:root {
  --primary: #00cfff;
  --dark-blue: #001a33;
  --light: #f4f9ff;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
  font-family: 'Poppins', sans-serif;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  background-color: #000; /* fundo escuro por padrão */
}

body::before {
  display: none; /* Remove a máscara branca */
}

#video-fundo-login {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -3;
  opacity: 0.3;
}

header {
  background-color: var(--dark-blue);
  color: #fff;
  padding: 1rem;
  text-align: center;
}

main {
  max-width: 420px;
  margin: 5rem auto;
  background-color: #0F1A2B; /* COR FINAL AJUSTADA */
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  text-align: center;
  color: white;
}


h1 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1rem;
  color: #aaa;
  margin-bottom: 2rem;
}

label {
  font-weight: 600;
  margin-bottom: 0.3rem;
  display: block;
  text-align: left;
  color: #ddd;
}

input {
  padding: 0.75rem;
  border: 1px solid #52677D; /* borda com cor visível */
  border-radius: 0.5rem;
  width: 100%;
  margin-bottom: 1rem;
  background-color: rgba(255, 255, 255, 0.08); /* mais visível */
  color: white;
  outline: none;
  transition: border-color 0.3s;
}

input:focus {
  border-color: #ffffff;
  background-color: rgba(180, 171, 171, 0.1);
}


.login-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.btn-user,
.btn-admin,
.btn-home {
  padding: 0.75rem;
  border-radius: 0.5rem;
  font-weight: bold;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-user {
  background-color: #70899F;
  color: white;
}

.btn-admin {
  background-color: #70899F;
  color: white;
}

.btn-home {
  background-color: #70899F;
  color: white;
}

.btn-user:hover,
.btn-admin:hover,
.btn-home:hover {
  opacity: 0.9;
}


footer {
  background-color: var(--dark-blue);
  color: white;
  padding: 1rem;
  text-align: center;
  margin-top: auto;
}