:root {
  --azul: #000525;
  --amarelo: #ffc420;
  --amarelo-dark: #e0ac00;
  --branco: #ffffff;
  --cinza-claro: #f0f0f0;
  --cinza-medio: #dddddd;
  --cinza-escuro: #010a30;
  --placeholder: #666666;

  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-yellow: 0 8px 20px rgba(255, 196, 32, 0.5);
  --shadow-input: inset 0 0 8px rgba(0, 0, 0, 0.1);
  --shadow-title: 0 4px 12px rgba(255, 196, 32, 0.7);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 20px;
  font-family: 'League Gothic', sans-serif;
  font-size: 32px;
  background-color: var(--azul);
  color: var(--branco);

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  height: 100vh;
  min-height: 480px;
  text-align: center;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#title {
  color: var(--amarelo);
  margin-bottom: 30px;
  font-size: clamp(2.5rem, 5vw, 3rem);
  line-height: 1.2;
  user-select: none;
  letter-spacing: 0.05em;
  text-shadow: var(--shadow-title);
}

/* Faz o form ser o card com sombra */
#loginForm {
  background-color: var(--cinza-escuro);
  padding: 40px 30px;
  border-radius: 16px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.3s ease;

  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
}

#loginForm:hover,
#loginForm:focus-within {
  box-shadow: var(--shadow-yellow);
  transform: translateY(-6px);
}

#loginForm label {
  font-weight: 700;
  font-size: 20px;
  color: var(--amarelo);
  text-align: left;
  letter-spacing: 0.02em;
  user-select: none;
}

#loginForm input {
  padding: 12px 14px;
  border: none;
  border-radius: 8px;
  background-color: var(--cinza-claro);
  color: var(--azul);
  font-size: 18px;

  box-shadow: var(--shadow-input);

  transition: background-color 0.3s ease, outline 0.3s ease, box-shadow 0.3s ease;
}

#loginForm input::placeholder {
  color: var(--placeholder);
  opacity: 1;
}

#loginForm input:focus {
  outline: 3px solid var(--amarelo);
  background-color: var(--branco);
  box-shadow: 0 0 10px var(--amarelo);
}

#loginForm button {
  padding: 14px 0;
  background-color: var(--amarelo);
  color: var(--azul);
  font-weight: 900;
  font-size: 22px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 6px 14px rgba(255, 196, 32, 0.7);
  transition: background-color 0.3s ease, transform 0.15s ease, box-shadow 0.3s ease;
}

#loginForm button:hover,
#loginForm button:focus {
  background-color: var(--amarelo-dark);
  outline: none;
  transform: scale(1.05);
  box-shadow: 0 8px 18px rgba(255, 196, 32, 0.85);
}

#loginForm button:active {
  transform: scale(0.95);
  box-shadow: 0 4px 10px rgba(255, 196, 32, 0.7);
}

#loginMessage {
  margin-top: 20px;
  font-size: 18px;
  min-height: 24px;
  color: var(--amarelo);
}

/* Responsividade */
@media (max-width: 400px) {
  body {
    font-size: 24px;
    padding: 0 15px;
  }

  #title {
    font-size: 2rem;
    margin-bottom: 20px;
  }

  #loginForm {
    padding: 30px 20px;
  }

  #loginForm label {
    font-size: 18px;
  }

  #loginForm input {
    font-size: 16px;
  }

  #loginForm button {
    font-size: 18px;
    padding: 12px 0;
  }
}