@charset "utf-8";
/* CSS Document - Versão melhorada */

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #2c2c2c;
  color: #f0f0f0;
  line-height: 1.6;
}

.logo {
  max-width: 250px;
  margin: 40px auto;
  display: block;
  padding: 35px 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

b {
  color: #e63946; /* um vermelho mais suave e moderno */
  font-weight: 700;
}

footer {
  text-align: center;
  padding: 20px 0;
  font-size: 0.9rem;
  color: #ccc;
  border-top: 1px solid #444;
  margin-top: 40px;
}

.main {
  max-width: 960px;
  min-width: 320px;
  margin: 0 auto;
  padding-bottom: 20px;
  overflow: hidden;
}

textarea {
  width: 100%;
  max-width: 918px;
  padding: 15px 20px;
  margin-top: 20px;
  border: 2px solid #0077b6;
  border-radius: 8px;
  background-color: #1e1e1e;
  color: #eee;
  font-size: 1rem;
  resize: vertical;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
}

textarea:focus {
  border-color: #00b4d8;
  box-shadow: 0 0 8px #00b4d8;
  background-color: #121212;
}

input[type="submit"] {
  background-color: #0077b6;
  color: #fff;
  padding: 12px 25px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  float: right;
  margin: 20px 15px 0 0;
  font-weight: 600;
  font-size: 1rem;
  transition: background-color 0.3s ease;
}

input[type="submit"]:hover {
  background-color: #0096c7;
}

h3 {
  color: #fff;
  border-bottom: 3px solid #0077b6;
  margin-top: 40px;
  padding-bottom: 8px;
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 1.5rem;
}