/* === style.css para o Gerador da Quina === */
:root {
  --bg: #e8eaf6;
  --text: #1a237e;
  --card: #ffffff;
  --res: #c5cae9;
  --shadow: rgba(0, 0, 0, 0.05);
}

.dark-mode {
  --bg: #121212;
  --text: #ffffff;
  --card: #1e1e1e;
  --res: #3949ab;
  --shadow: rgba(255, 255, 255, 0.05);
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  transition: background 0.3s ease, color 0.3s ease;

  background-image: url("img/fundo-megasena.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.container {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

h1, h2 {
  text-align: center;
  color: var(--text);
}

.card {
  background-color: var(--card);
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 6px 15px var(--shadow);
}

textarea,
input {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  margin-bottom: 16px;
  font-size: 16px;
  border-radius: 8px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

button {
  padding: 12px 24px;
  font-size: 16px;
  background: linear-gradient(90deg, #3f51b5, #1a237e);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

button:hover {
  background: linear-gradient(90deg, #5c6bc0, #303f9f);
  transform: scale(1.03);
}

.resultado {
  margin-top: 15px;
  background: var(--res);
  padding: 10px;
  border-left: 4px solid #3f51b5;
  border-radius: 6px;
  white-space: pre-line;
  font-size: 16px;
  color: var(--text);
}

canvas {
  margin-top: 20px;
  background: #fff;
  border-radius: 12px;
  padding: 10px;
}

.dark-mode canvas {
  background: #2e2e2e;
}

.titulo-gerador {
  color: #fdd835; /* Amarelo escuro vibrante */
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
    background-attachment: scroll;
  }

  nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    gap: 8px;
  }

  .container {
    padding: 15px;
  }

  h1 .titulo-gerador {
    font-size: 20px;
    display: block;
    margin-bottom: 10px;
    text-align: center;
  }

  .card {
    padding: 18px;
    margin-bottom: 24px;
  }

  textarea,
  input {
    font-size: 14px;
    padding: 10px;
  }

  label {
    font-size: 14px;
  }

  button {
    font-size: 14px;
    padding: 10px 16px;
  }

  .resultado {
    font-size: 14px;
  }

  canvas {
    width: 100% !important;
    height: auto !important;
    padding: 0;
  }
}