body {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  background: url('assets/bk_epce.jpg') no-repeat center center fixed;
  background-size: cover;
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.logo {
  display: block;
  margin: 40px auto 0 auto;
  max-width: 250px;
  width: 100%;
  z-index: 2;
  position: relative;
}
.center-box {
  background: rgba(255,255,255,0.85);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
  padding: 32px 24px 24px 24px;
  max-width: 350px;
  width: 100%;
  text-align: center;
  margin: 32px auto 0 auto;
  z-index: 1;
}
.titulo {
  color: #004183;
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 18px;
  text-shadow: 0 2px 8px #0002;
  letter-spacing: 1px;
}
.relogio {
  color: #000000;
  font-size: 2.2rem;
  font-family: 'Courier New', Courier, monospace;
  font-weight: bold;
  letter-spacing: 2px;
  margin-bottom: 18px;
  background: #ffffff00;
  border-radius: 8px;
  display: inline-block;
  padding: 10px 24px;
}
form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
  margin-top: 18px;
}
input {
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 1.1rem;
}
button {
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 12px;
  font-size: 1.1rem;
  cursor: pointer;
  margin-top: 8px;
  font-weight: bold;
  letter-spacing: 1px;
  transition: background 0.2s;
}
button:hover {
  background: #0056b3;
}
.footer-epce {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.98rem;
  opacity: 0.97;
  letter-spacing: 0.5px;
  text-align: center;
  padding: 12px 24px 10px 24px;
  border-radius: 18px 18px 0 0;
  box-shadow: 0 -2px 16px 0 rgba(0,0,0,0.4);
  z-index: 100;
  max-width: 95vw;
  min-width: 220px;
}
@media (max-width: 600px) {
  .center-box { padding: 18px 6px; margin-top: 16px; }
  .titulo { font-size: 1.5rem; }
  .relogio { font-size: 1.2rem; }
  .footer-epce { font-size: 0.85rem; padding: 10px 8px 8px 8px; border-radius: 12px 12px 0 0; bottom: 0; }
  .logo { max-width: 180px; }
}