body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}

.auth-box {
  max-width: 520px;
  background: #fff;
  margin: 40px auto;
  padding: 28px 28px 35px;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.06);
}

.auth-box h1 {
  margin-bottom: 6px;
  font-size: 2rem;
  color: #2b2b2b;
}

.auth-box p {
  margin-bottom: 12px;
}

hr {
  border: 0;
  border-top: 1px solid #eee;
  margin: 12px 0 20px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 0.95rem;
}

input[type="text"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: #83401d;
}

.terms {
  font-size: 0.8rem;
  margin-bottom: 15px;
}

.terms a {
  color: #83401d;
  text-decoration: underline;
}

.btn-main {
  width: 100%;
  border: none;
  background: #83401d;
  color: #fff;
  padding: 11px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  font-size: 1rem;
}
.btn-main:hover {
  background: #6d3313;
}

.alt {
  text-align: center;
  margin-top: 18px;
  font-size: 0.9rem;
}

.alt a {
  color: #83401d;
}

/* bouton vert (ton ancien code) */
.btn-block {
  display: block;
  width: 100%;
  background: #04AA6D;
  color: #fff;
  text-align: center;
  padding: 12px 0;
  border-radius: 4px;
  margin-top: 15px;
  text-decoration: none;
  font-weight: 500;
}
.btn-block:hover {
  background: #ddd;
  color: #000;
}