:root {
  --bg-main: #F8FAFC;
  --primary: #1D2C3A;
  --white: #FFFFFF;
  --border: #E5E7EB;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.center {
  text-align: center;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-main);
  color: var(--primary);
  line-height: 1.6;
}

/* LOGIN PAGE CENTRÉE */
.login-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-main);
  padding: 20px;
}

.login-container {
  background-color: var(--white);
  padding: 50px 40px;
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  width: 100%;
  max-width: 600px;
  text-align: center;
}

.login-logo {
  height: 50px;
  margin-bottom: 30px;
}

.login-container h1 {
  font-size: 1.5rem;
  margin-bottom: 30px;
  color: var(--primary);
}

/* FORM */
.login-form .form-group {
  margin-bottom: 18px;
  text-align: left;
}

.login-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
}

.login-form input {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 1rem;
}

.login-form input:focus {
  outline: none;
  border-color: var(--primary);
}

/* BOUTON */
.btn-primary {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: none;
  background-color: var(--primary);
  color: var(--white);
  font-weight: 500;
  cursor: pointer;
  margin-top: 10px;
}

.btn-primary:hover {
  opacity: 0.9;
}

/* FOOTER LIENS */
.login-footer {
  margin-top: 20px;
  font-size: 0.9rem;
}

.login-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.login-footer span {
  margin: 0 8px;
  color: #9CA3AF;
}

/* ALERT */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.alert-error {
  background-color: #FEE2E2;
  color: #991B1B;
}

/* RESPONSIVE */
@media (max-width: 500px) {
  .login-container {
    padding: 40px 20px;
  }

  .login-container h1 {
    font-size: 1.5rem;
  }
}