/* --- Base Reset & Typography --- */
body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #f5f7fa 0%, #e4e9ee 100%);
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: #003366;
  color: #fff;
  text-align: center;
  padding: 1.5rem 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
  letter-spacing: 0.5px;
}

header p {
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
  opacity: 0.9;
}

/* Logo styling */
header .logo {
  display: block;
  max-width: 180px;
  margin: 0 auto 0.5rem;
  height: auto;
}

/* --- Layout --- */
main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
}

.login-box {
  background-color: #fff;
  padding: 2.5rem;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  max-width: 360px;
  width: 100%;
  box-sizing: border-box;
}

.login-box h2 {
  text-align: center;
  color: #003366;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

/* --- Form Elements --- */
label {
  display: block;
  margin-bottom: 0.5rem;
  color: #444;
  font-size: 0.95rem;
}

input[type="text"],
input[type="password"] {
  display: block;
  width: 100%;
  padding: 0.8rem 0.75rem;
  margin-bottom: 1.2rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: #0f5ea2;
  box-shadow: 0 0 4px rgba(15, 94, 162, 0.2);
  outline: none;
}

/* --- Submit Button (matches STORICO MEZZI style) --- */
input[type="submit"] {
  display: block;
  width: 100%;
  padding: 0.9rem;
  background-color: #0f5ea2; /* main Spironelli blue */
  border: none;
  color: #fff;
  text-transform: uppercase;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}

input[type="submit"]:hover {
  background-color: #0b4d86; /* darker hover shade */
  color: #fff;
}

/* --- Login Message Styles --- */
.login-message {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  text-align: center;
  box-sizing: border-box;
  display: none; /* hidden by default */
}

.login-message.harderror {
  background-color: #3f3737;
  color: #ffffff;
  border: 1px solid #121212
}

.login-message.error {
  background-color: #ffe6e6;
  color: #a10000;
  border: 1px solid #ffb3b3;
}

.login-message.success {
  background-color: #e6f5e6;
  color: #116611;
  border: 1px solid #a8d8a8;
}

/* --- Footer Links Below Form --- */
.footer-links {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.footer-links a {
  color: #0f5ea2;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #0b4d86;
  text-decoration: underline;
}

/* --- Footer --- */
footer {
  background-color: #003366;
  color: #fff;
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.9rem;
}

footer p {
  margin: 0.3rem 0;
}

footer a {
  color: #cce0ff;
  text-decoration: none;
  transition: color 0.3s;
}

footer a:hover {
  color: #fff;
  text-decoration: underline;
}

/* --- Mobile Optimization --- */
@media (max-width: 480px) {
  .login-box {
    padding: 1.5rem;
    width: 95%;
  }

  input[type="text"],
  input[type="password"],
  input[type="submit"] {
    font-size: 0.95rem;
    padding: 0.75rem;
  }

  .login-message {
    font-size: 0.85rem;
  }
}