/* ===== Login page (escopado) ===== */

/* Container centralizado sem afetar header/footer */
.login-container {
  display: grid;
  place-items: center;
  padding: 24px 16px;
  min-height: 70svh;
}

/* Cartão do formulário */
.login-box {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  color: var(--ink);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 24px;
  box-sizing: border-box; /* evita overflow */
}

/* Garante box-sizing interno para conter padding + borda */
.login-box *, .login-box *::before, .login-box *::after {
  box-sizing: border-box;
}

/* Título */
.login-box h2 {
  margin: 0 0 16px 0;
  font-size: 1.4rem;
  line-height: 1.2;
}

/* Alerta de erro */
.login-box .alert {
  background: rgba(220, 53, 69, 0.14);
  border: 1px solid rgba(220, 53, 69, 0.35);
  color: #ffd9de;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

/* Formulário */
.login-box form {
  display: grid;
  gap: 12px;
}

/* Labels e campos */
.login-box label {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
}

/* Inputs 100% do cartão sem estourar */
.login-box input[type="text"],
.login-box input[type="email"],
.login-box input[type="password"] {
  display: block;
  width: 100%;
  max-width: 100%;           /* impede ultrapassar o cartão */
  padding: 10px 12px;        /* levemente menor para caber folgado */
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: var(--ink);
  font-size: 16px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.login-box input[type="text"]::placeholder,
.login-box input[type="email"]::placeholder,
.login-box input[type="password"]::placeholder {
  color: rgba(255,255,255,0.55);
}

.login-box input[type="text"]:focus,
.login-box input[type="email"]:focus,
.login-box input[type="password"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(63,160,106,0.25);
  background: rgba(255,255,255,0.08);
}

/* Botão primário */
.login-box .btn,
.login-box button[type="submit"] {
  display: inline-block;
  width: 100%;
  padding: 12px 16px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .15s ease, background .15s ease;
}

.login-box .btn:hover,
.login-box button[type="submit"]:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.login-box .btn:active,
.login-box button[type="submit"]:active {
  transform: translateY(0);
}

/* Acessibilidade */
.login-box .btn:focus-visible,
.login-box input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Responsividade */
@media (max-width: 480px) {
  .login-box {
    padding: 20px;
    border-radius: 10px;
    max-width: 360px; /* margem de segurança em telas muito estreitas */
  }
  .login-box h2 {
    font-size: 1.25rem;
  }
}

/* Respeita redução de movimento */
@media (prefers-reduced-motion: reduce) {
  .login-box .btn,
  .login-box input {
    transition: none;
  }
}