/* ===== Login Minimal Verde ===== */
body {
  font-family: 'Inter', 'Roboto', sans-serif;
  background: #f9fafb;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

/* Contenedor principal */
.contain {
  width: 380px;
  padding: 2rem;
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  text-align: center;
}

/* Título */
.ti {
  font-size: 22px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 1.5rem;
}

/* Campo de entrada */
.login-field {
  width: 100%;
  height: 40px;
  padding-left: 45px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 15px;
  color: #374151;
  margin-bottom: 1rem;
  transition: border 0.2s, box-shadow 0.2s;
}

.login-field:focus {
  border-color: #2e7d32;
  box-shadow: 0 0 0 2px rgba(46,125,50,0.2);
  outline: none;
}

/* Iconos */
.username-span, .password-span {
  position: absolute;
  width: 40px;
  height: 40px;
  background-color: #e5e7eb;
  background-repeat: no-repeat;
  background-position: center;
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
}

.username-span {
  background-image: url(../imagenes/usericon_.png);
}

.password-span {
  background-image: url(../imagenes/lock.png);
}

/* Botón principal */
.login {
  width: 100%;
  background-color: #2e7d32;
  color: #fff;
  border: none;
  padding: 0.8rem;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
  margin-top: 0.5rem;
}

.login:hover {
  background-color: #256629;
}

.login:disabled {
  background-color: #9ccc9c;
  cursor: not-allowed;
}

/* Mensaje de error */
.error {
  margin-top: 1rem;
  padding: 0.5rem;
  background-color: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fca5a5;
  border-radius: 6px;
  font-size: 14px;
  text-align: center;
}

/* Adaptación móvil */
@media screen and (max-width: 480px) {
  .contain {
    width: 95%;
    padding: 1.5rem;
  }
  .ti {
    font-size: 18px;
  }
  .login-field {
    font-size: 14px;
  }
}