  position: relative; overflow: hidden; background: var(--amarelo); color: var(--grafite);
  padding: clamp(28px, 5vw, 64px); display: flex; flex-direction: column; gap: 28px;
}
.marca-topo { display: flex; align-items: center; gap: 12px; }
.nome { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; }
.marca-texto { max-inline-size: 30rem; position: relative; z-index: 1; }
.marca h1 { font-size: clamp(1.75rem, 3.2vw, 2.75rem); font-weight: 800; line-height: 1.12; letter-spacing: -0.03em; }
.marca-texto p { margin-block-start: 12px; font-size: 1.0625rem; color: var(--grafite-2); }
.tela-app {
  position: absolute; inset-inline-end: -40px; inset-block-end: -120px; inline-size: min(46%, 300px); block-size: auto;
  border-radius: 36px; border: 8px solid var(--grafite); box-shadow: 0 30px 60px -20px rgb(20 23 28 / .45);
  transform: rotate(-6deg);
}
.rodape-marca { margin-block-start: auto; font-size: .8125rem; font-weight: 700; position: relative; z-index: 1; }

/* ---------- metade do formulário ---------- */
.formulario { display: grid; place-items: center; padding: clamp(24px, 5vw, 64px); background: var(--superficie); }
form { inline-size: min(100%, 380px); display: flex; flex-direction: column; }
form h2 { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.02em; }
.sub { color: var(--texto-3); margin-block: 6px 24px; }
label { font-weight: 700; font-size: .875rem; margin-block: 14px 6px; }
input {
  inline-size: 100%; min-block-size: 52px; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--contorno); background: var(--superficie); font-size: 1rem;
}
input:focus { border-color: var(--grafite); }
.senha { position: relative; }
.senha input { padding-inline-end: 96px; }
.senha button {
  position: absolute; inset-block: 6px; inset-inline-end: 6px; padding-inline: 12px; border: 0; border-radius: 8px;
  background: var(--fundo); font-size: .8125rem; font-weight: 700; cursor: pointer;
}
.erro { margin-block-start: 14px; padding: 10px 12px; border-radius: 10px; background: var(--vermelho-suave); color: var(--vermelho); font-size: .875rem; }
.botao {
  margin-block-start: 22px; min-block-size: 54px; border: 0; border-radius: 14px; cursor: pointer;
  background: var(--grafite); color: #fff; font-weight: 700; font-size: 1rem;
}
.botao:disabled { opacity: .65; cursor: progress; }
.nota { margin-block-start: 16px; font-size: .8125rem; color: var(--texto-3); }

/* ---------- celular: a marca vira uma faixa em cima ---------- */
@media (width < 820px) {
  .tela { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .marca { padding: 24px 20px 28px; gap: 16px; min-block-size: 230px; }
  .marca h1 { font-size: 1.5rem; max-inline-size: 15em; }
  .marca-texto p, .rodape-marca { display: none; }
  .tela-app { inline-size: 120px; inset-inline-end: -10px; inset-block-end: -150px; border-width: 5px; border-radius: 22px; }
  .formulario { place-items: start center; padding: 28px 20px 40px; border-radius: 24px 24px 0 0; margin-block-start: -20px; position: relative; }
}
@media (prefers-reduced-motion: no-preference) {
  .tela-app { transition: transform .4s ease; }
}