/* ========================================
   FCamargo — Login
   ======================================== */

.login-box {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border-radius: 24px;
  padding: 48px 40px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08);
  margin: 24px;
}

.logo-area {
  text-align: center;
  margin-bottom: 36px;
}

.logo-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 32px;
  letter-spacing: -1px;
  background: linear-gradient(90deg, var(--accent1), var(--accent4));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-sub {
  font-size: 12px;
  color: var(--gray);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.divider {
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent1), var(--accent4));
  border-radius: 2px;
  margin: 16px auto 0;
}

.login-box h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--dark);
  margin-bottom: 6px;
}

.subtitle {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 28px;
}

.back-link {
  display: block;
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s;
}

.back-link:hover { color: var(--dark); }

.back-link span {
  color: var(--accent4);
  font-weight: 600;
}

/* Shake ao tentar entrar com campos vazios */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60%  { transform: translateX(-6px); }
  40%, 80%  { transform: translateX(6px); }
}

.btn.shake { animation: shake 0.4s ease; }

/* Spinner do botão de login */
.btn .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: white;
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 480px) {
  .login-box {
    border-radius: 0;
    box-shadow: none;
    margin: 0;
    min-height: 100vh;
    padding: 48px 24px;
  }
}