:root {
    --marrom: #3a2318;
    --ouro: #b8860b;
    --creme: #f5f0e8;
    --terracota: #8b4513;
    --bege: #e8dcc8;
    --azul-escuro: #1a2744;
    --texto: #2a1a0e;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  body {
    min-height: 100vh;
    background: var(--creme);
    display: grid;
    grid-template-columns: 1fr 1fr;
    font-family: 'Cormorant Garamond', serif;
    color: var(--texto);
  }

  /* ── Coluna esquerda (decorativa) ────────────────────── */
  .lado-imagem {
    background: var(--azul-escuro);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 3rem;
  }

  .lado-imagem::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      linear-gradient(160deg, rgba(26,39,68,0.0) 0%, rgba(26,39,68,0.85) 100%),
      url('/src/images/mere.jpge') center/cover no-repeat;
    filter: sepia(20%) brightness(0.6);
  }

  .lado-imagem-conteudo {
    position: relative;
    z-index: 2;
  }

  .lado-imagem .livro-titulo {
    font-family: 'Cinzel', serif;
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--ouro);
    margin-bottom: 0.6rem;
  }

  .lado-imagem h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.7rem;
    font-weight: 300;
    font-style: italic;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 1.5rem;
  }

  .lado-imagem .credito {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
    font-style: italic;
  }

  /* ── Coluna direita (formulário) ─────────────────────── */
  .lado-form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem 2rem;
  }

  .form-wrapper {
    width: 100%;
    max-width: 380px;
  }

  .form-logo {
    font-family: 'Cinzel', serif;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ouro);
    margin-bottom: 2.5rem;
    display: block;
    text-decoration: none;
  }

  /* Tabs: Entrar / Criar conta */
  .tabs {
    display: flex;
    border-bottom: 1px solid rgba(58,35,24,0.15);
    margin-bottom: 2rem;
  }

  .tab {
    flex: 1;
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Cinzel', serif;
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #aaa;
    padding: 0.8rem 0;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    margin-bottom: -1px;
  }

  .tab.ativa {
    color: var(--marrom);
    border-bottom-color: var(--ouro);
  }

  /* Formulário */
  .campo {
    margin-bottom: 1.2rem;
  }

  .campo label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 0.4rem;
  }

  .campo input {
    width: 100%;
    background: #fff;
    border: 1px solid rgba(58,35,24,0.18);
    padding: 0.75rem 1rem;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.05rem;
    color: var(--texto);
    outline: none;
    transition: border-color 0.2s;
  }

  .campo input:focus {
    border-color: var(--ouro);
  }

  .campo input::placeholder {
    color: #bbb;
  }

  .btn-submit {
    width: 100%;
    background: var(--marrom);
    color: #fff;
    border: none;
    cursor: pointer;
    font-family: 'Cinzel', serif;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 1rem;
    margin-top: 0.5rem;
    transition: background 0.25s;
  }

  .btn-submit:hover   { background: var(--terracota); }
  .btn-submit:disabled { background: #ccc; cursor: not-allowed; }

  .link-esqueci {
    display: block;
    text-align: right;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    color: #888;
    text-decoration: none;
    margin-top: 0.8rem;
    transition: color 0.2s;
  }
  .link-esqueci:hover { color: var(--ouro); }

  /* Mensagens */
  .msg {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.78rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1.2rem;
    border-left: 3px solid;
    display: none;
  }
  .msg.erro   { border-color: #c0392b; background: #fdf0ee; color: #c0392b; }
  .msg.ok     { border-color: var(--ouro); background: #fdf9f0; color: var(--marrom); }
  .msg.visivel { display: block; }

  .divisor-ou {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 1.5rem 0;
    color: #bbb;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
  }
  .divisor-ou::before,
  .divisor-ou::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(58,35,24,0.12);
  }

  /* Painel de "e-mail enviado" */
  .painel-email {
    display: none;
    text-align: center;
    padding: 1rem 0;
  }
  .painel-email.visivel { display: block; }
  .painel-email .icone  { font-size: 2.5rem; margin-bottom: 1rem; }
  .painel-email h3 {
    font-family: 'Cinzel', serif;
    font-size: 1rem;
    font-weight: 400;
    color: var(--marrom);
    margin-bottom: 0.8rem;
  }
  .painel-email p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
  }

  /* Responsivo */
  @media (max-width: 700px) {
    body { grid-template-columns: 1fr; }
    .lado-imagem { display: none; }
    .lado-form { padding: 2rem 1.5rem; justify-content: flex-start; padding-top: 3rem; }
  }